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lss.exe

The executable lss.exe has been detected as malware by 36 anti-virus scanners. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘f674606c373688130d0d5c80cb323a1d’. The file has been seen being downloaded from www.filetolink.com and multiple other hosts.
MD5:
2967663e2f57fc2a945978986e8be1c3

SHA-1:
8f7a11dacfa1577e27889c946b0a8f22ef816b53

SHA-256:
f647a643d032155981319ef261c1f8da2721eb5280bc9d916e4ce5d41f7b22f2

Scanner detections:
36 / 68

Status:
Malware

Analysis date:
11/28/2024 1:45:55 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Barys.10219
5699743

AhnLab V3 Security
Backdoor/Win32.Bladabindi
2015.07.01

Avira AntiVirus
TR/Dropper.Gen7
8.3.1.6

Arcabit
Trojan.Barys.D27EB
1.0.0.425

avast!
MSIL:GenMalicious-V [Trj]
150602-1

AVG
PSW.ILUSpy
2016.0.3062

Baidu Antivirus
Trojan.MSIL.Disfa
4.0.3.15630

Bitdefender
Gen:Variant.Barys.10219
1.0.20.905

Clam AntiVirus
Win.Backdoor.Bladabindi-1
0.98/20624

Comodo Security
Backdoor.MSIL.Bladabindi.A
22631

Dr.Web
BackDoor.Bladabindi.1056
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Barys.10219
10.0.0.5366

ESET NOD32
MSIL/Bladabindi.BC trojan
7.0.302.0

Fortinet FortiGate
MSIL/Bladabindi.SMC!tr
6/30/2015

F-Prot
W32/MSIL_Bladabindi.I2.ge
v6.4.7.1.166

F-Secure
Gen:Variant.Barys.10219
5.14.151

G Data
Gen:Variant.Barys.10219
15.6.25

IKARUS anti.virus
Trojan.MSIL.Disfa
t3scan.1.9.5.0

K7 AntiVirus
Trojan
13.205.16415

Kaspersky
Trojan.MSIL.Disfa
15.0.0.543

Malwarebytes
Backdoor.NJBot.MSIL
v2015.06.30.06

McAfee
Trojan.BackDoor-NJRat!2967663E2F57
17.6.569.0

Microsoft Security Essentials
Threat.Undefined
1.201.130.0

MicroWorld eScan
Gen:Variant.Barys.10219
16.0.0.543

Norman
Gen:Variant.Barys.10219
02.06.2015 14:23:46

nProtect
Trojan/W32.Agent.24064.TY
15.06.30.01

Panda Antivirus
Trj/CI.A
15.06.30.06

Quick Heal
Backdoor.Bladabindi.AL3
6.15.14.00

Sophos
Virus 'Troj/DotNet-P'
5.15

SUPERAntiSpyware
Trojan.Agent/Gen-Bladabindi
9781

Total Defense
Win32/DotNetDl.A!generic
37.1.62.1

Trend Micro House Call
BKDR_BLBINDI.SMN
7.2.181

Trend Micro
BKDR_BLBINDI.SMN
10.465.30

Vba32 AntiVirus
Trojan.MSIL.Disfa
3.12.26.4

VIPRE Antivirus
Threat.4799966
40830

Zillya! Antivirus
Backdoor.Agent.Win32.55233
2.0.0.2259

File size:
23.5 KB (24,064 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\roaming\lss.exe

File PE Metadata
Compilation timestamp:
6/23/2015 7:37:04 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
384:rc6CqbFYh3odrVCGiHssCB4b6i6fgpEupNXRmRvR6JZlbw8hqIusZzZ52:wIU0twcRpcnu7

Entry address:
0x749E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
5.5302

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
21.5 KB (22,016 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
f674606c373688130d0d5c80cb323a1d

Command:
"C:\users\{user}\appdata\roaming\lss.exe"..


The file lss.exe has been seen being distributed by the following 2 URLs.

http://www.filetolink.com/.../?h=05273e1321a0ddec5133ccff78142870&t=1467749397&f=46d06f9df0

http://www.filetolink.com/.../?h=9c7c7b8e7874f80bef4f56f4605bc82f&t=1467818648&f=3052cac98c

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