psemu3.exe

The executable psemu3.exe has been detected as malware by 16 anti-virus scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from 1drv.ms and multiple other hosts. While running, it connects to the Internet address server-54-230-11-150.lhr3.r.cloudfront.net on port 80 using the HTTP protocol.
MD5:
566308d6ea424e35f7ad74eb16b6c559

SHA-1:
e7ef56124a4a1e5236ce71d2076dc98c3973e78c

SHA-256:
84f48ccce0b53e39c666dc1043db4c3a2e9c1a000b3d02547a244d09d9b5416b

Scanner detections:
16 / 68

Status:
Malware

Analysis date:
11/23/2024 10:00:47 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Generic.749632
864

Baidu Antivirus
Trojan.MSIL.Agent
4.0.3.14923

Bitdefender
Application.Generic.749632
1.0.20.1330

Comodo Security
UnclassifiedMalware
19599

ESET NOD32
Win32/Somoto
8.10454

F-Secure
Application.Generic.749632
11.2014-23-09_3

G Data
Application.Generic.749632
14.9.24

Kaspersky
HEUR:Trojan.Win32.Generic
14.0.0.3206

McAfee
Artemis!566308D6EA42
5600.6998

MicroWorld eScan
Application.Generic.749632
15.0.0.798

Norman
Suspicious_Gen4.GZASJ
11.20140923

Qihoo 360 Security
Win32/Trojan.e6d
1.0.0.1015

Quick Heal
Trojan.Generic.g5
9.14.14.00

Rising Antivirus
PE:Trojan.Win32.Generic.17433B4A!390282058
23.00.65.14921

Sophos
Generic PUA HF
4.98

Trend Micro House Call
Suspicious_GEN.F47V0905
7.2.266

File size:
4.7 MB (4,887,930 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\psemu3.exe

File PE Metadata
Compilation timestamp:
12/25/2013 6:01:41 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:FUbtoZoYG6CYn3cd23d1vPD2YfcmnAwQZq+6b/Ho0G0+yhtVxA55En0S9Ww:PKT6JnJvrrcmnAAzL+K25JS9Ww

Entry address:
0x30E4

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 90, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, 1C, 71, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 08, A3, 58, E4, 42, 00, E8, 95, 2D, 00, 00, A3, A4, E3, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, E0, 87, 42, 00, FF, 15, 64, 71, 40, 00, 68, 80, 91, 40, 00, 68, A0, DB, 42, 00, E8, 3F, 2A, 00, 00, FF, 15, 20, 71, 40, 00, BD, 00, 40, 43, 00, 50, 55, E8, 2D, 2A...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file psemu3.exe has been seen being distributed by the following 14 URLs.

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to server-54-230-11-150.lhr3.r.cloudfront.net  (54.230.11.150:80)

TCP (HTTP):
Connects to server-54-230-11-115.lhr3.r.cloudfront.net  (54.230.11.115:80)

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