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flash_upgrade.exe

OLX

The application flash_upgrade.exe by OLX has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from bit.do.
Publisher:
OLX  (signed and verified)

MD5:
edfc128b12e42b64cad35b5a280e618d

SHA-1:
32bf6912b47252c8413c1ca0fe160e8d7d8c24ff

SHA-256:
2a528301dc7b54baefc8b8a330bd96f3f8e690c08f5b9cec4130c01a23a2f5c7

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/8/2025 8:57:55 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OLX (M)
16.3.30.8

File size:
377.4 KB (386,488 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
OLX

Authority:
OLX

Valid from:
10/15/2015 6:07:49 PM

Valid to:
10/15/2016 6:07:49 PM

Subject:
CN=www.olx.pt, O=OLX, L=Lisboa, S=Lisboa, C=PY

Issuer:
CN=www.olx.pt, O=OLX, L=Lisboa, S=Lisboa, C=PY

Serial number:
00CF6272F99AFC8D4B

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
6144:6VEYukJljx05qTwkWqlzB8uGpVv2g/qzhqw7g8RlGxk9EWLdwL0JrDukUN6:aLukC5tqlquOVeg/qf/G+9EgQYNUI

Entry address:
0x106650

Entry point:
60, BE, 00, A0, 4A, 00, 8D, BE, 00, 70, F5, FF, C7, 87, C4, 70, 0D, 00, D7, 05, CA, 81, 57, 83, CD, FF, EB, 0E, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46...
 
[+]

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.22 (Delphi) stub

Code size:
372 KB (380,928 bytes)

The file flash_upgrade.exe has been seen being distributed by the following URL.

http://bit.do/bTgYV

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