Malware Analysis Report

2025-01-22 18:53

Sample ID 240309-rx7mqsag41
Target bc0d9b263316bb636f51b2776ed8d4a3
SHA256 1914124098ae620392080dc81fb97fe6025734316d772c3bab624703259176fa
Tags
upx gozi banker isfb trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

1914124098ae620392080dc81fb97fe6025734316d772c3bab624703259176fa

Threat Level: Known bad

The file bc0d9b263316bb636f51b2776ed8d4a3 was found to be: Known bad.

Malicious Activity Summary

upx gozi banker isfb trojan

Gozi

Executes dropped EXE

UPX packed file

Loads dropped DLL

Deletes itself

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-09 14:35

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-09 14:35

Reported

2024-03-09 14:38

Platform

win7-20240221-en

Max time kernel

120s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe

"C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe"

C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe

C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 zipansion.com udp
US 172.67.144.180:80 zipansion.com tcp
US 8.8.8.8:53 yxeepsek.net udp
US 172.67.194.101:80 yxeepsek.net tcp

Files

memory/2172-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2172-2-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/2172-1-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2172-15-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2172-14-0x0000000003770000-0x0000000003C5F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe

MD5 6a33bf4334ad13560eb8dd64cd1206cf
SHA1 18c10b82257f401357cce02984dd3008b2e40766
SHA256 c2f5e06651357ec4650db0174f21832354d9e1c8c9c0a688cda69dd5fc2e7638
SHA512 53a3f9d85b9ed6a65e6f64dc1c15f8bc1ae1afe053964c1201bca1ed5f49158f532cca9e233219ff3379c80d3135292c8a69124ed59de4bd64dbb75c230cba03

memory/2248-16-0x0000000000400000-0x00000000008EF000-memory.dmp

\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe

MD5 7b649e4306f6e09ef85ef828dfaf1396
SHA1 68c341799cacb391163ff19a8d32fa5b587da729
SHA256 22da68af9f5f854a7672bbf6c58cb3c789fdd90b6c65de4351f953459fdb1adb
SHA512 fc1fe43b4ceb87fc92db479c661d89169a3ff82c17642d514d92586cbafd5a4daaaf7b4c0364ca151b9b07a229cb8009a327a73da731a126371a473fd3394a1b

memory/2248-18-0x0000000000250000-0x0000000000383000-memory.dmp

memory/2248-17-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2248-24-0x00000000034E0000-0x000000000370A000-memory.dmp

memory/2248-23-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2248-31-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-09 14:35

Reported

2024-03-09 14:38

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe

"C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe"

C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe

C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 zipansion.com udp
US 172.67.144.180:80 zipansion.com tcp
US 8.8.8.8:53 yxeepsek.net udp
US 8.8.8.8:53 203.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 180.144.67.172.in-addr.arpa udp
US 172.67.194.101:80 yxeepsek.net tcp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 101.194.67.172.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 183.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 189.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 88.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 193.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 195.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 185.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 169.253.116.51.in-addr.arpa udp

Files

memory/4676-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4676-1-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/4676-2-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\bc0d9b263316bb636f51b2776ed8d4a3.exe

MD5 4ffe118d19c33f93efb11dbb77b1af44
SHA1 aeb5987deffeda4faa35d08b387adcfed9b43688
SHA256 575394caae039c1b4309c9d03f04a47b04a904f5551d13b7bc6154b5e2119147
SHA512 5c0f0c8baca9fab177279dde546bd3b6da56ec67216f0df38bcc24e8316240a705b4379b442e0dd73b29102833ff6081732870f70549b1dfc829f98545e2094e

memory/964-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/964-13-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/964-12-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/964-19-0x0000000000400000-0x000000000061D000-memory.dmp

memory/964-20-0x0000000005570000-0x000000000579A000-memory.dmp

memory/4676-27-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/964-28-0x0000000000400000-0x00000000008EF000-memory.dmp