Malware Analysis Report

2025-01-22 18:56

Sample ID 240307-yby7sscb33
Target b97eb20d9cd4df21c713866e51e2aff3
SHA256 1015ea42f955bb7d199d166800a1831ffda77e2bf81535880fef0cb2f877e614
Tags
upx gozi banker isfb trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

1015ea42f955bb7d199d166800a1831ffda77e2bf81535880fef0cb2f877e614

Threat Level: Known bad

The file b97eb20d9cd4df21c713866e51e2aff3 was found to be: Known bad.

Malicious Activity Summary

upx gozi banker isfb trojan

Gozi

Executes dropped EXE

Loads dropped DLL

Deletes itself

UPX packed file

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-07 19:37

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: behavioral2

Detonation Overview

Submitted

2024-03-07 19:37

Reported

2024-03-07 19:39

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.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\b97eb20d9cd4df21c713866e51e2aff3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe

"C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe"

C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe

C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 5.179.17.96.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 g.bing.com udp
US 8.8.8.8:53 yxeepsek.net udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.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 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 101.194.67.172.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 195.177.78.104.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 32.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 162.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 37.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 8.8.8.8:53 16.173.189.20.in-addr.arpa udp

Files

memory/4408-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4408-1-0x0000000001D20000-0x0000000001E53000-memory.dmp

memory/4408-2-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe

MD5 ef7e7c98a686fa07fb27511b4ec3ba59
SHA1 6f1c5b2a1fcd33100fca95a311793ce3d8a21ddb
SHA256 220b0fa0b7c792d21442a2766bb0a608735dbd61e3659f76d65a173802d42c20
SHA512 c63b7155f1d54ebb01094503a6c4119a57971517b2b790a56c7cd78e1d1e09fa46860d5fa06d202bfddaefd4afee6b2f4b5af6472cdac9a57436f92e970a1086

memory/4408-13-0x0000000000400000-0x000000000062A000-memory.dmp

memory/4548-12-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4548-15-0x0000000001C50000-0x0000000001D83000-memory.dmp

memory/4548-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/4548-20-0x0000000005550000-0x000000000577A000-memory.dmp

memory/4548-21-0x0000000000400000-0x000000000061D000-memory.dmp

memory/4548-28-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-07 19:37

Reported

2024-03-07 19:40

Platform

win7-20240221-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.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\b97eb20d9cd4df21c713866e51e2aff3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe

"C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe"

C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe

C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 zipansion.com udp
US 104.21.73.114:80 zipansion.com tcp
US 8.8.8.8:53 yxeepsek.net udp
US 172.67.194.101:80 yxeepsek.net tcp

Files

memory/2020-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2020-1-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2020-2-0x00000000002B0000-0x00000000003E3000-memory.dmp

\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe

MD5 f83615516a5c73204990df4c89f41e65
SHA1 4551d61fef4624dff2354e93d7c04197a6525610
SHA256 beae2075ba55d1a86e23993263ba70578cd5425e6831697546724894ed98e547
SHA512 60d642e0d97810dcad47daf686de3e775df26a3a3bf3a8e5696803af9613885601e4eb9a12de088eb90d9974d5c513e94c389fbcf198a653c67c65e989f10e83

C:\Users\Admin\AppData\Local\Temp\b97eb20d9cd4df21c713866e51e2aff3.exe

MD5 063c0fe230eabbdfab4e6a79e7e2434d
SHA1 585edab5682f0ba59df75fe6cfcc67844cb57ae9
SHA256 b797257e984d515b51fd691323f68cce97bb246b55aa92d383214c8bd74becac
SHA512 bdc907753ec507cbc34bcd186c6ceb4383709b9786996f2ffdd1fcf684bc0aaf94ee87675ee08ad01d3de827fef03447fecc64d9e9ba3239282f35892ca94387

memory/2580-14-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2580-16-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/2580-15-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2580-21-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2580-23-0x0000000003410000-0x000000000363A000-memory.dmp

memory/2020-29-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2580-30-0x0000000000400000-0x00000000008EF000-memory.dmp