Malware Analysis Report

2025-01-22 18:55

Sample ID 240307-pcckraag27
Target b8b391dfda10a19f7dee154c7b4396dd
SHA256 f43876d45e2792b4e94cc6b2ec125859ec51be4a22b8578aed2e92d073ea57c2
Tags
upx isfb gozi
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

f43876d45e2792b4e94cc6b2ec125859ec51be4a22b8578aed2e92d073ea57c2

Threat Level: Known bad

The file b8b391dfda10a19f7dee154c7b4396dd was found to be: Known bad.

Malicious Activity Summary

upx isfb gozi

Gozi family

UPX packed file

Deletes itself

Executes dropped EXE

Loads dropped DLL

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-07 12:10

Signatures

Gozi family

gozi

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

2024-03-07 12:10

Reported

2024-03-07 12:13

Platform

win7-20240221-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe

"C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe"

C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe

C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.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 104.21.20.204:80 yxeepsek.net tcp

Files

memory/2352-0-0x0000000000400000-0x000000000086A000-memory.dmp

memory/2352-1-0x0000000001A60000-0x0000000001B72000-memory.dmp

memory/2352-2-0x0000000000400000-0x00000000005F2000-memory.dmp

\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe

MD5 d212e0985bdf8a948c75ad80b54b3d1e
SHA1 a998f735e7947720aa831cd0fdaeb4d93730577b
SHA256 da82100c83b5ef0acf2076a93ab2afd7ff50132306b5a78d313f2d7b7b21198c
SHA512 49bb740ee0be891dee3249d536e0de8e08e35802366141180acf66887b424591bddc5f0ef8332ebd19cda6df12a833ecc3ea72dc0b8e953df1926bafa4945b94

memory/2352-17-0x0000000003690000-0x0000000003AFA000-memory.dmp

memory/3060-19-0x0000000001A60000-0x0000000001B72000-memory.dmp

memory/3060-21-0x0000000000400000-0x000000000086A000-memory.dmp

memory/3060-16-0x0000000000400000-0x00000000005F2000-memory.dmp

memory/2352-15-0x0000000000400000-0x00000000005F2000-memory.dmp

memory/2352-26-0x0000000003690000-0x0000000003AFA000-memory.dmp

memory/3060-27-0x0000000000400000-0x000000000086A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-07 12:10

Reported

2024-03-07 12:13

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.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\b8b391dfda10a19f7dee154c7b4396dd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe

"C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe"

C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe

C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1044 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.113.22.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
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 zipansion.com udp
US 172.67.144.180:80 zipansion.com tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 yxeepsek.net 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 8.8.8.8:53 101.194.67.172.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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 5.173.189.20.in-addr.arpa udp

Files

memory/5072-0-0x0000000000400000-0x000000000086A000-memory.dmp

memory/5072-1-0x0000000001C00000-0x0000000001D12000-memory.dmp

memory/5072-2-0x0000000000400000-0x00000000005F2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe

MD5 5bc782348ebb8207eef285f9f9d676e6
SHA1 1dd05575cb41ccda3b2876a83db2da0557b7eec6
SHA256 cdcbe0dc27da673f59c506eb68680a4b074c6ee7813956ee8f5bb0d5de832245
SHA512 05acd51976bb996a381e31904e1ad27e7eba14a61d11227a241a3f955cbba87bb754db9949f5146e878b721117b7ceb56db3827b954f8f516d7be88ba73e3744

memory/5072-14-0x0000000000400000-0x00000000005F2000-memory.dmp

memory/2120-15-0x0000000000400000-0x000000000086A000-memory.dmp

memory/2120-16-0x0000000000400000-0x00000000005F2000-memory.dmp

memory/2120-17-0x0000000001870000-0x0000000001982000-memory.dmp

memory/2120-24-0x0000000000400000-0x000000000086A000-memory.dmp