Malware Analysis Report

2025-01-22 18:57

Sample ID 240314-cjqpqsfh8y
Target c7681c22d523006d9c3add3fa41a153b
SHA256 f565b0130f788c545bc043de75979acc5265ddf4d5601d1b356c8303fdc9a684
Tags
isfb gozi
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

f565b0130f788c545bc043de75979acc5265ddf4d5601d1b356c8303fdc9a684

Threat Level: Known bad

The file c7681c22d523006d9c3add3fa41a153b was found to be: Known bad.

Malicious Activity Summary

isfb gozi

Gozi family

Loads dropped DLL

Deletes itself

Executes dropped EXE

Legitimate hosting services abused for malware hosting/C2

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-14 02:06

Signatures

Gozi family

gozi

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-14 02:06

Reported

2024-03-14 02:09

Platform

win7-20240221-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe N/A

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe

"C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe"

C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe

C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe

C:\Windows\SysWOW64\schtasks.exe

schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe" /TN Google_Trk_Updater /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.HzbtjFIOOp.com udp
US 8.8.8.8:53 w.google.com udp
NL 142.250.179.206:80 w.google.com tcp
US 8.8.8.8:53 pastebin.com udp
US 104.20.67.143:80 pastebin.com tcp
US 104.20.67.143:443 pastebin.com tcp

Files

memory/2940-0-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2940-2-0x00000000014C0000-0x0000000001577000-memory.dmp

memory/2940-1-0x0000000000400000-0x0000000000466000-memory.dmp

\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe

MD5 b643d3b6a0c70c705c4d18894ecab9fa
SHA1 4528670056799b7e943023446d53d9d0ad9adaf3
SHA256 43d056355c43d6de879174a2e84a79e5d7ecb5f5052fadfc4858b82d02f53d82
SHA512 89f2b2c0dded15241266fd84d2f1b7e24da2b17cdffab2c7a1bb98ac10b371f42afd74452da4048aece7529a8a89b3db1b2a6dbfbbc70bf1e49355d38fc7d777

memory/2940-15-0x0000000002E20000-0x0000000002ED7000-memory.dmp

memory/3060-18-0x00000000002C0000-0x0000000000377000-memory.dmp

memory/2940-14-0x0000000000400000-0x0000000000466000-memory.dmp

memory/3060-21-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/3060-17-0x0000000000400000-0x0000000000466000-memory.dmp

memory/3060-24-0x0000000000400000-0x000000000045B000-memory.dmp

memory/3060-29-0x0000000000380000-0x00000000003E6000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

MD5 753df6889fd7410a2e9fe333da83a429
SHA1 3c425f16e8267186061dd48ac1c77c122962456e
SHA256 b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78
SHA512 9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

C:\Users\Admin\AppData\Local\Temp\Tar2063.tmp

MD5 dd73cead4b93366cf3465c8cd32e2796
SHA1 74546226dfe9ceb8184651e920d1dbfb432b314e
SHA256 a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22
SHA512 ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-14 02:06

Reported

2024-03-14 02:09

Platform

win10v2004-20231215-en

Max time kernel

90s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe N/A

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe

"C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe"

C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe

C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe

C:\Windows\SysWOW64\schtasks.exe

schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe" /TN Google_Trk_Updater /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 www.3Qjowp4yZi.com udp
US 8.8.8.8:53 w.google.com udp
NL 142.250.179.206:80 w.google.com tcp
US 8.8.8.8:53 pastebin.com udp
US 104.20.68.143:80 pastebin.com tcp
US 8.8.8.8:53 206.179.250.142.in-addr.arpa udp
US 104.20.68.143:443 pastebin.com tcp
US 8.8.8.8:53 143.68.20.104.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/5088-0-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/5088-2-0x0000000000400000-0x0000000000466000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\c7681c22d523006d9c3add3fa41a153b.exe

MD5 c6a63710f0f67cd9673a2e7b48671555
SHA1 1b2759d1edefe04321530d99d6cb00ef9bb723b5
SHA256 d42f6c997589fce692c6c43028f39169022a9684ae3c2e17d9df76983f869aa1
SHA512 792dec72c9f793e4b88881c6c119e98f36d384ecdad0c73794f142dcd075f388c0a8695042d1f7f1f735d458500c5d3c7b6313dd4630212d6a6210a4f0d48c8f

memory/5088-11-0x0000000000400000-0x0000000000466000-memory.dmp

memory/1928-20-0x00000000016A0000-0x0000000001706000-memory.dmp

memory/1928-21-0x0000000000400000-0x000000000045B000-memory.dmp

memory/1928-16-0x00000000014C0000-0x0000000001577000-memory.dmp

memory/1928-14-0x0000000000400000-0x0000000000466000-memory.dmp

memory/1928-13-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/5088-1-0x0000000001650000-0x0000000001707000-memory.dmp