Malware Analysis Report

2025-06-16 04:51

Sample ID 240131-2ckbtafdfq
Target 85376e93d5087ae269d49e1097638468
SHA256 030b5440c89d6890d1e2a12f2643ee1b83c87bf87a4f5583d3d264f3333849c6
Tags
trickbot zev4 banker 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

030b5440c89d6890d1e2a12f2643ee1b83c87bf87a4f5583d3d264f3333849c6

Threat Level: Known bad

The file 85376e93d5087ae269d49e1097638468 was found to be: Known bad.

Malicious Activity Summary

trickbot zev4 banker trojan

Trickbot

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-31 22:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-31 22:26

Reported

2024-01-31 22:28

Platform

win7-20231215-en

Max time kernel

147s

Max time network

152s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\85376e93d5087ae269d49e1097638468.dll

Signatures

Trickbot

trojan banker trickbot

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\system32\wermgr.exe N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\85376e93d5087ae269d49e1097638468.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\85376e93d5087ae269d49e1097638468.dll

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

Network

Country Destination Domain Proto
PL 91.237.161.87:443 tcp
BR 200.236.218.62:443 tcp
TR 185.189.55.207:443 tcp
BR 186.225.119.170:443 tcp
BR 45.239.233.131:443 tcp
KH 45.201.136.3:443 tcp
VN 14.232.161.45:443 tcp
IT 185.17.105.236:443 tcp

Files

memory/3056-0-0x0000000000950000-0x0000000000987000-memory.dmp

memory/3056-3-0x00000000003D0000-0x0000000000404000-memory.dmp

memory/3056-5-0x0000000001EB0000-0x0000000001EF0000-memory.dmp

memory/3056-6-0x0000000010000000-0x0000000010003000-memory.dmp

memory/1784-7-0x0000000000110000-0x0000000000111000-memory.dmp

memory/1784-8-0x0000000000060000-0x0000000000088000-memory.dmp

memory/3056-9-0x0000000001EB0000-0x0000000001EF0000-memory.dmp

memory/3056-10-0x0000000010000000-0x0000000010003000-memory.dmp

memory/1784-11-0x0000000000060000-0x0000000000088000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-31 22:26

Reported

2024-01-31 22:28

Platform

win10v2004-20231215-en

Max time kernel

128s

Max time network

144s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\85376e93d5087ae269d49e1097638468.dll

Signatures

Trickbot

trojan banker trickbot

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\regsvr32.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\system32\wermgr.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2284 wrote to memory of 1228 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2284 wrote to memory of 1228 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2284 wrote to memory of 1228 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1228 wrote to memory of 5004 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 1228 wrote to memory of 5004 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 1228 wrote to memory of 5004 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 1228 wrote to memory of 5004 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\85376e93d5087ae269d49e1097638468.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\85376e93d5087ae269d49e1097638468.dll

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1228 -ip 1228

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1228 -s 708

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 177.178.17.96.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
KH 45.201.136.3:443 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 105.135.221.88.in-addr.arpa udp
ZA 41.57.156.203:443 tcp
US 8.8.8.8:53 57.110.18.2.in-addr.arpa udp
US 8.8.8.8:53 204.178.17.96.in-addr.arpa udp
BR 177.10.90.29:443 tcp
IT 185.17.105.236:443 tcp
US 8.8.8.8:53 200.178.17.96.in-addr.arpa udp
BR 200.236.218.62:443 tcp
TH 118.173.233.64:443 tcp
KR 119.202.8.249:443 tcp

Files

memory/1228-0-0x0000000002170000-0x00000000021A7000-memory.dmp

memory/1228-4-0x0000000002080000-0x00000000020B4000-memory.dmp

memory/1228-5-0x00000000021B0000-0x00000000021F0000-memory.dmp

memory/1228-6-0x00000000021F0000-0x00000000021F1000-memory.dmp

memory/1228-7-0x0000000010000000-0x0000000010003000-memory.dmp

memory/5004-8-0x0000028E1BC00000-0x0000028E1BC01000-memory.dmp

memory/5004-9-0x0000028E1BAA0000-0x0000028E1BAC8000-memory.dmp

memory/1228-10-0x00000000020F0000-0x000000000216A000-memory.dmp

memory/1228-11-0x00000000021B0000-0x00000000021F0000-memory.dmp

memory/5004-12-0x0000028E1BAA0000-0x0000028E1BAC8000-memory.dmp