Malware Analysis Report

2025-06-16 04:51

Sample ID 240202-mej2hadgdk
Target 8944272cf3ee1ab3793436585535d9a7
SHA256 64a5d956da147c3089ca22da5e2a974e62b0977fd09a24c8a310f3a6ab12f9b4
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

64a5d956da147c3089ca22da5e2a974e62b0977fd09a24c8a310f3a6ab12f9b4

Threat Level: Known bad

The file 8944272cf3ee1ab3793436585535d9a7 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

2024-02-02 10:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-02 10:22

Reported

2024-02-02 10:25

Platform

win7-20231215-en

Max time kernel

148s

Max time network

148s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8944272cf3ee1ab3793436585535d9a7.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\8944272cf3ee1ab3793436585535d9a7.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\8944272cf3ee1ab3793436585535d9a7.dll

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

Network

Country Destination Domain Proto
TH 118.173.233.64:443 tcp
IT 185.17.105.236:443 tcp
TR 185.189.55.207:443 tcp
KR 220.82.64.198:443 tcp
ZA 41.57.156.203:443 tcp
BR 177.10.90.29:443 tcp
KH 45.201.136.3:443 tcp

Files

memory/1880-0-0x00000000003B0000-0x00000000003EF000-memory.dmp

memory/1880-1-0x00000000003B0000-0x00000000003EF000-memory.dmp

memory/1880-2-0x0000000010000000-0x0000000010003000-memory.dmp

memory/2828-4-0x0000000000060000-0x0000000000088000-memory.dmp

memory/2828-3-0x0000000000110000-0x0000000000111000-memory.dmp

memory/1880-5-0x00000000003B0000-0x00000000003EF000-memory.dmp

memory/1880-6-0x0000000010000000-0x0000000010003000-memory.dmp

memory/2828-7-0x0000000000060000-0x0000000000088000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-02 10:22

Reported

2024-02-02 10:25

Platform

win10v2004-20231222-en

Max time kernel

128s

Max time network

150s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8944272cf3ee1ab3793436585535d9a7.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 1032 wrote to memory of 1840 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1032 wrote to memory of 1840 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1032 wrote to memory of 1840 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1840 wrote to memory of 4012 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 1840 wrote to memory of 4012 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 1840 wrote to memory of 4012 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 1840 wrote to memory of 4012 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\8944272cf3ee1ab3793436585535d9a7.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\8944272cf3ee1ab3793436585535d9a7.dll

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1840 -ip 1840

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 648

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 189.178.17.96.in-addr.arpa udp
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 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
BR 186.225.119.170:443 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
KR 220.82.64.198:443 tcp
US 8.8.8.8:53 211.238.32.23.in-addr.arpa udp
BR 45.239.234.2:443 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
TH 118.173.233.64:443 tcp
KR 119.202.8.249:443 tcp
ES 82.159.149.37:443 tcp

Files

memory/1840-0-0x0000000002C40000-0x0000000002C7F000-memory.dmp

memory/1840-1-0x0000000002C40000-0x0000000002C7F000-memory.dmp

memory/1840-2-0x0000000001350000-0x0000000001351000-memory.dmp

memory/1840-3-0x0000000010000000-0x0000000010003000-memory.dmp

memory/4012-4-0x000001BDF13C0000-0x000001BDF13C1000-memory.dmp

memory/4012-5-0x000001BDF1220000-0x000001BDF1248000-memory.dmp

memory/1840-6-0x0000000002C40000-0x0000000002C7F000-memory.dmp

memory/4012-7-0x000001BDF1220000-0x000001BDF1248000-memory.dmp