Malware Analysis Report

2025-06-16 04:51

Sample ID 240201-w23lsseagn
Target 87936f0b8f079c7f722ab91029cc3f8a
SHA256 a1dd74d7301bf8d504449071142c81113bcd4d0c88fee46e7bacf550495a72bc
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

a1dd74d7301bf8d504449071142c81113bcd4d0c88fee46e7bacf550495a72bc

Threat Level: Known bad

The file 87936f0b8f079c7f722ab91029cc3f8a was found to be: Known bad.

Malicious Activity Summary

trickbot zev4 banker trojan

Trickbot

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-01 18:25

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-01 18:25

Reported

2024-02-01 18:28

Platform

win7-20231215-en

Max time kernel

147s

Max time network

154s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\87936f0b8f079c7f722ab91029cc3f8a.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\87936f0b8f079c7f722ab91029cc3f8a.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\87936f0b8f079c7f722ab91029cc3f8a.dll

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

Network

Country Destination Domain Proto
VN 14.232.161.45:443 tcp
PL 91.237.161.87:443 tcp
IN 103.122.228.44:443 tcp
BR 177.10.90.29:443 tcp
BR 200.236.218.62:443 tcp
TR 185.189.55.207:443 tcp
IT 185.17.105.236:443 tcp
BR 143.0.208.20:443 tcp

Files

memory/2208-0-0x00000000020D0000-0x000000000232D000-memory.dmp

memory/2208-1-0x00000000001D0000-0x0000000000210000-memory.dmp

memory/2208-2-0x0000000010000000-0x0000000010003000-memory.dmp

memory/2060-4-0x00000000000A0000-0x00000000000A1000-memory.dmp

memory/2060-3-0x0000000000060000-0x0000000000088000-memory.dmp

memory/2208-5-0x00000000001D0000-0x0000000000210000-memory.dmp

memory/2208-6-0x0000000010000000-0x0000000010003000-memory.dmp

memory/2060-7-0x0000000000060000-0x0000000000088000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-01 18:25

Reported

2024-02-01 18:28

Platform

win10v2004-20231222-en

Max time kernel

135s

Max time network

144s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\87936f0b8f079c7f722ab91029cc3f8a.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 3808 wrote to memory of 3412 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3808 wrote to memory of 3412 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3808 wrote to memory of 3412 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3412 wrote to memory of 4940 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 3412 wrote to memory of 4940 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 3412 wrote to memory of 4940 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 3412 wrote to memory of 4940 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\87936f0b8f079c7f722ab91029cc3f8a.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\87936f0b8f079c7f722ab91029cc3f8a.dll

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3412 -ip 3412

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 632

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 211.178.17.96.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
ZA 41.57.156.203:443 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 16.160.77.104.in-addr.arpa udp
BR 45.239.234.2:443 tcp
US 8.8.8.8:53 193.178.17.96.in-addr.arpa udp
TR 185.189.55.207:443 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
TH 118.173.233.64:443 tcp
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
PL 91.237.161.87:443 tcp
BR 177.10.90.29:443 tcp
BR 200.236.218.62:443 tcp
VN 14.232.161.45:443 tcp

Files

memory/3412-0-0x0000000002CA0000-0x0000000002EFD000-memory.dmp

memory/3412-1-0x0000000002BE0000-0x0000000002C20000-memory.dmp

memory/3412-2-0x00000000012E0000-0x00000000012E1000-memory.dmp

memory/3412-3-0x0000000010000000-0x0000000010003000-memory.dmp

memory/4940-4-0x000002247BFF0000-0x000002247BFF1000-memory.dmp

memory/4940-5-0x000002247BD40000-0x000002247BD68000-memory.dmp

memory/3412-6-0x0000000002BE0000-0x0000000002C20000-memory.dmp

memory/4940-7-0x000002247BD40000-0x000002247BD68000-memory.dmp