Malware Analysis Report

2025-06-16 04:51

Sample ID 240202-ec9kdafdfq
Target 88791b1ba039dd5841015cd08799ed3d
SHA256 3d79223bb6c2312eac6e0902d3c295a557b12e5f814fbe9478e177fa585318af
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

3d79223bb6c2312eac6e0902d3c295a557b12e5f814fbe9478e177fa585318af

Threat Level: Known bad

The file 88791b1ba039dd5841015cd08799ed3d was found to be: Known bad.

Malicious Activity Summary

trickbot zev4 banker trojan

Trickbot

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-02 03:48

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-02 03:48

Reported

2024-02-02 03:51

Platform

win7-20231215-en

Max time kernel

148s

Max time network

149s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\88791b1ba039dd5841015cd08799ed3d.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\88791b1ba039dd5841015cd08799ed3d.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\88791b1ba039dd5841015cd08799ed3d.dll

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

Network

Country Destination Domain Proto
ES 82.159.149.37:443 tcp
BR 177.10.90.29:443 tcp
IT 185.17.105.236:443 tcp
BR 200.236.218.62:443 tcp
VN 14.232.161.45:443 tcp
BR 45.239.234.2:443 tcp
BR 186.225.119.170:443 tcp

Files

memory/2312-1-0x00000000001D0000-0x000000000020F000-memory.dmp

memory/2312-0-0x00000000001D0000-0x000000000020F000-memory.dmp

memory/2312-2-0x0000000010000000-0x0000000010003000-memory.dmp

memory/2304-3-0x0000000000110000-0x0000000000111000-memory.dmp

memory/2304-4-0x0000000000060000-0x0000000000088000-memory.dmp

memory/2312-5-0x00000000001D0000-0x000000000020F000-memory.dmp

memory/2304-7-0x0000000000060000-0x0000000000088000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-02 03:48

Reported

2024-02-02 03:51

Platform

win10v2004-20231222-en

Max time kernel

141s

Max time network

150s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\88791b1ba039dd5841015cd08799ed3d.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 3572 wrote to memory of 1896 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3572 wrote to memory of 1896 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3572 wrote to memory of 1896 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1896 wrote to memory of 4840 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 1896 wrote to memory of 4840 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 1896 wrote to memory of 4840 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 1896 wrote to memory of 4840 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\88791b1ba039dd5841015cd08799ed3d.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\88791b1ba039dd5841015cd08799ed3d.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 1896 -ip 1896

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 648

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
ID 222.124.16.74:443 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
ES 82.159.149.37:443 tcp
TR 185.189.55.207:443 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
IT 185.17.105.236:443 tcp
ZA 105.30.26.50:443 tcp
PL 178.216.28.59:443 tcp

Files

memory/1896-0-0x0000000002300000-0x000000000233F000-memory.dmp

memory/1896-1-0x0000000002300000-0x000000000233F000-memory.dmp

memory/1896-3-0x0000000010000000-0x0000000010003000-memory.dmp

memory/1896-2-0x0000000002360000-0x0000000002361000-memory.dmp

memory/4840-5-0x0000020E26E70000-0x0000020E26E98000-memory.dmp

memory/4840-4-0x0000020E26FD0000-0x0000020E26FD1000-memory.dmp

memory/1896-6-0x0000000002300000-0x000000000233F000-memory.dmp

memory/4840-7-0x0000020E26E70000-0x0000020E26E98000-memory.dmp