Malware Analysis Report

2025-06-16 04:51

Sample ID 240129-skm81acee4
Target 8026fc38afee1976c4d74ce9943494ab
SHA256 30c8500aa55e5a6cc42a2675c76feff1fe6dbe8e9f99543c9ae7e97a5be1b0d9
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

30c8500aa55e5a6cc42a2675c76feff1fe6dbe8e9f99543c9ae7e97a5be1b0d9

Threat Level: Known bad

The file 8026fc38afee1976c4d74ce9943494ab 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

2024-01-29 15:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-29 15:11

Reported

2024-01-29 15:13

Platform

win7-20231129-en

Max time kernel

133s

Max time network

144s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8026fc38afee1976c4d74ce9943494ab.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\8026fc38afee1976c4d74ce9943494ab.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\8026fc38afee1976c4d74ce9943494ab.dll

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

Network

Country Destination Domain Proto
PL 178.216.28.59:443 tcp
BR 186.225.119.170:443 tcp
BR 177.10.90.29:443 tcp
KR 220.82.64.198:443 tcp
IT 185.17.105.236:443 tcp
VN 14.232.161.45:443 tcp

Files

memory/2816-1-0x0000000000210000-0x0000000000248000-memory.dmp

memory/2816-0-0x0000000000280000-0x00000000002BB000-memory.dmp

memory/2816-5-0x0000000000310000-0x0000000000349000-memory.dmp

memory/2816-8-0x0000000002430000-0x0000000002467000-memory.dmp

memory/2816-11-0x0000000002470000-0x00000000024B0000-memory.dmp

memory/2816-12-0x0000000000250000-0x0000000000253000-memory.dmp

memory/2516-13-0x0000000000110000-0x0000000000111000-memory.dmp

memory/2516-14-0x0000000000060000-0x0000000000088000-memory.dmp

memory/2816-15-0x0000000002470000-0x00000000024B0000-memory.dmp

memory/2816-16-0x0000000000250000-0x0000000000253000-memory.dmp

memory/2516-17-0x0000000000060000-0x0000000000088000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-29 15:11

Reported

2024-01-29 15:13

Platform

win10v2004-20231215-en

Max time kernel

140s

Max time network

149s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8026fc38afee1976c4d74ce9943494ab.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 2496 wrote to memory of 4288 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2496 wrote to memory of 4288 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2496 wrote to memory of 4288 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4288 wrote to memory of 2416 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 4288 wrote to memory of 2416 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 4288 wrote to memory of 2416 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 4288 wrote to memory of 2416 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\8026fc38afee1976c4d74ce9943494ab.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\8026fc38afee1976c4d74ce9943494ab.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 4288 -ip 4288

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 692

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
VN 14.232.161.45:443 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 232.135.221.88.in-addr.arpa udp
ZA 41.57.156.203:443 tcp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
KR 119.202.8.249:443 tcp
PL 91.237.161.87:443 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
BR 45.239.233.131:443 tcp
BR 45.239.234.2:443 tcp
BR 186.225.119.170:443 tcp

Files

memory/4288-0-0x0000000002A90000-0x0000000002ACB000-memory.dmp

memory/4288-3-0x0000000002910000-0x0000000002948000-memory.dmp

memory/4288-5-0x0000000002AD0000-0x0000000002B09000-memory.dmp

memory/4288-8-0x0000000002B10000-0x0000000002B47000-memory.dmp

memory/4288-11-0x0000000002B50000-0x0000000002B90000-memory.dmp

memory/4288-12-0x0000000002A70000-0x0000000002A71000-memory.dmp

memory/4288-13-0x0000000002A50000-0x0000000002A53000-memory.dmp

memory/2416-14-0x000001D62EC80000-0x000001D62EC81000-memory.dmp

memory/2416-15-0x000001D62EBB0000-0x000001D62EBD8000-memory.dmp

memory/4288-16-0x0000000002B50000-0x0000000002B90000-memory.dmp

memory/2416-17-0x000001D62EBB0000-0x000001D62EBD8000-memory.dmp