Malware Analysis Report

2025-06-16 04:51

Sample ID 240131-1m8aysdag3
Target 8527ee748c651a60d4761288a15ddddc
SHA256 9c6d7c8f084eedab1cb1cc8fca7fd8be9a36a0449be2c5d8db8079b82b17ad33
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

9c6d7c8f084eedab1cb1cc8fca7fd8be9a36a0449be2c5d8db8079b82b17ad33

Threat Level: Known bad

The file 8527ee748c651a60d4761288a15ddddc 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 21:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-31 21:47

Reported

2024-01-31 21:49

Platform

win7-20231215-en

Max time kernel

141s

Max time network

146s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8527ee748c651a60d4761288a15ddddc.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\8527ee748c651a60d4761288a15ddddc.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\8527ee748c651a60d4761288a15ddddc.dll

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

Network

Country Destination Domain Proto
IT 185.17.105.236:443 tcp
TH 118.173.233.64:443 tcp
AR 181.114.215.239:443 tcp
ES 82.159.149.37:443 tcp
PL 178.216.28.59:443 tcp
VN 113.160.132.237:443 113.160.132.237 tcp
VN 113.160.132.237:443 113.160.132.237 tcp

Files

memory/1304-0-0x0000000001F70000-0x00000000021CD000-memory.dmp

memory/1304-1-0x0000000000220000-0x0000000000260000-memory.dmp

memory/1304-2-0x0000000010000000-0x0000000010003000-memory.dmp

memory/1696-4-0x0000000000060000-0x0000000000088000-memory.dmp

memory/1696-3-0x0000000000290000-0x0000000000291000-memory.dmp

memory/1304-5-0x0000000000220000-0x0000000000260000-memory.dmp

memory/1304-6-0x0000000010000000-0x0000000010003000-memory.dmp

memory/1696-7-0x0000000000060000-0x0000000000088000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab53EC.tmp

MD5 ac05d27423a85adc1622c714f2cb6184
SHA1 b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA512 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

C:\Users\Admin\AppData\Local\Temp\TarA5B6.tmp

MD5 9c0c641c06238516f27941aa1166d427
SHA1 64cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA256 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512 936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-31 21:47

Reported

2024-01-31 21:49

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

149s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8527ee748c651a60d4761288a15ddddc.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 2964 wrote to memory of 1200 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2964 wrote to memory of 1200 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2964 wrote to memory of 1200 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1200 wrote to memory of 2304 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 1200 wrote to memory of 2304 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 1200 wrote to memory of 2304 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 1200 wrote to memory of 2304 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\8527ee748c651a60d4761288a15ddddc.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\8527ee748c651a60d4761288a15ddddc.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 1200 -ip 1200

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 632

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 205.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
IT 185.17.105.236:443 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
BR 143.0.208.20:443 tcp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
BR 45.239.234.2:443 tcp
US 8.8.8.8:53 203.178.17.96.in-addr.arpa udp
BR 177.10.90.29:443 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 189.178.17.96.in-addr.arpa udp
TH 118.173.233.64:443 tcp
ZA 41.57.156.203:443 tcp
PL 91.237.161.87:443 tcp
N/A 45.201.136.3:443 tcp

Files

memory/1200-0-0x0000000002DA0000-0x0000000002FFD000-memory.dmp

memory/1200-1-0x0000000002C70000-0x0000000002CB0000-memory.dmp

memory/1200-2-0x0000000001290000-0x0000000001291000-memory.dmp

memory/1200-3-0x0000000010000000-0x0000000010003000-memory.dmp

memory/2304-4-0x0000012CB2CC0000-0x0000012CB2CC1000-memory.dmp

memory/2304-5-0x0000012CB2A60000-0x0000012CB2A88000-memory.dmp

memory/1200-6-0x0000000002C70000-0x0000000002CB0000-memory.dmp

memory/2304-7-0x0000012CB2A60000-0x0000012CB2A88000-memory.dmp