Malware Analysis Report

2024-10-23 15:27

Sample ID 240831-nl7a2s1cpr
Target 4a7e039895decf1356ece29ac8449ba23e70e9d0ed8c95ef892c416b513d2277
SHA256 4a7e039895decf1356ece29ac8449ba23e70e9d0ed8c95ef892c416b513d2277
Tags
trickbot lib166 banker discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

4a7e039895decf1356ece29ac8449ba23e70e9d0ed8c95ef892c416b513d2277

Threat Level: Known bad

The file 4a7e039895decf1356ece29ac8449ba23e70e9d0ed8c95ef892c416b513d2277 was found to be: Known bad.

Malicious Activity Summary

trickbot lib166 banker discovery trojan

Trickbot

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-31 11:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 11:30

Reported

2024-08-31 11:32

Platform

win7-20240704-en

Max time kernel

131s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe"

Signatures

Trickbot

trojan banker trickbot

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe N/A

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 2560 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe C:\Windows\system32\wermgr.exe
PID 2560 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe C:\Windows\system32\wermgr.exe
PID 2560 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe C:\Windows\system32\wermgr.exe
PID 2560 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe C:\Windows\system32\wermgr.exe
PID 2560 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe C:\Windows\system32\cmd.exe
PID 2560 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe C:\Windows\system32\cmd.exe
PID 2560 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe C:\Windows\system32\cmd.exe
PID 2560 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe C:\Windows\system32\cmd.exe
PID 2560 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe C:\Windows\system32\wermgr.exe
PID 2560 wrote to memory of 1928 N/A C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe C:\Windows\system32\wermgr.exe

Processes

C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe

"C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe"

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe

Network

Country Destination Domain Proto
ID 36.91.117.231:443 tcp
IN 103.47.170.131:443 tcp
KH 103.9.188.78:443 tcp
KH 103.9.188.78:443 tcp
KH 103.9.188.78:443 tcp
TW 122.117.90.133:443 tcp
TW 122.117.90.133:443 tcp

Files

memory/2560-6-0x00000000004E0000-0x000000000051A000-memory.dmp

memory/2560-2-0x00000000003A0000-0x00000000003DF000-memory.dmp

memory/2560-8-0x00000000004E0000-0x000000000051A000-memory.dmp

memory/2560-7-0x0000000000230000-0x000000000026C000-memory.dmp

memory/2560-0-0x0000000000230000-0x000000000026C000-memory.dmp

memory/2560-10-0x0000000010000000-0x0000000010003000-memory.dmp

memory/2560-9-0x00000000003E0000-0x00000000003E1000-memory.dmp

memory/1928-11-0x0000000000520000-0x0000000000521000-memory.dmp

memory/1928-12-0x00000000000F0000-0x0000000000119000-memory.dmp

memory/2560-13-0x00000000004E0000-0x000000000051A000-memory.dmp

memory/2560-14-0x0000000010000000-0x0000000010003000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-31 11:30

Reported

2024-08-31 11:32

Platform

win10v2004-20240802-en

Max time kernel

135s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe"

Signatures

Trickbot

trojan banker trickbot

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\system32\wermgr.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe

"C:\Users\Admin\AppData\Local\Temp\af4a3f013e8d2f04795c453e5bb95df337eb19a0c986dc018c0360a44ca8b7f9.exe"

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 116 -ip 116

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 604

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 116 -ip 116

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 604

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
IN 202.9.121.143:443 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
KH 136.228.128.21:443 tcp
PK 210.2.149.202:443 tcp
IN 110.172.137.20:443 tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
IN 103.123.86.104:443 tcp
IN 118.91.190.42:443 tcp

Files

memory/116-5-0x0000000002470000-0x00000000024AC000-memory.dmp

memory/116-6-0x00000000038B0000-0x00000000038EA000-memory.dmp

memory/116-4-0x00000000038B0000-0x00000000038EA000-memory.dmp

memory/116-0-0x00000000024F0000-0x000000000252F000-memory.dmp

memory/116-8-0x0000000010000000-0x0000000010003000-memory.dmp

memory/116-7-0x0000000002340000-0x0000000002341000-memory.dmp

memory/2724-9-0x000001E00E2B0000-0x000001E00E2B1000-memory.dmp

memory/2724-10-0x000001E00E010000-0x000001E00E039000-memory.dmp

memory/116-11-0x0000000002310000-0x0000000002321000-memory.dmp

memory/116-12-0x00000000038B0000-0x00000000038EA000-memory.dmp