Malware Analysis Report

2025-01-23 13:14

Sample ID 241222-jprbsazpck
Target JaffaCakes118_9bb74e2a1b3925184140f5a771b1e4638dfb5c61941bbc0b52809b3ca76b4887
SHA256 9bb74e2a1b3925184140f5a771b1e4638dfb5c61941bbc0b52809b3ca76b4887
Tags
trickbot net9 banker discovery packer 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

9bb74e2a1b3925184140f5a771b1e4638dfb5c61941bbc0b52809b3ca76b4887

Threat Level: Known bad

The file JaffaCakes118_9bb74e2a1b3925184140f5a771b1e4638dfb5c61941bbc0b52809b3ca76b4887 was found to be: Known bad.

Malicious Activity Summary

trickbot net9 banker discovery packer trojan

Trickbot

Trickbot family

Templ.dll packer

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-22 07:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-22 07:50

Reported

2024-12-22 07:53

Platform

win7-20240903-en

Max time kernel

136s

Max time network

146s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6f319a3eda16bef437421920e2945ab4b3101cb27ad2f291c3dacdf84bb2240.dll,#1

Signatures

Trickbot

trojan banker trickbot

Trickbot family

trickbot

Templ.dll packer

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.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 2172 wrote to memory of 2972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2172 wrote to memory of 2972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2172 wrote to memory of 2972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2172 wrote to memory of 2972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2172 wrote to memory of 2972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2172 wrote to memory of 2972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2172 wrote to memory of 2972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2972 wrote to memory of 2776 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\system32\wermgr.exe
PID 2972 wrote to memory of 2776 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\system32\wermgr.exe
PID 2972 wrote to memory of 2776 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\system32\wermgr.exe
PID 2972 wrote to memory of 2776 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\system32\wermgr.exe
PID 2972 wrote to memory of 2776 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\system32\wermgr.exe
PID 2972 wrote to memory of 2776 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\system32\wermgr.exe
PID 2972 wrote to memory of 2736 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 2972 wrote to memory of 2736 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 2972 wrote to memory of 2736 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 2972 wrote to memory of 2736 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6f319a3eda16bef437421920e2945ab4b3101cb27ad2f291c3dacdf84bb2240.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6f319a3eda16bef437421920e2945ab4b3101cb27ad2f291c3dacdf84bb2240.dll,#1

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 228

Network

Country Destination Domain Proto
VN 115.73.211.230:443 tcp
ID 117.54.250.246:443 tcp
ZA 102.176.221.78:443 tcp
PE 181.176.161.143:443 tcp
KE 154.79.251.172:443 tcp
ID 103.90.197.33:443 tcp
IN 117.252.68.211:443 tcp

Files

memory/2972-0-0x00000000021D0000-0x00000000023F6000-memory.dmp

memory/2972-2-0x00000000008C0000-0x0000000000903000-memory.dmp

memory/2972-1-0x00000000008C0000-0x0000000000903000-memory.dmp

memory/2972-3-0x00000000002A0000-0x00000000002A1000-memory.dmp

memory/2972-4-0x0000000010000000-0x0000000010003000-memory.dmp

memory/2776-5-0x0000000000060000-0x0000000000088000-memory.dmp

memory/2776-6-0x0000000000190000-0x0000000000191000-memory.dmp

memory/2972-7-0x00000000008C0000-0x0000000000903000-memory.dmp

memory/2776-9-0x0000000000060000-0x0000000000088000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-22 07:50

Reported

2024-12-22 07:53

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6f319a3eda16bef437421920e2945ab4b3101cb27ad2f291c3dacdf84bb2240.dll,#1

Signatures

Trickbot

trojan banker trickbot

Trickbot family

trickbot

Templ.dll packer

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.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 1420 wrote to memory of 3576 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1420 wrote to memory of 3576 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1420 wrote to memory of 3576 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3576 wrote to memory of 1940 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\system32\wermgr.exe
PID 3576 wrote to memory of 1940 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\system32\wermgr.exe
PID 3576 wrote to memory of 1940 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\system32\wermgr.exe
PID 3576 wrote to memory of 1940 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\system32\wermgr.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6f319a3eda16bef437421920e2945ab4b3101cb27ad2f291c3dacdf84bb2240.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6f319a3eda16bef437421920e2945ab4b3101cb27ad2f291c3dacdf84bb2240.dll,#1

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3576 -ip 3576

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 660

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 85.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
RS 178.254.161.250:443 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
IN 103.66.72.217:443 tcp
IN 103.124.173.35:443 tcp
US 8.8.8.8:53 20.49.80.91.in-addr.arpa udp
BR 131.0.112.122:443 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
ID 117.54.250.246:443 tcp
CZ 178.72.192.20:443 tcp

Files

memory/3576-0-0x0000000002370000-0x0000000002596000-memory.dmp

memory/3576-1-0x00000000022F0000-0x0000000002333000-memory.dmp

memory/3576-2-0x00000000022F0000-0x0000000002333000-memory.dmp

memory/3576-4-0x0000000010000000-0x0000000010003000-memory.dmp

memory/3576-3-0x0000000002340000-0x0000000002341000-memory.dmp

memory/1940-5-0x000001FE40DF0000-0x000001FE40E18000-memory.dmp

memory/1940-6-0x000001FE40E40000-0x000001FE40E41000-memory.dmp

memory/3576-7-0x00000000022F0000-0x0000000002333000-memory.dmp

memory/1940-8-0x000001FE40DF0000-0x000001FE40E18000-memory.dmp