Malware Analysis Report

2025-01-03 05:59

Sample ID 240331-lllm8shf2z
Target 5323b594d60815546b33c63285460b6a_JaffaCakes118
SHA256 aa4563a7bc419e1154107338118c0667cc43dccdf453144ddcc32ea76d99f9fe
Tags
emotet epoch3 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

aa4563a7bc419e1154107338118c0667cc43dccdf453144ddcc32ea76d99f9fe

Threat Level: Known bad

The file 5323b594d60815546b33c63285460b6a_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Blocklisted process makes network request

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-31 09:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-31 09:37

Reported

2024-03-31 09:40

Platform

win7-20240221-en

Max time kernel

143s

Max time network

154s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5323b594d60815546b33c63285460b6a_JaffaCakes118.dll,#1

Signatures

Emotet

trojan banker emotet

Blocklisted process makes network request

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

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2272 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2272 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2272 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2272 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2272 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2272 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2272 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5323b594d60815546b33c63285460b6a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5323b594d60815546b33c63285460b6a_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
PH 161.49.84.2:80 tcp
PH 161.49.84.2:80 tcp
US 68.133.75.203:8080 tcp
US 68.133.75.203:8080 tcp
TH 203.157.152.9:7080 tcp
TH 203.157.152.9:7080 tcp

Files

memory/1640-0-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1640-1-0x0000000010000000-0x000000001004C000-memory.dmp

memory/1640-2-0x0000000010000000-0x000000001004C000-memory.dmp

memory/1640-3-0x0000000010000000-0x000000001004C000-memory.dmp

memory/1640-7-0x0000000010000000-0x000000001004C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-31 09:37

Reported

2024-03-31 09:39

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

155s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5323b594d60815546b33c63285460b6a_JaffaCakes118.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5323b594d60815546b33c63285460b6a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5323b594d60815546b33c63285460b6a_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 40.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
PH 161.49.84.2:80 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 68.133.75.203:8080 tcp
US 8.8.8.8:53 41.134.221.88.in-addr.arpa udp
TH 203.157.152.9:7080 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
SG 157.245.145.87:443 tcp
NO 195.159.28.244:8080 tcp
US 8.8.8.8:53 9.173.189.20.in-addr.arpa udp
ID 175.103.38.146:80 tcp

Files

memory/2100-0-0x0000000001130000-0x0000000001131000-memory.dmp

memory/2100-1-0x0000000010000000-0x000000001004C000-memory.dmp

memory/2100-2-0x0000000010000000-0x000000001004C000-memory.dmp

memory/2100-5-0x0000000010000000-0x000000001004C000-memory.dmp