Malware Analysis Report

2024-09-22 22:05

Sample ID 240614-vfc9cayfne
Target aac67d8d4dda26d20dd07a1b6f4fbea4_JaffaCakes118
SHA256 fdec3187c8e1803fecca133217ed61a1d3b17737ce04ec72ea75e622afb986c1
Tags
emotet epoch3 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

fdec3187c8e1803fecca133217ed61a1d3b17737ce04ec72ea75e622afb986c1

Threat Level: Known bad

The file aac67d8d4dda26d20dd07a1b6f4fbea4_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Executes dropped EXE

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-14 16:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 16:55

Reported

2024-06-14 16:58

Platform

win7-20240611-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aac67d8d4dda26d20dd07a1b6f4fbea4_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Executes dropped EXE

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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\dmloader\winsta.exe C:\Users\Admin\AppData\Local\Temp\aac67d8d4dda26d20dd07a1b6f4fbea4_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\aac67d8d4dda26d20dd07a1b6f4fbea4_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aac67d8d4dda26d20dd07a1b6f4fbea4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aac67d8d4dda26d20dd07a1b6f4fbea4_JaffaCakes118.exe"

C:\Windows\SysWOW64\dmloader\winsta.exe

"C:\Windows\SysWOW64\dmloader\winsta.exe"

Network

Country Destination Domain Proto
FR 82.239.200.118:80 tcp
FR 82.239.200.118:80 tcp
FR 185.81.158.15:8080 tcp
FR 185.81.158.15:8080 tcp
FR 51.255.15.193:7080 tcp
FR 51.255.15.193:7080 tcp

Files

memory/2432-0-0x0000000000390000-0x000000000039C000-memory.dmp

memory/2432-4-0x0000000000300000-0x0000000000309000-memory.dmp

memory/2432-6-0x0000000000400000-0x000000000048C000-memory.dmp

C:\Windows\SysWOW64\dmloader\winsta.exe

MD5 aac67d8d4dda26d20dd07a1b6f4fbea4
SHA1 6867390a119df9ee4a1a5d40e044adc2de691f4f
SHA256 fdec3187c8e1803fecca133217ed61a1d3b17737ce04ec72ea75e622afb986c1
SHA512 a88454fa7caf4c291f6cb6a791e0953c1271c4532ac0b2521705514386f87d09c0a2f32779aa769d76f7ff7f43a763fc2438459f0cb21cb82fc7ae2678b36497

memory/1700-7-0x00000000003F0000-0x00000000003FC000-memory.dmp

memory/1700-11-0x00000000003F0000-0x00000000003FC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 16:55

Reported

2024-06-14 16:58

Platform

win10v2004-20240508-en

Max time kernel

129s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aac67d8d4dda26d20dd07a1b6f4fbea4_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Processes

C:\Users\Admin\AppData\Local\Temp\aac67d8d4dda26d20dd07a1b6f4fbea4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aac67d8d4dda26d20dd07a1b6f4fbea4_JaffaCakes118.exe"

Network

Country Destination Domain Proto
FR 82.239.200.118:80 tcp
FR 185.81.158.15:8080 tcp
FR 51.255.15.193:7080 tcp
US 52.111.227.14:443 tcp
FR 85.25.207.108:8080 tcp
US 107.161.30.122:8080 tcp
VN 113.161.148.81:80 tcp

Files

memory/2584-0-0x00000000021F0000-0x00000000021FC000-memory.dmp

memory/2584-4-0x0000000002170000-0x0000000002179000-memory.dmp

memory/2584-5-0x00000000021F0000-0x00000000021FC000-memory.dmp