Malware Analysis Report

2025-05-28 15:56

Sample ID 250515-zmlaragk2w
Target JaffaCakes118_04db9d44bbbebf41613d356574831640
SHA256 e9925e6bec9f8e278ecdeee7318f2e34741570d56d99caa6668a0ce5438c6610
Tags
imminent discovery persistence spyware trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e9925e6bec9f8e278ecdeee7318f2e34741570d56d99caa6668a0ce5438c6610

Threat Level: Known bad

The file JaffaCakes118_04db9d44bbbebf41613d356574831640 was found to be: Known bad.

Malicious Activity Summary

imminent discovery persistence spyware trojan

Imminent RAT

Imminent family

Executes dropped EXE

Adds Run key to start application

Drops desktop.ini file(s)

Drops file in Windows directory

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-05-15 20:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-05-15 20:50

Reported

2025-05-15 20:52

Platform

win10v2004-20250502-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04db9d44bbbebf41613d356574831640.exe"

Signatures

Imminent RAT

trojan spyware imminent

Imminent family

imminent

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\skypehost\skypehostnames.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3299287909-2279959458-198972791-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\skype = "C:\\Users\\Admin\\AppData\\Roaming\\skypehost\\skypehostnames.exe" C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04db9d44bbbebf41613d356574831640.exe N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04db9d44bbbebf41613d356574831640.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04db9d44bbbebf41613d356574831640.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\assembly C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04db9d44bbbebf41613d356574831640.exe N/A
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04db9d44bbbebf41613d356574831640.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04db9d44bbbebf41613d356574831640.exe N/A

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\JaffaCakes118_04db9d44bbbebf41613d356574831640.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\skypehost\skypehostnames.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04db9d44bbbebf41613d356574831640.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04db9d44bbbebf41613d356574831640.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4888 wrote to memory of 3944 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Roaming\skypehost\skypehostnames.exe
PID 4888 wrote to memory of 3944 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Roaming\skypehost\skypehostnames.exe
PID 4888 wrote to memory of 3944 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Roaming\skypehost\skypehostnames.exe

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04db9d44bbbebf41613d356574831640.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04db9d44bbbebf41613d356574831640.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\skypehost\skypehostnames.exe

C:\Users\Admin\AppData\Roaming\skypehost\skypehostnames.exe

C:\Users\Admin\AppData\Roaming\skypehost\skypehostnames.exe

C:\Windows\system32\wbem\WmiApSrv.exe

C:\Windows\system32\wbem\WmiApSrv.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 java016.duckdns.org udp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
US 8.8.8.8:53 c.pki.goog udp
FR 142.251.37.35:80 c.pki.goog tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
US 8.8.8.8:53 java016.duckdns.org udp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
US 8.8.8.8:53 java016.duckdns.org udp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp
DE 172.94.9.65:7373 java016.duckdns.org tcp

Files

memory/3352-0-0x0000000074B82000-0x0000000074B83000-memory.dmp

memory/3352-1-0x0000000074B80000-0x0000000075131000-memory.dmp

memory/3352-2-0x0000000074B80000-0x0000000075131000-memory.dmp

memory/3352-3-0x0000000074B80000-0x0000000075131000-memory.dmp

C:\Users\Admin\AppData\Roaming\skypehost\skypehostnames.exe

MD5 04db9d44bbbebf41613d356574831640
SHA1 7abae85103da773b963a8e29c5371726f07ed9f2
SHA256 e9925e6bec9f8e278ecdeee7318f2e34741570d56d99caa6668a0ce5438c6610
SHA512 708827b0dd75563b30a89cf5f4cc6befa564320367ba6b26867e83f0f759a15a22a6d07a52a6945d2e21a45acc536cba7c7ed2e7bf68ab9f70fa390b5ca44e1a

memory/3944-10-0x0000000074B80000-0x0000000075131000-memory.dmp

memory/3944-13-0x0000000074B80000-0x0000000075131000-memory.dmp

memory/3944-12-0x0000000074B80000-0x0000000075131000-memory.dmp

memory/3944-15-0x0000000074B80000-0x0000000075131000-memory.dmp

memory/3352-16-0x0000000074B82000-0x0000000074B83000-memory.dmp

memory/3352-17-0x0000000074B80000-0x0000000075131000-memory.dmp

memory/3352-22-0x0000000074B80000-0x0000000075131000-memory.dmp

memory/3352-23-0x0000000074B80000-0x0000000075131000-memory.dmp