Malware Analysis Report

2025-06-16 06:34

Sample ID 240825-k887daweng
Target c06baadce354bc16bc19e9d648f62567_JaffaCakes118
SHA256 518b1405d1740f1f0bf529e1b13084c344e336f5bda9db2bba35a0c8d22d7fa1
Tags
themida discovery evasion persistence
score
7/10

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
7/10

SHA256

518b1405d1740f1f0bf529e1b13084c344e336f5bda9db2bba35a0c8d22d7fa1

Threat Level: Shows suspicious behavior

The file c06baadce354bc16bc19e9d648f62567_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

themida discovery evasion persistence

Identifies Wine through registry keys

Themida packer

Adds Run key to start application

Drops file in Windows directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-25 09:17

Signatures

Themida packer

themida
Description Indicator Process Target
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Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-08-25 09:17

Reported

2024-08-25 09:19

Platform

win7-20240704-en

Max time kernel

140s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe"

Signatures

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe N/A

Themida packer

themida
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe = "C:\\ProgramData\\Application Data\\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created \??\c:\windows\necont C:\Users\Admin\AppData\Local\Temp\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.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\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 dbsq0010.whservidor.com udp
BR 200.98.196.206:1433 dbsq0010.whservidor.com tcp

Files

memory/2092-0-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-2-0x00000000001F0000-0x00000000001F1000-memory.dmp

memory/2092-1-0x00000000020A0000-0x0000000002199000-memory.dmp

memory/2092-4-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-5-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-3-0x0000000000401000-0x0000000000465000-memory.dmp

memory/2092-9-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-8-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-12-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-11-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-7-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-6-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-13-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-14-0x00000000001F0000-0x00000000001F1000-memory.dmp

memory/2092-15-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-17-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-16-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-18-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-19-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-20-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-21-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-22-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-23-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-24-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-25-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-26-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-27-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-28-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-29-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-30-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-31-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-32-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-33-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-34-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/2092-35-0x0000000000400000-0x00000000007D4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-25 09:17

Reported

2024-08-25 09:20

Platform

win10v2004-20240802-en

Max time kernel

137s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe"

Signatures

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe N/A

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A
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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\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c06baadce354bc16bc19e9d648f62567_JaffaCakes118.exe"

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 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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

Files

memory/652-0-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/652-1-0x0000000000970000-0x0000000000971000-memory.dmp

memory/652-2-0x0000000002560000-0x0000000002659000-memory.dmp

memory/652-3-0x0000000000400000-0x00000000007D4000-memory.dmp

memory/652-4-0x0000000000970000-0x0000000000971000-memory.dmp