Malware Analysis Report

2025-04-14 02:57

Sample ID 240613-c7ktds1gre
Target a39283c697092aa75fecd2398f393f87_JaffaCakes118
SHA256 26b6f3fca5ff1f243bd3643a8f34131dee3d1b50eb04f53e93e3a769540e556a
Tags
score
3/10

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
3/10

SHA256

26b6f3fca5ff1f243bd3643a8f34131dee3d1b50eb04f53e93e3a769540e556a

Threat Level: Likely benign

The file a39283c697092aa75fecd2398f393f87_JaffaCakes118 was found to be: Likely benign.

Malicious Activity Summary


Enumerates physical storage devices

Modifies registry class

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 02:43

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 02:43

Reported

2024-06-13 02:45

Platform

win7-20231129-en

Max time kernel

122s

Max time network

123s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\a39283c697092aa75fecd2398f393f87_JaffaCakes118.jad

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\jad_auto_file\ C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.jad C:\Windows\system32\rundll32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.jad\ = "jad_auto_file" C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\jad_auto_file\shell C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\jad_auto_file\shell\Read\command C:\Windows\system32\rundll32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\jad_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\jad_auto_file C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\jad_auto_file\shell\Read C:\Windows\system32\rundll32.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe N/A
N/A N/A C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\a39283c697092aa75fecd2398f393f87_JaffaCakes118.jad

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\a39283c697092aa75fecd2398f393f87_JaffaCakes118.jad

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe

"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\a39283c697092aa75fecd2398f393f87_JaffaCakes118.jad"

Network

N/A

Files

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

MD5 f3eafd32723ddcb67fe7a59cd6cb4a1a
SHA1 cf88ef816ef2c459be05b2b3ef7debc68f681f2c
SHA256 305e023c21f51019b267196fc6713af2feaa0ae663ecfabaa720492a1bf09d4b
SHA512 7e84c89ca76f34fb9cd2c2d60521f953ccb8ddd305c7f1bbb5150aa7d33c719f5bde1e3837d9a89612eeff2e1f23c955cfd57a72cb24c4f4edc50433bf0669b1

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 02:43

Reported

2024-06-13 02:45

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

151s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\a39283c697092aa75fecd2398f393f87_JaffaCakes118.jad

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings C:\Windows\system32\cmd.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings C:\Windows\system32\OpenWith.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\system32\OpenWith.exe N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\a39283c697092aa75fecd2398f393f87_JaffaCakes118.jad

C:\Windows\system32\OpenWith.exe

C:\Windows\system32\OpenWith.exe -Embedding

Network

Files

N/A