Malware Analysis Report

2025-03-14 23:12

Sample ID 240406-3147kaeg5t
Target e3990bdc213c9277e5da5974df16db18_JaffaCakes118
SHA256 26cddaeeb7e6a597a38114e27a0cc287e6c8b060dbfd3bad9a97f7661b58a6f8
Tags
persistence
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

26cddaeeb7e6a597a38114e27a0cc287e6c8b060dbfd3bad9a97f7661b58a6f8

Threat Level: Shows suspicious behavior

The file e3990bdc213c9277e5da5974df16db18_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Loads dropped DLL

Adds Run key to start application

Drops file in System32 directory

Drops file in Windows directory

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-06 23:59

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 23:59

Reported

2024-04-07 00:02

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

123s

Command Line

C:\Windows\Explorer.EXE

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DiskMan32 = "C:\\Windows\\DiskMan32.exe" C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\DiskMan32.dll C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\DiskMan32.exe C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A
File opened for modification C:\Windows\DiskMan32.exe C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp

Files

memory/4048-0-0x0000000000400000-0x000000000041502E-memory.dmp

memory/3452-3-0x00000000077C0000-0x00000000077C1000-memory.dmp

C:\Windows\SysWOW64\DiskMan32.dll

MD5 88243a8843f5aa8be8ceb3af0a6deba7
SHA1 7f2b7227ebc88dcd68bb9c8e44cdbaf026c77bd9
SHA256 0e4889ca67c9df4391a97546eabbb43dcee73746e09c0f21e180718cd38ca19c
SHA512 4a26509fb20fb7038815ed19a0eeafd978f096aef28029875bd0b04db5179b6edf643a63b31af6bc2302ad840e98b0ad369b8dfd800c593a89df5cd07c8ec9b6

memory/4048-8-0x0000000000400000-0x000000000041502E-memory.dmp

memory/4048-10-0x0000000010000000-0x000000001000B000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-06 23:59

Reported

2024-04-07 00:02

Platform

win7-20240221-en

Max time kernel

157s

Max time network

23s

Command Line

C:\Windows\Explorer.EXE

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RUN\DiskMan32 = "C:\\Windows\\DiskMan32.exe" C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\DiskMan32.dll C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\DiskMan32.exe C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A
File opened for modification C:\Windows\DiskMan32.exe C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e3990bdc213c9277e5da5974df16db18_JaffaCakes118.exe"

Network

N/A

Files

memory/2268-0-0x0000000000400000-0x000000000041502E-memory.dmp

memory/1384-3-0x0000000002A40000-0x0000000002A41000-memory.dmp

\Windows\SysWOW64\DiskMan32.dll

MD5 88243a8843f5aa8be8ceb3af0a6deba7
SHA1 7f2b7227ebc88dcd68bb9c8e44cdbaf026c77bd9
SHA256 0e4889ca67c9df4391a97546eabbb43dcee73746e09c0f21e180718cd38ca19c
SHA512 4a26509fb20fb7038815ed19a0eeafd978f096aef28029875bd0b04db5179b6edf643a63b31af6bc2302ad840e98b0ad369b8dfd800c593a89df5cd07c8ec9b6

memory/2268-11-0x0000000000400000-0x000000000041502E-memory.dmp

memory/2268-13-0x0000000010000000-0x000000001000B000-memory.dmp