Malware Analysis Report

2025-08-10 22:40

Sample ID 250127-sb6zravkbk
Target JaffaCakes118_40bf686bc8bf178d303d87a2d5af01f6
SHA256 017fc6832a75b1d6730fc772c80d812d47a4e8d79f6998c8abd4696757342c01
Tags
discovery
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

017fc6832a75b1d6730fc772c80d812d47a4e8d79f6998c8abd4696757342c01

Threat Level: Likely benign

The file JaffaCakes118_40bf686bc8bf178d303d87a2d5af01f6 was found to be: Likely benign.

Malicious Activity Summary

discovery

System Location Discovery: System Language Discovery

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

2025-01-27 14:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-27 14:58

Reported

2025-01-27 15:00

Platform

win7-20240903-en

Max time kernel

120s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40bf686bc8bf178d303d87a2d5af01f6.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\rundll32.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40bf686bc8bf178d303d87a2d5af01f6.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40bf686bc8bf178d303d87a2d5af01f6.dll,#1

Network

N/A

Files

memory/2536-0-0x0000000010000000-0x00000000100E8000-memory.dmp

memory/2536-1-0x0000000010000000-0x00000000100E8000-memory.dmp

memory/2536-2-0x0000000010000000-0x00000000100E8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-27 14:58

Reported

2025-01-28 02:27

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

105s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40bf686bc8bf178d303d87a2d5af01f6.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\rundll32.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 848 wrote to memory of 220 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 848 wrote to memory of 220 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 848 wrote to memory of 220 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40bf686bc8bf178d303d87a2d5af01f6.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40bf686bc8bf178d303d87a2d5af01f6.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 5.114.82.104.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 96.252.19.2.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/220-0-0x0000000010000000-0x00000000100E8000-memory.dmp