Malware Analysis Report

2025-01-22 13:03

Sample ID 240626-gcxa6a1bpk
Target 10e766f8ab87e13a59960db1e9490f29_JaffaCakes118
SHA256 93b936fb9813f927f448837912e02824828a33aaa00f327fdb380135a23f53f4
Tags
vmprotect
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

93b936fb9813f927f448837912e02824828a33aaa00f327fdb380135a23f53f4

Threat Level: Shows suspicious behavior

The file 10e766f8ab87e13a59960db1e9490f29_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-26 05:40

Signatures

VMProtect packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-26 05:40

Reported

2024-06-26 05:42

Platform

win7-20240611-en

Max time kernel

120s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\10e766f8ab87e13a59960db1e9490f29_JaffaCakes118.dll,#1

Signatures

VMProtect packed file

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

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1044 wrote to memory of 3008 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1044 wrote to memory of 3008 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1044 wrote to memory of 3008 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1044 wrote to memory of 3008 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1044 wrote to memory of 3008 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1044 wrote to memory of 3008 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1044 wrote to memory of 3008 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\10e766f8ab87e13a59960db1e9490f29_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\10e766f8ab87e13a59960db1e9490f29_JaffaCakes118.dll,#1

Network

N/A

Files

memory/3008-4-0x0000000074900000-0x00000000749BA000-memory.dmp

memory/3008-6-0x00000000749B5000-0x00000000749B6000-memory.dmp

memory/3008-8-0x0000000074900000-0x00000000749BA000-memory.dmp

memory/3008-2-0x0000000074900000-0x00000000749BA000-memory.dmp

memory/3008-1-0x00000000749C0000-0x0000000074A7A000-memory.dmp

memory/3008-0-0x00000000749C0000-0x0000000074A7A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-26 05:40

Reported

2024-06-26 05:42

Platform

win10v2004-20240508-en

Max time kernel

125s

Max time network

127s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\10e766f8ab87e13a59960db1e9490f29_JaffaCakes118.dll,#1

Signatures

VMProtect packed file

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

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3172 wrote to memory of 2520 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3172 wrote to memory of 2520 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3172 wrote to memory of 2520 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\10e766f8ab87e13a59960db1e9490f29_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\10e766f8ab87e13a59960db1e9490f29_JaffaCakes118.dll,#1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3824,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=4168 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 21.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 13.179.89.13.in-addr.arpa udp

Files

memory/2520-0-0x0000000075530000-0x00000000755EA000-memory.dmp

memory/2520-4-0x0000000075530000-0x00000000755EA000-memory.dmp