Malware Analysis Report

2025-03-15 05:52

Sample ID 240627-t98rnssfkn
Target 16bdf90f1a3827c41677c34c4601f27f_JaffaCakes118
SHA256 4c7e1b392dd9c125635a1fcf8da3a41cbfb2945bd2696894ba6be656a3cfe698
Tags
vmprotect
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

4c7e1b392dd9c125635a1fcf8da3a41cbfb2945bd2696894ba6be656a3cfe698

Threat Level: Shows suspicious behavior

The file 16bdf90f1a3827c41677c34c4601f27f_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

Deletes itself

VMProtect packed file

Executes dropped EXE

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-27 16:46

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

2024-06-27 16:46

Reported

2024-06-27 16:49

Platform

win7-20231129-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\16bdf90f1a3827c41677c34c4601f27f_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\16bdf90f1a3827c41677c34c4601f27f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\16bdf90f1a3827c41677c34c4601f27f_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 184

Network

N/A

Files

memory/3040-0-0x0000000000400000-0x0000000000587000-memory.dmp

memory/3040-1-0x0000000000230000-0x0000000000231000-memory.dmp

memory/3040-2-0x0000000000400000-0x0000000000587000-memory.dmp

memory/3040-3-0x0000000000230000-0x0000000000231000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 16:46

Reported

2024-06-27 16:49

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\16bdf90f1a3827c41677c34c4601f27f_JaffaCakes118.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\360.sys N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\360.sys N/A

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
N/A N/A N/A N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\360.sys C:\Users\Admin\AppData\Local\Temp\16bdf90f1a3827c41677c34c4601f27f_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\360.sys N/A

Processes

C:\Users\Admin\AppData\Local\Temp\16bdf90f1a3827c41677c34c4601f27f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\16bdf90f1a3827c41677c34c4601f27f_JaffaCakes118.exe"

C:\Windows\360.sys

C:\Windows\360.sys

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 --mojo-platform-channel-handle=3756 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 maxxx.3322.org udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 maxxx.3322.org udp
US 8.8.8.8:53 maxxx.3322.org udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 maxxx.3322.org udp
US 8.8.8.8:53 maxxx.3322.org udp
US 8.8.8.8:53 213.143.182.52.in-addr.arpa udp

Files

memory/1604-0-0x0000000000400000-0x0000000000587000-memory.dmp

memory/1604-1-0x0000000002330000-0x0000000002331000-memory.dmp

C:\Windows\360.sys

MD5 16bdf90f1a3827c41677c34c4601f27f
SHA1 2e20681303893637c34b5c8daa7484d4a9e2f5aa
SHA256 4c7e1b392dd9c125635a1fcf8da3a41cbfb2945bd2696894ba6be656a3cfe698
SHA512 7463b369998c69ddad12a2b2d09fe5b07323d473fef4753718b8b2c0a65ca71caa312187d2c4fb9a4c0da7fe4e1d1c4b0f58e0234db10754fb2a25700530f2b9

memory/716-7-0x0000000000400000-0x0000000000587000-memory.dmp

memory/716-8-0x0000000000E90000-0x0000000000E91000-memory.dmp

memory/1604-9-0x0000000000400000-0x0000000000587000-memory.dmp

memory/716-10-0x0000000000400000-0x0000000000587000-memory.dmp

memory/716-11-0x0000000000E90000-0x0000000000E91000-memory.dmp