Malware Analysis Report

2025-03-15 05:55

Sample ID 240513-m9me4scf46
Target 3f30f677959d58f6b7420042a4adbe12_JaffaCakes118
SHA256 1be5b7f023a369121aed4dcf2d5a45ccd2501dcb33fdd79904e8ff72210f8f26
Tags
vmprotect persistence
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

1be5b7f023a369121aed4dcf2d5a45ccd2501dcb33fdd79904e8ff72210f8f26

Threat Level: Shows suspicious behavior

The file 3f30f677959d58f6b7420042a4adbe12_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect persistence

VMProtect packed file

Adds Run key to start application

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-13 11:09

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

2024-05-13 11:09

Reported

2024-05-13 11:12

Platform

win7-20240221-en

Max time kernel

140s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3f30f677959d58f6b7420042a4adbe12_JaffaCakes118.exe"

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\updata = "C:\\updata.exe" C:\Windows\SysWOW64\reg.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3f30f677959d58f6b7420042a4adbe12_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3f30f677959d58f6b7420042a4adbe12_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3f30f677959d58f6b7420042a4adbe12_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3f30f677959d58f6b7420042a4adbe12_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v updata /t REG_SZ /d C:\updata.exe /f

C:\Windows\SysWOW64\reg.exe

reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v updata /t REG_SZ /d C:\updata.exe /f

Network

Country Destination Domain Proto
CN 123.56.223.205:7777 tcp
CN 123.56.223.205:7777 tcp

Files

memory/2188-0-0x0000000000400000-0x0000000000607000-memory.dmp

memory/2188-1-0x0000000000400000-0x0000000000607000-memory.dmp

memory/2188-4-0x0000000000400000-0x0000000000607000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-13 11:09

Reported

2024-05-13 11:12

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3f30f677959d58f6b7420042a4adbe12_JaffaCakes118.exe"

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\updata = "C:\\updata.exe" C:\Windows\SysWOW64\reg.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3f30f677959d58f6b7420042a4adbe12_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3f30f677959d58f6b7420042a4adbe12_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3f30f677959d58f6b7420042a4adbe12_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3f30f677959d58f6b7420042a4adbe12_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v updata /t REG_SZ /d C:\updata.exe /f

C:\Windows\SysWOW64\reg.exe

reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v updata /t REG_SZ /d C:\updata.exe /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
CN 123.56.223.205:7777 tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.137:443 www.bing.com tcp
NL 23.62.61.137:443 www.bing.com tcp
US 8.8.8.8:53 137.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 139.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
CN 123.56.223.205:7777 tcp

Files

memory/4520-0-0x0000000000400000-0x0000000000607000-memory.dmp

memory/4520-1-0x0000000000400000-0x0000000000607000-memory.dmp

memory/4520-4-0x0000000000400000-0x0000000000607000-memory.dmp