Malware Analysis Report

2025-03-15 05:55

Sample ID 240627-1d9gnavbmr
Target 179c2daaa65636b66875f133933b4e29_JaffaCakes118
SHA256 61c663d6b16ad89af0af1db433395327ae50dc9d514d28f3ef0de3c548861dbe
Tags
persistence vmprotect
score
8/10

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
8/10

SHA256

61c663d6b16ad89af0af1db433395327ae50dc9d514d28f3ef0de3c548861dbe

Threat Level: Likely malicious

The file 179c2daaa65636b66875f133933b4e29_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

persistence vmprotect

Server Software Component: Terminal Services DLL

Deletes itself

Loads dropped DLL

VMProtect packed file

Drops file in System32 directory

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: LoadsDriver

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-27 21:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-27 21:33

Reported

2024-06-27 21:35

Platform

win7-20240508-en

Max time kernel

140s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\179c2daaa65636b66875f133933b4e29_JaffaCakes118.exe"

Signatures

Server Software Component: Terminal Services DLL

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MediaqCentern\Parameters\ServiceDll = "C:\\Windows\\system32\\TymjtqD.dll" C:\Users\Admin\AppData\Local\Temp\179c2daaa65636b66875f133933b4e29_JaffaCakes118.exe N/A

Deletes itself

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

VMProtect packed file

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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\wrivers\wwww.sys C:\Users\Admin\AppData\Local\Temp\179c2daaa65636b66875f133933b4e29_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\TymjtqD.dll C:\Users\Admin\AppData\Local\Temp\179c2daaa65636b66875f133933b4e29_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\179c2daaa65636b66875f133933b4e29_JaffaCakes118.exe N/A

Suspicious behavior: LoadsDriver

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\179c2daaa65636b66875f133933b4e29_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\179c2daaa65636b66875f133933b4e29_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\179c2daaa65636b66875f133933b4e29_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\179c2daaa65636b66875f133933b4e29_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k krnlsrvc

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\179C2D~1.EXE > nul

Network

Country Destination Domain Proto
US 8.8.8.8:53 123456ddos.3322.org udp

Files

\Windows\SysWOW64\TymjtqD.dll

MD5 7f76c769acc39bdccbe52b850f710fef
SHA1 46e3a22161e42c69e2e0ea4610d554348fce9697
SHA256 1fb3f5cb6fbd4f8c263d70707667bd0c51ef472a10bc39dc28a33a4c783ea52e
SHA512 af68116bc146966e987b1444dfd0efc9e524530f50777e99f56fa18052f301b1594cc054fb6e76ecfc4525e5e0338167bd3e0b8df4322ae7ff3509ae002f3525

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 21:33

Reported

2024-06-27 21:35

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\179c2daaa65636b66875f133933b4e29_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\179c2daaa65636b66875f133933b4e29_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\179c2daaa65636b66875f133933b4e29_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 428 -ip 428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 428 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 122.10.44.20.in-addr.arpa udp

Files

N/A