Malware Analysis Report

2025-03-15 05:55

Sample ID 240514-yj9nhadc6s
Target 42c914fafa4bfc4ce3e6421a395af0d7_JaffaCakes118
SHA256 4404f8ab98d9d3cc0e31ebb8083d005e17a4b4e13b7cfb359d9a1681738a1dcd
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

4404f8ab98d9d3cc0e31ebb8083d005e17a4b4e13b7cfb359d9a1681738a1dcd

Threat Level: Shows suspicious behavior

The file 42c914fafa4bfc4ce3e6421a395af0d7_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-14 19:50

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

2024-05-14 19:50

Reported

2024-05-14 19:52

Platform

win7-20240221-en

Max time kernel

122s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c914fafa4bfc4ce3e6421a395af0d7_JaffaCakes118.dll,#1

Signatures

VMProtect packed file

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2328 wrote to memory of 2584 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2328 wrote to memory of 2584 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2328 wrote to memory of 2584 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2328 wrote to memory of 2584 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2328 wrote to memory of 2584 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2328 wrote to memory of 2584 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2328 wrote to memory of 2584 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2584 wrote to memory of 2484 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\cmd.exe
PID 2584 wrote to memory of 2484 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\cmd.exe
PID 2584 wrote to memory of 2484 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\cmd.exe
PID 2584 wrote to memory of 2484 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\cmd.exe
PID 2484 wrote to memory of 3060 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2484 wrote to memory of 3060 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2484 wrote to memory of 3060 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2484 wrote to memory of 3060 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c914fafa4bfc4ce3e6421a395af0d7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c914fafa4bfc4ce3e6421a395af0d7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c powershell -exec bypass -f .\dataup.ps1

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

powershell -exec bypass -f .\dataup.ps1

Network

N/A

Files

memory/2584-0-0x0000000053810000-0x0000000054810000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-14 19:50

Reported

2024-05-14 19:52

Platform

win10v2004-20240426-en

Max time kernel

135s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c914fafa4bfc4ce3e6421a395af0d7_JaffaCakes118.dll,#1

Signatures

VMProtect packed file

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c914fafa4bfc4ce3e6421a395af0d7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c914fafa4bfc4ce3e6421a395af0d7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c powershell -exec bypass -f .\dataup.ps1

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

powershell -exec bypass -f .\dataup.ps1

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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 3.166.122.92.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/1028-0-0x0000000064D80000-0x0000000065D80000-memory.dmp

memory/4964-2-0x00000000027E0000-0x0000000002816000-memory.dmp

memory/4964-3-0x00000000053C0000-0x00000000059E8000-memory.dmp

memory/4964-4-0x0000000005140000-0x0000000005162000-memory.dmp

memory/4964-6-0x0000000005AE0000-0x0000000005B46000-memory.dmp

memory/4964-5-0x00000000051F0000-0x0000000005256000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xotmp3hl.i4s.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4964-16-0x0000000005B50000-0x0000000005EA4000-memory.dmp