Malware Analysis Report

2025-01-02 02:46

Sample ID 240719-qcvxrssern
Target 5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118
SHA256 e7503289af08cfafc81b9c5e21f64d6339c7603db79ccb239ae64ab540649e34
Tags
xtremerat persistence rat spyware
score
10/10

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
10/10

SHA256

e7503289af08cfafc81b9c5e21f64d6339c7603db79ccb239ae64ab540649e34

Threat Level: Known bad

The file 5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Detect XtremeRAT payload

XtremeRAT

Executes dropped EXE

Loads dropped DLL

Uses the VBS compiler for execution

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-19 13:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-19 13:07

Reported

2024-07-19 13:10

Platform

win7-20240704-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe N/A

Uses the VBS compiler for execution

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\HostProcess = "C:\\Users\\Admin\\AppData\\Roaming\\HostProcess\\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2568 set thread context of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2568 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2568 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2568 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2568 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2568 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2568 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2568 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2568 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2568 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2568 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2568 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2568 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\vbc.exe

C:\Users\Admin\AppData\Local\Temp\vbc.exe

Network

N/A

Files

memory/2568-0-0x0000000074551000-0x0000000074552000-memory.dmp

memory/2568-1-0x0000000074550000-0x0000000074AFB000-memory.dmp

memory/2568-5-0x0000000074550000-0x0000000074AFB000-memory.dmp

memory/2524-11-0x0000000000C80000-0x0000000000C93000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\vbc.exe

MD5 34aa912defa18c2c129f1e09d75c1d7e
SHA1 9c3046324657505a30ecd9b1fdb46c05bde7d470
SHA256 6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386
SHA512 d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

memory/2524-18-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2524-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2524-15-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2524-14-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2524-13-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2524-12-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2524-10-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2524-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2568-20-0x0000000074550000-0x0000000074AFB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-19 13:07

Reported

2024-07-19 13:10

Platform

win10v2004-20240709-en

Max time kernel

93s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Executes dropped EXE

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

Uses the VBS compiler for execution

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HostProcess = "C:\\Users\\Admin\\AppData\\Roaming\\HostProcess\\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2608 set thread context of 2756 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2608 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2608 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2608 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2608 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2608 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2608 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2608 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2608 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2608 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2608 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2608 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2608 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2608 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5c11380aabc72b9c1c2885f723d4408e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\vbc.exe

C:\Users\Admin\AppData\Local\Temp\vbc.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2756 -ip 2756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 12

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/2608-0-0x0000000075482000-0x0000000075483000-memory.dmp

memory/2608-1-0x0000000075480000-0x0000000075A31000-memory.dmp

memory/2608-2-0x0000000075480000-0x0000000075A31000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\vbc.exe

MD5 d881de17aa8f2e2c08cbb7b265f928f9
SHA1 08936aebc87decf0af6e8eada191062b5e65ac2a
SHA256 b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
SHA512 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

memory/2756-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2608-10-0x0000000075480000-0x0000000075A31000-memory.dmp