Malware Analysis Report

2025-01-02 02:46

Sample ID 240720-brwehstdla
Target 5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118
SHA256 8d10a8991010710c96fd1b7e914fcb6d64c67349e94c911eb790fdb74a59e062
Tags
xtremerat persistence rat spyware upx
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

8d10a8991010710c96fd1b7e914fcb6d64c67349e94c911eb790fdb74a59e062

Threat Level: Known bad

The file 5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

XtremeRAT

Detect XtremeRAT payload

UPX packed file

Drops desktop.ini file(s)

Suspicious use of SetThreadContext

Drops file in Windows directory

Program crash

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-20 01:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-20 01:23

Reported

2024-07-20 01:25

Platform

win7-20240704-en

Max time kernel

149s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_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

XtremeRAT

persistence spyware rat xtremerat

UPX packed file

upx
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
N/A N/A N/A N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1060 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 1060 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 1060 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 1060 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 1060 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 1060 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 1060 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 1060 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 1060 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 1508 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1508 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1508 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1508 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1508 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1508 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1508 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1508 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1508 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1508 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe"

Network

N/A

Files

memory/1060-0-0x0000000074EE1000-0x0000000074EE2000-memory.dmp

memory/1060-1-0x0000000074EE0000-0x000000007548B000-memory.dmp

memory/1060-2-0x0000000074EE0000-0x000000007548B000-memory.dmp

memory/1508-3-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1508-5-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1060-8-0x0000000074EE0000-0x000000007548B000-memory.dmp

memory/1508-7-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1508-6-0x0000000010000000-0x0000000010048000-memory.dmp

memory/3040-11-0x0000000010000000-0x0000000010048000-memory.dmp

memory/3040-9-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1508-12-0x0000000010000000-0x0000000010048000-memory.dmp

memory/3040-13-0x0000000010000000-0x0000000010048000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-20 01:23

Reported

2024-07-20 01:25

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_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

XtremeRAT

persistence spyware rat xtremerat

UPX packed file

upx
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
N/A N/A N/A N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\assembly C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe N/A
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4552 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 4552 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 4552 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 4552 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 4552 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 4552 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 4552 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 4552 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe
PID 1836 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1836 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1836 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1836 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1836 wrote to memory of 4380 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 1836 wrote to memory of 4380 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 1836 wrote to memory of 4380 N/A C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5e7e2e2f2e9df8a26f0f8751dd5908b3_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2240 -ip 2240

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2240 -ip 2240

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 504

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 59.170.16.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/4552-0-0x0000000074A22000-0x0000000074A23000-memory.dmp

memory/4552-1-0x0000000074A20000-0x0000000074FD1000-memory.dmp

memory/4552-2-0x0000000074A20000-0x0000000074FD1000-memory.dmp

memory/1836-5-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1836-8-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1836-9-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1836-10-0x0000000010000000-0x0000000010048000-memory.dmp

memory/4552-11-0x0000000074A20000-0x0000000074FD1000-memory.dmp

memory/2240-12-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1836-13-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2240-14-0x0000000010000000-0x0000000010048000-memory.dmp