Malware Analysis Report

2024-12-07 22:02

Sample ID 240716-d49h1swcmh
Target 4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118
SHA256 a8b982ab0a745a56fd31799f56622e1e48b9fe83aa7866aa40c6b48a3f78cc14
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

a8b982ab0a745a56fd31799f56622e1e48b9fe83aa7866aa40c6b48a3f78cc14

Threat Level: Known bad

The file 4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

Boot or Logon Autostart Execution: Active Setup

UPX packed file

Adds Run key to start application

Drops file in System32 directory

Suspicious use of SetThreadContext

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-16 03:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-16 03:34

Reported

2024-07-16 03:37

Platform

win7-20240704-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

Description Indicator Process Target
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XtremeRAT

persistence spyware rat xtremerat

Boot or Logon Autostart Execution: Active Setup

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{20860XX6-7E2N-R6YO-4873-A76FD41458TG} C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{20860XX6-7E2N-R6YO-4873-A76FD41458TG}\StubPath = "C:\\Windows\\system32\\InstallDir\\svchost.exe restart" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{20860XX6-7E2N-R6YO-4873-A76FD41458TG} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{20860XX6-7E2N-R6YO-4873-A76FD41458TG}\StubPath = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\InstallDir\svchost.exe C:\Windows\SysWOW64\explorer.exe N/A
File created C:\Windows\SysWOW64\InstallDir\svchost.exe C:\Windows\SysWOW64\explorer.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2484 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 2484 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 2484 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 2484 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 2484 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 2484 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 2484 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 2484 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 1052 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1052 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1052 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1052 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1052 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1052 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 1052 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 1052 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 1052 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 1052 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\explorer.exe

explorer.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 s4met1903.zapto.org udp

Files

memory/2484-1-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1052-3-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1052-5-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2484-9-0x0000000000430000-0x000000000045A000-memory.dmp

memory/1052-11-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1052-12-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1052-8-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1052-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1052-4-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2484-15-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1052-13-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1052-16-0x0000000010000000-0x000000001004D000-memory.dmp

memory/3040-19-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1052-23-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2384-22-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2384-25-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2384-26-0x0000000010000000-0x000000001004D000-memory.dmp

C:\Windows\SysWOW64\InstallDir\svchost.exe

MD5 4ca65bbda84e2e336050e5a8c50bac21
SHA1 1c9ad9738b8fe840223bc187cdb36b27bdf4fd1a
SHA256 a8b982ab0a745a56fd31799f56622e1e48b9fe83aa7866aa40c6b48a3f78cc14
SHA512 b71a4a5cadd340e2e6d28e73b0a5a61774947230196c0aea90e7acbc3586e0e0d068210c11941d7887504a1b000ada7685c9f16744dcd8ab62c98d86ce449363

memory/3040-28-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2384-29-0x0000000010000000-0x000000001004D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-16 03:34

Reported

2024-07-16 03:37

Platform

win10v2004-20240709-en

Max time kernel

95s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

Description Indicator Process Target
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XtremeRAT

persistence spyware rat xtremerat

Boot or Logon Autostart Execution: Active Setup

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{20860XX6-7E2N-R6YO-4873-A76FD41458TG} C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{20860XX6-7E2N-R6YO-4873-A76FD41458TG}\StubPath = "C:\\Windows\\system32\\InstallDir\\svchost.exe restart" C:\Windows\SysWOW64\explorer.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\explorer.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\InstallDir\svchost.exe C:\Windows\SysWOW64\explorer.exe N/A
File created C:\Windows\SysWOW64\InstallDir\svchost.exe C:\Windows\SysWOW64\explorer.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5056 wrote to memory of 1000 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 5056 wrote to memory of 1000 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 5056 wrote to memory of 1000 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 5056 wrote to memory of 1000 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 5056 wrote to memory of 1000 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 5056 wrote to memory of 1000 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 5056 wrote to memory of 1000 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 5056 wrote to memory of 1000 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe
PID 1000 wrote to memory of 3732 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1000 wrote to memory of 3732 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1000 wrote to memory of 3732 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1000 wrote to memory of 3732 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1000 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 1000 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 1000 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 1000 wrote to memory of 4996 N/A C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\4ca65bbda84e2e336050e5a8c50bac21_JaffaCakes118.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\explorer.exe

explorer.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3732 -ip 3732

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3732 -ip 3732

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4996 -ip 4996

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 488

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 1108

Network

Country Destination Domain Proto
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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/5056-0-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1000-3-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1000-5-0x0000000010000000-0x000000001004D000-memory.dmp

memory/5056-6-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1000-7-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1000-8-0x0000000010000000-0x000000001004D000-memory.dmp

memory/3732-9-0x0000000010000000-0x000000001004D000-memory.dmp

memory/4996-10-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1000-11-0x0000000010000000-0x000000001004D000-memory.dmp

memory/4996-13-0x0000000010000000-0x000000001004D000-memory.dmp

memory/3732-14-0x0000000010000000-0x000000001004D000-memory.dmp

memory/4996-15-0x0000000010000000-0x000000001004D000-memory.dmp