Malware Analysis Report

2025-08-06 02:47

Sample ID 241031-c381esyraj
Target 8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118
SHA256 4a86ee9d114df3455b7671ed9e0575faa965e781a05e486f3ecf57eac17f7e2b
Tags
discovery persistence defense_evasion
score
6/10

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
6/10

SHA256

4a86ee9d114df3455b7671ed9e0575faa965e781a05e486f3ecf57eac17f7e2b

Threat Level: Shows suspicious behavior

The file 8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery persistence defense_evasion

Adds Run key to start application

Suspicious use of SetThreadContext

Subvert Trust Controls: Mark-of-the-Web Bypass

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

NTFS ADS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 02:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-31 02:37

Reported

2024-10-31 02:54

Platform

win7-20241010-en

Max time kernel

14s

Max time network

19s

Command Line

C:\Windows\Explorer.EXE

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\C:\Windows\temp\taskhost.exe = "C:\\Windows\\temp\\taskhost.exe" C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2220 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2220 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2220 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2220 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2220 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 2220 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 2220 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 2220 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 2220 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 2220 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 2220 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 2220 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 2220 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 2220 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 2220 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 2220 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 2548 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 2548 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 2548 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 2548 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

"cmd"

C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe

8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe

8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe

Network

N/A

Files

memory/2220-17-0x0000000074FF0000-0x000000007559B000-memory.dmp

memory/2548-16-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2548-15-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2548-13-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2548-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2548-9-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2548-7-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2548-5-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2220-2-0x0000000074FF0000-0x000000007559B000-memory.dmp

memory/2220-1-0x0000000074FF0000-0x000000007559B000-memory.dmp

memory/2220-0-0x0000000074FF1000-0x0000000074FF2000-memory.dmp

memory/2548-18-0x0000000010000000-0x0000000010013000-memory.dmp

memory/1220-19-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

memory/1220-22-0x000000007EFD0000-0x000000007EFD1000-memory.dmp

memory/2548-31-0x0000000010000000-0x0000000010013000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-31 02:37

Reported

2024-10-31 02:53

Platform

win10v2004-20241007-en

Max time kernel

131s

Max time network

140s

Command Line

C:\Windows\Explorer.EXE

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C:\Windows\temp\taskhost.exe = "C:\\Windows\\temp\\taskhost.exe" C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe N/A

Subvert Trust Controls: Mark-of-the-Web Bypass

defense_evasion
Description Indicator Process Target
File created C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe:Zone.Identifier C:\Windows\SysWOW64\cmd.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe:Zone.Identifier C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3440 wrote to memory of 880 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 3440 wrote to memory of 880 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 3440 wrote to memory of 880 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 3440 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 3440 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 3440 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 3440 wrote to memory of 664 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 3440 wrote to memory of 664 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 3440 wrote to memory of 664 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 3440 wrote to memory of 664 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 3440 wrote to memory of 664 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 3440 wrote to memory of 664 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 3440 wrote to memory of 664 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe
PID 664 wrote to memory of 3376 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 664 wrote to memory of 3376 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 664 wrote to memory of 3376 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 664 wrote to memory of 3376 N/A C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

"cmd"

C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe

8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe

8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 101.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp

Files

memory/3440-0-0x0000000074872000-0x0000000074873000-memory.dmp

memory/3440-1-0x0000000074870000-0x0000000074E21000-memory.dmp

memory/3440-2-0x0000000074870000-0x0000000074E21000-memory.dmp

memory/664-7-0x0000000000400000-0x0000000000409000-memory.dmp

memory/664-5-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3440-9-0x0000000074870000-0x0000000074E21000-memory.dmp

memory/664-11-0x0000000010000000-0x0000000010013000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\8141ca7b5d233fa81dd7778848a0d76f_JaffaCakes118.exe

MD5 8141ca7b5d233fa81dd7778848a0d76f
SHA1 acb2e09e5d024346075f50ab918ac628673e7b6e
SHA256 4a86ee9d114df3455b7671ed9e0575faa965e781a05e486f3ecf57eac17f7e2b
SHA512 bd39f0f09800abf3c95d8a8cfa6a9a477efaae4823b460552e84d428b2daaa08abdb816a0b591109aa997b7b33c5eb0c06767e6a932005a67ccad06eeda7d605

memory/3376-13-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

memory/3376-14-0x000000007FFD0000-0x000000007FFD1000-memory.dmp

memory/664-17-0x0000000010000000-0x0000000010013000-memory.dmp