Malware Analysis Report

2025-03-14 23:28

Sample ID 240407-wzv4yaah3v
Target e591064f195d9756a35a67d5529d6cfa_JaffaCakes118
SHA256 7345d664d50ddde1e5adacf8af60ce657f87a83cd09b7a625834a2284ebf2b98
Tags
persistence
score
7/10

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
7/10

SHA256

7345d664d50ddde1e5adacf8af60ce657f87a83cd09b7a625834a2284ebf2b98

Threat Level: Shows suspicious behavior

The file e591064f195d9756a35a67d5529d6cfa_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 18:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 18:22

Reported

2024-04-07 18:24

Platform

win7-20240215-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\lcgi = "\"c:\\windows\\tracing\\nits.exe\"" C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\5f1f48d2.log C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe N/A
File created \??\c:\windows\tracing\nits.exe C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.jiuhn08750.com udp

Files

memory/1656-1-0x0000000000400000-0x0000000000463000-memory.dmp

memory/1656-0-0x0000000000400000-0x0000000000463000-memory.dmp

memory/1656-4-0x0000000000400000-0x0000000000463000-memory.dmp

memory/1656-14-0x0000000000400000-0x0000000000463000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 18:22

Reported

2024-04-07 18:24

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\windows\addins\stikm.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\jksceh = "\"c:\\windows\\addins\\stikm.exe\"" C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created \??\c:\windows\addins\stikm.exe C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe N/A
File created C:\Windows\b6abda35.log C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.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\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe N/A
N/A N/A C:\windows\addins\stikm.exe N/A
N/A N/A C:\windows\addins\stikm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe"

C:\windows\addins\stikm.exe

"C:\windows\addins\stikm.exe" /i

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 216.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 www.jiuhn08750.com udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 28.143.109.104.in-addr.arpa udp
US 8.8.8.8:53 www.naver.com udp
NL 72.246.172.201:80 www.naver.com tcp
NL 72.246.172.201:443 www.naver.com tcp
US 8.8.8.8:53 201.172.246.72.in-addr.arpa udp
US 8.8.8.8:53 www.jiuhn08750.com udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp

Files

memory/3236-0-0x0000000000400000-0x0000000000463000-memory.dmp

memory/3236-1-0x0000000000400000-0x0000000000463000-memory.dmp

memory/3236-4-0x0000000000400000-0x0000000000463000-memory.dmp

C:\Windows\addins\stikm.exe

MD5 e591064f195d9756a35a67d5529d6cfa
SHA1 ad11ec1b931a7e3db5f1ac7ad881978744742c96
SHA256 7345d664d50ddde1e5adacf8af60ce657f87a83cd09b7a625834a2284ebf2b98
SHA512 ca24b5810a0faa014d6b1a593800ffd269c176fa1805ed8b2e6d2e78c185875d2057e65cda331186daf1e931dbc2dd73c4c119c8b729cef50de55af2146dbfeb

C:\Windows\b6abda35.log

MD5 f69777e3dc952161f8921a49582d1737
SHA1 81ac24c1c4dbee0f9632bfac3752befa7e7034a2
SHA256 a7a297f46b1fce942540ed8cb7186312ddf47e8766db317890e82f8451676a03
SHA512 7df62f0b6995390a35be4c09a7608b868123575529d7c140a7fafd838983f1c9364705d8fd5fa2777c3282e07ef1c212e711696db1795c15a8fb21ce8e285a98

memory/4468-24-0x0000000000400000-0x0000000000463000-memory.dmp

memory/4468-25-0x0000000000400000-0x0000000000463000-memory.dmp

memory/3236-30-0x0000000000400000-0x0000000000463000-memory.dmp