Malware Analysis Report

2025-03-14 22:31

Sample ID 240407-xtzevabh2w
Target e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118
SHA256 eccf749a2b92709be62642c90c0f81d6613eade9753c6dc9d61537387bbcd86b
Tags
persistence
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

eccf749a2b92709be62642c90c0f81d6613eade9753c6dc9d61537387bbcd86b

Threat Level: Shows suspicious behavior

The file e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Adds Run key to start application

Drops file in Program Files directory

Unsigned PE

Runs net.exe

Suspicious use of WriteProcessMemory

Enumerates processes with tasklist

Gathers network information

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 19:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 19:09

Reported

2024-04-07 19:12

Platform

win7-20240221-en

Max time kernel

117s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_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\Start GeekBuddy = "C:\\Program Files\\Common Files\\Microsoft Shared\\Web Folders\\1033\\spoolsv.exe" C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Common Files\Microsoft Shared\Web Folders\1033\spoolsv.exe C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe N/A

Enumerates processes with tasklist

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\tasklist.exe N/A

Gathers network information

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\ipconfig.exe N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A

Runs net.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\tasklist.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1656 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1656 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1656 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1656 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2748 wrote to memory of 2016 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2748 wrote to memory of 2016 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2748 wrote to memory of 2016 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2748 wrote to memory of 2016 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2748 wrote to memory of 1516 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\ipconfig.exe
PID 2748 wrote to memory of 1516 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\ipconfig.exe
PID 2748 wrote to memory of 1516 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\ipconfig.exe
PID 2748 wrote to memory of 1516 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\ipconfig.exe
PID 2748 wrote to memory of 2872 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\tasklist.exe
PID 2748 wrote to memory of 2872 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\tasklist.exe
PID 2748 wrote to memory of 2872 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\tasklist.exe
PID 2748 wrote to memory of 2872 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\tasklist.exe
PID 2748 wrote to memory of 2540 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\net.exe
PID 2748 wrote to memory of 2540 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\net.exe
PID 2748 wrote to memory of 2540 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\net.exe
PID 2748 wrote to memory of 2540 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\net.exe
PID 2540 wrote to memory of 2536 N/A C:\Windows\SysWOW64\net.exe C:\Windows\SysWOW64\net1.exe
PID 2540 wrote to memory of 2536 N/A C:\Windows\SysWOW64\net.exe C:\Windows\SysWOW64\net1.exe
PID 2540 wrote to memory of 2536 N/A C:\Windows\SysWOW64\net.exe C:\Windows\SysWOW64\net1.exe
PID 2540 wrote to memory of 2536 N/A C:\Windows\SysWOW64\net.exe C:\Windows\SysWOW64\net1.exe
PID 2748 wrote to memory of 2460 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\NETSTAT.EXE
PID 2748 wrote to memory of 2460 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\NETSTAT.EXE
PID 2748 wrote to memory of 2460 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\NETSTAT.EXE
PID 2748 wrote to memory of 2460 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\NETSTAT.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log

C:\Windows\SysWOW64\cmd.exe

cmd /c set

C:\Windows\SysWOW64\ipconfig.exe

ipconfig /all

C:\Windows\SysWOW64\tasklist.exe

tasklist

C:\Windows\SysWOW64\net.exe

net start

C:\Windows\SysWOW64\net1.exe

C:\Windows\system32\net1 start

C:\Windows\SysWOW64\NETSTAT.EXE

netstat -an

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.kvic.jp udp

Files

\??\c:\windows\temp\flash.log

MD5 73c6b2ec5b7aec77f6596cb6f9aa0750
SHA1 c3ae47927a5acee7bb0c87651a605086c6504433
SHA256 b792055aa32aeb3008aa5c4bfd093abe593ae5bbc848bdd17204b40cc7628456
SHA512 3338cee8ab927259f48ccfe31488dd5ee18a6babd93f3fddedc163b9ed8e95c5d84faa27d3c90ecd1f3f0ec6b476725a9c9044ebe6e5430d500d410a0c09f56a

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 19:09

Reported

2024-04-07 19:12

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_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\Start GeekBuddy = "C:\\Program Files\\Common Files\\Microsoft Shared\\Web Folders\\1033\\spoolsv.exe" C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Common Files\Microsoft Shared\Web Folders\1033\spoolsv.exe C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe N/A

Enumerates processes with tasklist

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\tasklist.exe N/A

Gathers network information

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\ipconfig.exe N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A

Runs net.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\tasklist.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4676 wrote to memory of 4312 N/A C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 4676 wrote to memory of 4312 N/A C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 4676 wrote to memory of 4312 N/A C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 4312 wrote to memory of 3208 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 4312 wrote to memory of 3208 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 4312 wrote to memory of 3208 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 4312 wrote to memory of 3952 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\ipconfig.exe
PID 4312 wrote to memory of 3952 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\ipconfig.exe
PID 4312 wrote to memory of 3952 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\ipconfig.exe
PID 4312 wrote to memory of 2848 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\tasklist.exe
PID 4312 wrote to memory of 2848 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\tasklist.exe
PID 4312 wrote to memory of 2848 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\tasklist.exe
PID 4312 wrote to memory of 2152 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\net.exe
PID 4312 wrote to memory of 2152 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\net.exe
PID 4312 wrote to memory of 2152 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\net.exe
PID 2152 wrote to memory of 436 N/A C:\Windows\SysWOW64\net.exe C:\Windows\SysWOW64\net1.exe
PID 2152 wrote to memory of 436 N/A C:\Windows\SysWOW64\net.exe C:\Windows\SysWOW64\net1.exe
PID 2152 wrote to memory of 436 N/A C:\Windows\SysWOW64\net.exe C:\Windows\SysWOW64\net1.exe
PID 4312 wrote to memory of 4440 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\NETSTAT.EXE
PID 4312 wrote to memory of 4440 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\NETSTAT.EXE
PID 4312 wrote to memory of 4440 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\NETSTAT.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e5a6cad487ea964c32d2069eb3f27c1f_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log

C:\Windows\SysWOW64\cmd.exe

cmd /c set

C:\Windows\SysWOW64\ipconfig.exe

ipconfig /all

C:\Windows\SysWOW64\tasklist.exe

tasklist

C:\Windows\SysWOW64\net.exe

net start

C:\Windows\SysWOW64\net1.exe

C:\Windows\system32\net1 start

C:\Windows\SysWOW64\NETSTAT.EXE

netstat -an

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.kvic.jp udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
NL 52.111.243.31:443 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

\??\c:\windows\temp\flash.log

MD5 dfdc3d59ea27b8f60880a792ddae2058
SHA1 a28f241fa33f7d2735a5f575463fe41fb59233d2
SHA256 7fa198c9ca5804e738dfbe5f633dcc68efb50cdd617f68b5f555681559281d7c
SHA512 bd616c34742643e48e00b638541ec7ab5fc070b5118312edf6323e54d0c7b56d2c3afc1822fc363711372587d6722982bd460ab7f8db681e76b9f10e8a09c7a1