Malware Analysis Report

2025-08-05 20:57

Sample ID 240404-wc9c2see96
Target bebe00983a92f88509708b574af4247b_JaffaCakes118
SHA256 7fdd453b11758f107bdda172822c8e418763f8eb8919a7e82f059723f567319a
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

7fdd453b11758f107bdda172822c8e418763f8eb8919a7e82f059723f567319a

Threat Level: Shows suspicious behavior

The file bebe00983a92f88509708b574af4247b_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

Enumerates processes with tasklist

Gathers network information

Runs net.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-04 17:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-04 17:47

Reported

2024-04-04 17:50

Platform

win7-20240221-en

Max time kernel

121s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bebe00983a92f88509708b574af4247b_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\bebe00983a92f88509708b574af4247b_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\bebe00983a92f88509708b574af4247b_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 2676 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\bebe00983a92f88509708b574af4247b_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2676 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\bebe00983a92f88509708b574af4247b_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2676 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\bebe00983a92f88509708b574af4247b_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2676 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\bebe00983a92f88509708b574af4247b_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2836 wrote to memory of 2864 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2836 wrote to memory of 2864 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2836 wrote to memory of 2864 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2836 wrote to memory of 2864 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 2836 wrote to memory of 2976 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\ipconfig.exe
PID 2836 wrote to memory of 2976 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\ipconfig.exe
PID 2836 wrote to memory of 2976 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\ipconfig.exe
PID 2836 wrote to memory of 2976 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\ipconfig.exe
PID 2836 wrote to memory of 2316 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\tasklist.exe
PID 2836 wrote to memory of 2316 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\tasklist.exe
PID 2836 wrote to memory of 2316 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\tasklist.exe
PID 2836 wrote to memory of 2316 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\tasklist.exe
PID 2836 wrote to memory of 2636 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\net.exe
PID 2836 wrote to memory of 2636 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\net.exe
PID 2836 wrote to memory of 2636 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\net.exe
PID 2836 wrote to memory of 2636 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\net.exe
PID 2636 wrote to memory of 2612 N/A C:\Windows\SysWOW64\net.exe C:\Windows\SysWOW64\net1.exe
PID 2636 wrote to memory of 2612 N/A C:\Windows\SysWOW64\net.exe C:\Windows\SysWOW64\net1.exe
PID 2636 wrote to memory of 2612 N/A C:\Windows\SysWOW64\net.exe C:\Windows\SysWOW64\net1.exe
PID 2636 wrote to memory of 2612 N/A C:\Windows\SysWOW64\net.exe C:\Windows\SysWOW64\net1.exe
PID 2836 wrote to memory of 2800 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\NETSTAT.EXE
PID 2836 wrote to memory of 2800 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\NETSTAT.EXE
PID 2836 wrote to memory of 2800 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\NETSTAT.EXE
PID 2836 wrote to memory of 2800 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\NETSTAT.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\bebe00983a92f88509708b574af4247b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bebe00983a92f88509708b574af4247b_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 8729318d9cbf8846c2c5a7b0f7a977f0
SHA1 5c4358a8261b0655ce9aa2781be9e4af67218915
SHA256 2986118e911c211b30d89f5ff105567e882b20513ff728be3731ba5e42f903ea
SHA512 9dbbd52a66276f6571db514d20279db2acf0afa4b72d7fbb8ac152496bf8326e4d2baef31ba11ce64124833f6234cca8c0463daef0d3e8e507f2fb296ad0596e

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-04 17:47

Reported

2024-04-04 17:50

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bebe00983a92f88509708b574af4247b_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\bebe00983a92f88509708b574af4247b_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\bebe00983a92f88509708b574af4247b_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 4596 wrote to memory of 3632 N/A C:\Users\Admin\AppData\Local\Temp\bebe00983a92f88509708b574af4247b_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 4596 wrote to memory of 3632 N/A C:\Users\Admin\AppData\Local\Temp\bebe00983a92f88509708b574af4247b_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 4596 wrote to memory of 3632 N/A C:\Users\Admin\AppData\Local\Temp\bebe00983a92f88509708b574af4247b_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 3632 wrote to memory of 1860 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 3632 wrote to memory of 1860 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 3632 wrote to memory of 1860 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 3632 wrote to memory of 5048 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\ipconfig.exe
PID 3632 wrote to memory of 5048 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\ipconfig.exe
PID 3632 wrote to memory of 5048 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\ipconfig.exe
PID 3632 wrote to memory of 2024 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\tasklist.exe
PID 3632 wrote to memory of 2024 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\tasklist.exe
PID 3632 wrote to memory of 2024 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\tasklist.exe
PID 3632 wrote to memory of 1040 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\net.exe
PID 3632 wrote to memory of 1040 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\net.exe
PID 3632 wrote to memory of 1040 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\net.exe
PID 1040 wrote to memory of 4392 N/A C:\Windows\SysWOW64\net.exe C:\Windows\SysWOW64\net1.exe
PID 1040 wrote to memory of 4392 N/A C:\Windows\SysWOW64\net.exe C:\Windows\SysWOW64\net1.exe
PID 1040 wrote to memory of 4392 N/A C:\Windows\SysWOW64\net.exe C:\Windows\SysWOW64\net1.exe
PID 3632 wrote to memory of 2248 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\NETSTAT.EXE
PID 3632 wrote to memory of 2248 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\NETSTAT.EXE
PID 3632 wrote to memory of 2248 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\NETSTAT.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\bebe00983a92f88509708b574af4247b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bebe00983a92f88509708b574af4247b_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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 241.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 www.kvic.jp udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 57.162.23.2.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 35.34.16.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 10.179.89.13.in-addr.arpa udp

Files

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

MD5 dddaf0dd1082b6b981b95c4ad96d683a
SHA1 c2652b3038a9bef6f43453450b8240b901e2bab1
SHA256 c4a921116a3696a04c9e447a5310f5bca2a4f1bfaf98094f06559f14d23ffc76
SHA512 338ffc60dd3a3679fb4cfc5f72cd8f8ec11af5238e2deb100cbbb810dd7a6218f04d4b9aad26c9c437a6c094e138c47107cd3d4246fa17b4c0565aa39f991f41