Malware Analysis Report

2025-01-03 09:27

Sample ID 240604-z413jacd96
Target 964a19285756fc467f741ca4da3bad59_JaffaCakes118
SHA256 04fad4d929db78ec330405ded8d56b42ebd8edc006a84ddf32b029c3976fd777
Tags
upx bootkit 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

04fad4d929db78ec330405ded8d56b42ebd8edc006a84ddf32b029c3976fd777

Threat Level: Shows suspicious behavior

The file 964a19285756fc467f741ca4da3bad59_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx bootkit persistence

UPX packed file

Writes to the Master Boot Record (MBR)

Enumerates connected drives

Drops file in Program Files directory

Unsigned PE

Modifies system certificate store

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-04 21:17

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 21:17

Reported

2024-06-04 21:19

Platform

win7-20240221-en

Max time kernel

141s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe"

Signatures

UPX packed file

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

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\SAItest.txt C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 csc3-2004-crl.verisign.com udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 cfgi.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp

Files

memory/1932-0-0x0000000000400000-0x0000000000477000-memory.dmp

memory/1932-17-0x0000000000400000-0x0000000000477000-memory.dmp

memory/1932-20-0x0000000000400000-0x0000000000477000-memory.dmp

memory/1932-24-0x0000000000400000-0x0000000000477000-memory.dmp

memory/1932-29-0x0000000000400000-0x0000000000477000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 21:17

Reported

2024-06-04 21:19

Platform

win10v2004-20240426-en

Max time kernel

94s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe"

Signatures

UPX packed file

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

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\742C3192E607E424EB4549542BE1BBC53E6174E2 C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\742C3192E607E424EB4549542BE1BBC53E6174E2\Blob = 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 C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\964a19285756fc467f741ca4da3bad59_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv 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 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 tei.clickpotato.tv udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 34.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/4656-0-0x0000000000400000-0x0000000000477000-memory.dmp

memory/4656-5-0x0000000000400000-0x0000000000477000-memory.dmp

memory/4656-6-0x0000000000400000-0x0000000000477000-memory.dmp

memory/4656-7-0x0000000000400000-0x0000000000477000-memory.dmp

memory/4656-10-0x0000000000400000-0x0000000000477000-memory.dmp