Malware Analysis Report

2025-06-15 19:32

Sample ID 240602-bxfagsec7s
Target 8c772b7670b396311dada06ee1897f6a_JaffaCakes118
SHA256 7d544935866dfd68b1412a1ddeaa5c37e61d1447ce98ab1d742c2fc62c9acb73
Tags
upx discovery 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

7d544935866dfd68b1412a1ddeaa5c37e61d1447ce98ab1d742c2fc62c9acb73

Threat Level: Shows suspicious behavior

The file 8c772b7670b396311dada06ee1897f6a_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx discovery persistence

UPX packed file

Checks installed software on the system

Adds Run key to start application

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

Suspicious behavior: LoadsDriver

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-02 01:31

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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 01:31

Reported

2024-06-02 01:33

Platform

win7-20240221-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8c772b7670b396311dada06ee1897f6a_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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\8c772b7670b396311dada06ee1897f6a_jaffacakes118 = "c:\\windows\\8c772b7670b396311dada06ee1897f6a_jaffacakes118.exe -m" C:\Users\Admin\AppData\Local\Temp\8c772b7670b396311dada06ee1897f6a_JaffaCakes118.exe N/A

Checks installed software on the system

discovery

Drops file in Windows directory

Description Indicator Process Target
File created \??\c:\windows\8c772b7670b396311dada06ee1897f6a_jaffacakes118.exe C:\Users\Admin\AppData\Local\Temp\8c772b7670b396311dada06ee1897f6a_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\8c772b7670b396311dada06ee1897f6a_jaffacakes118.exe C:\Users\Admin\AppData\Local\Temp\8c772b7670b396311dada06ee1897f6a_JaffaCakes118.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\8c772b7670b396311dada06ee1897f6a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8c772b7670b396311dada06ee1897f6a_JaffaCakes118.exe"

Network

N/A

Files

memory/3068-0-0x0000000000400000-0x0000000000426000-memory.dmp

C:\Windows\8c772b7670b396311dada06ee1897f6a_jaffacakes118.exe

MD5 8c772b7670b396311dada06ee1897f6a
SHA1 cb133c3c7c681521531813ca939dee05d3de4b88
SHA256 7d544935866dfd68b1412a1ddeaa5c37e61d1447ce98ab1d742c2fc62c9acb73
SHA512 f512a5e16aa8d84eec213258d73cafc57796bcaeb664d7052f901d0f7b5abd4a1203c31a8779cd3a53d0f2316a6535ba5db9eec1d31c27451f71bf2da5f2affb

memory/3068-9-0x0000000000330000-0x0000000000340000-memory.dmp

memory/3068-4-0x0000000000330000-0x0000000000340000-memory.dmp

memory/3068-12-0x0000000000400000-0x0000000000426000-memory.dmp

memory/3068-13-0x0000000000330000-0x0000000000332000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 01:31

Reported

2024-06-02 01:33

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

163s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8c772b7670b396311dada06ee1897f6a_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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8c772b7670b396311dada06ee1897f6a_jaffacakes118 = "c:\\windows\\8c772b7670b396311dada06ee1897f6a_jaffacakes118.exe -m" C:\Users\Admin\AppData\Local\Temp\8c772b7670b396311dada06ee1897f6a_JaffaCakes118.exe N/A

Checks installed software on the system

discovery

Drops file in Windows directory

Description Indicator Process Target
File created \??\c:\windows\8c772b7670b396311dada06ee1897f6a_jaffacakes118.exe C:\Users\Admin\AppData\Local\Temp\8c772b7670b396311dada06ee1897f6a_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\8c772b7670b396311dada06ee1897f6a_jaffacakes118.exe C:\Users\Admin\AppData\Local\Temp\8c772b7670b396311dada06ee1897f6a_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: LoadsDriver

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
N/A N/A N/A N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8c772b7670b396311dada06ee1897f6a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8c772b7670b396311dada06ee1897f6a_JaffaCakes118.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3772 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 164.189.21.2.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 216.58.212.202:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 202.212.58.216.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 10.179.89.13.in-addr.arpa udp

Files

memory/1152-0-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1152-2-0x0000000000400000-0x0000000000426000-memory.dmp

C:\Windows\8c772b7670b396311dada06ee1897f6a_jaffacakes118.exe

MD5 8c772b7670b396311dada06ee1897f6a
SHA1 cb133c3c7c681521531813ca939dee05d3de4b88
SHA256 7d544935866dfd68b1412a1ddeaa5c37e61d1447ce98ab1d742c2fc62c9acb73
SHA512 f512a5e16aa8d84eec213258d73cafc57796bcaeb664d7052f901d0f7b5abd4a1203c31a8779cd3a53d0f2316a6535ba5db9eec1d31c27451f71bf2da5f2affb

memory/1152-9-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1152-13-0x0000000000400000-0x0000000000426000-memory.dmp