Malware Analysis Report

2025-01-03 09:34

Sample ID 240604-eeccnacb8v
Target 938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118
SHA256 10886654aad09e418ee08c3383f36d7b3ddfeb0272c353a1523a25a0236ed452
Tags
bootkit persistence spyware stealer upx
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

10886654aad09e418ee08c3383f36d7b3ddfeb0272c353a1523a25a0236ed452

Threat Level: Shows suspicious behavior

The file 938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence spyware stealer upx

UPX packed file

Reads user/profile data of web browsers

Writes to the Master Boot Record (MBR)

Adds Run key to start application

Enumerates connected drives

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-04 03:50

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 03:50

Reported

2024-06-04 03:53

Platform

win7-20240221-en

Max time kernel

131s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe"

Signatures

Reads user/profile data of web browsers

spyware stealer

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
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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\ptpt3qvxx9uet\\Httdkgp.exe /Klaunchp" \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\n: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\p: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\r: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\v: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\a: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\g: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\h: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\s: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\t: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\u: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\e: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\i: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\k: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\q: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\y: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\z: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\b: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\l: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\m: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\x: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\j: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\o: \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
File opened (read-only) \??\w: \??\c:\ptpt3qvxx9uet\Httdkgp.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\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe N/A
File opened for modification \??\PHYSICALDRIVE0 \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
N/A N/A \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
Token: SeDebugPrivilege N/A \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
Token: SeDebugPrivilege N/A \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A
Token: SeDebugPrivilege N/A \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe N/A
N/A N/A \??\c:\ptpt3qvxx9uet\Httdkgp.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe"

\??\c:\ptpt3qvxx9uet\Httdkgp.exe

launch

Network

Country Destination Domain Proto
US 98.126.58.204:803 tcp
US 174.139.194.242:3201 tcp
US 98.126.58.203:805 tcp
US 98.126.58.203:805 tcp
US 98.126.58.204:803 tcp
US 98.126.58.203:805 tcp
US 98.126.58.203:805 tcp
US 174.139.194.242:3201 tcp
US 98.126.58.203:805 tcp
US 174.139.194.242:3201 tcp
US 98.126.58.203:805 tcp
US 174.139.194.242:3201 tcp
US 174.139.194.242:3201 tcp

Files

memory/2656-0-0x0000000000400000-0x0000000000421000-memory.dmp

memory/2656-1-0x00000000002D0000-0x00000000002D1000-memory.dmp

memory/2656-2-0x0000000010000000-0x0000000010021000-memory.dmp

memory/2656-4-0x0000000010000000-0x0000000010021000-memory.dmp

memory/2656-6-0x0000000010000000-0x0000000010021000-memory.dmp

memory/2656-5-0x0000000010000000-0x0000000010021000-memory.dmp

memory/2656-7-0x0000000000330000-0x0000000000351000-memory.dmp

memory/2908-12-0x0000000010000000-0x0000000010021000-memory.dmp

memory/2908-13-0x0000000010000000-0x0000000010021000-memory.dmp

memory/2908-19-0x0000000010000000-0x0000000010021000-memory.dmp

memory/2656-21-0x0000000000400000-0x0000000000421000-memory.dmp

memory/2656-24-0x0000000010000000-0x0000000010021000-memory.dmp

memory/2908-27-0x0000000000400000-0x0000000000421000-memory.dmp

memory/2656-26-0x0000000000330000-0x0000000000351000-memory.dmp

memory/2908-33-0x0000000010000000-0x0000000010021000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 03:50

Reported

2024-06-04 03:53

Platform

win10v2004-20240226-en

Max time kernel

152s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe"

Signatures

Reads user/profile data of web browsers

spyware stealer

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
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\EvtMgr = "c:\\4mvp\\Kaggbjn.exe /Klaunchp" \??\c:\4mvp\Kaggbjn.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\a: \??\c:\4mvp\Kaggbjn.exe N/A
File opened (read-only) \??\b: \??\c:\4mvp\Kaggbjn.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\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe N/A
File opened for modification \??\PHYSICALDRIVE0 \??\c:\4mvp\Kaggbjn.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 \??\c:\4mvp\Kaggbjn.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString \??\c:\4mvp\Kaggbjn.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A \??\c:\4mvp\Kaggbjn.exe N/A
N/A N/A \??\c:\4mvp\Kaggbjn.exe N/A
N/A N/A \??\c:\4mvp\Kaggbjn.exe N/A
N/A N/A \??\c:\4mvp\Kaggbjn.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A \??\c:\4mvp\Kaggbjn.exe N/A
Token: SeDebugPrivilege N/A \??\c:\4mvp\Kaggbjn.exe N/A
Token: SeDebugPrivilege N/A \??\c:\4mvp\Kaggbjn.exe N/A
Token: SeDebugPrivilege N/A \??\c:\4mvp\Kaggbjn.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe N/A
N/A N/A \??\c:\4mvp\Kaggbjn.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\938b38ef7f759bdccbbcae2a6740f28a_JaffaCakes118.exe"

\??\c:\4mvp\Kaggbjn.exe

launch

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=3688 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 174.139.194.242:3201 tcp
US 98.126.58.203:805 tcp
US 98.126.58.204:803 tcp
US 98.126.58.203:805 tcp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 56.94.73.104.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 98.126.58.203:805 tcp
US 174.139.194.242:3201 tcp
US 174.139.194.242:3201 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 174.139.194.242:3201 tcp
US 8.8.8.8:53 210.143.182.52.in-addr.arpa udp
US 174.139.194.242:3201 tcp

Files

memory/3264-0-0x0000000000400000-0x0000000000421000-memory.dmp

memory/3264-1-0x0000000002220000-0x0000000002221000-memory.dmp

memory/3264-2-0x0000000010000000-0x0000000010021000-memory.dmp

memory/3264-5-0x0000000010000000-0x0000000010021000-memory.dmp

memory/3264-4-0x0000000010000000-0x0000000010021000-memory.dmp

memory/3264-6-0x0000000010000000-0x0000000010021000-memory.dmp

memory/3264-7-0x0000000000400000-0x0000000000421000-memory.dmp

memory/4552-8-0x0000000000400000-0x0000000000421000-memory.dmp

memory/4552-14-0x0000000010000000-0x0000000010021000-memory.dmp

memory/4552-13-0x0000000000560000-0x0000000000561000-memory.dmp

memory/4552-15-0x0000000010000000-0x0000000010021000-memory.dmp

memory/3264-23-0x0000000000400000-0x0000000000421000-memory.dmp

memory/3264-27-0x0000000002220000-0x0000000002221000-memory.dmp

memory/3264-28-0x0000000010000000-0x0000000010021000-memory.dmp

memory/4552-30-0x0000000000400000-0x0000000000421000-memory.dmp

memory/4552-31-0x0000000010000000-0x0000000010021000-memory.dmp