bb0a56ce26bf02e627c28c0115d517fb9c4ec5aef5cc0177831a9cfc89c8199d

Analysis

max time kernel
92s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 11:25

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General

Target

b0eb0c2dd635350cd4a9c28620fdaa04_JaffaCakes118.exe
Size

348KB
MD5

b0eb0c2dd635350cd4a9c28620fdaa04
SHA1

fe1c029ad065ea041d30c976d1c73bc121718a63
SHA256

bb0a56ce26bf02e627c28c0115d517fb9c4ec5aef5cc0177831a9cfc89c8199d
SHA512

8b73adbc3088c7d208fe21b3818c1c05f4760f1d73d04b017872414113a510cfb896195674ba2a10cfa88d36988a3a45934ea89db54691dac6a483f07984971a
SSDEEP

6144:i4+FA+BAiMXHQur9MD7Lk9vtXyCLFlINvWLkNGPTd0owmYU/H68jPwb:3W+iMXHknLSvtbDLkNG1w+/HM

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

uninstall.exe

pid	Process
4200	uninstall.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

Processes:

b0eb0c2dd635350cd4a9c28620fdaa04_JaffaCakes118.exeuninstall.exe

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	b0eb0c2dd635350cd4a9c28620fdaa04_JaffaCakes118.exe
File opened for modification	\??\PhysicalDrive0	uninstall.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

b0eb0c2dd635350cd4a9c28620fdaa04_JaffaCakes118.exeuninstall.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b0eb0c2dd635350cd4a9c28620fdaa04_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninstall.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

uninstall.exe

pid	Process
4200	uninstall.exe
4200	uninstall.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

b0eb0c2dd635350cd4a9c28620fdaa04_JaffaCakes118.exeuninstall.exe

pid	Process
4488	b0eb0c2dd635350cd4a9c28620fdaa04_JaffaCakes118.exe
4200	uninstall.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b0eb0c2dd635350cd4a9c28620fdaa04_JaffaCakes118.exe

description	pid	Process	procid_target
PID 4488 wrote to memory of 4200	4488	b0eb0c2dd635350cd4a9c28620fdaa04_JaffaCakes118.exe	82
PID 4488 wrote to memory of 4200	4488	b0eb0c2dd635350cd4a9c28620fdaa04_JaffaCakes118.exe	82
PID 4488 wrote to memory of 4200	4488	b0eb0c2dd635350cd4a9c28620fdaa04_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\b0eb0c2dd635350cd4a9c28620fdaa04_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b0eb0c2dd635350cd4a9c28620fdaa04_JaffaCakes118.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Users\Admin\AppData\Local\Temp\uninstall.exe
  C:\Users\Admin\AppData\Local\Temp\uninstall.exe
  2⤵
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
348KB

MD5
b0eb0c2dd635350cd4a9c28620fdaa04

SHA1
fe1c029ad065ea041d30c976d1c73bc121718a63

SHA256
bb0a56ce26bf02e627c28c0115d517fb9c4ec5aef5cc0177831a9cfc89c8199d

SHA512
8b73adbc3088c7d208fe21b3818c1c05f4760f1d73d04b017872414113a510cfb896195674ba2a10cfa88d36988a3a45934ea89db54691dac6a483f07984971a

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