aa09962412e443b7eaa17624c5958580eb5273e7a7338a936da06d7aef47b4f8

Analysis

max time kernel
149s
max time network
28s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 18:03

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General

Target

b043882bfa00481dfef7fa646f24c120_JaffaCakes118.dll
Size

448KB
MD5

b043882bfa00481dfef7fa646f24c120
SHA1

7e737bee41388a2647f59e988b57f22b8f1adef3
SHA256

aa09962412e443b7eaa17624c5958580eb5273e7a7338a936da06d7aef47b4f8
SHA512

05686c179e6fc4adba46c7652e9e21516456f6fa11a0bc23d619fd4604a7582f2af4baa256e31ae44ce4f001b7be8c317ca658ebb143d2ba75ca29e8a2f46242
SSDEEP

12288:/sGiU0qAqgM9Q7gkC2Xrqm4r448ZclGeqRJr6u5KBi:/s/UIOier4JZoqJuu5KBi

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

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

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

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\118121-7999	rundll32.exe
File created	C:\Windows\SysWOW64\1f0d	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 1120	2256	rundll32.exe	29
PID 2256 wrote to memory of 1120	2256	rundll32.exe	29
PID 2256 wrote to memory of 1120	2256	rundll32.exe	29
PID 2256 wrote to memory of 1120	2256	rundll32.exe	29
PID 2256 wrote to memory of 1120	2256	rundll32.exe	29
PID 2256 wrote to memory of 1120	2256	rundll32.exe	29
PID 2256 wrote to memory of 1120	2256	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b043882bfa00481dfef7fa646f24c120_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b043882bfa00481dfef7fa646f24c120_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1120

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

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads