2108b2a1f7b7605c64d2ad79eb0f3fcafd3415c7e8c8842bedc4841da1e800e3

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 02:03

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General

Target

829f9f129e89a5fb5052eed097498c70_JaffaCakes118.dll
Size

161KB
MD5

829f9f129e89a5fb5052eed097498c70
SHA1

3b42d9798ae324bcde554cc0efb05f98262fd428
SHA256

2108b2a1f7b7605c64d2ad79eb0f3fcafd3415c7e8c8842bedc4841da1e800e3
SHA512

6edd4224ee8c0a02cd829a16a50013fa3aacff51e10ad52b22dadf13e8a2ea45c6e49652311e2f25b63774fc7da29c7c9f990778ce7e2e92ce2f92f3ae931191
SSDEEP

3072:PZFkmvfYfe96HM0XU+aDembri59tuvdZhhL/H0XpmT9X+pf/GPj6VQu68W/:hbXYWn+aCP0vdZhhL0MT0pf/qUQz/

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

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

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2240	2080	rundll32.exe	30
PID 2080 wrote to memory of 2240	2080	rundll32.exe	30
PID 2080 wrote to memory of 2240	2080	rundll32.exe	30
PID 2080 wrote to memory of 2240	2080	rundll32.exe	30
PID 2080 wrote to memory of 2240	2080	rundll32.exe	30
PID 2080 wrote to memory of 2240	2080	rundll32.exe	30
PID 2080 wrote to memory of 2240	2080	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\829f9f129e89a5fb5052eed097498c70_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\829f9f129e89a5fb5052eed097498c70_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2240

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

memory/2240-1-0x0000000010000000-0x0000000010031000-memory.dmp

Filesize
196KB

Download
memory/2240-0-0x0000000010000000-0x0000000010031000-memory.dmp

Filesize
196KB

Download
memory/2240-3-0x0000000010000000-0x0000000010031000-memory.dmp

Filesize
196KB

Download
memory/2240-2-0x000000001000D000-0x000000001000E000-memory.dmp

Filesize
4KB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads