ebaafee0b4217d0f22c38479bced649ddf5c8c71f9fc9c2baab28c0e245a2094

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 15:35

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General

Target

682839ab9c67f896ef3b39af67d879dc_JaffaCakes118.dll
Size

448KB
MD5

682839ab9c67f896ef3b39af67d879dc
SHA1

b0f7e307b04cbc44d3630d01d85fc82873416efd
SHA256

ebaafee0b4217d0f22c38479bced649ddf5c8c71f9fc9c2baab28c0e245a2094
SHA512

c28e2bf714f25423585bb69ebdfe361767d62d8627b4ba8ee5c1409b1e51add8f49a46152feda0e696a20995d02ec5c7332445f1723cd7bdca2d15503febf334
SSDEEP

6144:rYjUumbGmuuJmsSjd4DOw74AZUedkdBdsgsUdla/7lJw3G4eEUFTFU2jgtor:rYjUumb8gmsSJ4DtbGedMBdoUbsJSpwD

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\68a	rundll32.exe
File created	C:\Windows\SysWOW64\-61-339739	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 3 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 4484	3680	rundll32.exe	84
PID 3680 wrote to memory of 4484	3680	rundll32.exe	84
PID 3680 wrote to memory of 4484	3680	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\682839ab9c67f896ef3b39af67d879dc_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\682839ab9c67f896ef3b39af67d879dc_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:4484

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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