cf57ea45d358ef7ffbd314ccb915fdeb4ecf7c4e0f2ed4640f479956414e0cdb

Analysis

max time kernel
149s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 02:04

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General

Target

b1ba1b28e6302847c2867143e9fb609b_JaffaCakes118.dll
Size

208KB
MD5

b1ba1b28e6302847c2867143e9fb609b
SHA1

9256246584488df86f4600398c3a22eaa6199879
SHA256

cf57ea45d358ef7ffbd314ccb915fdeb4ecf7c4e0f2ed4640f479956414e0cdb
SHA512

44b8550e38235a101af17271fc0f6d88091779efcaacf89c47730d95bf66f898a992511d6ee6776890a984e4621435a374874b7826902db0a56d4b3031805aff
SSDEEP

6144:Wimk1XMGkHh7Ygg+egF/QPhC7SM2Z+3NQJ:b8GkHhEdYUh0SMe6QJ

Score

8^/10

bootkit discovery persistence

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
30	1124	rundll32.exe

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\-4517-10150	rundll32.exe
File created	C:\Windows\SysWOW64\1a4	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 4320 wrote to memory of 1124	4320	rundll32.exe	84
PID 4320 wrote to memory of 1124	4320	rundll32.exe	84
PID 4320 wrote to memory of 1124	4320	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1ba1b28e6302847c2867143e9fb609b_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4320
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1ba1b28e6302847c2867143e9fb609b_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Writes to the Master Boot Record (MBR)
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1124

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/1124-0-0x0000000010000000-0x000000001011D000-memory.dmp

Filesize
1.1MB

Download
memory/1124-1-0x0000000000AF0000-0x0000000000AF2000-memory.dmp

Filesize
8KB

Download
memory/1124-5-0x0000000000AF0000-0x0000000000AF2000-memory.dmp

Filesize
8KB

Download
memory/1124-4-0x0000000010000000-0x000000001011D000-memory.dmp

Filesize
1.1MB

Download
memory/1124-6-0x0000000010000000-0x000000001011D000-memory.dmp

Filesize
1.1MB

Download
memory/1124-7-0x0000000010000000-0x000000001011D000-memory.dmp

Filesize
1.1MB

Download
memory/1124-9-0x0000000010000000-0x000000001011D000-memory.dmp

Filesize
1.1MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads