63e58c2a3c277ea1a80e0d57b0c9ed27dafc0678f742bd4f63242a705259ae79

Analysis

max time kernel
148s
max time network
124s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
26/07/2024, 13:07

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General

Target

742e2fb64491f23402a849ba6935b244_JaffaCakes118.dll
Size

208KB
MD5

742e2fb64491f23402a849ba6935b244
SHA1

2868e06a0c84a8f2414c71973887c67d75f716fb
SHA256

63e58c2a3c277ea1a80e0d57b0c9ed27dafc0678f742bd4f63242a705259ae79
SHA512

57efeb26d36ea65cb3a07033d51dac0fcf500093009ffac09a7aa87ff6e41752d48cb2c87bb5fb947110935415be7e24a456f996af9cab81ca9e217fdeadb5ea
SSDEEP

6144:oe7iUemtL8pgSUM3/fihTiBvXSvyPRAb:lflWpgSUMC8gvyab

Score

8^/10

bootkit discovery persistence

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
6	2744	rundll32.exe
7	2744	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\5142-122101	rundll32.exe
File created	C:\Windows\SysWOW64\035	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 2676 wrote to memory of 2744	2676	rundll32.exe	30
PID 2676 wrote to memory of 2744	2676	rundll32.exe	30
PID 2676 wrote to memory of 2744	2676	rundll32.exe	30
PID 2676 wrote to memory of 2744	2676	rundll32.exe	30
PID 2676 wrote to memory of 2744	2676	rundll32.exe	30
PID 2676 wrote to memory of 2744	2676	rundll32.exe	30
PID 2676 wrote to memory of 2744	2676	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\742e2fb64491f23402a849ba6935b244_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\742e2fb64491f23402a849ba6935b244_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:2744

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/2744-1-0x0000000010000000-0x000000001011E000-memory.dmp

Filesize
1.1MB

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memory/2744-3-0x000000001011B000-0x000000001011C000-memory.dmp

Filesize
4KB

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memory/2744-2-0x0000000010000000-0x000000001011E000-memory.dmp

Filesize
1.1MB

Download
memory/2744-5-0x0000000010000000-0x000000001011E000-memory.dmp

Filesize
1.1MB

Download
memory/2744-6-0x0000000010000000-0x000000001011E000-memory.dmp

Filesize
1.1MB

Download
memory/2744-11-0x0000000010000000-0x000000001011E000-memory.dmp

Filesize
1.1MB

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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