8dd82c43ba97cc560443015719be8d04ae5ae5b0b37a6d8a19c12010400f9391

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-07-2024 09:25

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General

Target

280adb04b227f0411a4f2f312cab2cab_JaffaCakes118.dll
Size

156KB
MD5

280adb04b227f0411a4f2f312cab2cab
SHA1

7f9f5da929cf205592b5bf3fcbc824d1a92a157f
SHA256

8dd82c43ba97cc560443015719be8d04ae5ae5b0b37a6d8a19c12010400f9391
SHA512

55a77315c1d3c2decb8e469d37f975c42cc49c028f714b3d80d4bd33a9c1e3b0fe0d2052620b059f6063963ed4224d00829003bed51fd6484bbdb8cd8382b8d5
SSDEEP

3072:BXjJOslnKFFE8U5s8t6REfTKOXpjnMOUBuyNEzPjJQMh6Owb+77:VJOwj858tFTKO4OUBgJlmba

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1624	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 1624	1244	rundll32.exe	28
PID 1244 wrote to memory of 1624	1244	rundll32.exe	28
PID 1244 wrote to memory of 1624	1244	rundll32.exe	28
PID 1244 wrote to memory of 1624	1244	rundll32.exe	28
PID 1244 wrote to memory of 1624	1244	rundll32.exe	28
PID 1244 wrote to memory of 1624	1244	rundll32.exe	28
PID 1244 wrote to memory of 1624	1244	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\280adb04b227f0411a4f2f312cab2cab_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\280adb04b227f0411a4f2f312cab2cab_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:1624

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

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1624-0-0x00000000000C0000-0x00000000000CA000-memory.dmp

Filesize
40KB

Download
memory/1624-1-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download
memory/1624-5-0x00000000000C0000-0x00000000000CA000-memory.dmp

Filesize
40KB

Download