d1085fff4b8f680a6d87b7742538717676458990ae6f6e7d86e6c02b97f0ff35

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 07:45

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General

Target

1a7bdff55777a6722d93c2f7858e340e_JaffaCakes118.dll
Size

88KB
MD5

1a7bdff55777a6722d93c2f7858e340e
SHA1

e3024944446fa13cbe00ac8cedcc0ec584e72521
SHA256

d1085fff4b8f680a6d87b7742538717676458990ae6f6e7d86e6c02b97f0ff35
SHA512

8b7c97f1f6f6604874dda1198dc9f05ceef28aaec4eae289caa133d119b219a539e7fdbc1380d793d1ffad0729a448dc01afe4a72af95b323249363b65d75b58
SSDEEP

1536:6zvXT0l1LoW01FyEHMgQ4QnQEjtMMhJzQ2MelyoZ+PRbcV/q:EjoxNAfsgxiQEjFn3TZ+VAy

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

Processes:

rundll32.exe

description ioc process

File opened for modification \??\PhysicalDrive0 rundll32.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

2184 rundll32.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

pid	process
2184	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2364 wrote to memory of 2184	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 2184	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 2184	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 2184	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 2184	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 2184	2364	rundll32.exe	rundll32.exe
PID 2364 wrote to memory of 2184	2364	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a7bdff55777a6722d93c2f7858e340e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2364

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a7bdff55777a6722d93c2f7858e340e_JaffaCakes118.dll,#1
2⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:2184

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2184-3-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

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memory/2184-0-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

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