6e808a2337dca0da288b7805548475499ef64563bf4c02483b9ae16cf3c58eb0

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-04-2024 17:50

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General

Target

fad9248a4349550590eca0809704a99f_JaffaCakes118.dll
Size

84KB
MD5

fad9248a4349550590eca0809704a99f
SHA1

f4bb9a9897e1f9076799da358a843de884b394f6
SHA256

6e808a2337dca0da288b7805548475499ef64563bf4c02483b9ae16cf3c58eb0
SHA512

368c1b05c97da6e0532501c6ce99cd30b5d958fcbbd6ccb85e52fb50afc689f159f9fdb57d421828cd78c0da3bbadc23a89cee8e33baac12a13bc226e11f3e72
SSDEEP

1536:yOPcxoyjqCN+4BWyX0ncZCSfb6qr3pVteh5C:t6L7EyX0lSfb6+3deq

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 2008 wrote to memory of 2184	2008	rundll32.exe	rundll32.exe
PID 2008 wrote to memory of 2184	2008	rundll32.exe	rundll32.exe
PID 2008 wrote to memory of 2184	2008	rundll32.exe	rundll32.exe
PID 2008 wrote to memory of 2184	2008	rundll32.exe	rundll32.exe
PID 2008 wrote to memory of 2184	2008	rundll32.exe	rundll32.exe
PID 2008 wrote to memory of 2184	2008	rundll32.exe	rundll32.exe
PID 2008 wrote to memory of 2184	2008	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fad9248a4349550590eca0809704a99f_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fad9248a4349550590eca0809704a99f_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/2184-0-0x0000000000120000-0x0000000000129000-memory.dmp

Filesize
36KB

Download
memory/2184-3-0x0000000000120000-0x0000000000129000-memory.dmp

Filesize
36KB

Download