4ca3124be3367f47f0a9e0ab9eeea301802519c1ecabe8e0ba221b5c15c0ff18

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 16:53

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General

Target

75048be6717f7fb584a901bc72a1a2ae.dll
Size

58KB
MD5

75048be6717f7fb584a901bc72a1a2ae
SHA1

f8d6e57f800a0e8cfbed0de4acf41862dbe14034
SHA256

4ca3124be3367f47f0a9e0ab9eeea301802519c1ecabe8e0ba221b5c15c0ff18
SHA512

2b841833977c1beeb7c4627c9075ddab687ee05570fbd1ce3bb93584a76e8f9070605e4774fc4f8cd6c680cba516228e1b77cadab682d2ab3c7b29be55faa541
SSDEEP

768:juRb4ogu1TCtocJJ4KmQF+daspnPcl1rQdr6TE4TzcrAFVSL0509KM2xPh2:juNiGHcJJdF+daspnP0nTEVo5woph2

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

2060 rundll32.exe

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

pid	process
2060	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2216 wrote to memory of 2060	2216	rundll32.exe	rundll32.exe
PID 2216 wrote to memory of 2060	2216	rundll32.exe	rundll32.exe
PID 2216 wrote to memory of 2060	2216	rundll32.exe	rundll32.exe
PID 2216 wrote to memory of 2060	2216	rundll32.exe	rundll32.exe
PID 2216 wrote to memory of 2060	2216	rundll32.exe	rundll32.exe
PID 2216 wrote to memory of 2060	2216	rundll32.exe	rundll32.exe
PID 2216 wrote to memory of 2060	2216	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\75048be6717f7fb584a901bc72a1a2ae.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2216

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\75048be6717f7fb584a901bc72a1a2ae.dll,#1
2⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:2060

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/2060-0-0x0000000000100000-0x0000000000109000-memory.dmp

Filesize
36KB

Download
memory/2060-3-0x0000000000100000-0x0000000000109000-memory.dmp

Filesize
36KB

Download