9dc0c7070bc8f96ea42a36a02dd477d86308c1465a8af201d4935bda8eaf3788

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/01/2024, 03:39

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General

Target

669a568a130c0fb05a26126d1a50f726.dll
Size

76KB
MD5

669a568a130c0fb05a26126d1a50f726
SHA1

ccf9cc826d156b0edbd5162ed83cc649dc50115b
SHA256

9dc0c7070bc8f96ea42a36a02dd477d86308c1465a8af201d4935bda8eaf3788
SHA512

534777157ba9568a87dcc59131f8b7345c213a829948bbb7a0d887b26495b10fabfdb3ef717499db9cda66f3accdb77e0a54c040c832cd9c4c2d97cbdeafaf8c
SSDEEP

768:OyYc0E7Yvz24EBhOY19bgCg601yq7Dh9mtDx1ySAqBctdjYTR57BxBIYrhKOoOCH:OJBvgn19vcDh9mtDwkcrGR5zE9Z80La

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
2288	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2288	2252	rundll32.exe	28
PID 2252 wrote to memory of 2288	2252	rundll32.exe	28
PID 2252 wrote to memory of 2288	2252	rundll32.exe	28
PID 2252 wrote to memory of 2288	2252	rundll32.exe	28
PID 2252 wrote to memory of 2288	2252	rundll32.exe	28
PID 2252 wrote to memory of 2288	2252	rundll32.exe	28
PID 2252 wrote to memory of 2288	2252	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\669a568a130c0fb05a26126d1a50f726.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\669a568a130c0fb05a26126d1a50f726.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:2288

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/2288-0-0x0000000000160000-0x0000000000169000-memory.dmp

Filesize
36KB

Download
memory/2288-3-0x0000000000160000-0x0000000000169000-memory.dmp

Filesize
36KB

Download