1db686635bcdde30163e1e624c4d8f107fd2a20507690151c69cc6a0c482207a

Resubmissions

25-08-2024 18:22

240825-wz42vazajp 10

20-08-2024 14:02

240820-rcbdsszapk 7

Analysis

max time kernel
136s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-08-2024 14:02

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Report Analysis Logs

General

Target

nvidia.dll
Size

701KB
MD5

8703a1209bd5be3e9c15eb4e5db332de
SHA1

0e110df37f6315f3a76b12714afcc55323563388
SHA256

1db686635bcdde30163e1e624c4d8f107fd2a20507690151c69cc6a0c482207a
SHA512

2dbd2753264091580055bbbcde0c6de15c3eaa593f1c1eabf0d65cc886298149798dde80259058090b2bbb446dfab27589d90fe3f92411721d90c81c9234b9c4
SSDEEP

12288:MxoevQe9z3gFRpto9dqdUbkXlBWMbM9q2xsEX9Tmo8w7jkPpzGL8SCU2o3Fa52xg:Mx1vQeaLzGL8SCdYnW

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2908	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1116	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2908	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 1116	2908	rundll32.exe	86
PID 2908 wrote to memory of 1116	2908	rundll32.exe	86

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\nvidia.dll,#1
1⤵
- Deletes itself
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\system32\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_2bc585e8.dll", #1
  2⤵
  - Loads dropped DLL
  PID:1116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Custom_update\Update_2bc585e8.dll

Filesize
701KB

MD5
8703a1209bd5be3e9c15eb4e5db332de

SHA1
0e110df37f6315f3a76b12714afcc55323563388

SHA256
1db686635bcdde30163e1e624c4d8f107fd2a20507690151c69cc6a0c482207a

SHA512
2dbd2753264091580055bbbcde0c6de15c3eaa593f1c1eabf0d65cc886298149798dde80259058090b2bbb446dfab27589d90fe3f92411721d90c81c9234b9c4

Download Submit
memory/1116-6-0x00000277C68B0000-0x00000277C68C6000-memory.dmp

Filesize
88KB

Download
memory/2908-0-0x00000231BCF60000-0x00000231BCF76000-memory.dmp

Filesize
88KB

Download
memory/2908-2-0x0000000180000000-0x00000001800BA000-memory.dmp

Filesize
744KB

Download
memory/2908-4-0x00000231BCF60000-0x00000231BCF76000-memory.dmp

Filesize
88KB

Download