9d57a2747b49f8614276bb2d40d6e01abc6e6470077942521b1653c624430970

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 19:10

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General

Target

c9637aa67fda7b0a85c88adaf2af989b.dll
Size

14KB
MD5

c9637aa67fda7b0a85c88adaf2af989b
SHA1

ad5a653c6ceba74d39d8c8033df0a68d8bb20928
SHA256

9d57a2747b49f8614276bb2d40d6e01abc6e6470077942521b1653c624430970
SHA512

bcf94710254a9262db270b7b2aa545aa66210fce0f2b663ac078a3e03ab323eb67478afada435435017eae51b5d3fbb9c34de54621eab81e99c61792c13dcf9f
SSDEEP

192:IIJ/hqtlTcfAuS3dy7aauxO5mtxodUJ+hF1Rjj08O3mPbWGGKP5m4cm8:nphqbTKSNkaa0O5mbohlRjXzWY8

Score

8^/10

persistence

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
73	1152	rundll32.exe
78	1152	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1152	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\system32\\system.exe"	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 1152	2900	rundll32.exe	89
PID 2900 wrote to memory of 1152	2900	rundll32.exe	89
PID 2900 wrote to memory of 1152	2900	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9637aa67fda7b0a85c88adaf2af989b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9637aa67fda7b0a85c88adaf2af989b.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Adds Run key to start application
  PID:1152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\6C95.tmp

Filesize
4.3MB

MD5
6c7cdd25c2cb0073306eb22aebfc663f

SHA1
a1eba8ab49272b9852fe6a543677e8af36271248

SHA256
58280e3572333f97a7cf9f33e8d31dc26a98b6535965ebd0bde82249fc9bf705

SHA512
17344e07b9e9b2cd6ae4237d7f310732462f9cbb8656883607d7a1a4090e869265f92a6da1718dee50b1375b91583de60c6bd9e7e8db6b6e45e33f4b894365d6

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads