9d57a2747b49f8614276bb2d40d6e01abc6e6470077942521b1653c624430970

Analysis

max time kernel
149s
max time network
143s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-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
6	2132	rundll32.exe
7	2132	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2132	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 7 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2132	2260	rundll32.exe	28
PID 2260 wrote to memory of 2132	2260	rundll32.exe	28
PID 2260 wrote to memory of 2132	2260	rundll32.exe	28
PID 2260 wrote to memory of 2132	2260	rundll32.exe	28
PID 2260 wrote to memory of 2132	2260	rundll32.exe	28
PID 2260 wrote to memory of 2132	2260	rundll32.exe	28
PID 2260 wrote to memory of 2132	2260	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9637aa67fda7b0a85c88adaf2af989b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2260
- 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:2132

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

\Users\Admin\AppData\Local\Temp\1564.tmp

Filesize
1.7MB

MD5
b5eb5bd3066959611e1f7a80fd6cc172

SHA1
6fb1532059212c840737b3f923a9c0b152c0887a

SHA256
1ffb68a66f28f604adcae9c135f8dcf301316ab7fda8ebd294583c56dd26f7cc

SHA512
6c0743e0ff4922e859ba66b68040ab994dbae33e80c63ce8c993ad31a0c7aad6c6467484da1550063214953cd641dbf597438dd0c02f24164505d88ca80ea1b6

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads