4d18d869f2a9387b924adcd9b2401ce866173726e9d1fd8044ca50969637a1ab

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 07:54

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General

Target

aacdec.dll
Size

89KB
MD5

1950a5b8cb00e5c82023038e2bdb79c8
SHA1

01f45d1e05899b3d3634a8f17b4c9fad5b4f4946
SHA256

eeb7e2f15f7ed2868eda0f2187acea82cce714bac4af363052defdd5e12caebd
SHA512

5790ba8fb3ca35237973d02d0f817a90e1bd98a0b84147e28c82dbb33b4f5eceb4c850185a1191f738a7cea3dd0fb4d69a235653fd637cd2c6b79ec189a2eaca
SSDEEP

1536:Zx+X70QdpCB6faUJhVtZpbn/qVDbPSKTwKfCSGitiBYMEjhwrDdXVzjX:mX70UggfaKjtL/IPSfutt0YMEsX1jX

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 2148	1876	rundll32.exe	31
PID 1876 wrote to memory of 2148	1876	rundll32.exe	31
PID 1876 wrote to memory of 2148	1876	rundll32.exe	31
PID 1876 wrote to memory of 2148	1876	rundll32.exe	31
PID 1876 wrote to memory of 2148	1876	rundll32.exe	31
PID 1876 wrote to memory of 2148	1876	rundll32.exe	31
PID 1876 wrote to memory of 2148	1876	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aacdec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\aacdec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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