3a7f7d5381ee5e315ed9ce2ddc1b4211c46394774b5d48b9b15410ce7ff76d56

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 22:27

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General

Target

2024-10-13_a76cf6f414cf39b8b2905a88a5c2603b_cryptolocker.exe
Size

96KB
MD5

a76cf6f414cf39b8b2905a88a5c2603b
SHA1

6bab33dccc18c7b3e73e3a83277c59aebfd711aa
SHA256

3a7f7d5381ee5e315ed9ce2ddc1b4211c46394774b5d48b9b15410ce7ff76d56
SHA512

e2c123a6263ab40c20be7ff2d1ccab3735ad08501354ef99322edd36b36f998871795f8f18b08f7a5552f471e8c88e91df9f3b39019a2e402f30086906ae00c1
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNuj2GQs3w:V6a+pOtEvwDpjtzF

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	2024-10-13_a76cf6f414cf39b8b2905a88a5c2603b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
448	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	2024-10-13_a76cf6f414cf39b8b2905a88a5c2603b_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 448	1492	2024-10-13_a76cf6f414cf39b8b2905a88a5c2603b_cryptolocker.exe	85
PID 1492 wrote to memory of 448	1492	2024-10-13_a76cf6f414cf39b8b2905a88a5c2603b_cryptolocker.exe	85
PID 1492 wrote to memory of 448	1492	2024-10-13_a76cf6f414cf39b8b2905a88a5c2603b_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-13_a76cf6f414cf39b8b2905a88a5c2603b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_a76cf6f414cf39b8b2905a88a5c2603b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
96KB

MD5
4ca5b43fc6d7528c97d3cb9139f77a64

SHA1
8a403d9e50f2d76371c560b37a6e45839b28c677

SHA256
356cf2a41f7c2f509b40a10a6ef968097ef8db71bfe3f2ecc7e8999fc341bfb0

SHA512
56d733f9c7f5f52fe46c57de0695c35ad37c3e873d939ecce8e65ee4d41ab91a5ad1be581d560874a4983c659f5acc336efcac5a3a53cf2960c52fad5b662929

Download Submit
memory/448-18-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/448-17-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/1492-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1492-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1492-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download