e23a1ae79d76a45939b6df47f085d2a107db6c5e85af0028611b6b1d1acf29f1

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 02:42

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General

Target

2024-09-14_3a4a4b66d89920d9531318fc1660ad67_cryptolocker.exe
Size

63KB
MD5

3a4a4b66d89920d9531318fc1660ad67
SHA1

22454375a00f7e6bd0195ead40ad58a1816868b0
SHA256

e23a1ae79d76a45939b6df47f085d2a107db6c5e85af0028611b6b1d1acf29f1
SHA512

1b9f71583454d9572d0fbc4a3e23d973132e6dead5d33800f159dcd421652342b12d72a01865a7c7af562c3e9d3d2acbe29513a08cd1e9174c31427d447a1726
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVCbt5A/3g/6:V6a+pOtEvwDpjvh

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	2024-09-14_3a4a4b66d89920d9531318fc1660ad67_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1776	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	2024-09-14_3a4a4b66d89920d9531318fc1660ad67_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 2576 wrote to memory of 1776	2576	2024-09-14_3a4a4b66d89920d9531318fc1660ad67_cryptolocker.exe	83
PID 2576 wrote to memory of 1776	2576	2024-09-14_3a4a4b66d89920d9531318fc1660ad67_cryptolocker.exe	83
PID 2576 wrote to memory of 1776	2576	2024-09-14_3a4a4b66d89920d9531318fc1660ad67_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-09-14_3a4a4b66d89920d9531318fc1660ad67_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-14_3a4a4b66d89920d9531318fc1660ad67_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576
- 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:1776

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
63KB

MD5
42c887450b7932a7eaf50dbe965bb923

SHA1
8b93db63a6208522a268c38457e2c0d518508c65

SHA256
e7557d5b8bbd40c1ffbed5cf4951cf8bbc8277a8a610cee7b46f56905e0f6267

SHA512
c9f0b104158ce0a8d2ac57fcf31bebb775ed4a8cd36f1604132f408b9a65ed99ad708d7166789604bd860d19f6582cef2a8a6ba3b7dae3699972815e3454567d

Download Submit
memory/1776-17-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/2576-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2576-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2576-2-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download