99fa562d88138bd3275a29b8cc6d0b62d7c7f48c04dc8e2fd81ceee121d84349

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2024, 01:48

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General

Target

2024-09-09_8cb5ffcc42040c5611064fb00a804884_cryptolocker.exe
Size

46KB
MD5

8cb5ffcc42040c5611064fb00a804884
SHA1

72490fae7470c07457910132d7818bb28d20c6da
SHA256

99fa562d88138bd3275a29b8cc6d0b62d7c7f48c04dc8e2fd81ceee121d84349
SHA512

1bf0defcca4a1023d7cdfecae002e001a5ffc8d41d95186c17c02f1640fcede2fcb365130fc2e08641a4f4568b96622d4160aea5250dd7d86dab34b7f10734a6
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9Hyz:X6QFElP6n+gJQMOtEvwDpjBmzDkWDtU

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	2024-09-09_8cb5ffcc42040c5611064fb00a804884_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1240	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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-09_8cb5ffcc42040c5611064fb00a804884_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3524 wrote to memory of 1240	3524	2024-09-09_8cb5ffcc42040c5611064fb00a804884_cryptolocker.exe	84
PID 3524 wrote to memory of 1240	3524	2024-09-09_8cb5ffcc42040c5611064fb00a804884_cryptolocker.exe	84
PID 3524 wrote to memory of 1240	3524	2024-09-09_8cb5ffcc42040c5611064fb00a804884_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-09_8cb5ffcc42040c5611064fb00a804884_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-09_8cb5ffcc42040c5611064fb00a804884_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3524
- 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:1240

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
46KB

MD5
8d34035e765ba8c15a888e6f4fe1aaee

SHA1
c96315709f4f215950a12707a9219299818e2758

SHA256
b7b51aa558fd35dada8e943fcc908cb668e0ef9fcb6af81ffbb842e7f78d9f54

SHA512
009863e94eac0e1136f1c6251c74145d9555908dd17d28752a8682a404441213eeee550e5bd54f944c66ef444ee4555b79702776566ef9a1a1cfae7f835c74e4

Download Submit
memory/1240-17-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/3524-0-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3524-1-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3524-2-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download