a429b4f601fa6bebc582d9df1efa186767e44e8de601ea1a35e2d55c8bb6d259

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
06/09/2024, 11:30

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General

Target

2024-09-06_ca2b32a48d3babb59153dbbbc1a4e347_cryptolocker.exe
Size

77KB
MD5

ca2b32a48d3babb59153dbbbc1a4e347
SHA1

b3a64ec6c726937120494a40b7f3e4c48ddc9a1e
SHA256

a429b4f601fa6bebc582d9df1efa186767e44e8de601ea1a35e2d55c8bb6d259
SHA512

e5f596c38814c1dc3cb9716edf5d723a78887db90ca63b22e39a6f2ccc8938b03654632d3d33884214d5de5c14d20540615ee714549b6818c85d2e04eaa24890
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsA:X6a+SOtEvwDpjBZYvQd2n

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-06_ca2b32a48d3babb59153dbbbc1a4e347_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1180	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	2024-09-06_ca2b32a48d3babb59153dbbbc1a4e347_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 2356 wrote to memory of 1180	2356	2024-09-06_ca2b32a48d3babb59153dbbbc1a4e347_cryptolocker.exe	85
PID 2356 wrote to memory of 1180	2356	2024-09-06_ca2b32a48d3babb59153dbbbc1a4e347_cryptolocker.exe	85
PID 2356 wrote to memory of 1180	2356	2024-09-06_ca2b32a48d3babb59153dbbbc1a4e347_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-06_ca2b32a48d3babb59153dbbbc1a4e347_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-06_ca2b32a48d3babb59153dbbbc1a4e347_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2356
- 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:1180

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

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Downloads

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

Filesize
77KB

MD5
ec8468d9f190ca496c3a176c6e068626

SHA1
0527185eaaef4ced3faa6294c0e722332aa44ded

SHA256
e6c887b172a96970701ecc6f4b073bf953fb99b2987b4ad04f7c109f3cf8bd49

SHA512
8b3da34adf4cfb94b6ffbb774ec23fcbb8ac3aab72d1dda5fbdf41833c3afb3c4d3ae0eda0620e7de41b8c6ee1c3fd501ee3bd6456fb1971cd8d9391273b9909

Download Submit
memory/1180-17-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/1180-23-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/2356-0-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/2356-1-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/2356-2-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download