aae4df3cd2d2e36ecbaa00ba55a456a139b371bb7ce8ecad4ac2f41b50c93401

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
08/07/2024, 20:31

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General

Target

2024-07-08_a43e897fbf520c8d94c23791fc0fe8a0_cryptolocker.exe
Size

48KB
MD5

a43e897fbf520c8d94c23791fc0fe8a0
SHA1

074c1f9b8e965c48b08be833c8d3c66d92e104e3
SHA256

aae4df3cd2d2e36ecbaa00ba55a456a139b371bb7ce8ecad4ac2f41b50c93401
SHA512

bff950caeea6a51f47e97b2549d8e396cf2cdb4e16e4f48d53566594fc8c87835390dc5d443bdae8a767e3b6fc4e8f822be4b9d36bcd0cf5274476d5b90fbe78
SSDEEP

768:79inqyNR/QtOOtEvwDpjBKccJVODvy3+tC:79mqyNhQMOtEvwDpjBzckqB

Score

7^/10

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-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	2024-07-08_a43e897fbf520c8d94c23791fc0fe8a0_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3632	asih.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4716 wrote to memory of 3632	4716	2024-07-08_a43e897fbf520c8d94c23791fc0fe8a0_cryptolocker.exe	83
PID 4716 wrote to memory of 3632	4716	2024-07-08_a43e897fbf520c8d94c23791fc0fe8a0_cryptolocker.exe	83
PID 4716 wrote to memory of 3632	4716	2024-07-08_a43e897fbf520c8d94c23791fc0fe8a0_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-07-08_a43e897fbf520c8d94c23791fc0fe8a0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-08_a43e897fbf520c8d94c23791fc0fe8a0_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4716
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3632

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
48KB

MD5
37ba3dd80659a5be63bcd88288153700

SHA1
f76e20a5d134efd9c937691b35072fa713e057ea

SHA256
9e0c0636e1898ee2aafe65bf8325225a2717abb88a71f8d92d8af9a5c15c74d7

SHA512
ebb67b99d5ce3c260f5eae15383e0b7e07eb2b6dc7412e80fcbc87774790e7da7dc89d12a8a6ef1c06cfed3bafcd6b43af84ed5a502b1584b57bd8e2a9e79585

Download Submit
memory/3632-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3632-20-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3632-26-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/4716-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4716-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4716-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4716-3-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/4716-18-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download