21c265146c6702b6b3ad39fdfbef3fd086cec84d16e4ea8e47a03c17dff937b8

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27/06/2024, 15:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe
Size

47KB
MD5

91d9a61da9c74832f1fda0d923eda472
SHA1

a0080f131506295c5dc261a75524da15b4abd00a
SHA256

21c265146c6702b6b3ad39fdfbef3fd086cec84d16e4ea8e47a03c17dff937b8
SHA512

b88192a581688e92f4454e79cf46a1e4e374bcea1313a038e4c322005ed5399622394d4ef4e93a11ad296975c85ea75245021899eebae9025db2fe7e06f4adec
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlAs:P6QFElP6k+MRQMOtEvwDpjBQpVX8As

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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4964	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 2188 wrote to memory of 4964	2188	2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe	81
PID 2188 wrote to memory of 4964	2188	2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe	81
PID 2188 wrote to memory of 4964	2188	2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe	81

C:\Users\Admin\AppData\Local\Temp\2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-27_91d9a61da9c74832f1fda0d923eda472_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4964

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

Loading Replay Monitor...

Downloads

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

Filesize
47KB

MD5
351fc88cb5fb69e45d1c852cd0170088

SHA1
d57d49f7812676442dbf0fa1c49e9998d18daa3c

SHA256
922805496ece77d02ed8f82e67a3168a20db629ec4fda18bd27b5edd70a346fb

SHA512
f571b4677ad10a8418dd8e05d7ef645d74c475cdf6c4c3caba88e48e7a240f234b0e253f2988ed5a92bc57bcd725b6c32dddbd37dd2dbfaec907fe50646feee0

Download Submit
memory/2188-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2188-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/2188-2-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/2188-9-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/2188-18-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4964-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4964-20-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4964-27-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download