32cde1c451c39eeefeb5eb4b3229fa661406a45134b6d2584ada1ff292a801ce

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
30/04/2024, 03:02

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General

Target

2024-04-30_f78c289815cec6b6960c5dbe2516d983_cryptolocker.exe
Size

40KB
MD5

f78c289815cec6b6960c5dbe2516d983
SHA1

55358a5e0b85cd0e2ddf260e53730d71c25aace2
SHA256

32cde1c451c39eeefeb5eb4b3229fa661406a45134b6d2584ada1ff292a801ce
SHA512

8a78b445f402b23d9af98732ff40bada0887db3465d83778c896d7b7b64138a6f0cb9edfe772914b4672cd36f161ef8ac3f90320243ccafd33a2fb32382a4377
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3Hwr:bA6YcA/X6G0W143Qr

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023358-12.dat	CryptoLocker_rule2

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-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	2024-04-30_f78c289815cec6b6960c5dbe2516d983_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4868	hasfj.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 3276 wrote to memory of 4868	3276	2024-04-30_f78c289815cec6b6960c5dbe2516d983_cryptolocker.exe	84
PID 3276 wrote to memory of 4868	3276	2024-04-30_f78c289815cec6b6960c5dbe2516d983_cryptolocker.exe	84
PID 3276 wrote to memory of 4868	3276	2024-04-30_f78c289815cec6b6960c5dbe2516d983_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-04-30_f78c289815cec6b6960c5dbe2516d983_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-30_f78c289815cec6b6960c5dbe2516d983_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3276
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:4868

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\hasfj.exe

Filesize
40KB

MD5
6c0acfbfdb443de94dda0e10114ad14a

SHA1
ae311593794270afe02801a4abb558b9b18d1045

SHA256
aca8083425949f4c9c2c6a3c25ede7c338ea8da0222ac3ecced3c4062b12f0dd

SHA512
c37c219b62e75b8dbc09096152a399369e346790c85961d986b3bbc881195036dbf46faf3ba036f6425c80252a816eb5e964aea812066fcba5ffe82157bc354e

Download Submit
memory/3276-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3276-1-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/3276-8-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download