6e40b98719c61854c673bc6af47d0031259646c1620426ef5b691ac4af3e72c5

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12-03-2024 18:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-12_2afd3d4d709097f4d004236db5cc89e0_cryptolocker.exe
Size

40KB
MD5

2afd3d4d709097f4d004236db5cc89e0
SHA1

1cf0aa0b95fbe292a219cdec04ffb5b6485b7842
SHA256

6e40b98719c61854c673bc6af47d0031259646c1620426ef5b691ac4af3e72c5
SHA512

f4c980f118514b8246d045f52d8873391f67412a3980d92457d5715a83fc2cbd2fd6d7f0b0dca25861b518c4704e39edbbb02aa04c674a166731b0352ed81f3e
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5co9+slY:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+su

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000001e59e-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-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	2024-03-12_2afd3d4d709097f4d004236db5cc89e0_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1224	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 868 wrote to memory of 1224	868	2024-03-12_2afd3d4d709097f4d004236db5cc89e0_cryptolocker.exe	88
PID 868 wrote to memory of 1224	868	2024-03-12_2afd3d4d709097f4d004236db5cc89e0_cryptolocker.exe	88
PID 868 wrote to memory of 1224	868	2024-03-12_2afd3d4d709097f4d004236db5cc89e0_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-03-12_2afd3d4d709097f4d004236db5cc89e0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_2afd3d4d709097f4d004236db5cc89e0_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:868
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1224

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\hasfj.exe

Filesize
40KB

MD5
ddebd1a42ece6531d1697f2aabeffdaa

SHA1
893dc9d624b7b5f8b321059ab7432f6d02d45ef9

SHA256
c6d362936c03ef092c598170db56dae01690ffcadc73ea5c22c8eaf4168b7491

SHA512
62d4047d5cdf12106b88a9ba36ca592230dff61874a59d1887df4075367e3b50e62e465ca4a6ea682beba2c526018a200cfd5d988c134bb81cbbc1b36934dfa2

Download Submit
memory/868-0-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/868-2-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/868-1-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/1224-19-0x00000000020A0000-0x00000000020A6000-memory.dmp

Filesize
24KB

Download
memory/1224-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download