af7c3a60bdff50fb28c8788635151a7ee1a0c7bb6549aa9cfeeeda94f4367865

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
23/02/2024, 16:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-23_b325f612b5144053e5629046894d938d_cryptolocker.exe
Size

47KB
MD5

b325f612b5144053e5629046894d938d
SHA1

28ee622df4b037be22f49b46a6757231f0d7c8ae
SHA256

af7c3a60bdff50fb28c8788635151a7ee1a0c7bb6549aa9cfeeeda94f4367865
SHA512

fc4eca25f49307cf7dda0141cfa68cdab4d928e670f6b794e25f2568f022fcbcee77957af1be7d1e072958c1f6171a5a7ece34489148ac7c5e4dbbca17a404f2
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6ddb:bgGYcA/53GAA6y37Q6ddb

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00c300000001e848-12.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-1-5-21-2132103209-3755304320-2959162027-1000\Control Panel\International\Geo\Nation	2024-02-23_b325f612b5144053e5629046894d938d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
864	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 1920 wrote to memory of 864	1920	2024-02-23_b325f612b5144053e5629046894d938d_cryptolocker.exe	88
PID 1920 wrote to memory of 864	1920	2024-02-23_b325f612b5144053e5629046894d938d_cryptolocker.exe	88
PID 1920 wrote to memory of 864	1920	2024-02-23_b325f612b5144053e5629046894d938d_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-02-23_b325f612b5144053e5629046894d938d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_b325f612b5144053e5629046894d938d_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:864

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
47KB

MD5
3b1beb2bbea70a8418c95ad9a3817614

SHA1
9cb4f1ff97e535bdb2542ce3f452e36e21a10b6f

SHA256
6d658bb2ecb0e7649e9f1a61e0c529bfb63460b98e6538a98a047085fe9e26c5

SHA512
52e9ea98c63bf335cdf99ad1af4719128a5756e1c994d6d8e82eb13fc567d5fc569611654d794dc3f754f4a52677d12eb1fa176ac7d29852af25726f8402bc9c

Download Submit
memory/864-18-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/864-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/1920-0-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1920-1-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1920-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download