14bc665e0494a2b1f786974ad0c9641c7c093a792a7539dc2cb91079b87228f9

Analysis

max time kernel
149s
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
13/03/2024, 17:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-13_29fd85812752fc3a840e0034aaf74a7b_cryptolocker.exe
Size

104KB
MD5

29fd85812752fc3a840e0034aaf74a7b
SHA1

a6a025e3a04729c67c66718ecd6e2482eec9ca91
SHA256

14bc665e0494a2b1f786974ad0c9641c7c093a792a7539dc2cb91079b87228f9
SHA512

20ff2330387e4257b28941619aa8870483695e75ec907e22745d19487de543a02c59a4a90530ca2114465cbfcd1ea79f2399bc20dacecd3ed4540a3c799e14a8
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpQbCJhHg:V6a+pOtEvwDpjtzJ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000f00000002314a-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000f00000002314a-12.dat	CryptoLocker_set1

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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	2024-03-13_29fd85812752fc3a840e0034aaf74a7b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2908	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 1304 wrote to memory of 2908	1304	2024-03-13_29fd85812752fc3a840e0034aaf74a7b_cryptolocker.exe	87
PID 1304 wrote to memory of 2908	1304	2024-03-13_29fd85812752fc3a840e0034aaf74a7b_cryptolocker.exe	87
PID 1304 wrote to memory of 2908	1304	2024-03-13_29fd85812752fc3a840e0034aaf74a7b_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-03-13_29fd85812752fc3a840e0034aaf74a7b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_29fd85812752fc3a840e0034aaf74a7b_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2908

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
105KB

MD5
c2a843cf933fdf0694d6637f4aae6391

SHA1
a88284554769ade76ec93065ecd5d49691c575bd

SHA256
d39c274e7d754a0253c327827f7c8f70e4e455970021182c3a4c0363c6ceea75

SHA512
9d2f674fd4711fd760c3c45a8c511cba33a629090ada70aaf1d070fa07aa152c8946d17e91b8554393c57fc285ee092c49c2a6d4168dc1c8189dac2e39275b70

Download Submit
memory/1304-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1304-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1304-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2908-17-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/2908-23-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download