e0c51a99cc06c9ca56e01d9908a95746e2749103fa060db8101120221064cd9f

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
17/02/2024, 17:44

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General

Target

2024-02-17_c2256ef82132800ac6f728414a6a3291_cryptolocker.exe
Size

46KB
MD5

c2256ef82132800ac6f728414a6a3291
SHA1

977b923bc0096941a94340c8b525f0cbed84f7e1
SHA256

e0c51a99cc06c9ca56e01d9908a95746e2749103fa060db8101120221064cd9f
SHA512

e0a2c79ad6e90e3e16594ec2378e032c9396019257fb3c4eb055d10441a5aa8bf7a1dfb63bd21c2ea01755c7f09448b009e62ea54fd1c6341f93882ea441869f
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dgf:bgGYcA/53GAA6y37Q6dg

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x00070000000231fc-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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation	2024-02-17_c2256ef82132800ac6f728414a6a3291_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4984	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 3848 wrote to memory of 4984	3848	2024-02-17_c2256ef82132800ac6f728414a6a3291_cryptolocker.exe	84
PID 3848 wrote to memory of 4984	3848	2024-02-17_c2256ef82132800ac6f728414a6a3291_cryptolocker.exe	84
PID 3848 wrote to memory of 4984	3848	2024-02-17_c2256ef82132800ac6f728414a6a3291_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-02-17_c2256ef82132800ac6f728414a6a3291_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_c2256ef82132800ac6f728414a6a3291_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3848
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:4984

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
46KB

MD5
147b30253837d0bbdac55fd6c57077db

SHA1
8e7c3df6041b172d1b0c6301203313bb687498c3

SHA256
f94980e70ef9fa08364b59687be86093756d11de232ab168b5bad59ced60c1e9

SHA512
1e7529a859dfc9591a646143a6784acb875ebfb063e2887fd198b0737979d2fa0012af0cdb966cf8acf91e69c029103a0b1fbb1ef33a6a8abd55086bdd31427e

Download Submit
memory/3848-0-0x0000000002250000-0x0000000002256000-memory.dmp

Filesize
24KB

Download
memory/3848-1-0x0000000002250000-0x0000000002256000-memory.dmp

Filesize
24KB

Download
memory/3848-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/4984-17-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/4984-19-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download