eacaf081a32c8c53b0e0a7f0bdf43f50867d63373a81816adf61c29150b57bda

Analysis

max time kernel
8s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 05:42

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General

Target

2024-01-01_51864fa29ad7aacc38a616968039c082_cryptolocker.exe
Size

51KB
MD5

51864fa29ad7aacc38a616968039c082
SHA1

f4c6e2a9504de7ab66555b68345f1abb541d797b
SHA256

eacaf081a32c8c53b0e0a7f0bdf43f50867d63373a81816adf61c29150b57bda
SHA512

044512a6364587e87a9cfb292badf0a99c16853b26180b662d06e1d2040d1987635dbf4f9b2a2d941b9e19bc6728c2f572d9f75adda468a0e1ddd495eb614f0d
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9S1bk:bIDOw9a0DwitDZz11Q

Score

7^/10

Malware Config

Signatures

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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	2024-01-01_51864fa29ad7aacc38a616968039c082_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4816	lossy.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 4824 wrote to memory of 4816	4824	2024-01-01_51864fa29ad7aacc38a616968039c082_cryptolocker.exe	25
PID 4824 wrote to memory of 4816	4824	2024-01-01_51864fa29ad7aacc38a616968039c082_cryptolocker.exe	25
PID 4824 wrote to memory of 4816	4824	2024-01-01_51864fa29ad7aacc38a616968039c082_cryptolocker.exe	25

C:\Users\Admin\AppData\Local\Temp\2024-01-01_51864fa29ad7aacc38a616968039c082_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-01_51864fa29ad7aacc38a616968039c082_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:4816

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\lossy.exe

Filesize
51KB

MD5
48201c648425fa0e5b5c33dc25e8398b

SHA1
e62b1d157bff2e8f33ab8bffda5cddbfad1e4872

SHA256
91ee029a5cc83adcee82440a2107edb21d8ec953abe1f4c33764bd0e7e3937b2

SHA512
adcacdad91b0e56cf0506e5598b6a219a0ba960258a7b878fe19fb94062dddad2da98075f184ce392ad3c83befdac9bd94531acd6e735aa8b2b16c6fdc4d6ba2

Download Submit
memory/4816-19-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/4816-17-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/4824-1-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/4824-2-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/4824-0-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download