4529835483009b16c2790e92b9583da494eabe8c1d6087d7057f07c9a4acef40

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2024, 03:29

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-09-30_7043fceca47bec41c1ba637d35637131_cryptolocker.exe
Size

35KB
MD5

7043fceca47bec41c1ba637d35637131
SHA1

17e2016372c82fdadda6edca57b62e05f8a4502e
SHA256

4529835483009b16c2790e92b9583da494eabe8c1d6087d7057f07c9a4acef40
SHA512

fb0aade980aa520b86fb35605929da4740c2cb27241338adfd089f0bf7e4e7043b5589acaf7fdba5683adcc9affd75246d00a4a896817b70083c5f59da53b780
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoCt9/B1RU3qE4kb6oTer:b7o/2n1TCraU6GD1a4Xt9bRU6zA6oTg

Score

7^/10

discovery

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	2024-09-30_7043fceca47bec41c1ba637d35637131_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4900	rewok.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-30_7043fceca47bec41c1ba637d35637131_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rewok.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 4900	1648	2024-09-30_7043fceca47bec41c1ba637d35637131_cryptolocker.exe	82
PID 1648 wrote to memory of 4900	1648	2024-09-30_7043fceca47bec41c1ba637d35637131_cryptolocker.exe	82
PID 1648 wrote to memory of 4900	1648	2024-09-30_7043fceca47bec41c1ba637d35637131_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-30_7043fceca47bec41c1ba637d35637131_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-30_7043fceca47bec41c1ba637d35637131_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4900

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\rewok.exe

Filesize
36KB

MD5
20885dd2a3105256a65a0e3015a40073

SHA1
9c4447072b5ffa2acb206df70ccb5128fdf67551

SHA256
08ff45b79c83bd6f266291d03d55b14ae4b40f629e0a88dbecefeb7fd20e0541

SHA512
67753afb6f6fe97923ccdbb2400cb6d19f6759ca25a0f8ee014339795075734098b31ac8206e296dc33517c5becd4932cc2427319d384188c36a0fd6f31515f8

Download Submit
memory/1648-0-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/1648-1-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/1648-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4900-25-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download