d5159c2d98fb38574f032129e867ec163d17f481c56be74bcde49ac95cc18ca7

Analysis

max time kernel
149s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 06:48

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General

Target

2024-11-21_62d7369d49e866b0ab2ab6bf1c138637_cryptolocker.exe
Size

36KB
MD5

62d7369d49e866b0ab2ab6bf1c138637
SHA1

5e8dcd1c44272f9d3ba9f428db5a0f9085e28ff0
SHA256

d5159c2d98fb38574f032129e867ec163d17f481c56be74bcde49ac95cc18ca7
SHA512

caf69848d77dd5267f1de6a123be1d7fb7924c8a132641395b9ed99a6b94c8c7cc3d64c82cca214b489fe2914b9b0316bc5f2f9c6e87920c274a596bc34fdba9
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzorwI62tH/PN/uTIRpj:b7o/2n1TCraU6GD1a4Xcn62tH/1/Lpj

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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-11-21_62d7369d49e866b0ab2ab6bf1c138637_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1256	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	2024-11-21_62d7369d49e866b0ab2ab6bf1c138637_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 1288 wrote to memory of 1256	1288	2024-11-21_62d7369d49e866b0ab2ab6bf1c138637_cryptolocker.exe	82
PID 1288 wrote to memory of 1256	1288	2024-11-21_62d7369d49e866b0ab2ab6bf1c138637_cryptolocker.exe	82
PID 1288 wrote to memory of 1256	1288	2024-11-21_62d7369d49e866b0ab2ab6bf1c138637_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-11-21_62d7369d49e866b0ab2ab6bf1c138637_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_62d7369d49e866b0ab2ab6bf1c138637_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1288
- 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:1256

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

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Downloads

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

Filesize
36KB

MD5
36435b95c37ed3ba868b80ca4e552779

SHA1
91ccc53232e684e2ae952873fb38a0fa45a6b756

SHA256
c8b783b19f554d58f0f1485cf68185c3e3b12f27844414da66da75661785ebdd

SHA512
54497a8e745206d65a80dadc8e0f93ef8a987beea05402ad537de561bea2d51dfc2d6fade7fa838b22d89a8ab2b6909cc9209c1f515ccc80f31329f7cbb095c6

Download Submit
memory/1256-25-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/1288-0-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1288-1-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1288-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download