5ac783aad87b804a8dc8e2a9507c14607c67beded2d9bb4a2d286c39ada8100f

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2024, 16:32

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General

Target

2024-10-10_62f122ce78c25ef8be32c233766d99b8_cryptolocker.exe
Size

31KB
MD5

62f122ce78c25ef8be32c233766d99b8
SHA1

f6c0159df5ef7aff13e8c8062a590f52327ac775
SHA256

5ac783aad87b804a8dc8e2a9507c14607c67beded2d9bb4a2d286c39ada8100f
SHA512

751bb4ba44e7e0c5fc91b5299ecaf3e08a08b5df920fc8fc72c1fb28e8a312f13b7afbc3a2cd78ecd650707f93e60177fbc412ab7c37c6cc99bc087536d45cb7
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzo984:b7o/2n1TCraU6GD1a4XD4

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	2024-10-10_62f122ce78c25ef8be32c233766d99b8_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1220	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	2024-10-10_62f122ce78c25ef8be32c233766d99b8_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 2964 wrote to memory of 1220	2964	2024-10-10_62f122ce78c25ef8be32c233766d99b8_cryptolocker.exe	85
PID 2964 wrote to memory of 1220	2964	2024-10-10_62f122ce78c25ef8be32c233766d99b8_cryptolocker.exe	85
PID 2964 wrote to memory of 1220	2964	2024-10-10_62f122ce78c25ef8be32c233766d99b8_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-10_62f122ce78c25ef8be32c233766d99b8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_62f122ce78c25ef8be32c233766d99b8_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2964
- 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:1220

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

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Downloads

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

Filesize
32KB

MD5
1a4e50008983161f3f4a040dc818c7db

SHA1
400527dd3527d3e42941e3e57252aaa1d9cd2114

SHA256
65fa2d50d13c009d1ae56ece3d73f7759f92c2b492d00272c3c3ec2d7dc0957a

SHA512
be44be652c501736837fd6dfc6db392bc216867f8a12a5e56401193e5b3f0219e5d9bf73f873c959bd4b76d43f748a7c5447e838c57cfd120a22908a7794e7e3

Download Submit
memory/1220-25-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/2964-0-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/2964-1-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/2964-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2964-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download