4d9be9b1f59c08899d7f0a72be769e7884d60d1ab65bf6368507778712477504

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 02:49

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General

Target

2024-10-13_f77f4bb0e12f518b7ce92144d872f24e_cryptolocker.exe
Size

40KB
MD5

f77f4bb0e12f518b7ce92144d872f24e
SHA1

62059d2e8e4cddf51c095011ca885d7a06d059ee
SHA256

4d9be9b1f59c08899d7f0a72be769e7884d60d1ab65bf6368507778712477504
SHA512

a7433f7cf375c33c6d4eff5f7f9f9e7ead8219d25d3422737e39e5a578669a2b85e72d415cc461b48a8669196374b23541a5e2f2ce6df86ef7418c8c77d798f2
SSDEEP

768:btB9g/WItCSsAGjX7r3BPOMHocM4vUUOmJ+ms:btB9g/xtCSKfxLIcMzUwf

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2024-10-13_f77f4bb0e12f518b7ce92144d872f24e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
320	gewos.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	2024-10-13_f77f4bb0e12f518b7ce92144d872f24e_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3896 wrote to memory of 320	3896	2024-10-13_f77f4bb0e12f518b7ce92144d872f24e_cryptolocker.exe	86
PID 3896 wrote to memory of 320	3896	2024-10-13_f77f4bb0e12f518b7ce92144d872f24e_cryptolocker.exe	86
PID 3896 wrote to memory of 320	3896	2024-10-13_f77f4bb0e12f518b7ce92144d872f24e_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-13_f77f4bb0e12f518b7ce92144d872f24e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_f77f4bb0e12f518b7ce92144d872f24e_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3896
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:320

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\gewos.exe

Filesize
40KB

MD5
14134b19e6ec37c053cdf5d3806a8627

SHA1
8c6ac161584272ef38dadac21076c125fafbc1b6

SHA256
6c4f0b44d0b9005459b50086021a27abd69df4d948d17e926bd3fb6bf99b6472

SHA512
750a84ae99a062c9512cfa28efe996ae6658352746f61fab0f6156899a1ce93d52b77a639a3078b99b33e48a81d732736c1e44e806de04c796efb117cf7cd64b

Download Submit
memory/320-25-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/3896-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/3896-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/3896-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download