f1b33129e94ed85486a4c5e7e549696a88bd6c0b74a052ae78485a680fce82fb

Analysis

max time kernel
148s
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
08/08/2024, 12:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-08-08_3d1007c09208e2bfbd7df1378e9b547f_cryptolocker.exe
Size

64KB
MD5

3d1007c09208e2bfbd7df1378e9b547f
SHA1

071316d4801ef0f5bc034a9985eaa13bcd8dfa3f
SHA256

f1b33129e94ed85486a4c5e7e549696a88bd6c0b74a052ae78485a680fce82fb
SHA512

c7ebce79db0b343b0b66077337fb770cd541d0e217e63d5bfcdf5b3232eda4b37dec32ab4ffd5a82a5b1fa1c316dc9992b123392a831d24a11324dbd3313580b
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnT5u0:btng54SMLr+/AO/kIhfoKMHdat

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-08-08_3d1007c09208e2bfbd7df1378e9b547f_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3196	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	2024-08-08_3d1007c09208e2bfbd7df1378e9b547f_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 4244 wrote to memory of 3196	4244	2024-08-08_3d1007c09208e2bfbd7df1378e9b547f_cryptolocker.exe	86
PID 4244 wrote to memory of 3196	4244	2024-08-08_3d1007c09208e2bfbd7df1378e9b547f_cryptolocker.exe	86
PID 4244 wrote to memory of 3196	4244	2024-08-08_3d1007c09208e2bfbd7df1378e9b547f_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-08-08_3d1007c09208e2bfbd7df1378e9b547f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-08_3d1007c09208e2bfbd7df1378e9b547f_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4244
- 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:3196

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\gewos.exe

Filesize
64KB

MD5
d0e2144842d8502a946619c9a5cd4b00

SHA1
02a391e0c290419e13be6e82cd61ce12aa9ba64f

SHA256
d50e9615c525d32fe8fd28205cc575dc712713101971472522be42e701ad9f16

SHA512
4f331ac04eec766f804ce9af76545aa3a66b4ef1fb553f6d3197f5318e40b4594abe532e254f2f7de04c9c74a1bcab9bbaf0b97a7db021d6e5fbd543f19f6d71

Download Submit
memory/3196-25-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/4244-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/4244-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/4244-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download