713c304e108557f27b20324b907676fbd8f2a04263807e26714bf314e1ed739d

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 03:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-12_da72b791a2ca4b9135c4f4d54329513c_cryptolocker.exe
Size

43KB
MD5

da72b791a2ca4b9135c4f4d54329513c
SHA1

0e6577b063ffcf8a87c59f3feeeea2ad93757850
SHA256

713c304e108557f27b20324b907676fbd8f2a04263807e26714bf314e1ed739d
SHA512

268c334d88679d3e42a07d2fd9bcec810187701062d96af665ed2d2c19d2cb91693d5ce823c93809a0cee7d66cea7b39345a652fef51877e24865c92f01776f7
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95W6:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDFl

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	2024-09-12_da72b791a2ca4b9135c4f4d54329513c_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2656	asih.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	2024-09-12_da72b791a2ca4b9135c4f4d54329513c_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 2656	4864	2024-09-12_da72b791a2ca4b9135c4f4d54329513c_cryptolocker.exe	85
PID 4864 wrote to memory of 2656	4864	2024-09-12_da72b791a2ca4b9135c4f4d54329513c_cryptolocker.exe	85
PID 4864 wrote to memory of 2656	4864	2024-09-12_da72b791a2ca4b9135c4f4d54329513c_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-12_da72b791a2ca4b9135c4f4d54329513c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_da72b791a2ca4b9135c4f4d54329513c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2656

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\asih.exe

Filesize
43KB

MD5
e49eb963a61b8b3d37fcc3b75a2ad24b

SHA1
05871341c720cc3e9216ffd3a114117bee753207

SHA256
e892d013832e0452fa7b9ef477a4fde8971b175f24bd12fbee0e0bd4744b8aa6

SHA512
248d59f9938a2c98fd7292e07bc8c964249d426a8095b8ef7b884958167b167523ebb7f93b53c666606338f185f681e04d9c86d29e91604932f755d59ef687bb

Download Submit
memory/2656-17-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/2656-23-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4864-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/4864-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/4864-3-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download