71ac8893f3208d9d16ab145c9fcdea2cc425f844ea60acb68f747e80c2bdf856

Analysis

max time kernel
94s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2024, 14:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-13_9b3eb5d98f7f8a81d9831708e2c5aafe_cryptolocker.exe
Size

33KB
MD5

9b3eb5d98f7f8a81d9831708e2c5aafe
SHA1

5e357ddeee594cfc304f6ff85483d12227f4869d
SHA256

71ac8893f3208d9d16ab145c9fcdea2cc425f844ea60acb68f747e80c2bdf856
SHA512

414f4e5e11dd1befbf0609d1982c6ae4ba7db0ab08d1decf6fd3ae3f2701409d4cc736f559aece567b26b1fffae2d71aa3bdc3aa437624b048d697e0064c48b5
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3v7Qdb:bAvJCYOOvbRPDEgXRcJUdb

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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	2024-09-13_9b3eb5d98f7f8a81d9831708e2c5aafe_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
2004	demka.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	2024-09-13_9b3eb5d98f7f8a81d9831708e2c5aafe_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	demka.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 2004	460	2024-09-13_9b3eb5d98f7f8a81d9831708e2c5aafe_cryptolocker.exe	84
PID 460 wrote to memory of 2004	460	2024-09-13_9b3eb5d98f7f8a81d9831708e2c5aafe_cryptolocker.exe	84
PID 460 wrote to memory of 2004	460	2024-09-13_9b3eb5d98f7f8a81d9831708e2c5aafe_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-13_9b3eb5d98f7f8a81d9831708e2c5aafe_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-13_9b3eb5d98f7f8a81d9831708e2c5aafe_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:460
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2004

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\demka.exe

Filesize
33KB

MD5
4c815f99686ee9c3c47b379d065a9cde

SHA1
9d95dee3c2a86ae6a34f7d3e44e0f150e020adea

SHA256
3bd65708e9860780717b48889cb3ddde9bf735dea200c82bbf5bd28c53f423c0

SHA512
10893a4bef957cba4cecf712150c24434b6b63f5ec20a99748ed2907481c02fde9af54c2ddc1f78d0ff25b0baa9160cc260c42c701ad3ad5aa610116952f2a81

Download Submit
C:\Users\Admin\AppData\Local\Temp\medkem.exe

Filesize
185B

MD5
40be01e01515bc2c10d0fd9208119fca

SHA1
b678f120003309db62438ad9f8db9400cc6a617c

SHA256
ee62f14e62440e3bbf960ad3eeae3bd1b9fba5264d8fd7e679a7110c1f1bd001

SHA512
e2684405e8f810510ff8c407e846f912bc7f248f62548178af710bfc561c4537293eef1b161ea6e15727fd61b6dcc459c609390940367a592638b86106aac990

Download Submit
memory/460-0-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/460-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/460-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2004-25-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download