6ab5f324be6ee715f37aec3dd32ab39d0c3cf87193536f21ed2707fcaafad23b

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 12:15

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General

Target

2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe
Size

33KB
MD5

ca5001140be8e1cff1bbe2db54d3ea2d
SHA1

357a118d857692705f9172fc05da4b35a79dd15c
SHA256

6ab5f324be6ee715f37aec3dd32ab39d0c3cf87193536f21ed2707fcaafad23b
SHA512

669e64fa8993a9bf1e9c15e08d1a227c7b0c91ba1f316d3815b198681e2650f1ab66ffee7235fa39c939d8dbc79136a1078b2a5ad43abb10e823552f6fc49a41
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXua3:bG74zYcgT/Ekd0ryfj2

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
536	hasfj.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	2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 536	4916	2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe	86
PID 4916 wrote to memory of 536	4916	2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe	86
PID 4916 wrote to memory of 536	4916	2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:536

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\hasfj.exe

Filesize
34KB

MD5
2c390421053ada5b6977a2e4d7372692

SHA1
d69921a23d0ddbaf1ca341139060fbce46351c8b

SHA256
5690b98412c4433723752c076cadbcb215f161d2922364d3d7f3a00ebc7ff099

SHA512
6b4e010df3d1f09b04a7c3bddfea48524bf95a438817ad63345ecb23a88f40e36ff96621894dd6c7625bad7ba6c22d83bbe15ff822c27a97cbcf0f3df6bbb26e

Download Submit
memory/536-19-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/536-20-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/536-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/4916-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/4916-1-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/4916-2-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/4916-3-0x0000000003140000-0x0000000003146000-memory.dmp

Filesize
24KB

Download
memory/4916-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download