10f2a5d0b8f00302a9bc5d61d3c2f60b1e32887c04ac5c78d5c7685623474e59

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 03:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-13_ca7b36ebbe5a5375e3e96d65262861a7_cryptolocker.exe
Size

52KB
MD5

ca7b36ebbe5a5375e3e96d65262861a7
SHA1

7014d043ebf2f16a3514ed6a254406c0b25dd867
SHA256

10f2a5d0b8f00302a9bc5d61d3c2f60b1e32887c04ac5c78d5c7685623474e59
SHA512

eb5ac0a991db532327d3f3c5fe012e7b905b9edcffbd1036b062879bdf8104f5543a3037e8e70dfa81445cfee202e85647a1bbd85ac713267d75fb42d5fc1d1f
SSDEEP

1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61XJ:BbdDmjr+OtEvwDpjM/

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-10-13_ca7b36ebbe5a5375e3e96d65262861a7_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4368	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	2024-10-13_ca7b36ebbe5a5375e3e96d65262861a7_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 3952 wrote to memory of 4368	3952	2024-10-13_ca7b36ebbe5a5375e3e96d65262861a7_cryptolocker.exe	86
PID 3952 wrote to memory of 4368	3952	2024-10-13_ca7b36ebbe5a5375e3e96d65262861a7_cryptolocker.exe	86
PID 3952 wrote to memory of 4368	3952	2024-10-13_ca7b36ebbe5a5375e3e96d65262861a7_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-13_ca7b36ebbe5a5375e3e96d65262861a7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_ca7b36ebbe5a5375e3e96d65262861a7_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3952
- 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:4368

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
52KB

MD5
83a5092e728ebd7e116120bec299da41

SHA1
0a7b85d2ee930c49b28e9dd3451138d534b5de36

SHA256
7751fd060bc171ff77537c4f929ad78532ea34c81420cb7b4700370612cbcd3d

SHA512
983ef945bc124fb210d5f82d4abb2f8e4cd778ce5f30aba1520cca207e51ed5b34271d0a5de7f62e70719092609edc0f250b6f14dd02b325ab527066bfa67861

Download Submit
memory/3952-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3952-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3952-2-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3952-3-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3952-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4368-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4368-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4368-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download