dd2484ac7da09f08200821a334840e65859c0a76b6d685a7da950efcd3598552

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 08:24

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General

Target

2024-10-31_3246e4905c5fb1f474f456bf00e9caaa_cryptolocker.exe
Size

43KB
MD5

3246e4905c5fb1f474f456bf00e9caaa
SHA1

606b592971aa078ce479c5592f56ed057e4e27dd
SHA256

dd2484ac7da09f08200821a334840e65859c0a76b6d685a7da950efcd3598552
SHA512

a4e6c1057b88fcb9077d992b4fe610bdf38281d02d816300bd4b2ac3badb57f328d408a135bc1eee753dcb0837baed4f26fc87fbb79f9320fc6a3ecdb8756f31
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1TY3:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLQ

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

Processes:

2024-10-31_3246e4905c5fb1f474f456bf00e9caaa_cryptolocker.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	2024-10-31_3246e4905c5fb1f474f456bf00e9caaa_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid	Process
1660	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

Processes:

asih.exe2024-10-31_3246e4905c5fb1f474f456bf00e9caaa_cryptolocker.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-31_3246e4905c5fb1f474f456bf00e9caaa_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-10-31_3246e4905c5fb1f474f456bf00e9caaa_cryptolocker.exe

description	pid	Process	procid_target
PID 4536 wrote to memory of 1660	4536	2024-10-31_3246e4905c5fb1f474f456bf00e9caaa_cryptolocker.exe	87
PID 4536 wrote to memory of 1660	4536	2024-10-31_3246e4905c5fb1f474f456bf00e9caaa_cryptolocker.exe	87
PID 4536 wrote to memory of 1660	4536	2024-10-31_3246e4905c5fb1f474f456bf00e9caaa_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-10-31_3246e4905c5fb1f474f456bf00e9caaa_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_3246e4905c5fb1f474f456bf00e9caaa_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4536
- 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:1660

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
43KB

MD5
8e2e00879a41a463a393e34508378272

SHA1
dd92e3659adf70b3b8a54ac079a80d6f8db413c3

SHA256
314ec6f40b5dbf2bc876909d3c594ba7aaa900ff52599a3cf8341f75cdc409e1

SHA512
17adfba543df85277a1c12f6921bfe3c6d55175b10c0094ed0656ada6d8bc65691f507d2344ca0c0e650a595ab9ac1941056a10b9580591ee270f647a26e834b

Download Submit
memory/1660-19-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1660-20-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/1660-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4536-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4536-1-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4536-2-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4536-3-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/4536-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download