8c0b1cba1dedfe420ada13ec9fcf43430b91d07936c9bbeeb7ea28def19802e0

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 18:01

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General

Target

2024-09-21_1e4d89c20c1cf5134e175234dab49ba8_cryptolocker.exe
Size

47KB
MD5

1e4d89c20c1cf5134e175234dab49ba8
SHA1

fba02cfb2bb4c424a19c8714f51cd7d5c5da745d
SHA256

8c0b1cba1dedfe420ada13ec9fcf43430b91d07936c9bbeeb7ea28def19802e0
SHA512

fd53fcc37b0eed857a8ad1f8aae23d62f1474fcf810ad935a85b0ea0ec9de1a425af01395b514ca830fa6591bd03fa7395f32c2c6019e56c0ccc5dfa85d72859
SSDEEP

768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zrZ:y6QFElP6n+gMQMOtEvwDpjbizbR9Xwz1

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	2024-09-21_1e4d89c20c1cf5134e175234dab49ba8_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2904	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	2024-09-21_1e4d89c20c1cf5134e175234dab49ba8_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 4220 wrote to memory of 2904	4220	2024-09-21_1e4d89c20c1cf5134e175234dab49ba8_cryptolocker.exe	82
PID 4220 wrote to memory of 2904	4220	2024-09-21_1e4d89c20c1cf5134e175234dab49ba8_cryptolocker.exe	82
PID 4220 wrote to memory of 2904	4220	2024-09-21_1e4d89c20c1cf5134e175234dab49ba8_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-21_1e4d89c20c1cf5134e175234dab49ba8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-21_1e4d89c20c1cf5134e175234dab49ba8_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4220
- 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:2904

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\asih.exe

Filesize
47KB

MD5
5e2f4fd53333e1b1d9db22e29480665f

SHA1
da1ac9464dd29078e3803d55393ab59b8dc660e0

SHA256
dd4642f6ec974b8e7a7516513e95ec02955476419eb2ea37a1aebfb31105912f

SHA512
dd2cb8b834d2827424320901aba8e30c7428ecc53a583ab0b69c09beb2c85697334d75042fdc5ed0ddc5ee8b92e0dfaa52b07c08c242f1f48fe607d0d27bacf7

Download Submit
memory/4220-0-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/4220-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/4220-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download