917a811f56813171b8261a008de0357f3689c81a2f990fef6d5877f274e6539c

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 03:33

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General

Target

2024-09-19_8cea63febb30902f9409e60e8565b3bf_cryptolocker.exe
Size

41KB
MD5

8cea63febb30902f9409e60e8565b3bf
SHA1

1d2494a348ea20dac8f593fe23d5debeb3a9388f
SHA256

917a811f56813171b8261a008de0357f3689c81a2f990fef6d5877f274e6539c
SHA512

8993baaf216211996cd720e7f1926f05c6c8418b5cb8ccc424b03d5d13a86ee5c0d9afeceba64f027759d999041bcd699d61a426e136a16936227c453afc77ad
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCh:bA6YcA/X6G0W143QS

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	2024-09-19_8cea63febb30902f9409e60e8565b3bf_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4788	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	2024-09-19_8cea63febb30902f9409e60e8565b3bf_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 1032 wrote to memory of 4788	1032	2024-09-19_8cea63febb30902f9409e60e8565b3bf_cryptolocker.exe	82
PID 1032 wrote to memory of 4788	1032	2024-09-19_8cea63febb30902f9409e60e8565b3bf_cryptolocker.exe	82
PID 1032 wrote to memory of 4788	1032	2024-09-19_8cea63febb30902f9409e60e8565b3bf_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_8cea63febb30902f9409e60e8565b3bf_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_8cea63febb30902f9409e60e8565b3bf_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1032
- 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:4788

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
41KB

MD5
98c692afc298a49cd5e9a6288b403bee

SHA1
2ecd29eda48d037a658d53a332242c8f4bd600fa

SHA256
0abcdf414597401352b29cdccccb00466bada2fad918497432518083883dd760

SHA512
cb64ce461a2ab7ccb49aa8f03f30bcfbc529e1045983e659cf4caa0fbf6eb5e8e2033fd05ed10dcbb649c75299552c88083e1c07f7294ddef0ea2a5a4ec88b0b

Download Submit
memory/1032-0-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/1032-1-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/1032-2-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/4788-17-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/4788-23-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download