1818d111af23d55c0eede8f61bdaa7a3f553adb24aa4d083b541489a06b79ec4

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 05:29

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General

Target

2024-11-20_ffd2024088c4f4f67795b6828ec91373_cryptolocker.exe
Size

46KB
MD5

ffd2024088c4f4f67795b6828ec91373
SHA1

247b3a475e3bb875d60dc2380b70749d2a33863f
SHA256

1818d111af23d55c0eede8f61bdaa7a3f553adb24aa4d083b541489a06b79ec4
SHA512

a80399415abd94e8e821ac968234138e54d0502dca8273358052cad77bb83e9f5c012209815463b6068d280394aebf609880f26d73fc2ea9c167fea7468287a5
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUknqus:bm74zYcgT/EkM0ryfjdnqus

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	2024-11-20_ffd2024088c4f4f67795b6828ec91373_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4840	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	2024-11-20_ffd2024088c4f4f67795b6828ec91373_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 3344 wrote to memory of 4840	3344	2024-11-20_ffd2024088c4f4f67795b6828ec91373_cryptolocker.exe	83
PID 3344 wrote to memory of 4840	3344	2024-11-20_ffd2024088c4f4f67795b6828ec91373_cryptolocker.exe	83
PID 3344 wrote to memory of 4840	3344	2024-11-20_ffd2024088c4f4f67795b6828ec91373_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-11-20_ffd2024088c4f4f67795b6828ec91373_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_ffd2024088c4f4f67795b6828ec91373_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3344
- 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:4840

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\hasfj.exe

Filesize
46KB

MD5
d8f6e98d48a1778d41e38eee2cd60bba

SHA1
536623e9a845b49d411cd3ff592767c57b3dbafd

SHA256
b2952a2cafd4471e87dbb69a2cdd1bbe7b71de4c96a105778d16fcba7c4703da

SHA512
5711d36ea8d4c6322355f16bbad1615747a3293d407dccadffdcc00a4aaee22ce11a2d3cf9da37d2bdd879be1188a5e1db60e5b512be682d5e6b8f28fc487437

Download Submit
memory/3344-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/3344-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3344-2-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3344-3-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/3344-17-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/4840-19-0x0000000002380000-0x0000000002386000-memory.dmp

Filesize
24KB

Download
memory/4840-25-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/4840-26-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download