76238d8a6e52ffdde598844d4ec7290034b202e9ca0c7455d7644e15e8f33bae

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
21/11/2024, 06:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-11-21_73c952d25cb512516e31d1ccff879bd1_cryptolocker.exe
Size

44KB
MD5

73c952d25cb512516e31d1ccff879bd1
SHA1

bf1a8b0498984cd55b98fdf477256f1ec8951efa
SHA256

76238d8a6e52ffdde598844d4ec7290034b202e9ca0c7455d7644e15e8f33bae
SHA512

bcd3e2157bf675a60207047cd5d39178c878beddaef183d88f47eb155d6188e1062674c63ad480aa75c42dcdc88e89aaf186713860a35faf5570c10042050e53
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95WJm:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDF3

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-11-21_73c952d25cb512516e31d1ccff879bd1_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1880	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	2024-11-21_73c952d25cb512516e31d1ccff879bd1_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 3592 wrote to memory of 1880	3592	2024-11-21_73c952d25cb512516e31d1ccff879bd1_cryptolocker.exe	82
PID 3592 wrote to memory of 1880	3592	2024-11-21_73c952d25cb512516e31d1ccff879bd1_cryptolocker.exe	82
PID 3592 wrote to memory of 1880	3592	2024-11-21_73c952d25cb512516e31d1ccff879bd1_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-11-21_73c952d25cb512516e31d1ccff879bd1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_73c952d25cb512516e31d1ccff879bd1_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3592
- 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:1880

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
44KB

MD5
5339f2c3dadc05c027712ef301359566

SHA1
b5e58f93e57bd34bf214dbe92068283ace95ff26

SHA256
7a2d60775c6776491dac52930c6894a181dc818a432b9c14210e11d0a736a998

SHA512
8c2d8323008efe713c0d9f61153d4afa9b6a3900044d51643629c88294d2bba17fce28509198df83ad0a5f89c944bf3bd33b49dab31b1d5ee3722af3b3b5955b

Download Submit
memory/1880-17-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1880-23-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/3592-0-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/3592-1-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/3592-2-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download