75dcfd335b9e0fa656cb8c17d267261dee832c5c584ddf294537993fa215d1e7

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 10:19

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General

Target

2024-09-01_c09d017cef9b6774798051c4788ad138_cryptolocker.exe
Size

125KB
MD5

c09d017cef9b6774798051c4788ad138
SHA1

b2f935fa512084c173a6b40446498a293f833224
SHA256

75dcfd335b9e0fa656cb8c17d267261dee832c5c584ddf294537993fa215d1e7
SHA512

ced94c60a3d0d6ecfceeae5c11bca63b645bba3fabd0f99347d86e8c007e55d84ba62da490d4b0e2f500ae37518af1ef1eeec78e385ed87d4e6fecd876fa9fa2
SSDEEP

1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwMgdlTH:u6a++OtEvwDpj6zv

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	2024-09-01_c09d017cef9b6774798051c4788ad138_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4796	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	2024-09-01_c09d017cef9b6774798051c4788ad138_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 3488 wrote to memory of 4796	3488	2024-09-01_c09d017cef9b6774798051c4788ad138_cryptolocker.exe	85
PID 3488 wrote to memory of 4796	3488	2024-09-01_c09d017cef9b6774798051c4788ad138_cryptolocker.exe	85
PID 3488 wrote to memory of 4796	3488	2024-09-01_c09d017cef9b6774798051c4788ad138_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-01_c09d017cef9b6774798051c4788ad138_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-01_c09d017cef9b6774798051c4788ad138_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3488
- 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:4796

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
125KB

MD5
34fda1b6c704f87da3c4e4ff245a6178

SHA1
d88c777cf2529b97c42b49573fd17cf7ea608787

SHA256
15976e6191eae55523390c25f01cc7865036d0b759da1b7baefb510db51acd2e

SHA512
48e9a1273d1e0934e98eb3eb81dbc9adeaa881d4552dc32a68ad1b7b3c8f447c435dbffab507a98edcfac3ca8a39d19134abea76dff6358ffb52d17cb326bed8

Download Submit
memory/3488-0-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/3488-1-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/3488-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/4796-17-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/4796-18-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download