1f2f64aeb6ba99f5dbaf0823e608f979d1450af1dc57f048a32598be9aa95439

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
26/08/2024, 07:04

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General

Target

2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe
Size

48KB
MD5

c466b5813de544aa32dc815510e1646b
SHA1

0af0b01142c4bbebff53e6e74837b5445af1fdd5
SHA256

1f2f64aeb6ba99f5dbaf0823e608f979d1450af1dc57f048a32598be9aa95439
SHA512

cb77969f67429148e944db5394eaf1246cb201a17697d9528de2ab74bc676a02043ee9d1d8154ab6a4fa9438164e55f965f744923df9674f2d267146ef2cdda1
SSDEEP

768:79inqyNR/QtOOtEvwDpjBKccJVODvy3Z5A:79mqyNhQMOtEvwDpjBzckqXA

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4780	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	2024-08-26_c466b5813de544aa32dc815510e1646b_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 3320 wrote to memory of 4780	3320	2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe	84
PID 3320 wrote to memory of 4780	3320	2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe	84
PID 3320 wrote to memory of 4780	3320	2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-26_c466b5813de544aa32dc815510e1646b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3320
- 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:4780

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
48KB

MD5
d46306daeef7fec51b609279c49a4774

SHA1
c6325884fc2f8ff9a10b671d80d28554f48503b3

SHA256
5d79ca64fa3be6451301018dc8006f95b300c9ac7b5c705f0c9b4b442044f4e4

SHA512
7da2b64edbc3bcf0eadad6dbc4465497c8b515962c35ad3733f7f3762596ca69d8967b8f2bead1f5ee2a31680a1bd22f4c4ce6351170462b3c0a6595df6aaec0

Download Submit
memory/3320-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3320-1-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3320-2-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3320-3-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download
memory/3320-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4780-19-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/4780-20-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/4780-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download