305dfba9f2f230444ed363e61d64226f86d797c7d78d3a609387f25447527a29

Analysis

max time kernel
148s
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
31-10-2024 08:27

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General

Target

2024-10-31_816cb9d995a962b11c9cc873cc5c643a_cryptolocker.exe
Size

48KB
MD5

816cb9d995a962b11c9cc873cc5c643a
SHA1

3e86321c2cce8674e83b126aae75077f39d3f730
SHA256

305dfba9f2f230444ed363e61d64226f86d797c7d78d3a609387f25447527a29
SHA512

c893b71b726500f6031fe2d8c2d09fca45df848c6ac6036321bd1ea43af3e7eda0f5ad62108d498005544e5e9ef37f1ff3c40effa49001870895af131e065804
SSDEEP

768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zrPv:y6QFElP6n+gMQMOtEvwDpjbizbR9XwzL

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	2024-10-31_816cb9d995a962b11c9cc873cc5c643a_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4424	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	2024-10-31_816cb9d995a962b11c9cc873cc5c643a_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 3356 wrote to memory of 4424	3356	2024-10-31_816cb9d995a962b11c9cc873cc5c643a_cryptolocker.exe	85
PID 3356 wrote to memory of 4424	3356	2024-10-31_816cb9d995a962b11c9cc873cc5c643a_cryptolocker.exe	85
PID 3356 wrote to memory of 4424	3356	2024-10-31_816cb9d995a962b11c9cc873cc5c643a_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-31_816cb9d995a962b11c9cc873cc5c643a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_816cb9d995a962b11c9cc873cc5c643a_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3356
- 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:4424

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
1629ae2194992a502896122c823b5127

SHA1
32c1aaed67213ece38b9e72a43508111b355e6bb

SHA256
c69ad9f8e510e08cb4034774209ff63585e92a043eccf9d0853d6af94ab105ee

SHA512
74da66ee806fb95665079f75d521e1a8c78ae3d13263e0ae5ed2baf54acfdc97026d7a5ca67b5ae90bc07fb33914892a055733551db3365942448755d3461d94

Download Submit
memory/3356-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3356-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3356-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4424-17-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/4424-23-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download