2500ed4c3e31e44c1e4c9650dccce5aae555edfbc1f6d89394c534efdf3cba8f

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
12/09/2024, 05:25

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General

Target

2024-09-12_2d5f56bf8647ee0e3ad721ce81a0bf01_cryptolocker.exe
Size

47KB
MD5

2d5f56bf8647ee0e3ad721ce81a0bf01
SHA1

a1110d9ba46dab8454d19bde51cddb38586d170a
SHA256

2500ed4c3e31e44c1e4c9650dccce5aae555edfbc1f6d89394c534efdf3cba8f
SHA512

d6474979ae274e82e8a6b46ca7e82a2b369b3755bd84f0e6b954ac19ea1b0937eb96379c19e1d937e885f8fed332e464a5bbce121da2a7df709d34bacd8654e6
SSDEEP

768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zrF:y6QFElP6n+gMQMOtEvwDpjbizbR9Xwzp

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-09-12_2d5f56bf8647ee0e3ad721ce81a0bf01_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1472	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	2024-09-12_2d5f56bf8647ee0e3ad721ce81a0bf01_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 4912 wrote to memory of 1472	4912	2024-09-12_2d5f56bf8647ee0e3ad721ce81a0bf01_cryptolocker.exe	83
PID 4912 wrote to memory of 1472	4912	2024-09-12_2d5f56bf8647ee0e3ad721ce81a0bf01_cryptolocker.exe	83
PID 4912 wrote to memory of 1472	4912	2024-09-12_2d5f56bf8647ee0e3ad721ce81a0bf01_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-09-12_2d5f56bf8647ee0e3ad721ce81a0bf01_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_2d5f56bf8647ee0e3ad721ce81a0bf01_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4912
- 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:1472

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\asih.exe

Filesize
47KB

MD5
56a15d6175e7fc6fc17941063980d3a6

SHA1
a98aa042da0429a757e61d47b223502a6837fb8f

SHA256
9dfb9ae6680e2122431a8d8c885877f3592ad7cc4d847ce83b4b910d2c01c1ca

SHA512
0653c2badf7d506efe172b9c5335f367bf862d6a310cb5126d2ce46ee0463386ca1996f85d588a10fd5536e79de353cdeb6123d5d7865ce5056487e7da6ad20a

Download Submit
memory/1472-18-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/1472-17-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/4912-0-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/4912-1-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/4912-2-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download