ea0034de845eee8deb8d1b1948a6f1409347b12ca72ddc4230f9c9d8eec7ceaa

Analysis

max time kernel
94s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 03:24

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General

Target

2024-09-27_1653c1bcf3eb1823dbfa181b9f90d7d6_cryptolocker.exe
Size

69KB
MD5

1653c1bcf3eb1823dbfa181b9f90d7d6
SHA1

6baa49f6c0e0c99c1cdbf4359d9af86a9d5b79db
SHA256

ea0034de845eee8deb8d1b1948a6f1409347b12ca72ddc4230f9c9d8eec7ceaa
SHA512

4107f24803af621ba8abd69048ecf7be63d9bfd6869081de7efe45446c83d380bd11c83e34821e83ba079a3fc6e9404329dfde271d3d664625cc1989410228e3
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF299N2UYG:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7B

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	2024-09-27_1653c1bcf3eb1823dbfa181b9f90d7d6_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
3752	hurok.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	hurok.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_1653c1bcf3eb1823dbfa181b9f90d7d6_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 3752	4712	2024-09-27_1653c1bcf3eb1823dbfa181b9f90d7d6_cryptolocker.exe	83
PID 4712 wrote to memory of 3752	4712	2024-09-27_1653c1bcf3eb1823dbfa181b9f90d7d6_cryptolocker.exe	83
PID 4712 wrote to memory of 3752	4712	2024-09-27_1653c1bcf3eb1823dbfa181b9f90d7d6_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-09-27_1653c1bcf3eb1823dbfa181b9f90d7d6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_1653c1bcf3eb1823dbfa181b9f90d7d6_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3752

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\hurok.exe

Filesize
69KB

MD5
17be469efa1eb1ddb01999f1f46420e5

SHA1
e797079a4c55a618dd317abbd37c977a4bf42fa1

SHA256
3c4cc4ba5cfcec192e786487868346c968905d391825bcb170bec315296dccf1

SHA512
e45c9550c834a276eb2baa4d99ade498b6ea9f70c9c96594186095021ae5c9c169d7130b3b7969c92534b00f937699ae187e0f9fb47f279fc22e110f9228a641

Download Submit
memory/4712-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4712-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4712-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download