b94eadc771199c6a947ee17224e92bd427cbfebafffd42375c799efd1ddf51e9

Analysis

max time kernel
149s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 18:25

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General

Target

2024-10-04_2c2ed652b09624210454ac6e1d9a1ac6_cryptolocker.exe
Size

31KB
MD5

2c2ed652b09624210454ac6e1d9a1ac6
SHA1

8ee8ef2e6349dcb23822b498eb4cdf2894264879
SHA256

b94eadc771199c6a947ee17224e92bd427cbfebafffd42375c799efd1ddf51e9
SHA512

a4a1f90aae212ec476598cda90ae60f6850615e7cd8aa9838f350b65a58b93e5d4fcd6b5577ce06fccff7ae2ea78bc48e9ca9d16741c5c4487fb65b9c6906f5b
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNfa:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XL

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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	2024-10-04_2c2ed652b09624210454ac6e1d9a1ac6_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
3704	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	2024-10-04_2c2ed652b09624210454ac6e1d9a1ac6_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 3704	1628	2024-10-04_2c2ed652b09624210454ac6e1d9a1ac6_cryptolocker.exe	85
PID 1628 wrote to memory of 3704	1628	2024-10-04_2c2ed652b09624210454ac6e1d9a1ac6_cryptolocker.exe	85
PID 1628 wrote to memory of 3704	1628	2024-10-04_2c2ed652b09624210454ac6e1d9a1ac6_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-04_2c2ed652b09624210454ac6e1d9a1ac6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-04_2c2ed652b09624210454ac6e1d9a1ac6_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1628
- 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:3704

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
31KB

MD5
e7357a71d8c950f493d397eb852a9288

SHA1
82e62516631c2bb8e06c0415e49ed6f5694dadd1

SHA256
4b5ab5235de25811ef7fca78b4aac7ef686d44ba12576685aa64730d4273b17f

SHA512
17a81f5e735a6b98b401ae91e83ff0de82ba1c5b50194f85a79ea3b523748c4185fe5c6f6416b6f05af9f302d5e5e2e09da811637d02fc2edecf70ea4c55340f

Download Submit
memory/1628-0-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/1628-1-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download
memory/1628-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3704-25-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download