df44806638a58fdf0f618d21a351a5d9a31519a883858cb676af8a77a73b427a

Analysis

max time kernel
149s
max time network
152s
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 03:25

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General

Target

2024-10-04_222420112299ae75d8b6cd6bd6194cd5_cryptolocker.exe
Size

67KB
MD5

222420112299ae75d8b6cd6bd6194cd5
SHA1

c24205b76a9fd4bc467dd1c8d262753fa27d6815
SHA256

df44806638a58fdf0f618d21a351a5d9a31519a883858cb676af8a77a73b427a
SHA512

5f67b64468be06ed6186a724b9298235f1c6b5cbecb0f7826ed7954936c35705f35c6f09d6a94e5b702a76845d59470a42120b071002e53d2136eab902d213f2
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293WJ:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7C

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_222420112299ae75d8b6cd6bd6194cd5_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
2344	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_222420112299ae75d8b6cd6bd6194cd5_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 1548 wrote to memory of 2344	1548	2024-10-04_222420112299ae75d8b6cd6bd6194cd5_cryptolocker.exe	86
PID 1548 wrote to memory of 2344	1548	2024-10-04_222420112299ae75d8b6cd6bd6194cd5_cryptolocker.exe	86
PID 1548 wrote to memory of 2344	1548	2024-10-04_222420112299ae75d8b6cd6bd6194cd5_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-04_222420112299ae75d8b6cd6bd6194cd5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-04_222420112299ae75d8b6cd6bd6194cd5_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1548
- 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:2344

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
67KB

MD5
8d6433d669a696840ac07002ce20d385

SHA1
0715b1c6a688d872d029afe5ba6d7dbe8da0057d

SHA256
a245d181e3b9b29c19a8d2180237a6b9009b701fa0a9a86d5df2cb9d39694475

SHA512
84d06365bda8d249b70957b3c89a19a6c168919f3cf1de3fa60fbfb799ad442ce6a4a5a9e26737301af3b2fd169c6c97b45fcea0792dda0a0c60aa0eec3ce558

Download Submit
memory/1548-0-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/1548-1-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/1548-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2344-25-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download