5768ba42062e2575d124a709799245d3e1963e02cbe825b9be5770a912893cfd

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 03:22

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General

Target

2024-11-20_1252ad494ffdd3773a4f8dbf02b365d9_cryptolocker.exe
Size

69KB
MD5

1252ad494ffdd3773a4f8dbf02b365d9
SHA1

6244f4bf344c018fbb059d6b5403ed1e40dc19cd
SHA256

5768ba42062e2575d124a709799245d3e1963e02cbe825b9be5770a912893cfd
SHA512

994a9e0f812c2caaead9b7961dbcf05b2ef1b8d934c2b46948cd72afc08e835726f88c81ac38401358b56a2b39f6b3b21c813768837171d82d157fbad2123068
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLE0:aq7tdgI2MyzNORQtOflIwoHNV2XBFV78

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2024-11-20_1252ad494ffdd3773a4f8dbf02b365d9_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
3620	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	2024-11-20_1252ad494ffdd3773a4f8dbf02b365d9_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 4880 wrote to memory of 3620	4880	2024-11-20_1252ad494ffdd3773a4f8dbf02b365d9_cryptolocker.exe	84
PID 4880 wrote to memory of 3620	4880	2024-11-20_1252ad494ffdd3773a4f8dbf02b365d9_cryptolocker.exe	84
PID 4880 wrote to memory of 3620	4880	2024-11-20_1252ad494ffdd3773a4f8dbf02b365d9_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-11-20_1252ad494ffdd3773a4f8dbf02b365d9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_1252ad494ffdd3773a4f8dbf02b365d9_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4880
- 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:3620

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
1be193a2eb4c080baed227a1bab51fde

SHA1
eed25a98f089d491fbc706ed35bb3bff8622ced7

SHA256
13d973c9ede16a786d9e388787733493784190df01090cc770f8765f9350f461

SHA512
e073981fe75cb404280857be708b7168b315492e6c39997bd3d10b60fc4d4451f882443971f9b605dd08958f9f431cd5e43ce8563ef449b3b7f7641049d270cc

Download Submit
memory/3620-19-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/4880-0-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/4880-1-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/4880-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download