71b8cda5c1532166a2847b632ddc193dbac92b58cd28961380524473d66dc092

Analysis

max time kernel
92s
max time network
146s
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, 05:22

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General

Target

2024-11-20_0c56b6140c8bb76e3b2c457433be79ec_cryptolocker.exe
Size

69KB
MD5

0c56b6140c8bb76e3b2c457433be79ec
SHA1

d3ba4f82befa7021e451827e93c06fb35a0488b6
SHA256

71b8cda5c1532166a2847b632ddc193dbac92b58cd28961380524473d66dc092
SHA512

1c8e636f3405a6771a73986212ba3c5add5cf69dfd21ac2bf9b0ed4869e2423a6e3ccd1f94b4aabfd52487e70c0a6cc5a7080ecd584a74b365a956ef4b60d04b
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLE2:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7e

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-11-20_0c56b6140c8bb76e3b2c457433be79ec_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
4680	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_0c56b6140c8bb76e3b2c457433be79ec_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 464 wrote to memory of 4680	464	2024-11-20_0c56b6140c8bb76e3b2c457433be79ec_cryptolocker.exe	84
PID 464 wrote to memory of 4680	464	2024-11-20_0c56b6140c8bb76e3b2c457433be79ec_cryptolocker.exe	84
PID 464 wrote to memory of 4680	464	2024-11-20_0c56b6140c8bb76e3b2c457433be79ec_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-11-20_0c56b6140c8bb76e3b2c457433be79ec_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_0c56b6140c8bb76e3b2c457433be79ec_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:464
- 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:4680

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
5ff45310eba8629ae2785defe02525b4

SHA1
1c808e995be4ba17290cc305cbf6e612815a1c4c

SHA256
2aed72e3619d81aea5c84955b5405f1bea817fcb78af34a8863c7d4d0eb9be1c

SHA512
c87d736ab32f7d09ff726123cff9c61a035533dbb081e26919a4e1835caf19af61a22a05ba021027aac3977c1e60d631b8c2f63328e67550f7658f19ccb1600c

Download Submit
memory/464-0-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/464-1-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/464-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4680-19-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download