54dfcd77e173a07b730933ccedc47adbe342236be152e8f217da0af4d2529a24

Analysis

max time kernel
95s
max time network
151s
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, 05:29

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General

Target

2024-11-20_fc76457e06bae2a105e6754e3139fb5c_cryptolocker.exe
Size

48KB
MD5

fc76457e06bae2a105e6754e3139fb5c
SHA1

ce1b13be5f93d9ea5a76b4eb839fcf098737ce24
SHA256

54dfcd77e173a07b730933ccedc47adbe342236be152e8f217da0af4d2529a24
SHA512

887efbf2c3b02559cb8179d9d11375c761eeedffee2ef147ab5b8bd2b09b430e13efc6e8f6bd8dbb9c209246fb3dc6592b62092c4f309309b21dacf687a9c4b7
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatS:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7+

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2024-11-20_fc76457e06bae2a105e6754e3139fb5c_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
3144	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_fc76457e06bae2a105e6754e3139fb5c_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 3600 wrote to memory of 3144	3600	2024-11-20_fc76457e06bae2a105e6754e3139fb5c_cryptolocker.exe	84
PID 3600 wrote to memory of 3144	3600	2024-11-20_fc76457e06bae2a105e6754e3139fb5c_cryptolocker.exe	84
PID 3600 wrote to memory of 3144	3600	2024-11-20_fc76457e06bae2a105e6754e3139fb5c_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-11-20_fc76457e06bae2a105e6754e3139fb5c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_fc76457e06bae2a105e6754e3139fb5c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3600
- 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:3144

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
48KB

MD5
84aa312b5fd06dd4c74b53af2ba708a3

SHA1
f7449a74c318327edc1d0622328e138cd46b87f3

SHA256
d305a86989d8121f7f6df707910f74caf102e014f3f7f3570344ed9823e8b5a3

SHA512
55087d65729b970864214870c9a7a264d2cc627e34b6be1ef55160fa83eba9faa13d3fb63246dbf87635e558a26e0161c697c26a104dfeb1cc30d53e890b81c9

Download Submit
memory/3144-25-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/3600-0-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/3600-1-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/3600-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download