203dc8c47124ff52b9c45b7604dde5a68b99ed1e25bdabd8bb1cfb5ab0ac12d7

Analysis

max time kernel
87s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 06:39

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General

Target

2024-09-07_6d1471eadaae4cf99ac8438c06f9ad4e_cryptolocker.exe
Size

49KB
MD5

6d1471eadaae4cf99ac8438c06f9ad4e
SHA1

db9d13ef1d157854414d73faad85876ac7f07cf1
SHA256

203dc8c47124ff52b9c45b7604dde5a68b99ed1e25bdabd8bb1cfb5ab0ac12d7
SHA512

c6bb2bcbb1c3e4f7034027fc0ea0f67c419652fe7bf0780e6566103f08d722c5093b12fd0365e4138960c1b14a219ff858e0f784bb3d6e3131d077027a318934
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatsh/:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7q

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	2024-09-07_6d1471eadaae4cf99ac8438c06f9ad4e_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
2828	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	2024-09-07_6d1471eadaae4cf99ac8438c06f9ad4e_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 4568 wrote to memory of 2828	4568	2024-09-07_6d1471eadaae4cf99ac8438c06f9ad4e_cryptolocker.exe	85
PID 4568 wrote to memory of 2828	4568	2024-09-07_6d1471eadaae4cf99ac8438c06f9ad4e_cryptolocker.exe	85
PID 4568 wrote to memory of 2828	4568	2024-09-07_6d1471eadaae4cf99ac8438c06f9ad4e_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-07_6d1471eadaae4cf99ac8438c06f9ad4e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_6d1471eadaae4cf99ac8438c06f9ad4e_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4568
- 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:2828

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
49KB

MD5
611c4ddf0e5c5c2253a065970a74317f

SHA1
84688bf48466de20f5eac413f9c7b85cc1c36496

SHA256
f65b687f08310792b977a141121246ad3e560b9fca9d0b3b64ceced7667072b0

SHA512
85ed236b8eb0bef192883fdb5a87d223132417448cec83cd73d2f02bbab32b2b09241a4d23bc8bdde8e2de8829aa2c552dc6120ac3ba14995c585ce16616d4d6

Download Submit
memory/2828-25-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4568-0-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/4568-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/4568-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download