cdb2c0847ee666664ae6311ac10a0dd0124c5920768f75a6269f49be3d82ba29

Analysis

max time kernel
95s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 03:25

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General

Target

2024-10-04_1e7f6f9a69efd0aa300d9373f538b617_cryptolocker.exe
Size

32KB
MD5

1e7f6f9a69efd0aa300d9373f538b617
SHA1

a960e26484566df6820313423f4835cb54a3d181
SHA256

cdb2c0847ee666664ae6311ac10a0dd0124c5920768f75a6269f49be3d82ba29
SHA512

e5e29a684025ab0be7a2331b4debf368259269248166c6cd68a996626592d369da8853ff08aeef248f152c4b2ee2f573dfe784b1614d443f500c8f5b26af43ad
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNfOu:o1KhxqwtdgI2MyzNORQtOflIwoHNV2X8

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	2024-10-04_1e7f6f9a69efd0aa300d9373f538b617_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
1404	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_1e7f6f9a69efd0aa300d9373f538b617_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 1836 wrote to memory of 1404	1836	2024-10-04_1e7f6f9a69efd0aa300d9373f538b617_cryptolocker.exe	82
PID 1836 wrote to memory of 1404	1836	2024-10-04_1e7f6f9a69efd0aa300d9373f538b617_cryptolocker.exe	82
PID 1836 wrote to memory of 1404	1836	2024-10-04_1e7f6f9a69efd0aa300d9373f538b617_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-04_1e7f6f9a69efd0aa300d9373f538b617_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-04_1e7f6f9a69efd0aa300d9373f538b617_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1836
- 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:1404

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
32KB

MD5
cc83a0c7b3989fddf4ca2113b0d9eaa7

SHA1
a6dba65b654297116b12ee5945a9d80c107d73b0

SHA256
76ad02e952a8fc5cab9f5af25df104a9fb9da1c3b795ff87b4afc13ac8e3652b

SHA512
934022e47dd9f4dc08c48585fe9740f3e809da9e52a6364736d0e696f1961dbca9cce0756a4499b9f075bcf7738d3d71fe24c4762c941b20cf8a19bd2af3196b

Download Submit
memory/1404-19-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1836-0-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/1836-1-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/1836-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download