7bc3970080620153d47e7f68debcbb0e1cdd15ef4e4f14d7e2fb217d65e9922e

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 01:23

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General

Target

2024-10-02_0e424058e066fa243acf0e1c433dc2b9_cryptolocker.exe
Size

29KB
MD5

0e424058e066fa243acf0e1c433dc2b9
SHA1

3f437174d921421991e85c0f50bbf7dc00b9c380
SHA256

7bc3970080620153d47e7f68debcbb0e1cdd15ef4e4f14d7e2fb217d65e9922e
SHA512

163c3559077ece78972c7a597884f9b1e4e3c7e539fab592a741af80c5c5a361f0d42def9e0866e134df4dd8bc2ba2cf936965529adb8a830517d53690e84e62
SSDEEP

768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGuOtCF7WDQR:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XC

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-10-02_0e424058e066fa243acf0e1c433dc2b9_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

pid	Process
4252	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	2024-10-02_0e424058e066fa243acf0e1c433dc2b9_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 1952 wrote to memory of 4252	1952	2024-10-02_0e424058e066fa243acf0e1c433dc2b9_cryptolocker.exe	82
PID 1952 wrote to memory of 4252	1952	2024-10-02_0e424058e066fa243acf0e1c433dc2b9_cryptolocker.exe	82
PID 1952 wrote to memory of 4252	1952	2024-10-02_0e424058e066fa243acf0e1c433dc2b9_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-02_0e424058e066fa243acf0e1c433dc2b9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-02_0e424058e066fa243acf0e1c433dc2b9_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1952
- 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:4252

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
29KB

MD5
c549ba9a1a13a9464e72f60ed440d705

SHA1
42cf2efc8ef57643082f475afce6397eececb6e5

SHA256
17b9a57dc314707f2ba54033f1bf5890dac2878fdeefd05450f52fc09d3a8107

SHA512
0ec17ed22e79cbcdd461a301b3b51cc4e283bc81b18224f6a4076f0cf1bde849a712cc398c461e3919193ae2d8eb503fb8819a10ae6f98503b22f51e0f0bf759

Download Submit
memory/1952-0-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/1952-1-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/1952-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4252-19-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download