6d803efebba4d2024deba58471fa705759633a5a6f960d133cf0fcb98b82eed4

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 02:47

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General

Target

2024-09-06_44b68f64c0e54e4239132c984170bde2_cryptolocker.exe
Size

46KB
MD5

44b68f64c0e54e4239132c984170bde2
SHA1

fc58ab49fc4e5600d95791c678ea461ea766ef9e
SHA256

6d803efebba4d2024deba58471fa705759633a5a6f960d133cf0fcb98b82eed4
SHA512

90a90b76d267ea3fd0cb365ffcbb56fc945a205374fadc44f7bc2e1ad6744839a67000b563e9e439867afb2b984d4ebbe75022353f5da498a1820c37e06840d3
SSDEEP

768:bao/2n1TCraU6GD1a4X1XOQ69zbjlAAX5e9zY:bF/y2lFizbR9XwzY

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	2024-09-06_44b68f64c0e54e4239132c984170bde2_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1484	rewok.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	2024-09-06_44b68f64c0e54e4239132c984170bde2_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rewok.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 892 wrote to memory of 1484	892	2024-09-06_44b68f64c0e54e4239132c984170bde2_cryptolocker.exe	86
PID 892 wrote to memory of 1484	892	2024-09-06_44b68f64c0e54e4239132c984170bde2_cryptolocker.exe	86
PID 892 wrote to memory of 1484	892	2024-09-06_44b68f64c0e54e4239132c984170bde2_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-09-06_44b68f64c0e54e4239132c984170bde2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-06_44b68f64c0e54e4239132c984170bde2_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:892
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1484

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\rewok.exe

Filesize
46KB

MD5
baddf72fa1d9fdde4821ef7938ac44e5

SHA1
b60438f5bbdd2fd765a06de270a1f534bef5f9ba

SHA256
21d8b8bdf5e361386cfbace90692d4be4ba0dbf1a08a128bde3b9682ad6f7a8f

SHA512
333221710dc39386fdf91c79fc93262c064cd12aca8b739e2f85cd698a8b81aee614200f83d586107697fa401e2c0627872d22675a85407154a428a7ac474f68

Download Submit
memory/892-0-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/892-1-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/892-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1484-19-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download