2dfccd6661693e3229cb1e95029e4cbca4c7661dcc663298b061012413a03058

Analysis

max time kernel
148s
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
08/10/2024, 21:22

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General

Target

2024-10-08_1b81b145b0e96e9b2be7aafb0f51ed5f_cryptolocker.exe
Size

28KB
MD5

1b81b145b0e96e9b2be7aafb0f51ed5f
SHA1

162a7d7138cff2fee0e5ce419778a8c82d4ecd82
SHA256

2dfccd6661693e3229cb1e95029e4cbca4c7661dcc663298b061012413a03058
SHA512

aee69e717566fdf7dd76adf0164ac68a1f815210ff6745fef8a75bbf2bebce1ae7d18b510fbd6061b23b0c97c3b38b5faff27e513fcb3d7ebe2eaf99ac51f49c
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoCt3:b7o/2n1TCraU6GD1a4Xt3

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2024-10-08_1b81b145b0e96e9b2be7aafb0f51ed5f_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2536	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	2024-10-08_1b81b145b0e96e9b2be7aafb0f51ed5f_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 2760 wrote to memory of 2536	2760	2024-10-08_1b81b145b0e96e9b2be7aafb0f51ed5f_cryptolocker.exe	84
PID 2760 wrote to memory of 2536	2760	2024-10-08_1b81b145b0e96e9b2be7aafb0f51ed5f_cryptolocker.exe	84
PID 2760 wrote to memory of 2536	2760	2024-10-08_1b81b145b0e96e9b2be7aafb0f51ed5f_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-08_1b81b145b0e96e9b2be7aafb0f51ed5f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-08_1b81b145b0e96e9b2be7aafb0f51ed5f_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760
- 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:2536

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
28KB

MD5
f52d2af45dd930005b1c52659ebe9fbc

SHA1
6e5ff1b456d39bec8d02ee0f8d9838d0cb3504bf

SHA256
b224033476d7a0ae8b71485dcc2aa03b660387818e0e5566865bc7d783ddabc3

SHA512
9621c0fcd6195caf11fd74765a215882082312699e8fd2cd9de986da9c9f9b0955a27c8033a51a8ad492f35b90c886619b26dc3f44499358238709c1af96f7b5

Download Submit
memory/2536-25-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/2760-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/2760-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/2760-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download