8f637ffdcd465818b8d4999d682dd1d3572bab8468b51e41fa21c01e87b86991

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 03:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-18_8883063ba23d6acaae9b279e3e94166b_cryptolocker.exe
Size

46KB
MD5

8883063ba23d6acaae9b279e3e94166b
SHA1

9ea880921666ee4ce564970bdf15c3d575973e89
SHA256

8f637ffdcd465818b8d4999d682dd1d3572bab8468b51e41fa21c01e87b86991
SHA512

1829e2e22e5be3c884a31a97cb1889c79e442773c135bb6d3dd08e2a8c3c94f19e0197b7f4428a869495184bd17a2a9caaaa55cabf4c9a3669c1ca64be1afd34
SSDEEP

768:bao/2n1TCraU6GD1a4X1XOQ69zbjlAAX5e9zQ:bF/y2lFizbR9XwzQ

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2024-10-18_8883063ba23d6acaae9b279e3e94166b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2344	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	2024-10-18_8883063ba23d6acaae9b279e3e94166b_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 4448 wrote to memory of 2344	4448	2024-10-18_8883063ba23d6acaae9b279e3e94166b_cryptolocker.exe	84
PID 4448 wrote to memory of 2344	4448	2024-10-18_8883063ba23d6acaae9b279e3e94166b_cryptolocker.exe	84
PID 4448 wrote to memory of 2344	4448	2024-10-18_8883063ba23d6acaae9b279e3e94166b_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-18_8883063ba23d6acaae9b279e3e94166b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_8883063ba23d6acaae9b279e3e94166b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4448
- 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:2344

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

Loading Replay Monitor...

Downloads

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

Filesize
46KB

MD5
031517fcfe90e59f8f168c2ecd037d5c

SHA1
30e36fa997757ae3c8cd66097610ea34aea34b39

SHA256
0d7949fc199dbe32dab3e0baf168da97ee1a72c109708e032edb8f5171226e08

SHA512
af9192d00202da01c08cb1f6029ede60f844737a67ab7be0322262ce0a1771d2b0852779946e6955d884e1e5c79994bb4398214dd6e83897a98cfd89e87f8fd8

Download Submit
memory/2344-25-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/4448-0-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/4448-1-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/4448-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download