b4152dc3940a30b8ca1c0a445985bc9b9e1feafbe4d9ccd9e03a0b968cc97b1d

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
10-10-2024 05:48

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General

Target

2024-10-10_ff25b355f57257ef1e4bbd2b2d6a4bf3_cryptolocker.exe
Size

33KB
MD5

ff25b355f57257ef1e4bbd2b2d6a4bf3
SHA1

6e55265da61b805a65bfabf36b66282ad3b1b5f0
SHA256

b4152dc3940a30b8ca1c0a445985bc9b9e1feafbe4d9ccd9e03a0b968cc97b1d
SHA512

bb6f0cb3941510a1e2fd9cb0976575d1a3595dbc4c1f920a6c8085084ef9a1f458a2d7c15e253c5fe70703b26cd1b1031ead57d6806cbf5046d6efea5a50630d
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3vdoU:bAvJCYOOvbRPDEgXRcJ5

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	2024-10-10_ff25b355f57257ef1e4bbd2b2d6a4bf3_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2496	demka.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	demka.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_ff25b355f57257ef1e4bbd2b2d6a4bf3_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 2496	4020	2024-10-10_ff25b355f57257ef1e4bbd2b2d6a4bf3_cryptolocker.exe	85
PID 4020 wrote to memory of 2496	4020	2024-10-10_ff25b355f57257ef1e4bbd2b2d6a4bf3_cryptolocker.exe	85
PID 4020 wrote to memory of 2496	4020	2024-10-10_ff25b355f57257ef1e4bbd2b2d6a4bf3_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-10_ff25b355f57257ef1e4bbd2b2d6a4bf3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_ff25b355f57257ef1e4bbd2b2d6a4bf3_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2496

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\demka.exe

Filesize
33KB

MD5
9bb3e6a30c9877eb0edfb25ca3981bd0

SHA1
02cf54a58497f8d8f405da50485cb852c5a53627

SHA256
725cc56a314faf34baa8d392f51063d1d7dbdd77cbc6806127885d82580a7769

SHA512
caa08bbd6a0ed33c1750bdd567896581984b086ff7598c5e0efffbee2838f2ffd74012ee7bdbc7deaeb1a8b1d5a66fc876b5042758ca9fa04af199b508c512cc

Download Submit
memory/2496-19-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/4020-0-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/4020-1-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/4020-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download