e817bc1a4e97b2a504fc0a528f734764c35d0b0e0459f5b14a5c98d78fd27e27

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14/10/2024, 03:38

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General

Target

2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe
Size

40KB
MD5

7cb32cdb60847ab7a2ee2301353d9d5f
SHA1

36d5b05d34a4aaab4cc794bdf0bb7947c7bb1dda
SHA256

e817bc1a4e97b2a504fc0a528f734764c35d0b0e0459f5b14a5c98d78fd27e27
SHA512

ffa755b38917600c7a6236117cc9a9696dc728a77981d0399ae83fe0a51a9b284a4a879754ff02bf81fd9cf1ea0eb6e13c262dc6bd2eb2ea2e3e2f9cbbc5acce
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSy3Lb:btB9g/WItCSsAGjX7e9N0hunRvv

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3556	gewos.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	2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 3556	1356	2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe	87
PID 1356 wrote to memory of 3556	1356	2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe	87
PID 1356 wrote to memory of 3556	1356	2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-14_7cb32cdb60847ab7a2ee2301353d9d5f_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1356
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3556

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\gewos.exe

Filesize
40KB

MD5
e1f0db92ce04ab23f8eed74ef55e051d

SHA1
6268423354497a2bf82aa058bab16424efa155b8

SHA256
064f34363748fcd9910104f0a70d7185201935021acab8011c94dbaee76203c4

SHA512
7d63f46fc5d6cee0cae9a3cfc63f7a505e83620adb875a418d9932f81a5d826f45ce10c13d6667d47147562849928588a2ef3bd2f73ec0d4e5b9d4e39d3bc85a

Download Submit
memory/1356-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1356-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1356-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3556-25-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download