326144d608c2bcbe3488cbb635332ed6ee419c5fbd2ab06d565d5cc6aa7c88ad

Analysis

max time kernel
150s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 08:26

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General

Target

2024-10-31_5f275dd72ba777cd5fca170f2ad5cb79_cryptolocker.exe
Size

34KB
MD5

5f275dd72ba777cd5fca170f2ad5cb79
SHA1

03b369d204e15c4ba4c1fb0a49eb173086fd65e5
SHA256

326144d608c2bcbe3488cbb635332ed6ee419c5fbd2ab06d565d5cc6aa7c88ad
SHA512

0e70a5717e13d262497cfb5d631bb0f81667e1d5a2384c1e49010d69c4de65e8e3c9688daa3ab47084fc28bc3ace20e98a0f5168bdbfd9a2954101bfa600069d
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B4lWS+gp:btB9g/WItCSsAGjX7r3B4GM

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-10-31_5f275dd72ba777cd5fca170f2ad5cb79_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4692	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	2024-10-31_5f275dd72ba777cd5fca170f2ad5cb79_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 4856 wrote to memory of 4692	4856	2024-10-31_5f275dd72ba777cd5fca170f2ad5cb79_cryptolocker.exe	87
PID 4856 wrote to memory of 4692	4856	2024-10-31_5f275dd72ba777cd5fca170f2ad5cb79_cryptolocker.exe	87
PID 4856 wrote to memory of 4692	4856	2024-10-31_5f275dd72ba777cd5fca170f2ad5cb79_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-10-31_5f275dd72ba777cd5fca170f2ad5cb79_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_5f275dd72ba777cd5fca170f2ad5cb79_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4856
- 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:4692

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

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Downloads

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

Filesize
34KB

MD5
a0ab9db2b48dfda8ff13797b63457be1

SHA1
4bcb736f66679c6164eee18985da55bc6760a7cb

SHA256
151219a5b258fcb8ec9f68a9b00e150b2a17866d4142469f5b62f8c9a1a5f49b

SHA512
3e5dda629126754cb7b6c70d3e4c843b7fd8e9d84ebb27b0b1fb5b9b665192098aa24c5baeb7f6d79045938896ec7d5fd1bd87dd866df073b4641b386e2cfa24

Download Submit
memory/4692-25-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/4856-0-0x00000000022B0000-0x00000000022B6000-memory.dmp

Filesize
24KB

Download
memory/4856-1-0x00000000022B0000-0x00000000022B6000-memory.dmp

Filesize
24KB

Download
memory/4856-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download