711608be67040b4077d179c6d9c68a8b1b2bc3a0e20384704255c75612992c60

Analysis

max time kernel
150s
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
18/10/2024, 05:29

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General

Target

2024-10-18_7a9f70ad2429cfe6d8d531e8e990949e_cryptolocker.exe
Size

28KB
MD5

7a9f70ad2429cfe6d8d531e8e990949e
SHA1

a64d9d7cb5ad2a3a71cfc40783184c9d29cfeedd
SHA256

711608be67040b4077d179c6d9c68a8b1b2bc3a0e20384704255c75612992c60
SHA512

1461a9be08297d8351e3ca953b4dca9dc0d57db513c962c795abb6172d5263225350fd86535c4ea60500eec848f780b8cdbaa9bbde3ad99b000166aee6b5d7d9
SSDEEP

768:jOb2gOo0mw18ae8MrQRN7DctOOtEvwDpjQL:jKUog898rYMOtEvwDpja

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_7a9f70ad2429cfe6d8d531e8e990949e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2652	asih.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_7a9f70ad2429cfe6d8d531e8e990949e_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 2652	4556	2024-10-18_7a9f70ad2429cfe6d8d531e8e990949e_cryptolocker.exe	87
PID 4556 wrote to memory of 2652	4556	2024-10-18_7a9f70ad2429cfe6d8d531e8e990949e_cryptolocker.exe	87
PID 4556 wrote to memory of 2652	4556	2024-10-18_7a9f70ad2429cfe6d8d531e8e990949e_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-10-18_7a9f70ad2429cfe6d8d531e8e990949e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_7a9f70ad2429cfe6d8d531e8e990949e_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4556
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2652

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\asih.exe

Filesize
28KB

MD5
015b7e61715c63047eee4660f26aaa43

SHA1
fe72db6b5691c7f825b9b7d54e8a5a5f57e4652e

SHA256
1c0c4f8aae93053fea4bbb5373667f045dd88115de55bf719a5c1b21705a1b42

SHA512
f9b9d3b437b6c0c77382beeb3ac540de99a07dcdc0365c83a721a9ccafd913c04ea21c24cef89faf09bb606e1590e5972791f0cacb6c57f27eb36dcefa952d26

Download Submit
memory/2652-21-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/2652-20-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/2652-27-0x0000000000500000-0x0000000000514000-memory.dmp

Filesize
80KB

Download
memory/4556-0-0x0000000000500000-0x0000000000514000-memory.dmp

Filesize
80KB

Download
memory/4556-2-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/4556-1-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/4556-3-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/4556-18-0x0000000000500000-0x0000000000514000-memory.dmp

Filesize
80KB

Download