8e959b1cdf1f952200c34b5e5c59996c278c0d89beb0aec0dfb88227169c2346

Analysis

max time kernel
149s
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
18/10/2024, 03:58

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General

Target

2024-10-18_a5fb718290fa464ba7856df49616b4e1_cryptolocker.exe
Size

40KB
MD5

a5fb718290fa464ba7856df49616b4e1
SHA1

feb3ab9e34eb980a68da7145c3d61ccfd8f015c3
SHA256

8e959b1cdf1f952200c34b5e5c59996c278c0d89beb0aec0dfb88227169c2346
SHA512

0005dd895987b3ee2cc5aa9966f29e5afe5454d34777b66c5a7e1ce06fba034e8ba779d46537e3208fd29091f0359f33c7c52efa7b0bd6385166699ca26c0630
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCw0r:X6QFElP6n+gJQMOtEvwDpjBmzDU5r

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2024-10-18_a5fb718290fa464ba7856df49616b4e1_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4388	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_a5fb718290fa464ba7856df49616b4e1_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 1848 wrote to memory of 4388	1848	2024-10-18_a5fb718290fa464ba7856df49616b4e1_cryptolocker.exe	85
PID 1848 wrote to memory of 4388	1848	2024-10-18_a5fb718290fa464ba7856df49616b4e1_cryptolocker.exe	85
PID 1848 wrote to memory of 4388	1848	2024-10-18_a5fb718290fa464ba7856df49616b4e1_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-18_a5fb718290fa464ba7856df49616b4e1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_a5fb718290fa464ba7856df49616b4e1_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1848
- 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:4388

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\asih.exe

Filesize
40KB

MD5
69dc2829985790ca025f35fa08408ae0

SHA1
e3ba758b4ad91f53e847507a4a85d2f9c7d860e6

SHA256
431c05a774d2246870d425dbd5bb2ba8b79e9db0f77a75c09c95a81bc5aa0419

SHA512
5e46ee49a9c75f24509240b41da217aa60c95f0925398bca3a6418f4d04666e6ff1f2159108f26ec2352f0b92e132e82349ee56445a14bf3bbf3c1208bb4b39c

Download Submit
memory/1848-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1848-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1848-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4388-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4388-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download