68992fccf77818812b3cad281847d721be238616a5d592d6f5397aa8fad2ca36

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 06:43

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General

Target

2024-09-07_915db828958122b03997f1ccc1f6de2a_cryptolocker.exe
Size

73KB
MD5

915db828958122b03997f1ccc1f6de2a
SHA1

852603577e261bb8e74a49ac20bf1cf7a0d40f7e
SHA256

68992fccf77818812b3cad281847d721be238616a5d592d6f5397aa8fad2ca36
SHA512

8c0190577e024b21f141777716beb766e34da88af2d3b6f859d8606962ac82d1306d342dc8931631ecfb418c282feeb62a20de5f342556c03fb69b33a72a82bd
SSDEEP

768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMs1:u6QFElP6n+gWMOtEvwDpjJGYQb1

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2024-09-07_915db828958122b03997f1ccc1f6de2a_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1112	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	2024-09-07_915db828958122b03997f1ccc1f6de2a_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 2248 wrote to memory of 1112	2248	2024-09-07_915db828958122b03997f1ccc1f6de2a_cryptolocker.exe	84
PID 2248 wrote to memory of 1112	2248	2024-09-07_915db828958122b03997f1ccc1f6de2a_cryptolocker.exe	84
PID 2248 wrote to memory of 1112	2248	2024-09-07_915db828958122b03997f1ccc1f6de2a_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-07_915db828958122b03997f1ccc1f6de2a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_915db828958122b03997f1ccc1f6de2a_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248
- 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:1112

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
73KB

MD5
11237faebfa94731168676d81aabe309

SHA1
9cfde7280f3231c5cd921ce8fbcc76c323090e70

SHA256
7740443d7976598e0cb22760a6c80c044403b1c0d55744d2ce77befb3d6444c3

SHA512
34d71a56563900d83d37246b4b55e1ae837062b3f37445767d9843ecb75c7981c70f797528a81a5ec955a23666aed1e7fb07fb5de6338513b45fe65042839ba6

Download Submit
memory/1112-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1112-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2248-0-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2248-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2248-2-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download