0691740aa08c0f7ee83d0e40944e94a350bae36f10a2fffd550669144bf56dbe

Analysis

max time kernel
148s
max time network
149s
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 01:23

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General

Target

2024-09-07_d0814ae07fb250a87453a66ef46bad7c_cryptolocker.exe
Size

43KB
MD5

d0814ae07fb250a87453a66ef46bad7c
SHA1

aff70256dc117338f5ef278fa7683950ee79a844
SHA256

0691740aa08c0f7ee83d0e40944e94a350bae36f10a2fffd550669144bf56dbe
SHA512

aa16c299ebc852e7cb7fbe6843821099790db1aaa7d893d3825dc4f14633a2adb4fd88c4217d1e10a582c58ca65be22f686e43037578c851c720e4a2d44fefd3
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95h:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDFv

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	2024-09-07_d0814ae07fb250a87453a66ef46bad7c_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
448	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_d0814ae07fb250a87453a66ef46bad7c_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 2016 wrote to memory of 448	2016	2024-09-07_d0814ae07fb250a87453a66ef46bad7c_cryptolocker.exe	84
PID 2016 wrote to memory of 448	2016	2024-09-07_d0814ae07fb250a87453a66ef46bad7c_cryptolocker.exe	84
PID 2016 wrote to memory of 448	2016	2024-09-07_d0814ae07fb250a87453a66ef46bad7c_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-07_d0814ae07fb250a87453a66ef46bad7c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_d0814ae07fb250a87453a66ef46bad7c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2016
- 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:448

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
43KB

MD5
764e8a6863dc9a9f705fdfe297d47e24

SHA1
6e0ff5f0500b96308ef8997da51848b432fe095e

SHA256
4d0641b00938243ca5bf5b0eff72112c4d3e7e1b5c313fa7825ffa81b6eb52ad

SHA512
c0742e3c504234a97545a4dc942f8a5cc32e07c41955f22a42dd03d64f32f6db277e769d7e863b7a16fccd766a9f926db1956ee1bd4337568e70191f0e8c3611

Download Submit
memory/448-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/448-23-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2016-0-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/2016-1-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/2016-2-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download