ae63d891d22f5a885ea94257f6f2b40ac843389bd0ec96b658d0f87f2fe67aa3

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 14:21

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General

Target

2024-09-12_0cd5f54d965360bb59d687b8d9f3d64f_cryptolocker.exe
Size

43KB
MD5

0cd5f54d965360bb59d687b8d9f3d64f
SHA1

a1cb9e64dbdd4c0aaedab658eddd826e08052b36
SHA256

ae63d891d22f5a885ea94257f6f2b40ac843389bd0ec96b658d0f87f2fe67aa3
SHA512

6df792d51735f2136fc51d417547e8f443d918776e8bf62b34be996915c0f29ce9c0a14ed6b15751911a739efaaf9233baa73d826d8deb40b1e18bcab1b26bf1
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95p:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDFn

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-12_0cd5f54d965360bb59d687b8d9f3d64f_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3164	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	2024-09-12_0cd5f54d965360bb59d687b8d9f3d64f_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 4788 wrote to memory of 3164	4788	2024-09-12_0cd5f54d965360bb59d687b8d9f3d64f_cryptolocker.exe	84
PID 4788 wrote to memory of 3164	4788	2024-09-12_0cd5f54d965360bb59d687b8d9f3d64f_cryptolocker.exe	84
PID 4788 wrote to memory of 3164	4788	2024-09-12_0cd5f54d965360bb59d687b8d9f3d64f_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-12_0cd5f54d965360bb59d687b8d9f3d64f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_0cd5f54d965360bb59d687b8d9f3d64f_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4788
- 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:3164

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
48d5c66397bf1e764660450dc8ed82b0

SHA1
62b57f2143f7fc46279c3a822a423af48aab1140

SHA256
4272fa3402e29e1e4be389e2a2aac4c7d93a9270fb95e0dcd391c3c2444a499a

SHA512
e056f98acb9b3dc38d71ef09c15d11a17415458c4b5b79e6a6e3604caf3f3751fd0fb8a2a3ce297b9728614fb90f1871e9c8435e2568701421a49bbff70d6a62

Download Submit
memory/3164-23-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3164-17-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/4788-0-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4788-1-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4788-2-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download