d8afb6fd21cccab5d5829d039b23d9da82080536b4c22a6bd1b39a134ddd797a

Analysis

max time kernel
149s
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
03/09/2024, 00:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-03_681a3869693ccb08fe34baf4a58bbd74_cryptolocker.exe
Size

44KB
MD5

681a3869693ccb08fe34baf4a58bbd74
SHA1

d9b7f498a0dbfe4d77eb7c12760170aa59f14197
SHA256

d8afb6fd21cccab5d5829d039b23d9da82080536b4c22a6bd1b39a134ddd797a
SHA512

c3da70b7568fad1208883e1bbd4b3dc5ab2d643d62874ca82fcb90d9eb95f55da78f53344ea5a53994cc8f6e332e1a6dc29e05d1426ad309c6beee8f37706ab4
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95WJlB:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDFi

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	2024-09-03_681a3869693ccb08fe34baf4a58bbd74_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1916	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	2024-09-03_681a3869693ccb08fe34baf4a58bbd74_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 3448 wrote to memory of 1916	3448	2024-09-03_681a3869693ccb08fe34baf4a58bbd74_cryptolocker.exe	84
PID 3448 wrote to memory of 1916	3448	2024-09-03_681a3869693ccb08fe34baf4a58bbd74_cryptolocker.exe	84
PID 3448 wrote to memory of 1916	3448	2024-09-03_681a3869693ccb08fe34baf4a58bbd74_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-03_681a3869693ccb08fe34baf4a58bbd74_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-03_681a3869693ccb08fe34baf4a58bbd74_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3448
- 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:1916

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
44KB

MD5
3da220e4a602b68f438b87823cf06ed1

SHA1
1c50bb23d5b029aa52edd7bc39458879fc297fc3

SHA256
494347fcf5a19cb5d6143eecc0ecdaa14758a6cce26ec49510d46609251da2f9

SHA512
45a640b8790ffebf7a9a4aa579c74e974ec03106c70de6d7589abae76b2f12606436721fd6415b8e485169cbee8161fe66e60a36df25daf079daa44d103dbce2

Download Submit
memory/1916-18-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1916-17-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/3448-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3448-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3448-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download