0fb07937e54ce5ae9cce046a333819f5b6f2ad08bb23536899ca395f1e0f6e55

Analysis

max time kernel
148s
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
17/10/2024, 17:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-17_c9558172db378b1e8e27de438a706cfe_cryptolocker.exe
Size

65KB
MD5

c9558172db378b1e8e27de438a706cfe
SHA1

6d549669dd769f673f2316f169da977b7e2cabbd
SHA256

0fb07937e54ce5ae9cce046a333819f5b6f2ad08bb23536899ca395f1e0f6e55
SHA512

1d6d687f07ba99c8e8a83d8244da75f63d34faee8739b33081c553d50ae009001e047e346a6fd9617510db0ebfd0b55bee3a12b27eba070d6ef59de72f5d12e9
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKJ6:DW60sllyWOtEvwDpjwF85N

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-10-17_c9558172db378b1e8e27de438a706cfe_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5084	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	2024-10-17_c9558172db378b1e8e27de438a706cfe_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 4264 wrote to memory of 5084	4264	2024-10-17_c9558172db378b1e8e27de438a706cfe_cryptolocker.exe	83
PID 4264 wrote to memory of 5084	4264	2024-10-17_c9558172db378b1e8e27de438a706cfe_cryptolocker.exe	83
PID 4264 wrote to memory of 5084	4264	2024-10-17_c9558172db378b1e8e27de438a706cfe_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-10-17_c9558172db378b1e8e27de438a706cfe_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-17_c9558172db378b1e8e27de438a706cfe_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4264
- 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:5084

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
65KB

MD5
5234d31c0616207b895807f5fbbbd59f

SHA1
1cea145594e81fa7e397a7f96085b8759a885cc3

SHA256
2235c1f6d03fdedd25487a73c1cc5a296f40f086ee975147c61b8a82ab77fcf0

SHA512
3e6d5443dff49dea844b49c354b6f0a4d874930ff6405f05f813ed3fe4a9baea61a0b7f34d7b18c54a6d4f3425ce4178740a36af227924a38f0e766fe740a9a3

Download Submit
memory/4264-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4264-1-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/4264-2-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/4264-3-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/4264-18-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/5084-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/5084-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/5084-26-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/5084-27-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download