2633dbfabb8d0222898033b3b52b1da0f48359444cb754db9ecaab1f94005c3a

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 03:52

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General

Target

2024-10-18_854e8f621bebf477ece49e0a8261672b_cryptolocker.exe
Size

33KB
MD5

854e8f621bebf477ece49e0a8261672b
SHA1

562fd6a3ec4a4a8ad28f27bf853332c542aededf
SHA256

2633dbfabb8d0222898033b3b52b1da0f48359444cb754db9ecaab1f94005c3a
SHA512

07e8f3bd583b881171c917b691d53c247faea0e302f564c7ce61cd96aa3c6411b5d9ccaa8373e105156a192d86b3cdff90b02a3fb98fed6767385af183008750
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPoe:YGzl5wjRQBBOsP1QMOtEvwDpjgarle

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-10-18_854e8f621bebf477ece49e0a8261672b_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1356	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	2024-10-18_854e8f621bebf477ece49e0a8261672b_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 2856 wrote to memory of 1356	2856	2024-10-18_854e8f621bebf477ece49e0a8261672b_cryptolocker.exe	85
PID 2856 wrote to memory of 1356	2856	2024-10-18_854e8f621bebf477ece49e0a8261672b_cryptolocker.exe	85
PID 2856 wrote to memory of 1356	2856	2024-10-18_854e8f621bebf477ece49e0a8261672b_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-18_854e8f621bebf477ece49e0a8261672b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_854e8f621bebf477ece49e0a8261672b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- 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:1356

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

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Downloads

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

Filesize
33KB

MD5
f39ed7af798c9033e1f01ec3e6e03f88

SHA1
d31e33a32903fb6a9b4207c8fa35d006235bd7c2

SHA256
62858a04e3eb8a57207a4b0f57e1a2a80868e3af4cc8c3b9f40ddccbd411e478

SHA512
10a6acea66b0d5f4d0f15c4c145728fd3169faae2d9cbbbfb14c7f9d660564506ac0b7a56461e53eff75121d1bd6b6e4380c2e2ebbce2bc37295301efabe8c44

Download Submit
memory/1356-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1356-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1356-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2856-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2856-1-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/2856-2-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/2856-3-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2856-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download