af8367ca3e411c79fb80f0b6a6c041f8af1c83c8caf21f5f68823455d3eeefcf

Analysis

max time kernel
149s
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
14/10/2024, 07:25

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General

Target

2024-10-14_68d2881242d6a58b11b27f3eb906d200_cryptolocker.exe
Size

44KB
MD5

68d2881242d6a58b11b27f3eb906d200
SHA1

3ce488067a3615e4ab84be053f3775b09a33dd67
SHA256

af8367ca3e411c79fb80f0b6a6c041f8af1c83c8caf21f5f68823455d3eeefcf
SHA512

e3946807571b9d1830e7b5d91c754980db8b8fc98187aad3e22afced115094a385a7dd21edf858dc403801e9db9d8971043c7931b0a72e76038f54774d2be9a5
SSDEEP

768:79inqyNR/QtOOtEvwDpjBKccJVODvcjpi:79mqyNhQMOtEvwDpjBzckH

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	2024-10-14_68d2881242d6a58b11b27f3eb906d200_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3920	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	2024-10-14_68d2881242d6a58b11b27f3eb906d200_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 4840 wrote to memory of 3920	4840	2024-10-14_68d2881242d6a58b11b27f3eb906d200_cryptolocker.exe	86
PID 4840 wrote to memory of 3920	4840	2024-10-14_68d2881242d6a58b11b27f3eb906d200_cryptolocker.exe	86
PID 4840 wrote to memory of 3920	4840	2024-10-14_68d2881242d6a58b11b27f3eb906d200_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-14_68d2881242d6a58b11b27f3eb906d200_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-14_68d2881242d6a58b11b27f3eb906d200_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4840
- 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:3920

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
45KB

MD5
368931680859a6d99762e9765bea100d

SHA1
675d132f59d6e59f08d01e3aeae1a869f64935af

SHA256
c4fa7762c432215623c19c6207bf1d5f007515776a14d5a0fc3e0b851305470d

SHA512
9e1267fba569a00a3f125be5cff54cbb72b001ca0e9bc32343b0de84979d2a650c418559e5392e7b4fa5f6ce27641b14fc5c0c5f8b57ffee8754903720bdf2d5

Download Submit
memory/3920-19-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3920-21-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3920-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4840-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4840-1-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/4840-2-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/4840-3-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/4840-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download