c5d93f98310228621e77e3deca3613910c156304f0264f0f2fc998a7d73d5a5a

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 07:27

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General

Target

2024-09-28_1c56b8593a22589eb3e339df7e3ae6b9_cryptolocker.exe
Size

44KB
MD5

1c56b8593a22589eb3e339df7e3ae6b9
SHA1

741829d00ba6639537b862ba0111e271ead094d9
SHA256

c5d93f98310228621e77e3deca3613910c156304f0264f0f2fc998a7d73d5a5a
SHA512

936b73390590bcdbffea8f6be050742c1c86bc5d6fe93b815f7ce3d6e6e8662ed5b92bfb2c54a3f8386de49f94695c91319474d212b083dc58d04943c3b08537
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETkedm+MV0Kr:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+6

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-09-28_1c56b8593a22589eb3e339df7e3ae6b9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3684	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	2024-09-28_1c56b8593a22589eb3e339df7e3ae6b9_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 4912 wrote to memory of 3684	4912	2024-09-28_1c56b8593a22589eb3e339df7e3ae6b9_cryptolocker.exe	82
PID 4912 wrote to memory of 3684	4912	2024-09-28_1c56b8593a22589eb3e339df7e3ae6b9_cryptolocker.exe	82
PID 4912 wrote to memory of 3684	4912	2024-09-28_1c56b8593a22589eb3e339df7e3ae6b9_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-28_1c56b8593a22589eb3e339df7e3ae6b9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-28_1c56b8593a22589eb3e339df7e3ae6b9_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4912
- 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:3684

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
5c8aff6442f34af2c31d5cba0f586d7d

SHA1
28f6b433af2070d25f6af4fef2c816b2e6537609

SHA256
1ed29afc6e85a1b89c73958904fc7a22fd159000478bbfb1ae51797c3e51e1ff

SHA512
84eae4cddc6043ff1fbd15a35f104275555a9975db90c6b390494046edd3a20a3137cab9359e9a64668bc1ef90413386b17948739317bde5ba55ceb059fb044d

Download Submit
memory/3684-20-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3684-19-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3684-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4912-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4912-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4912-2-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4912-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4912-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download