205513ef054888299722b87a40ae57ed4e0510c8b73bff0a6770cb1d59ed9c78

Analysis

max time kernel
0s
max time network
83s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 06:40

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General

Target

2024-01-08_4e87f47b94a4e46c3db7a89a993b1045_cryptolocker.exe
Size

119KB
MD5

4e87f47b94a4e46c3db7a89a993b1045
SHA1

910082865b77bef7bfd6e94c29e53173a2f2fbd2
SHA256

205513ef054888299722b87a40ae57ed4e0510c8b73bff0a6770cb1d59ed9c78
SHA512

3f9b38007f0770ab8bbff21b4a092838eb0066d8a65e7252cd6f3a5b02bbd6ac4e001dd9f350b342250de644881dd9c91c81ba885bccbf483c3c8080b3f7e82d
SSDEEP

768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBT88:gUj+AIMOtEvwDpjNbwQEIPlemUhYM8

Score

7^/10

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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	2024-01-08_4e87f47b94a4e46c3db7a89a993b1045_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4100	misid.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 912 wrote to memory of 4100	912	2024-01-08_4e87f47b94a4e46c3db7a89a993b1045_cryptolocker.exe	56
PID 912 wrote to memory of 4100	912	2024-01-08_4e87f47b94a4e46c3db7a89a993b1045_cryptolocker.exe	56
PID 912 wrote to memory of 4100	912	2024-01-08_4e87f47b94a4e46c3db7a89a993b1045_cryptolocker.exe	56

C:\Users\Admin\AppData\Local\Temp\2024-01-08_4e87f47b94a4e46c3db7a89a993b1045_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_4e87f47b94a4e46c3db7a89a993b1045_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:912
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4100

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
119KB

MD5
70f0c9f58466eb1d25bae48822469caa

SHA1
015a92c91cc15755a72353aae21008a9fc0080fd

SHA256
4d5804d935a584fd9f5a7b0243625e0dc244560456eeb165b25bbc3dc80d334e

SHA512
54f80f0594b2bb4f998bf26d103dc1da2b5428642f81ba2651f1adbd1f252f3a1ada4152845efa749c160107d625ca163c42b8a5d8e06e0fb091e3c4d3960b29

Download Submit
C:\Users\Admin\AppData\Local\Temp\misids.exe

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/912-0-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/912-2-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/912-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/4100-17-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4100-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download