aeedd9a2d0b671323653f28a61366163755b37ff7459973cb606639a25459784

Analysis

max time kernel
149s
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
21-11-2024 07:30

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General

Target

2024-11-21_5d17e87ce56d5e0e3d948475dc1ee342_cryptolocker.exe
Size

54KB
MD5

5d17e87ce56d5e0e3d948475dc1ee342
SHA1

ee530c2a429f074a6e8074223923ee0ea18670eb
SHA256

aeedd9a2d0b671323653f28a61366163755b37ff7459973cb606639a25459784
SHA512

e66f8e23a3e8ef65c5db2af6667fa4f45a88b4e7de8fc31de65826cbb99fcbc3f19bbba9232f53354ff7bc930c855cd5c5581c46da39be87637ec68288ee47f6
SSDEEP

1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61++:BbdDmjr+OtEvwDpjMB

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

Processes:

2024-11-21_5d17e87ce56d5e0e3d948475dc1ee342_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-11-21_5d17e87ce56d5e0e3d948475dc1ee342_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

4712 asih.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4712	asih.exe

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

Processes:

2024-11-21_5d17e87ce56d5e0e3d948475dc1ee342_cryptolocker.exeasih.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-21_5d17e87ce56d5e0e3d948475dc1ee342_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-11-21_5d17e87ce56d5e0e3d948475dc1ee342_cryptolocker.exe

description	pid	process	target process
PID 1520 wrote to memory of 4712	1520	2024-11-21_5d17e87ce56d5e0e3d948475dc1ee342_cryptolocker.exe	asih.exe
PID 1520 wrote to memory of 4712	1520	2024-11-21_5d17e87ce56d5e0e3d948475dc1ee342_cryptolocker.exe	asih.exe
PID 1520 wrote to memory of 4712	1520	2024-11-21_5d17e87ce56d5e0e3d948475dc1ee342_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-21_5d17e87ce56d5e0e3d948475dc1ee342_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_5d17e87ce56d5e0e3d948475dc1ee342_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1520
- 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:4712

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
54KB

MD5
c665044e98489bf3e0c91718ddbd73ce

SHA1
c8075521bffc638b10e6f1eeab5f1d3ef84d4a75

SHA256
cc00c50233b43b4513ad7066033c721f08e678093214c530d99745fa7a461834

SHA512
5799d07b71323cdaba48a0c37e9e66c0e05a610bb63cf404b1cb56117b0370dae521ed50c6743b5eb2a29867add9e8bf5dfb6432a5b65d207f3eed522fbb4441

Download Submit
memory/1520-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1520-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/1520-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/1520-3-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/1520-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4712-20-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/4712-21-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/4712-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download