66a3059d7e64baf2ab62500ac0068df27d9293b8a2567156f840efd079b49550

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/08/2024, 06:29

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General

Target

2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe
Size

47KB
MD5

20bef6163c73453a58c464e466a35779
SHA1

5e45925aefc96e02f8f5c5fe8b3712fd87a3e799
SHA256

66a3059d7e64baf2ab62500ac0068df27d9293b8a2567156f840efd079b49550
SHA512

326d70563ec1426bb9d75113c74b18d25785f79905b2f1540c1690115ba3d18e6730509b0f3120a0aeb9ed21f125f306dee7a86813a21158759bd1fd5712da04
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlA2:P6QFElP6k+MRQMOtEvwDpjBQpVX8A2

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2364	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	2024-08-26_20bef6163c73453a58c464e466a35779_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 3484 wrote to memory of 2364	3484	2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe	84
PID 3484 wrote to memory of 2364	3484	2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe	84
PID 3484 wrote to memory of 2364	3484	2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-26_20bef6163c73453a58c464e466a35779_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3484
- 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:2364

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
47KB

MD5
0a1a025abc35ce16e03313bd82fc95ee

SHA1
b10cc930a6b400f862bd8b07c87ac2bb4976850a

SHA256
d03b0ead870a3b35bb1f5f6dcff5da720b92a5aa4c66c766ad6cdd915089ef41

SHA512
e03efe779b388fea13b62ebb8cd74444d8e0b2c8263a8d506f0d7a2f46e316d710aa92920ac0d28257c2ccee4ca2811e50991aa573454517ad08370cf555b93a

Download Submit
memory/2364-19-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/2364-20-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2364-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3484-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3484-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3484-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3484-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3484-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download