ae1589606390f7579b2138261aea753f5b92e7567f31dfebde3caf4b83feda49

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
27/09/2024, 03:23

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General

Target

2024-09-27_03d64f91536e83dc2ce8baff592c329c_cryptolocker.exe
Size

47KB
MD5

03d64f91536e83dc2ce8baff592c329c
SHA1

d9b5f8da29481dbed0e42b6dd3850a7b826e7a8e
SHA256

ae1589606390f7579b2138261aea753f5b92e7567f31dfebde3caf4b83feda49
SHA512

9da8d02b59cf33ef9ba855ce8871d82a850e7c9914555488bb59ac3efa117da8bc7b9ae09b5cde5b958300a0248fbce62e3ae83fc5c38ae84d616a6917c8b71b
SSDEEP

384:e/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WccJVJwi2B5oCCM8CLW2Vx:79inqyNR/QtOOtEvwDpjBKccJVODvy3g

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	2024-09-27_03d64f91536e83dc2ce8baff592c329c_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5024	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	2024-09-27_03d64f91536e83dc2ce8baff592c329c_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 2280 wrote to memory of 5024	2280	2024-09-27_03d64f91536e83dc2ce8baff592c329c_cryptolocker.exe	89
PID 2280 wrote to memory of 5024	2280	2024-09-27_03d64f91536e83dc2ce8baff592c329c_cryptolocker.exe	89
PID 2280 wrote to memory of 5024	2280	2024-09-27_03d64f91536e83dc2ce8baff592c329c_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-09-27_03d64f91536e83dc2ce8baff592c329c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_03d64f91536e83dc2ce8baff592c329c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- 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:5024

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3840,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=4352 /prefetch:8
1⤵
PID:2632

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
48KB

MD5
0fb124585231350f86299444ffe2c3fc

SHA1
b4f9bf972ab3d700f18b093efb8f20ee497eef21

SHA256
bcd63ae88fbcaef5d33116697e8fd24911791b2a6111e245b0cfccdf0b4cf9c7

SHA512
9f41a47f86e7ed3fda232264440a1eb79927c403876c4e553c82d838c6e865ca9a15c8e9715b18d07aef09d183a8c53bb42b9369d210ff1ec0ad8b541c27463f

Download Submit
memory/2280-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2280-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/2280-2-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/2280-3-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/2280-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/5024-19-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/5024-20-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/5024-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download