2579948b1bb3e5808a052373ffd1aa26aa3c8d82f98b9fd940d57c40c4e05cd9

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
02/10/2024, 03:25

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General

Target

2024-10-02_6f385429b17473c9e8dde146f5aab62d_cryptolocker.exe
Size

45KB
MD5

6f385429b17473c9e8dde146f5aab62d
SHA1

af9479f00b65d598074e52ce7cb8b29ee677a1ef
SHA256

2579948b1bb3e5808a052373ffd1aa26aa3c8d82f98b9fd940d57c40c4e05cd9
SHA512

06f03d3c525c07531ff083d0c4b9688dd92dcb3ee0e6d83cd390b7546bcf93e9faa40c2e9a6e904dfa9d6c52db9432531edbfd896336a14c42726c0315ce1516
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9Hy7:X6QFElP6n+gJQMOtEvwDpjBmzDkWDtU

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	2024-10-02_6f385429b17473c9e8dde146f5aab62d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1912	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	2024-10-02_6f385429b17473c9e8dde146f5aab62d_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 3944 wrote to memory of 1912	3944	2024-10-02_6f385429b17473c9e8dde146f5aab62d_cryptolocker.exe	89
PID 3944 wrote to memory of 1912	3944	2024-10-02_6f385429b17473c9e8dde146f5aab62d_cryptolocker.exe	89
PID 3944 wrote to memory of 1912	3944	2024-10-02_6f385429b17473c9e8dde146f5aab62d_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-10-02_6f385429b17473c9e8dde146f5aab62d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-02_6f385429b17473c9e8dde146f5aab62d_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3944
- 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:1912

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=1012,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:8
1⤵
PID:4300

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
46KB

MD5
f9147a796111e22a49d05fe8f5a7e622

SHA1
d431fc2f84b22eb444ccfcd797cb9664510d35dc

SHA256
149abbd521fd58bbfb0bff2e72efeea21fa8a29a213993f52e73495feebfdae9

SHA512
f786c2c6730859e0f212c6f8c5f96f386ad89759c0890a25061a3b156b0f59ed1762fcb48aa8802ca32ffcc9a2975d422e801d939aeef49bc3b0b2f5fb116a69

Download Submit
memory/1912-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1912-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3944-0-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/3944-1-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/3944-2-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download