General

  • Target

    93b20ad2eb7d83453357fc291631816efa2867dda0a5771f7c69881dfa80c653

  • Size

    302KB

  • Sample

    220119-prryzshgcq

  • MD5

    4064c5a9b64b7f769e7ad4cbb8f7b001

  • SHA1

    9534b0d88c638ba3a00e974480fa53a75777fcf4

  • SHA256

    93b20ad2eb7d83453357fc291631816efa2867dda0a5771f7c69881dfa80c653

  • SHA512

    201a837bd73d72096800a606b7bec25b046c46448dac8b768a91b3628d6638d15854eb6ea3ff6b83b5c2ec00e25957011f0672b5bb57c8ea0c84f7f08df12956

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Targets

    • Target

      93b20ad2eb7d83453357fc291631816efa2867dda0a5771f7c69881dfa80c653

    • Size

      302KB

    • MD5

      4064c5a9b64b7f769e7ad4cbb8f7b001

    • SHA1

      9534b0d88c638ba3a00e974480fa53a75777fcf4

    • SHA256

      93b20ad2eb7d83453357fc291631816efa2867dda0a5771f7c69881dfa80c653

    • SHA512

      201a837bd73d72096800a606b7bec25b046c46448dac8b768a91b3628d6638d15854eb6ea3ff6b83b5c2ec00e25957011f0672b5bb57c8ea0c84f7f08df12956

    • Arkei

      Arkei is an infostealer written in C++.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Arkei Stealer Payload

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Tasks