Resubmissions

28-01-2022 14:50

220128-r73frsfcf5 10

27-01-2022 15:42

220127-s5sn8affd5 10

General

  • Target

    4733535972392960.zip

  • Size

    192KB

  • Sample

    220128-r73frsfcf5

  • MD5

    63bebd41527de7353cc0f7d23b00d0eb

  • SHA1

    c4864342ae4aa162f883a2de72bf594296d9b1c0

  • SHA256

    a20d18e3f14f1ee44840c32374c727c8049e69d8b0944d719c844cadf70f1de9

  • SHA512

    42c091c7e726487aed399580a57893b93ed728f3a04d70ef69e33d056c7c9984150efd1b9f5057a6fa317a136fc737a34dfa48669ece8f95385be84ad81cd31c

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

http://coin-file-file-19.com/tratata.php

Targets

    • Target

      adc5d511e576888aaed5f7e13b6df04f1b733e034bf34344be1dc0e6286dc5a0

    • Size

      350KB

    • MD5

      b55890d016a3e0c6e7f4ba2e49ab7e43

    • SHA1

      8e1565a321d0630957bc65e0bdaae59b6a3671b7

    • SHA256

      adc5d511e576888aaed5f7e13b6df04f1b733e034bf34344be1dc0e6286dc5a0

    • SHA512

      42876920445bccf5d32cb2be28ac546dd45cbce0ef1616b1800f5cd97a93c47bd27eafb619ccbab82b38a3707019210101fd989b20615c2f247c762671904f50

    • Arkei

      Arkei is an infostealer written in C++.

    • Arkei Stealer Payload

    • Downloads MZ/PE file

    • Deletes itself

    • 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

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks