General

  • Target

    661b3c360b31b0ef1ea0a43f24688d9e

  • Size

    303KB

  • Sample

    220119-jz2v9sgba5

  • MD5

    661b3c360b31b0ef1ea0a43f24688d9e

  • SHA1

    8ebcbe81750c01a32842777dfb7e9a9c23694a73

  • SHA256

    0517d62a4774b4b692e5934815b70728df155e655e53804e2e687b18b6db59d4

  • SHA512

    b0a4252d11dd36e5d940fba0adb8a3305669c77a50b45290dde8259f79fd826c46ef79890ad0ec0f29b21f539a136975b2b184567c9ac7cfbfa1ef38a473519d

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

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

Targets

    • Target

      661b3c360b31b0ef1ea0a43f24688d9e

    • Size

      303KB

    • MD5

      661b3c360b31b0ef1ea0a43f24688d9e

    • SHA1

      8ebcbe81750c01a32842777dfb7e9a9c23694a73

    • SHA256

      0517d62a4774b4b692e5934815b70728df155e655e53804e2e687b18b6db59d4

    • SHA512

      b0a4252d11dd36e5d940fba0adb8a3305669c77a50b45290dde8259f79fd826c46ef79890ad0ec0f29b21f539a136975b2b184567c9ac7cfbfa1ef38a473519d

    • Arkei

      Arkei is an infostealer written in C++.

    • Arkei Stealer Payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • 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

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks