General

  • Target

    E442.exe

  • Size

    292KB

  • Sample

    210926-sdxtvsfad2

  • MD5

    4bb4625eefca3f9dfa7ceb06e2ed0acf

  • SHA1

    17eef61253fb891fefe31852db649c328e718c1f

  • SHA256

    4bf0b22a3a3a941e5e656212af53bdacd3cc42a104bfdf0a331f3819d82384d5

  • SHA512

    d2893a37226007207c2ad04f2b40e0ec9aa91478fc65792c8f487435d018368b7f85ddd639212cf0b827f5e7c8cfffa1449962a803a18e3efc3c5cfd6c05792b

Malware Config

Targets

    • Target

      E442.exe

    • Size

      292KB

    • MD5

      4bb4625eefca3f9dfa7ceb06e2ed0acf

    • SHA1

      17eef61253fb891fefe31852db649c328e718c1f

    • SHA256

      4bf0b22a3a3a941e5e656212af53bdacd3cc42a104bfdf0a331f3819d82384d5

    • SHA512

      d2893a37226007207c2ad04f2b40e0ec9aa91478fc65792c8f487435d018368b7f85ddd639212cf0b827f5e7c8cfffa1449962a803a18e3efc3c5cfd6c05792b

    • 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