General

  • Target

    25c905988e0c45b9f9fcbed9dc7dd15d251cfbb1cdc20b7b3342f9f141a36289.exe

  • Size

    347KB

  • Sample

    240430-bjbp5sgc3z

  • MD5

    1032f34212c476acc1fc206c34fe01b1

  • SHA1

    75bde7306a2539c8ccd286380ccc33f103f306b6

  • SHA256

    25c905988e0c45b9f9fcbed9dc7dd15d251cfbb1cdc20b7b3342f9f141a36289

  • SHA512

    b93a28cdb0b4399bd57dc264c6b088d8510f63b76d10aa7ff254e78ff2543612608443c4ba566efcfdfc40a1ffa2b639673c943c819e18bbb0c0fdb645a19c22

  • SSDEEP

    6144:aGNJdD4C4xkIsmIqLoSj9hXc6+Bl7+sysO+ThbGlN50BdYjFql:d5a+IsmhoSZG5lysynD50Hbl

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Targets

    • Target

      25c905988e0c45b9f9fcbed9dc7dd15d251cfbb1cdc20b7b3342f9f141a36289.exe

    • Size

      347KB

    • MD5

      1032f34212c476acc1fc206c34fe01b1

    • SHA1

      75bde7306a2539c8ccd286380ccc33f103f306b6

    • SHA256

      25c905988e0c45b9f9fcbed9dc7dd15d251cfbb1cdc20b7b3342f9f141a36289

    • SHA512

      b93a28cdb0b4399bd57dc264c6b088d8510f63b76d10aa7ff254e78ff2543612608443c4ba566efcfdfc40a1ffa2b639673c943c819e18bbb0c0fdb645a19c22

    • SSDEEP

      6144:aGNJdD4C4xkIsmIqLoSj9hXc6+Bl7+sysO+ThbGlN50BdYjFql:d5a+IsmhoSZG5lysynD50Hbl

    • Detect ZGRat V1

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Stealc

      Stealc is an infostealer written in C++.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Detect binaries embedding considerable number of MFA browser extension IDs.

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects encrypted or obfuscated .NET executables

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks