Analysis

  • max time kernel
    97s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    30-04-2022 03:24

General

  • Target

    dd286a4d79d0f4c2b906073c7f46680252ca09c1c39b0dc12c92097c56662876.exe

  • Size

    1.8MB

  • MD5

    057aad993a3ef50f6b3ca2db37cb928a

  • SHA1

    a57592be641738c86c85308ef68148181249bc0b

  • SHA256

    dd286a4d79d0f4c2b906073c7f46680252ca09c1c39b0dc12c92097c56662876

  • SHA512

    87c89027d60f80e99c526584fa093620b3f099151170362424ad78f5e4d7184bd9f2d627ec8463ca202127835f435dd4f85bf2b0d9351593c688855f0bbaffbb

Malware Config

Signatures

  • SatanCryptor

    Golang ransomware first seen in early 2020.

  • suricata: ET MALWARE Possible Satan Cryptor GeoIP Lookup

    suricata: ET MALWARE Possible Satan Cryptor GeoIP Lookup

  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops desktop.ini file(s) 28 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd286a4d79d0f4c2b906073c7f46680252ca09c1c39b0dc12c92097c56662876.exe
    "C:\Users\Admin\AppData\Local\Temp\dd286a4d79d0f4c2b906073c7f46680252ca09c1c39b0dc12c92097c56662876.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops desktop.ini file(s)
    • Suspicious use of WriteProcessMemory
    PID:8
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ver
      2⤵
        PID:4512
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C del C:\Users\Admin\AppData\Local\Temp\dd286a4d79d0f4c2b906073c7f46680252ca09c1c39b0dc12c92097c56662876.exe
        2⤵
          PID:1196

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1196-131-0x0000000000000000-mapping.dmp

      • memory/4512-130-0x0000000000000000-mapping.dmp