Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2023, 16:11

General

  • Target

    rDPO23-I-086GARDEXFLOWMETERiv.exe

  • Size

    793KB

  • MD5

    8a14dacb5b4e3171d64dc4cee7c541eb

  • SHA1

    5b2fe2aabce1066ac5fb20e60c94591272ecccf7

  • SHA256

    0d05c9ec5cbccc7252bfa4f1fe3da5ac89c431fb9aba15fcbf28621cf2f2a48d

  • SHA512

    6b51a6a3910eac6c806530a213f2c77b486ef24f68e5b813870f5c4454e5645bda737c896caec9c913d7f524e5f32de7b26a5192852328a68023cf8c85040db6

  • SSDEEP

    12288:Y8zS55mFzv8PqWOv3NlQyyTcF5BujcbiMq4hB/OBjwQt:Yf55qT8Pqp/NGyyT81biMJ/OBj

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://mercuresurabaya.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    COM&qS[LeyKQ

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rDPO23-I-086GARDEXFLOWMETERiv.exe
    "C:\Users\Admin\AppData\Local\Temp\rDPO23-I-086GARDEXFLOWMETERiv.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Users\Admin\AppData\Local\Temp\rDPO23-I-086GARDEXFLOWMETERiv.exe
      "C:\Users\Admin\AppData\Local\Temp\rDPO23-I-086GARDEXFLOWMETERiv.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2776

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2472-0-0x0000000000820000-0x00000000008EC000-memory.dmp

          Filesize

          816KB

        • memory/2472-1-0x0000000074230000-0x000000007491E000-memory.dmp

          Filesize

          6.9MB

        • memory/2472-2-0x0000000005010000-0x0000000005050000-memory.dmp

          Filesize

          256KB

        • memory/2472-3-0x00000000004D0000-0x00000000004E8000-memory.dmp

          Filesize

          96KB

        • memory/2472-4-0x0000000074230000-0x000000007491E000-memory.dmp

          Filesize

          6.9MB

        • memory/2472-5-0x0000000005010000-0x0000000005050000-memory.dmp

          Filesize

          256KB

        • memory/2472-6-0x00000000004A0000-0x00000000004B0000-memory.dmp

          Filesize

          64KB

        • memory/2472-7-0x0000000005790000-0x000000000580C000-memory.dmp

          Filesize

          496KB

        • memory/2472-21-0x0000000074230000-0x000000007491E000-memory.dmp

          Filesize

          6.9MB

        • memory/2776-12-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2776-10-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2776-13-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2776-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2776-16-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2776-18-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2776-20-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2776-22-0x0000000074230000-0x000000007491E000-memory.dmp

          Filesize

          6.9MB

        • memory/2776-8-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2776-23-0x0000000004C50000-0x0000000004C90000-memory.dmp

          Filesize

          256KB

        • memory/2776-24-0x0000000074230000-0x000000007491E000-memory.dmp

          Filesize

          6.9MB