Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2023 14:39

General

  • Target

    BILL COPIES FOR THE CARGO LOADED.exe

  • Size

    698KB

  • MD5

    b1481791fc782040d8533019a3095e57

  • SHA1

    4f6699140313855dbe364831fbbaf5e794aac9d6

  • SHA256

    9d687a4e898291e7635a79e45f7cb5cd2f987dcd6f909d495e83dac2e1fd0cfc

  • SHA512

    d853b650704ad89f82df75e581dc9e53b0b9fd8749a14b2a037dde4d3b8f5a105c37127b836c3f38011b0e5984b8f78537ba2f4ab64304a7b3ce2a6e23e0c514

  • SSDEEP

    12288:yw3IU8S6eUdvSTznalJakk9uUXKsU3ky+pJ2frjrnGbW9fTbKYCNjPVHdys9bzs7:3ItSAdj3k9rKBPrGi9bbEPVHn5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.mercuresurabaya.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    2ffPmXZ_5A{G

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BILL COPIES FOR THE CARGO LOADED.exe
    "C:\Users\Admin\AppData\Local\Temp\BILL COPIES FOR THE CARGO LOADED.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\AppData\Local\Temp\BILL COPIES FOR THE CARGO LOADED.exe
      "C:\Users\Admin\AppData\Local\Temp\BILL COPIES FOR THE CARGO LOADED.exe"
      2⤵
        PID:2348
      • C:\Users\Admin\AppData\Local\Temp\BILL COPIES FOR THE CARGO LOADED.exe
        "C:\Users\Admin\AppData\Local\Temp\BILL COPIES FOR THE CARGO LOADED.exe"
        2⤵
          PID:2352
        • C:\Users\Admin\AppData\Local\Temp\BILL COPIES FOR THE CARGO LOADED.exe
          "C:\Users\Admin\AppData\Local\Temp\BILL COPIES FOR THE CARGO LOADED.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2016

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2016-15-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2016-17-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2016-8-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2016-9-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2016-22-0x0000000004C00000-0x0000000004C40000-memory.dmp

        Filesize

        256KB

      • memory/2016-20-0x00000000741D0000-0x00000000748BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2016-19-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2016-7-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2016-11-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2016-23-0x00000000741D0000-0x00000000748BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2016-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2232-2-0x0000000007140000-0x0000000007180000-memory.dmp

        Filesize

        256KB

      • memory/2232-0-0x0000000000100000-0x00000000001B4000-memory.dmp

        Filesize

        720KB

      • memory/2232-1-0x00000000741D0000-0x00000000748BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2232-6-0x0000000004CE0000-0x0000000004D5C000-memory.dmp

        Filesize

        496KB

      • memory/2232-21-0x00000000741D0000-0x00000000748BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2232-5-0x00000000008D0000-0x00000000008DA000-memory.dmp

        Filesize

        40KB

      • memory/2232-4-0x00000000005A0000-0x00000000005A8000-memory.dmp

        Filesize

        32KB

      • memory/2232-3-0x00000000006F0000-0x0000000000708000-memory.dmp

        Filesize

        96KB