Analysis

  • max time kernel
    138s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 09:20

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.10498.26418.exe

  • Size

    51.0MB

  • MD5

    b9b33a35bb9d8e6a9d491825e355aef1

  • SHA1

    a877ac087447e7319d87b583fc996f964ecc9d9d

  • SHA256

    683f7a41a16eef118689f586af3dd3567509826570580ede387bce254a15d1f7

  • SHA512

    b3517a231ad8aa9d92fb65790ce202d86e585d6274640fbfe670e43fc20575836819e1d3080a3f358b5f952c04f533e4caedc31069d260eaa347ff23dc45d3a4

  • SSDEEP

    12288:13IU8S6eUdu0U8b4WLakpepXooipXk5o60CzcdHj+tmcQxBcmGYG:dItSAdvt4WLFpe5oog+cdHjJPcm

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.flecon.com.sg
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    8CJN6A87XUIU

Extracted

Family

agenttesla

Credentials

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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.10498.26418.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.10498.26418.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1344
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.10498.26418.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.10498.26418.exe"
      2⤵
        PID:4296
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.10498.26418.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.10498.26418.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2912

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1344-10-0x0000000008740000-0x00000000087BC000-memory.dmp

      Filesize

      496KB

    • memory/1344-4-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

      Filesize

      64KB

    • memory/1344-0-0x00000000743E0000-0x0000000074B90000-memory.dmp

      Filesize

      7.7MB

    • memory/1344-18-0x00000000743E0000-0x0000000074B90000-memory.dmp

      Filesize

      7.7MB

    • memory/1344-11-0x0000000007260000-0x00000000072FC000-memory.dmp

      Filesize

      624KB

    • memory/1344-5-0x0000000004D90000-0x0000000004D9A000-memory.dmp

      Filesize

      40KB

    • memory/1344-6-0x0000000004E50000-0x0000000004E68000-memory.dmp

      Filesize

      96KB

    • memory/1344-7-0x0000000005FE0000-0x0000000005FE8000-memory.dmp

      Filesize

      32KB

    • memory/1344-8-0x00000000743E0000-0x0000000074B90000-memory.dmp

      Filesize

      7.7MB

    • memory/1344-9-0x0000000005FF0000-0x0000000005FFA000-memory.dmp

      Filesize

      40KB

    • memory/1344-2-0x00000000050D0000-0x0000000005674000-memory.dmp

      Filesize

      5.6MB

    • memory/1344-1-0x0000000000190000-0x0000000000230000-memory.dmp

      Filesize

      640KB

    • memory/1344-3-0x0000000004BD0000-0x0000000004C62000-memory.dmp

      Filesize

      584KB

    • memory/1344-13-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

      Filesize

      64KB

    • memory/2912-15-0x00000000743E0000-0x0000000074B90000-memory.dmp

      Filesize

      7.7MB

    • memory/2912-16-0x0000000005060000-0x0000000005070000-memory.dmp

      Filesize

      64KB

    • memory/2912-12-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2912-17-0x0000000005170000-0x00000000051D6000-memory.dmp

      Filesize

      408KB

    • memory/2912-19-0x00000000066B0000-0x0000000006700000-memory.dmp

      Filesize

      320KB

    • memory/2912-20-0x00000000743E0000-0x0000000074B90000-memory.dmp

      Filesize

      7.7MB

    • memory/2912-21-0x0000000005060000-0x0000000005070000-memory.dmp

      Filesize

      64KB