Analysis

  • max time kernel
    69s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2023 08:19

General

  • Target

    REMITTAN.EXE.exe

  • Size

    582KB

  • MD5

    403ea56c7d840d9a6eb019808c9399ad

  • SHA1

    7489ba13010fee4e02bb8614cfa2495a77ec31c1

  • SHA256

    c455f0bd26eaae5ca28b5eeb09cdf7b8d57e9d349e005d6d162e022a9e8bd167

  • SHA512

    7c4ea843da820ad38b9c628a556c79e841b687cfce9b2539dd1882cbc5172baea5b29ef6d614361aee4cdbbf687701ca6191367f051b2a1feee444aefe8aa3cc

  • SSDEEP

    12288:1CNOzGykYKPquXPi3QhcEd+DZ4x4IcTpEe0EUMfHHNm:cNOKEKPq+yY+DZ4x+KzEUM/t

Malware Config

Extracted

Family

agenttesla

Credentials

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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REMITTAN.EXE.exe
    "C:\Users\Admin\AppData\Local\Temp\REMITTAN.EXE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Temp\REMITTAN.EXE.exe
      "C:\Users\Admin\AppData\Local\Temp\REMITTAN.EXE.exe"
      2⤵
        PID:752
      • C:\Users\Admin\AppData\Local\Temp\REMITTAN.EXE.exe
        "C:\Users\Admin\AppData\Local\Temp\REMITTAN.EXE.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:788

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/788-66-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/788-61-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/788-62-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/788-72-0x0000000004E20000-0x0000000004E60000-memory.dmp

      Filesize

      256KB

    • memory/788-64-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/788-71-0x0000000004E20000-0x0000000004E60000-memory.dmp

      Filesize

      256KB

    • memory/788-70-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/788-63-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/788-68-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/788-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1664-59-0x0000000005D60000-0x0000000005DCA000-memory.dmp

      Filesize

      424KB

    • memory/1664-58-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/1664-54-0x0000000000210000-0x00000000002A8000-memory.dmp

      Filesize

      608KB

    • memory/1664-56-0x0000000000370000-0x0000000000384000-memory.dmp

      Filesize

      80KB

    • memory/1664-60-0x00000000007F0000-0x0000000000822000-memory.dmp

      Filesize

      200KB

    • memory/1664-55-0x0000000000770000-0x00000000007B0000-memory.dmp

      Filesize

      256KB

    • memory/1664-57-0x0000000000770000-0x00000000007B0000-memory.dmp

      Filesize

      256KB