Analysis

  • max time kernel
    125s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    20-10-2021 06:09

General

  • Target

    payment copy.exe

  • Size

    463KB

  • MD5

    5ff2f079f187c67618fe79ade442dd5f

  • SHA1

    5bc25a34a2d8194c73e344ba58a25280bbcc21e9

  • SHA256

    6c4f03f9b58f8d25fb24a1ea161bf61fdafbc7050ccbd4f026098e58e2ba8fe4

  • SHA512

    402122d29aef25258e0bd65f2c7932512b7bcada0db6f672c123d94951f3697d9824f0f28b95bf45991e197a35a55d38d5702b0806053529360cff5991b55d6e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    sg2plcpnl0023.prod.sin2.secureserver.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    User@40378

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payment copy.exe
    "C:\Users\Admin\AppData\Local\Temp\payment copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1564
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:3172
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
          • Drops file in Drivers directory
          • Accesses Microsoft Outlook profiles
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:3904

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Collection

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1380-115-0x00000000008D0000-0x00000000008D1000-memory.dmp
        Filesize

        4KB

      • memory/1380-117-0x0000000007B60000-0x0000000007B61000-memory.dmp
        Filesize

        4KB

      • memory/1380-118-0x0000000007700000-0x0000000007701000-memory.dmp
        Filesize

        4KB

      • memory/1380-119-0x0000000007660000-0x0000000007B5E000-memory.dmp
        Filesize

        5.0MB

      • memory/1380-120-0x00000000051C0000-0x00000000051C1000-memory.dmp
        Filesize

        4KB

      • memory/1380-121-0x0000000007920000-0x0000000007927000-memory.dmp
        Filesize

        28KB

      • memory/1380-122-0x000000000AF50000-0x000000000AF51000-memory.dmp
        Filesize

        4KB

      • memory/1380-123-0x000000000B0F0000-0x000000000B148000-memory.dmp
        Filesize

        352KB

      • memory/3904-124-0x0000000000400000-0x000000000043C000-memory.dmp
        Filesize

        240KB

      • memory/3904-125-0x000000000043760E-mapping.dmp
      • memory/3904-130-0x00000000055E0000-0x0000000005ADE000-memory.dmp
        Filesize

        5.0MB

      • memory/3904-131-0x0000000005660000-0x0000000005661000-memory.dmp
        Filesize

        4KB

      • memory/3904-132-0x00000000061D0000-0x00000000061D1000-memory.dmp
        Filesize

        4KB

      • memory/3904-135-0x00000000055E0000-0x0000000005ADE000-memory.dmp
        Filesize

        5.0MB