Analysis

  • max time kernel
    148s
  • max time network
    200s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2023 14:50

General

  • Target

    TH PG FORM E DRAFT FOR CEI2303125.pdf.exe

  • Size

    988KB

  • MD5

    06d1f96907c8265da37dfd9dcce3bff3

  • SHA1

    df6e90bc4534b80433b045ba767d62d3f170ae6e

  • SHA256

    1934c9d93e6a4198e68757441c611e6c31306b38aeec33a5f1f6c09f1f8ce466

  • SHA512

    3b7562f2a03037ce2b4c3fdf5f5391ba8036697939d336f9b23a835d717297397f32e65815cfb55c949822012200cdd89a7ea95db6269488eb391b0911917aa8

  • SSDEEP

    12288:OWoCRCrFF1HvV7J9BEMF/UTpUMCyrxLxoWMLI8N2RMXmPqpYyEiGen55bQ+k9iFs:BoCRC77J9tGtWINag

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\TH PG FORM E DRAFT FOR CEI2303125.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\TH PG FORM E DRAFT FOR CEI2303125.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4028
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XPiLdxbVZo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF5D5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3228
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:908
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
          PID:4700
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "{path}"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:3996

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpF5D5.tmp

        Filesize

        1KB

        MD5

        65f1a34c55576f857779d7b8ba017f24

        SHA1

        7290ffda1d868354034100ddb03b6d8490e6675f

        SHA256

        621418cc82231936345388a5160ffda4aff4e66d571b5bb841987a961dfe989a

        SHA512

        e144572b20b831715d9f5be0301d74a15c7dff8cd4c0fac5b969db1d55139c235a4709051a5800d445ae6ec0857529e1c59be5dfabc11f6b37dd202615f58253

      • memory/3996-26-0x00000000069C0000-0x0000000006A10000-memory.dmp

        Filesize

        320KB

      • memory/3996-24-0x0000000005470000-0x0000000005480000-memory.dmp

        Filesize

        64KB

      • memory/3996-23-0x00000000750E0000-0x0000000075890000-memory.dmp

        Filesize

        7.7MB

      • memory/3996-22-0x0000000005310000-0x0000000005376000-memory.dmp

        Filesize

        408KB

      • memory/3996-21-0x0000000005470000-0x0000000005480000-memory.dmp

        Filesize

        64KB

      • memory/3996-20-0x00000000750E0000-0x0000000075890000-memory.dmp

        Filesize

        7.7MB

      • memory/3996-17-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/4028-5-0x0000000008190000-0x00000000081A0000-memory.dmp

        Filesize

        64KB

      • memory/4028-7-0x0000000008130000-0x0000000008186000-memory.dmp

        Filesize

        344KB

      • memory/4028-10-0x0000000008190000-0x00000000081A0000-memory.dmp

        Filesize

        64KB

      • memory/4028-11-0x00000000084D0000-0x00000000084DC000-memory.dmp

        Filesize

        48KB

      • memory/4028-12-0x0000000009800000-0x0000000009880000-memory.dmp

        Filesize

        512KB

      • memory/4028-13-0x0000000003200000-0x0000000003242000-memory.dmp

        Filesize

        264KB

      • memory/4028-8-0x0000000008AA0000-0x0000000008DF4000-memory.dmp

        Filesize

        3.3MB

      • memory/4028-9-0x00000000750E0000-0x0000000075890000-memory.dmp

        Filesize

        7.7MB

      • memory/4028-19-0x00000000750E0000-0x0000000075890000-memory.dmp

        Filesize

        7.7MB

      • memory/4028-6-0x00000000059F0000-0x00000000059FA000-memory.dmp

        Filesize

        40KB

      • memory/4028-0-0x00000000750E0000-0x0000000075890000-memory.dmp

        Filesize

        7.7MB

      • memory/4028-4-0x0000000007F40000-0x0000000007FD2000-memory.dmp

        Filesize

        584KB

      • memory/4028-3-0x00000000084F0000-0x0000000008A94000-memory.dmp

        Filesize

        5.6MB

      • memory/4028-2-0x0000000007EA0000-0x0000000007F3C000-memory.dmp

        Filesize

        624KB

      • memory/4028-1-0x0000000000EC0000-0x0000000000FBC000-memory.dmp

        Filesize

        1008KB