Analysis

  • max time kernel
    79s
  • max time network
    78s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    01/05/2023, 18:48

General

  • Target

    DHL-AWB 764312.exe

  • Size

    841KB

  • MD5

    a27033a4d5e25bf5a4844f18d8d1bd38

  • SHA1

    62eea27661ed94a48b8142fe87d049b03b9f1295

  • SHA256

    86d4a06ce584c3d67c982690c85a60d789d48293ef122c81c7ea4e19ab7c912d

  • SHA512

    94775dd4022c9d1be83308e3d6a0760ab4c6e0749179f2339ede2c5c2786995969f96950d3eac2813b6ae64651c784bb26ad32f3537bb586f39edb224b6374dd

  • SSDEEP

    12288:LZ/9WflU/9DWlN/OyRj+uIeAeDNnqWWaF7luSDCA11WHNdLk2W3:tylURUNmy9LDplqA7luhEw7gd

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5635409590:AAHInAR4dWLcsUes3TU8Nj2UQrEubKrXKLs/

Signatures

  • AgentTesla

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

  • 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
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL-AWB 764312.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL-AWB 764312.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:364
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dZEyalBRQqTl.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1156
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dZEyalBRQqTl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCCD2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:996
    • C:\Users\Admin\AppData\Local\Temp\DHL-AWB 764312.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL-AWB 764312.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1032

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpCCD2.tmp

          Filesize

          1KB

          MD5

          6f3766773f29717d595e102862d082b1

          SHA1

          0224e13cf619852a30003b8edf4cd1968538e65a

          SHA256

          5b7a289e95bad7bc45728a72f1f584d8aa8defc4325d2ad150cd6824de3cbb75

          SHA512

          9e16311ffec3ab2f0dcdd146a59eff8b1d0e0fed7e7ddae11963728bc34515e7fdbb32db004c30af6f53a0274b73cce3912f3e3a78ff62aa38999b9a0c0afeda

        • memory/364-54-0x0000000000E80000-0x0000000000F58000-memory.dmp

          Filesize

          864KB

        • memory/364-55-0x0000000000E20000-0x0000000000E60000-memory.dmp

          Filesize

          256KB

        • memory/364-56-0x00000000008D0000-0x00000000008E2000-memory.dmp

          Filesize

          72KB

        • memory/364-57-0x0000000000E20000-0x0000000000E60000-memory.dmp

          Filesize

          256KB

        • memory/364-58-0x0000000000B20000-0x0000000000B2C000-memory.dmp

          Filesize

          48KB

        • memory/364-59-0x0000000005880000-0x00000000058EA000-memory.dmp

          Filesize

          424KB

        • memory/364-65-0x0000000004D50000-0x0000000004D82000-memory.dmp

          Filesize

          200KB

        • memory/1032-66-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/1032-67-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/1032-68-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/1032-73-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/1032-71-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/1032-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1032-69-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/1032-75-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/1032-78-0x0000000000430000-0x0000000000470000-memory.dmp

          Filesize

          256KB

        • memory/1032-80-0x0000000000430000-0x0000000000470000-memory.dmp

          Filesize

          256KB

        • memory/1156-79-0x0000000002680000-0x00000000026C0000-memory.dmp

          Filesize

          256KB