Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2023 07:34

General

  • Target

    9fd0c32521c7d152ba2b6d68f90cc43f6ead072c6030601ae0724889debe4234.exe

  • Size

    804KB

  • MD5

    1d12b8064c33cef04ff272bb099d4541

  • SHA1

    7b80053875042ab5946d73b4bc9f5d06abf13eff

  • SHA256

    9fd0c32521c7d152ba2b6d68f90cc43f6ead072c6030601ae0724889debe4234

  • SHA512

    b17aee1f64c337874dd579e84487ec1ba4e891294239945e771a15ca034b83ee4673707272650a7f87deeca01087d9d43bb22f917515817083deef7d1c735189

  • SSDEEP

    12288:mDLUbbwLijB0wHjMpiGTd8dX/LhcqeFxXzXNuVPmdfBoItMUFt6Ysbwj366lHNNV:YLmiwO2xhc/XzXoIyUFtHsU7

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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
  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9fd0c32521c7d152ba2b6d68f90cc43f6ead072c6030601ae0724889debe4234.exe
    "C:\Users\Admin\AppData\Local\Temp\9fd0c32521c7d152ba2b6d68f90cc43f6ead072c6030601ae0724889debe4234.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eZvlGiNFsVCchL.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2948
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eZvlGiNFsVCchL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4663.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2752
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2716
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2592

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp4663.tmp

      Filesize

      1KB

      MD5

      7c8d4f0bb733e642ff26a1271fdeef84

      SHA1

      02bdf62df5799e50c7ba91870268bf5e43d625df

      SHA256

      f39131a5f5ba87fb800b14f3df84ea6a552aa389894ae25422ca576a75b87ce0

      SHA512

      3e4e376dd12b83be7d01e32fbc0ce3dd17667f9787b07d22e47758979895009991f0bc529940908bfa6329de6f4b8a9c486c864624d01df198742512cfc457d8

    • memory/2592-34-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2592-41-0x00000000047E0000-0x0000000004820000-memory.dmp

      Filesize

      256KB

    • memory/2592-18-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2592-40-0x0000000073FF0000-0x00000000746DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2592-37-0x00000000047E0000-0x0000000004820000-memory.dmp

      Filesize

      256KB

    • memory/2592-36-0x0000000073FF0000-0x00000000746DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2592-22-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2592-30-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2592-15-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2592-26-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2592-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2592-32-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2852-35-0x0000000073FF0000-0x00000000746DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2852-6-0x0000000004CC0000-0x0000000004D3C000-memory.dmp

      Filesize

      496KB

    • memory/2852-23-0x0000000073FF0000-0x00000000746DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2852-4-0x0000000000200000-0x0000000000206000-memory.dmp

      Filesize

      24KB

    • memory/2852-5-0x0000000000530000-0x000000000053A000-memory.dmp

      Filesize

      40KB

    • memory/2852-3-0x00000000004C0000-0x00000000004D8000-memory.dmp

      Filesize

      96KB

    • memory/2852-0-0x00000000003F0000-0x00000000004BE000-memory.dmp

      Filesize

      824KB

    • memory/2852-2-0x00000000008B0000-0x00000000008F0000-memory.dmp

      Filesize

      256KB

    • memory/2852-1-0x0000000073FF0000-0x00000000746DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2948-14-0x000000006E3C0000-0x000000006E96B000-memory.dmp

      Filesize

      5.7MB

    • memory/2948-16-0x00000000026A0000-0x00000000026E0000-memory.dmp

      Filesize

      256KB

    • memory/2948-19-0x000000006E3C0000-0x000000006E96B000-memory.dmp

      Filesize

      5.7MB

    • memory/2948-38-0x000000006E3C0000-0x000000006E96B000-memory.dmp

      Filesize

      5.7MB

    • memory/2948-24-0x00000000026A0000-0x00000000026E0000-memory.dmp

      Filesize

      256KB

    • memory/2948-21-0x00000000026A0000-0x00000000026E0000-memory.dmp

      Filesize

      256KB