Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15/04/2024, 07:07

General

  • Target

    xprosperzx.exe

  • Size

    765KB

  • MD5

    9d74667db0f138f0943851bf3e0bbd0a

  • SHA1

    fe62846aee811b2ec87b2ea05309a944e314df11

  • SHA256

    43c14d25c429673a9500c057417959c014bdcd77513109d529b62277dc4e0b94

  • SHA512

    b306bc2c5761da2cca33b5c9eff238744651ec70896bcc16975efdbb660cdbbd8fb74ea472612da40f55fb2c34f73f596c2116c4b453f6d889b561a3eb50efbe

  • SSDEEP

    12288:5UtNBeBN2xpkZ/SlGtutycVRmPLOd2sLBkVroJwCHj2ypNWJRu/kR:6tNm2xp9ItutxRm42sCVrxCD2ypNWHT

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xprosperzx.exe
    "C:\Users\Admin\AppData\Local\Temp\xprosperzx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\xprosperzx.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2396
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YPSYrrFqkJQmSN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2596
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YPSYrrFqkJQmSN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7262.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2580
    • C:\Users\Admin\AppData\Local\Temp\xprosperzx.exe
      "C:\Users\Admin\AppData\Local\Temp\xprosperzx.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2288

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp7262.tmp

          Filesize

          1KB

          MD5

          dad7df21d6aa28ea84ef6abfee9c4f11

          SHA1

          0ce75e7c9e86c7293df7da304f786cd98d2e5d90

          SHA256

          4b58d8a62e65e38ca7473ad2f198d49cc657b35e1b8e6a8456e0ce6247e5b323

          SHA512

          b9186ee60a5a1ed2893b67a87af7d8eedd2c25f7f3a2c40dc18812a71037fad1c6699d2a9a7f539d07dcb373b538095d08f1d7ff5ef82a33cf948ce9d0c2b525

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

          Filesize

          7KB

          MD5

          17440c260ec338fdddf19c55df2c5ae1

          SHA1

          0c066f0aee12a8b4e38f6f688c33a569c44c80c0

          SHA256

          c348146093019d923ac1da600f544b76e2acef7cda3b2a7edfd9b892eabdc9bf

          SHA512

          780a1517dbf91cc7e5d0011348446008d053bbfe24b3ef0877952af885fb8ede3cca70903bf85ada17e83216fabd15d5828e52d34924aea63792b41913c62a95

        • memory/1768-0-0x0000000000300000-0x00000000003C2000-memory.dmp

          Filesize

          776KB

        • memory/1768-1-0x0000000074DB0000-0x000000007549E000-memory.dmp

          Filesize

          6.9MB

        • memory/1768-2-0x0000000004D10000-0x0000000004D50000-memory.dmp

          Filesize

          256KB

        • memory/1768-3-0x0000000000540000-0x0000000000552000-memory.dmp

          Filesize

          72KB

        • memory/1768-4-0x00000000005A0000-0x00000000005A8000-memory.dmp

          Filesize

          32KB

        • memory/1768-5-0x00000000007F0000-0x00000000007FC000-memory.dmp

          Filesize

          48KB

        • memory/1768-6-0x0000000005C80000-0x0000000005D02000-memory.dmp

          Filesize

          520KB

        • memory/1768-30-0x0000000074DB0000-0x000000007549E000-memory.dmp

          Filesize

          6.9MB

        • memory/2288-27-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2288-43-0x0000000074DB0000-0x000000007549E000-memory.dmp

          Filesize

          6.9MB

        • memory/2288-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2288-25-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2288-21-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2288-29-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2288-20-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2288-36-0x0000000074DB0000-0x000000007549E000-memory.dmp

          Filesize

          6.9MB

        • memory/2288-42-0x0000000000460000-0x00000000004A0000-memory.dmp

          Filesize

          256KB

        • memory/2288-22-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2288-34-0x0000000000460000-0x00000000004A0000-memory.dmp

          Filesize

          256KB

        • memory/2396-32-0x000000006EDE0000-0x000000006F38B000-memory.dmp

          Filesize

          5.7MB

        • memory/2396-39-0x000000006EDE0000-0x000000006F38B000-memory.dmp

          Filesize

          5.7MB

        • memory/2396-40-0x000000006EDE0000-0x000000006F38B000-memory.dmp

          Filesize

          5.7MB

        • memory/2596-33-0x0000000002400000-0x0000000002440000-memory.dmp

          Filesize

          256KB

        • memory/2596-38-0x0000000002400000-0x0000000002440000-memory.dmp

          Filesize

          256KB

        • memory/2596-37-0x0000000002400000-0x0000000002440000-memory.dmp

          Filesize

          256KB

        • memory/2596-41-0x000000006EDE0000-0x000000006F38B000-memory.dmp

          Filesize

          5.7MB

        • memory/2596-35-0x000000006EDE0000-0x000000006F38B000-memory.dmp

          Filesize

          5.7MB

        • memory/2596-31-0x000000006EDE0000-0x000000006F38B000-memory.dmp

          Filesize

          5.7MB