Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    23/12/2023, 01:49

General

  • Target

    3b2affa6753b397c1981d650a74b12f921ada7f91034e0b1a8d7ec41ff7944e2.exe

  • Size

    882KB

  • MD5

    c66daa454b6cb5f234c348c08230dc09

  • SHA1

    54dc703a8df8025cbcfa6b9971b8c097f91f92d2

  • SHA256

    3b2affa6753b397c1981d650a74b12f921ada7f91034e0b1a8d7ec41ff7944e2

  • SHA512

    456a9cb5de06bd894795f2f549395f1db537c5435a3d3b18b24f040106c0aed2a6bd0809b2c4675a0cdc70f92eff2e9bf155461cdbeb68e6329743a334f49329

  • SSDEEP

    12288:hYRc7VGGmTrc6NlomkXgsxKLcUYemFSZ8sJEgNLcM+V+ayHQsuAm:4YVGGmTAuo/pxKLcUcStJboTV+79

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b2affa6753b397c1981d650a74b12f921ada7f91034e0b1a8d7ec41ff7944e2.exe
    "C:\Users\Admin\AppData\Local\Temp\3b2affa6753b397c1981d650a74b12f921ada7f91034e0b1a8d7ec41ff7944e2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pidxon.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pidxon" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB24F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2728
    • C:\Users\Admin\AppData\Local\Temp\3b2affa6753b397c1981d650a74b12f921ada7f91034e0b1a8d7ec41ff7944e2.exe
      "C:\Users\Admin\AppData\Local\Temp\3b2affa6753b397c1981d650a74b12f921ada7f91034e0b1a8d7ec41ff7944e2.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2848

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpB24F.tmp

          Filesize

          1KB

          MD5

          4f54b38779d2d2f9b1767a4b8c4b24f5

          SHA1

          6a73a8161a84d4e821a25dbcc4f463add4106f65

          SHA256

          fd2f329c0480540011e7534ab86436612234e03d80b46c5dc39b96a9861f2337

          SHA512

          aafc98c56251cfeb067d8ff5a67f27bfabba25188dd559ebad3bf470b51da4e20173c67ff2840f93ca1003f3cc4c2d10257ea920ecd217a787acbd65c37b59fd

        • memory/2140-23-0x0000000074CA0000-0x000000007538E000-memory.dmp

          Filesize

          6.9MB

        • memory/2140-1-0x0000000074CA0000-0x000000007538E000-memory.dmp

          Filesize

          6.9MB

        • memory/2140-2-0x00000000049A0000-0x00000000049E0000-memory.dmp

          Filesize

          256KB

        • memory/2140-3-0x0000000000380000-0x0000000000398000-memory.dmp

          Filesize

          96KB

        • memory/2140-4-0x00000000003A0000-0x00000000003A8000-memory.dmp

          Filesize

          32KB

        • memory/2140-5-0x00000000003C0000-0x00000000003CA000-memory.dmp

          Filesize

          40KB

        • memory/2140-6-0x00000000054B0000-0x000000000552A000-memory.dmp

          Filesize

          488KB

        • memory/2140-0-0x0000000000F40000-0x0000000001022000-memory.dmp

          Filesize

          904KB

        • memory/2668-27-0x0000000070610000-0x0000000070BBB000-memory.dmp

          Filesize

          5.7MB

        • memory/2668-28-0x0000000070610000-0x0000000070BBB000-memory.dmp

          Filesize

          5.7MB

        • memory/2668-30-0x0000000070610000-0x0000000070BBB000-memory.dmp

          Filesize

          5.7MB

        • memory/2668-29-0x0000000002340000-0x0000000002380000-memory.dmp

          Filesize

          256KB

        • memory/2848-18-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2848-20-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2848-13-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2848-25-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2848-26-0x0000000074CA0000-0x000000007538E000-memory.dmp

          Filesize

          6.9MB

        • memory/2848-12-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2848-14-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2848-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2848-15-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2848-31-0x0000000074CA0000-0x000000007538E000-memory.dmp

          Filesize

          6.9MB

        • memory/2848-32-0x0000000004B40000-0x0000000004B80000-memory.dmp

          Filesize

          256KB