Analysis

  • max time kernel
    133s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-02-2024 05:12

General

  • Target

    18685cc299f03f907413c789321ea1131326fec4a71de97194814685ba0dba38.exe

  • Size

    703KB

  • MD5

    c56407abd66f8bb4eaa318e56f464f71

  • SHA1

    134d8ad6789d8c500005754da686ddc7d46e92d1

  • SHA256

    18685cc299f03f907413c789321ea1131326fec4a71de97194814685ba0dba38

  • SHA512

    6f52056d194dcaedba67bf2f29a7036e4172008085ee6cd1c0734077801c28c961501d1c535cd3bb7086c08cf7ffc29de9098770dbe93bd382554242a0ae07cc

  • SSDEEP

    12288:vW+L9bW9ezd6Ztw4C8zFVK52RoA5UCWEFElQ+Nij2DGoNHJqCf9OK96bkR:vbL9iyYnRC8zA26A5hxOlQ+cCJNHgKE+

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 6 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 6 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 6 IoCs
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\18685cc299f03f907413c789321ea1131326fec4a71de97194814685ba0dba38.exe
    "C:\Users\Admin\AppData\Local\Temp\18685cc299f03f907413c789321ea1131326fec4a71de97194814685ba0dba38.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1244
    • 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\18685cc299f03f907413c789321ea1131326fec4a71de97194814685ba0dba38.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3004
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nvLQFOOBRNypY.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2616
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nvLQFOOBRNypY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4DA3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2780
    • C:\Users\Admin\AppData\Local\Temp\18685cc299f03f907413c789321ea1131326fec4a71de97194814685ba0dba38.exe
      "C:\Users\Admin\AppData\Local\Temp\18685cc299f03f907413c789321ea1131326fec4a71de97194814685ba0dba38.exe"
      2⤵
        PID:2736
      • C:\Users\Admin\AppData\Local\Temp\18685cc299f03f907413c789321ea1131326fec4a71de97194814685ba0dba38.exe
        "C:\Users\Admin\AppData\Local\Temp\18685cc299f03f907413c789321ea1131326fec4a71de97194814685ba0dba38.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2588

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp4DA3.tmp

      Filesize

      1KB

      MD5

      8c87c4d2ae3795cb05df753cde308339

      SHA1

      33f6c3e7fcdb62c244189dad6c4a6dd4ee52bc07

      SHA256

      4dce923a5a727533cfa50f2388105a972b4c04eccb0b768af5fc5a2b41b7c6f7

      SHA512

      b1680eb94eaf4b7c4814ea56999828efd8f4f82d495d749e523f570320cc6eee4527cb06f86daf79702e6d732aabe9b160a1e37944606efc76380bd2c8ed6937

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\BD7MTQCDD5JL7Q377ED3.temp

      Filesize

      7KB

      MD5

      a8a9e21a7c456d3b97b7934f41c8f4c1

      SHA1

      0ea79a0d4508906455aaa063f26ff15add902d52

      SHA256

      b67c7c0f3cadf6940ac7eea245f060c977f2e5a3b1c49893b8f3f196c53846a3

      SHA512

      6c6768735e356ec2aba2b718fc8ee1b2af231d58a7b9432c26bc5eedb2d024d82836de5e1f4eca9e436dadfeee8e876a8e6d7f14fa36d1e63004feb299ff501f

    • memory/1244-0-0x0000000000F50000-0x0000000001002000-memory.dmp

      Filesize

      712KB

    • memory/1244-1-0x0000000074800000-0x0000000074EEE000-memory.dmp

      Filesize

      6.9MB

    • memory/1244-2-0x0000000000390000-0x00000000003D0000-memory.dmp

      Filesize

      256KB

    • memory/1244-3-0x0000000000410000-0x000000000042C000-memory.dmp

      Filesize

      112KB

    • memory/1244-4-0x0000000000370000-0x000000000037C000-memory.dmp

      Filesize

      48KB

    • memory/1244-5-0x0000000000430000-0x0000000000442000-memory.dmp

      Filesize

      72KB

    • memory/1244-6-0x0000000005980000-0x0000000005A04000-memory.dmp

      Filesize

      528KB

    • memory/1244-29-0x0000000074800000-0x0000000074EEE000-memory.dmp

      Filesize

      6.9MB

    • memory/2588-26-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2588-40-0x0000000073500000-0x0000000073BEE000-memory.dmp

      Filesize

      6.9MB

    • memory/2588-20-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2588-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2588-22-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2588-28-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2588-19-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2588-31-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2588-42-0x0000000004C00000-0x0000000004C40000-memory.dmp

      Filesize

      256KB

    • memory/2588-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2588-41-0x0000000073500000-0x0000000073BEE000-memory.dmp

      Filesize

      6.9MB

    • memory/2616-34-0x0000000001E80000-0x0000000001EC0000-memory.dmp

      Filesize

      256KB

    • memory/2616-35-0x000000006F3A0000-0x000000006F94B000-memory.dmp

      Filesize

      5.7MB

    • memory/2616-33-0x000000006F3A0000-0x000000006F94B000-memory.dmp

      Filesize

      5.7MB

    • memory/3004-36-0x000000006F3A0000-0x000000006F94B000-memory.dmp

      Filesize

      5.7MB

    • memory/3004-37-0x0000000000280000-0x00000000002C0000-memory.dmp

      Filesize

      256KB

    • memory/3004-38-0x0000000000280000-0x00000000002C0000-memory.dmp

      Filesize

      256KB

    • memory/3004-39-0x000000006F3A0000-0x000000006F94B000-memory.dmp

      Filesize

      5.7MB

    • memory/3004-32-0x000000006F3A0000-0x000000006F94B000-memory.dmp

      Filesize

      5.7MB