Analysis

  • max time kernel
    117s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 11:00

General

  • Target

    FILE....bat.exe

  • Size

    702KB

  • MD5

    d8255eb607db6d8f72c2d00f189fa91e

  • SHA1

    ac959d228d425713d614e09906c969464fc1ca79

  • SHA256

    176d7732afe006497070888796728dca5773c1798b4aa603676829b956dad57e

  • SHA512

    b9f58c0c4391954ba5c01d5b23c4effac9e9240b25ffa1b3f15de196f895c8a62c12385ded7b8838af6a9c45e7cae582e143f7a468e0daf4323513e20f2c28ac

  • SSDEEP

    12288:BxhbIc9r8+HfmI+aFNco0sTYUEB7JyhxkN+sfWPk4Qud/YMjhvPie/rByY77777k:BxhXrhfl+sOo0sMjB7JyhxO+Ds4QuRYB

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FILE....bat.exe
    "C:\Users\Admin\AppData\Local\Temp\FILE....bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1548
    • 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\FILE....bat.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2780
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UtuyXvTGwdN.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UtuyXvTGwdN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE2F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2808
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:592

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpDE2F.tmp

          Filesize

          1KB

          MD5

          045566187d8824566444092db559a983

          SHA1

          27c5088664ce3fce27582e2bc984e56901c49e02

          SHA256

          9e6c19ccdda52bab22f46a46657d530be3e4147631c8dcb54c7baaf27a991795

          SHA512

          e7ceda8c7fcf1ef6c744e07389e357e777fbe5cb2242dafa9ce87b2e8c035258760ee48eb09d053301e92efca9bd67282d583ea36ae8127478a9d3d8a27fa23f

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

          Filesize

          7KB

          MD5

          aef0021b43caf1b9de033cbf8a776a9f

          SHA1

          fe6ba0c3ca30cd8db3f124dcc18612bb6207293d

          SHA256

          8cb558b35d5e1bc03999554fa141790ddd6b170ec52826d6173f004103fdcfc9

          SHA512

          dc95c44de49118e6a2385d66511292d04063111aa8a819a467475a2ff3eb253ce9bb876449b3d0588bf440307eb9390b654d41af6f5c8fa52e50241371230ed7

        • memory/592-29-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/592-24-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/592-20-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/592-22-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/592-26-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/592-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/592-30-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/592-31-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1548-1-0x00000000001E0000-0x0000000000292000-memory.dmp

          Filesize

          712KB

        • memory/1548-2-0x0000000001E10000-0x0000000001E30000-memory.dmp

          Filesize

          128KB

        • memory/1548-0-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

          Filesize

          4KB

        • memory/1548-7-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

          Filesize

          4KB

        • memory/1548-6-0x00000000050F0000-0x0000000005172000-memory.dmp

          Filesize

          520KB

        • memory/1548-3-0x0000000074B90000-0x000000007527E000-memory.dmp

          Filesize

          6.9MB

        • memory/1548-5-0x0000000001E80000-0x0000000001E96000-memory.dmp

          Filesize

          88KB

        • memory/1548-4-0x0000000001E30000-0x0000000001E40000-memory.dmp

          Filesize

          64KB

        • memory/1548-32-0x0000000074B90000-0x000000007527E000-memory.dmp

          Filesize

          6.9MB