Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    12-09-2024 07:05

General

  • Target

    FSCDL2407009-Debit Note.scr

  • Size

    669KB

  • MD5

    9f1263691f61af5eb7a7b8ad52134be2

  • SHA1

    2fae8614a8c48b09140ad431d20c89ec0e6c70fa

  • SHA256

    1736cd52fdc1deacedeac1de86d461ceb01c476e307520762b74b67ca8fa4b4b

  • SHA512

    4b5de03719f4fcd7bc2cb94879589b605c8f95cb397bf4293c781ffdcb4e1b42953bea8da2474f73a2d4de162fcc4c11d9b99a15c9acb0ac233820bf9039594b

  • SSDEEP

    12288:1z7kvDoQE2wD/Cv3BZCU30HapCU0q3ly+t/DlVUjaKPTUw79ylQ/ePooitapDcaJ:1zoXwDgZ/096v3UFPDw3goitapDcG

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Looks up external IP address via web service 2 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FSCDL2407009-Debit Note.scr
    "C:\Users\Admin\AppData\Local\Temp\FSCDL2407009-Debit Note.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2120
    • 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\FSCDL2407009-Debit Note.scr"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2340
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LpiosEmwQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2452
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LpiosEmwQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB1C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2744
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2232
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:2176
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2968

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpCB1C.tmp

        Filesize

        1KB

        MD5

        0dda8952b4cf87a2486eb3588226d33b

        SHA1

        2bf46a20bb53f7ae1b0f3929aa66ca4a6f54ac52

        SHA256

        7a08bc0636bb4ef627eea4e8357e180fe5aa51ab1c83b402e830b3e11de2b880

        SHA512

        b9a1ab2ea0eb6b74ead45bf123568f4db512d08028fbe2257f37a307b9c56f55b8ed04f2bfbff72da76ccc7ecf0470c4bbe6669ed456f319b2eef845befd70cf

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

        Filesize

        7KB

        MD5

        4413b4f8955209c9ca09edf7d49097e3

        SHA1

        f7e44ec35f737d584296beea180c7b19f0c7021b

        SHA256

        7897d1cc47b4ae204ece5b52a3915aa271419690882323b5497bcae61afe7bf4

        SHA512

        e06a379297da9b147382c41830889cbedc0af79d97c1ae022fa15afff99df24194084b1d3dda685ca6cad4fdd2a9c1753f352e64c7e8a1b3d12dd9c6142e16d7

      • memory/2120-4-0x000000007450E000-0x000000007450F000-memory.dmp

        Filesize

        4KB

      • memory/2120-32-0x0000000074500000-0x0000000074BEE000-memory.dmp

        Filesize

        6.9MB

      • memory/2120-0-0x000000007450E000-0x000000007450F000-memory.dmp

        Filesize

        4KB

      • memory/2120-5-0x0000000074500000-0x0000000074BEE000-memory.dmp

        Filesize

        6.9MB

      • memory/2120-6-0x0000000005110000-0x0000000005192000-memory.dmp

        Filesize

        520KB

      • memory/2120-2-0x0000000074500000-0x0000000074BEE000-memory.dmp

        Filesize

        6.9MB

      • memory/2120-1-0x00000000012D0000-0x000000000137C000-memory.dmp

        Filesize

        688KB

      • memory/2120-3-0x0000000000390000-0x00000000003A0000-memory.dmp

        Filesize

        64KB

      • memory/2968-19-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2968-31-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2968-28-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2968-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2968-25-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2968-23-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2968-21-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2968-29-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB