Analysis

  • max time kernel
    121s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-09-2024 10:28

General

  • Target

    d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe

  • Size

    1.5MB

  • MD5

    fb3ad7e9cb5938ad1af8facf52693b27

  • SHA1

    4a45c5429a503e8730ebc5261441e91b963510d1

  • SHA256

    d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793

  • SHA512

    bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60

  • SSDEEP

    24576:8IFcjHUVcxTE59dcvuc8kXeRYPps4GY4a9qJVX8ScEhAs3PseK0dHosEfzbm:8IFczdarcW/hySXYh9UPvhAKPFFOsw

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 4 IoCs

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

  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe
    "C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2868
    • 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\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2888
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eouOCEx.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2572
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eouOCEx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAF6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1952
    • C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe
      "C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe"
      2⤵
        PID:2596
      • C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe
        "C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe"
        2⤵
          PID:2692
        • C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe
          "C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2708
          • 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\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe"
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1684
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wlBldyvi.exe"
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1804
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC42.tmp"
            3⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2276
          • C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe
            "C:\Users\Admin\AppData\Local\Temp\d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793.exe"
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2400

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpBAF6.tmp

        Filesize

        1KB

        MD5

        e862903e096beab2d1742f0f3b52ce18

        SHA1

        4b0f8faa49b47a17316ee0ba961fd9bf82dc44b2

        SHA256

        503ea70e7c13329da81c03a583a8558106b4ac1c25635abe42c398e1e221cf65

        SHA512

        5a6f39001071a7d299c07eedfb399a9c387e2a4664357a187cfd55bc1e43a90fbb24ba521df5e09342968ce6707eb7c1a9d616bf68c1bf53e0344614a74b8da5

      • C:\Users\Admin\AppData\Local\Temp\tmpEC42.tmp

        Filesize

        1KB

        MD5

        f2318ecbef5c4dff0abd8b7a31f5fc99

        SHA1

        6dd09a37a9ba3a3e4250c385a0958b33b60f7c6f

        SHA256

        01d01f1ddcc0091eb1a23c577f6ee6ebcafa8f0a59f5f784d582a1b153b39cfa

        SHA512

        74d84df05f6e5329171e822d5a1fd2e4fdd8fcb0e59d5e69b26f6e1cf94d007c86d2d9458f220f0c216d6df0b8ffc7add8f63d55e7e1f3b14ae71a2de69e9244

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\PH3SLBKNDOT7OC9F9S6X.temp

        Filesize

        7KB

        MD5

        9461fe3fea082185767c903d0d0ec339

        SHA1

        3e12c3b845ce1f1c1f9227a71924634a9829fb14

        SHA256

        3c3a66b37080c4f7f4acd12c9445ad2096f7dcb15c99c7841086ac03d57a6edc

        SHA512

        e6622e0eb674937a3a8a99f562feadccabd6304430c60ac44221564d51a17e537e4cd390b1bf32dfe9b1479db076dcd1c228b945f702ba5b1818680c45ea5f93

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

        Filesize

        7KB

        MD5

        ccbfbf9156980a7eb54f255131e12daa

        SHA1

        7f71510b38ee8cee53b0188c45b979af2b962648

        SHA256

        f607b98ea09b8d1ae64e333086cff53d0c4a5b14c568730d6664bbeb9070be47

        SHA512

        8a20818271bbd5f5358a9a70c5d46fa13793a932224299b5f3472c977f29523147d011b760653a5ff2818bec4b0b63edef00a47d9fdf6744546d413a8d833faf

      • C:\Users\Admin\AppData\Roaming\wlBldyvi.exe

        Filesize

        1.5MB

        MD5

        fb3ad7e9cb5938ad1af8facf52693b27

        SHA1

        4a45c5429a503e8730ebc5261441e91b963510d1

        SHA256

        d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793

        SHA512

        bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60

      • memory/2400-64-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2400-54-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2400-56-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2400-58-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2400-62-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2400-61-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2400-52-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2708-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2708-25-0x0000000000400000-0x00000000004D4000-memory.dmp

        Filesize

        848KB

      • memory/2708-23-0x0000000000400000-0x00000000004D4000-memory.dmp

        Filesize

        848KB

      • memory/2708-28-0x0000000000400000-0x00000000004D4000-memory.dmp

        Filesize

        848KB

      • memory/2708-31-0x0000000000400000-0x00000000004D4000-memory.dmp

        Filesize

        848KB

      • memory/2708-32-0x0000000004CC0000-0x0000000004D60000-memory.dmp

        Filesize

        640KB

      • memory/2708-29-0x0000000000400000-0x00000000004D4000-memory.dmp

        Filesize

        848KB

      • memory/2708-35-0x00000000053D0000-0x0000000005452000-memory.dmp

        Filesize

        520KB

      • memory/2708-19-0x0000000000400000-0x00000000004D4000-memory.dmp

        Filesize

        848KB

      • memory/2708-21-0x0000000000400000-0x00000000004D4000-memory.dmp

        Filesize

        848KB

      • memory/2708-33-0x0000000000580000-0x0000000000590000-memory.dmp

        Filesize

        64KB

      • memory/2868-4-0x00000000740DE000-0x00000000740DF000-memory.dmp

        Filesize

        4KB

      • memory/2868-1-0x0000000000070000-0x00000000001F2000-memory.dmp

        Filesize

        1.5MB

      • memory/2868-34-0x00000000740D0000-0x00000000747BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2868-3-0x0000000000600000-0x0000000000612000-memory.dmp

        Filesize

        72KB

      • memory/2868-0-0x00000000740DE000-0x00000000740DF000-memory.dmp

        Filesize

        4KB

      • memory/2868-2-0x00000000740D0000-0x00000000747BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2868-6-0x0000000007E80000-0x0000000007F96000-memory.dmp

        Filesize

        1.1MB

      • memory/2868-5-0x00000000740D0000-0x00000000747BE000-memory.dmp

        Filesize

        6.9MB