Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 02:06

General

  • Target

    Bukti_Transfer.exe

  • Size

    826KB

  • MD5

    37e06c2bc98981aeb96dd602ab30469d

  • SHA1

    07676c38245928dfc27e2a84279d8ef7d274a47c

  • SHA256

    6001b10c42cba43fd391a3f6df33506b631f94345909d961906870cb2a58972a

  • SHA512

    30866b42266c4ad674113aaa5dd89404dcb78bf7ea9a31612a833f3086517d56f423a87d4c77e200c68f0650a493d26c148ec7d913bb37a4dec1ca8121899e33

  • SSDEEP

    12288:FJLqUr5Vko180J5ZZVwrTpcdUV02gMcF3hEPCUHpDSQzK/9JdlH:780JPZirTKp2gMAhbApDSQG9Jz

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    vjgazgheutfgivme

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 4 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe
    "C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4948
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gfGxxTwL.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3180
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gfGxxTwL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFBE4.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1468
    • C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe
      "C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe"
      2⤵
        PID:5092
      • C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe
        "C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe"
        2⤵
          PID:2528
        • C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe
          "C:\Users\Admin\AppData\Local\Temp\Bukti_Transfer.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:4504

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Bukti_Transfer.exe.log

        Filesize

        1KB

        MD5

        e50d61d6d5cec0d2c6b3fbf02b17af2d

        SHA1

        fcf43f96e7389c27ee201fb00b65db01ca2cee40

        SHA256

        a87cf2dbf70a59d3d347f9ca743b6ceb3c805b4714cf4fb963c18b9ca8ffd0a9

        SHA512

        0348b60095cd48d275a5234fe34c1fd7a7c9921e1d92dafea0379d607f898eb1c2e089dafa1db608fad65497fc8f90fa699109b06a5f2c12c0bc8c9192ff9924

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oz40qvxm.f5t.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmpFBE4.tmp

        Filesize

        1KB

        MD5

        9c5b3de918c7c253dee3c1040b743bcf

        SHA1

        573bb2909c14ff28ada105c64f7ca8931048e2e4

        SHA256

        0cb724f8c09653320758dc8d79e0a0c3d6b43ee176fe82e526a865d63737e952

        SHA512

        3fe7b0d9a6335720ee33746d98a627502fa65a396bee71ab5ea38641606a780aa214e2169de268efddd4cf73142f7554467a55fcbdd24ba0acdc0da22bb57538

      • memory/3180-15-0x0000000075340000-0x0000000075AF0000-memory.dmp

        Filesize

        7.7MB

      • memory/3180-56-0x00000000079B0000-0x00000000079BA000-memory.dmp

        Filesize

        40KB

      • memory/3180-65-0x0000000075340000-0x0000000075AF0000-memory.dmp

        Filesize

        7.7MB

      • memory/3180-62-0x0000000007C60000-0x0000000007C68000-memory.dmp

        Filesize

        32KB

      • memory/3180-61-0x0000000007C80000-0x0000000007C9A000-memory.dmp

        Filesize

        104KB

      • memory/3180-60-0x0000000007B80000-0x0000000007B94000-memory.dmp

        Filesize

        80KB

      • memory/3180-13-0x0000000002CF0000-0x0000000002D26000-memory.dmp

        Filesize

        216KB

      • memory/3180-59-0x0000000007B70000-0x0000000007B7E000-memory.dmp

        Filesize

        56KB

      • memory/3180-58-0x0000000007B40000-0x0000000007B51000-memory.dmp

        Filesize

        68KB

      • memory/3180-57-0x0000000007BC0000-0x0000000007C56000-memory.dmp

        Filesize

        600KB

      • memory/3180-17-0x0000000005800000-0x0000000005E28000-memory.dmp

        Filesize

        6.2MB

      • memory/3180-18-0x0000000075340000-0x0000000075AF0000-memory.dmp

        Filesize

        7.7MB

      • memory/3180-19-0x0000000005EA0000-0x0000000005EC2000-memory.dmp

        Filesize

        136KB

      • memory/3180-22-0x0000000005FB0000-0x0000000006016000-memory.dmp

        Filesize

        408KB

      • memory/3180-23-0x0000000075340000-0x0000000075AF0000-memory.dmp

        Filesize

        7.7MB

      • memory/3180-55-0x0000000007940000-0x000000000795A000-memory.dmp

        Filesize

        104KB

      • memory/3180-54-0x0000000007F90000-0x000000000860A000-memory.dmp

        Filesize

        6.5MB

      • memory/3180-53-0x0000000007630000-0x00000000076D3000-memory.dmp

        Filesize

        652KB

      • memory/3180-26-0x0000000006020000-0x0000000006374000-memory.dmp

        Filesize

        3.3MB

      • memory/3180-52-0x0000000006BB0000-0x0000000006BCE000-memory.dmp

        Filesize

        120KB

      • memory/3180-42-0x0000000075BF0000-0x0000000075C3C000-memory.dmp

        Filesize

        304KB

      • memory/3180-41-0x00000000075F0000-0x0000000007622000-memory.dmp

        Filesize

        200KB

      • memory/3180-21-0x0000000005F40000-0x0000000005FA6000-memory.dmp

        Filesize

        408KB

      • memory/3180-39-0x0000000006620000-0x000000000663E000-memory.dmp

        Filesize

        120KB

      • memory/3180-40-0x0000000006640000-0x000000000668C000-memory.dmp

        Filesize

        304KB

      • memory/4504-69-0x0000000006360000-0x000000000636A000-memory.dmp

        Filesize

        40KB

      • memory/4504-68-0x0000000006280000-0x00000000062D0000-memory.dmp

        Filesize

        320KB

      • memory/4504-67-0x0000000075340000-0x0000000075AF0000-memory.dmp

        Filesize

        7.7MB

      • memory/4504-66-0x0000000005510000-0x0000000005528000-memory.dmp

        Filesize

        96KB

      • memory/4504-20-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/4504-38-0x00000000055F0000-0x0000000005B94000-memory.dmp

        Filesize

        5.6MB

      • memory/4504-37-0x0000000075340000-0x0000000075AF0000-memory.dmp

        Filesize

        7.7MB

      • memory/4948-1-0x00000000009B0000-0x0000000000A84000-memory.dmp

        Filesize

        848KB

      • memory/4948-0-0x000000007534E000-0x000000007534F000-memory.dmp

        Filesize

        4KB

      • memory/4948-16-0x0000000005D10000-0x0000000005D4C000-memory.dmp

        Filesize

        240KB

      • memory/4948-2-0x0000000075340000-0x0000000075AF0000-memory.dmp

        Filesize

        7.7MB

      • memory/4948-7-0x0000000005880000-0x000000000591C000-memory.dmp

        Filesize

        624KB

      • memory/4948-4-0x0000000005540000-0x00000000055D2000-memory.dmp

        Filesize

        584KB

      • memory/4948-5-0x000000007534E000-0x000000007534F000-memory.dmp

        Filesize

        4KB

      • memory/4948-3-0x0000000002E30000-0x0000000002E3E000-memory.dmp

        Filesize

        56KB

      • memory/4948-8-0x0000000005C50000-0x0000000005D0C000-memory.dmp

        Filesize

        752KB

      • memory/4948-36-0x0000000075340000-0x0000000075AF0000-memory.dmp

        Filesize

        7.7MB

      • memory/4948-6-0x0000000075340000-0x0000000075AF0000-memory.dmp

        Filesize

        7.7MB