Resubmissions

14/05/2024, 01:24

240514-bsgbzsea94 7

13/05/2024, 21:44

240513-1lq1aaeh5t 7

Analysis

  • max time kernel
    285s
  • max time network
    287s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/05/2024, 01:24

Errors

Reason
Machine shutdown

General

  • Target

    YVLHFAC#XJFDRAZNVUHA.zip

  • Size

    5.5MB

  • MD5

    a460244a631b1b934fef9d75ecb55695

  • SHA1

    7b2361caa0590e2d5888026c727f79f8c3e41011

  • SHA256

    469d9d4815a2a5ef207f9c4ad6bafc7d8c1cfba3d432862961895f6d4fffac8f

  • SHA512

    521e009cf18f29ee598357aff7079e9d1f946d9bb3d367b9e0ef85e883cf9402ace8e8f247a2219a150ff003c79ecb6f6c6995a0145264ce11331189020d4142

  • SSDEEP

    98304:0xjko9kyYh6IGWLpcE70C9FYS8q42fB3PnfPMSAjOb83bgwbDbflc2hx0c+bwwv/:0J5EOE70C9GL2flkOY3kwbVxAfn

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\YVLHFAC#XJFDRAZNVUHA.zip
    1⤵
      PID:464
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:212
      • C:\Program Files\7-Zip\7zG.exe
        "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\YVLHFAC#XJFDRAZNVUHA\" -spe -an -ai#7zMap14848:98:7zEvent22276
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:3556
      • C:\Users\Admin\Desktop\YVLHFAC#XJFDRAZNVUHA\VXEGZHBFCFDI_JZXLIDedalles_FEPHDOC#_TSBG.exe
        "C:\Users\Admin\Desktop\YVLHFAC#XJFDRAZNVUHA\VXEGZHBFCFDI_JZXLIDedalles_FEPHDOC#_TSBG.exe"
        1⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2632
        • C:\ProgramData\DialZoomcbptModemFlexMax\ModemWavexkpDialProX.exe
          "C:\ProgramData\DialZoomcbptModemFlexMax\ModemWavexkpDialProX.exe"
          2⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4692
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /C powershell.exe -Command ""Set-ItemProperty -Path HKLM:\Software\Microsoft\Windows\CurrentVersion\Run -Name HPMactoolsSingleUpdaterqxHFkuP$DsvD_u;e2($+euqx -Value 'C:\ProgramData\DialZoomcbptModemFlexMax\ModemWavexkpDialProX.exe /runas'""
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3276
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              powershell.exe -Command ""Set-ItemProperty -Path HKLM:\Software\Microsoft\Windows\CurrentVersion\Run -Name HPMactoolsSingleUpdaterqxHFkuP$DsvD_u;e2($+euqx -Value 'C:\ProgramData\DialZoomcbptModemFlexMax\ModemWavexkpDialProX.exe /runas'""
              4⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4696
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x4 /state0:0xa38d0055 /state1:0x41c64e6d
        1⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:4504

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tz20c4rn.adj.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Public\DialZoomcbptModemFlexMax\ZbqrzJnirkxcQvnyCebK.cfg

        Filesize

        1KB

        MD5

        4abecb7d0eb621a8e185e519acb8ce97

        SHA1

        b584851a429f0896fa9584f2cf6436c4789cd3ac

        SHA256

        63f38e5336588bc7f5f1ff706a28d079ee40fb93ba9340e774a51e7d18319557

        SHA512

        49bf69bc98f08ca05dfbf7f3fccc4dee5686c3a51db945e351eb28d872903e6f9c974a2d373509a69ea05ed4029fd6a13c6d5ba9c063d65ba689817084d02f34

      • memory/2632-7-0x0000000000E30000-0x0000000001E30000-memory.dmp

        Filesize

        16.0MB

      • memory/2632-215-0x0000000000E30000-0x0000000001E30000-memory.dmp

        Filesize

        16.0MB

      • memory/2632-227-0x0000000000E30000-0x0000000001E30000-memory.dmp

        Filesize

        16.0MB

      • memory/2632-229-0x0000000000E30000-0x0000000001E30000-memory.dmp

        Filesize

        16.0MB

      • memory/2632-6-0x0000000000E30000-0x0000000001E30000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-315-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-346-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-274-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-284-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-291-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-301-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-308-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-232-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-325-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-332-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-339-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-233-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-356-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-363-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-390-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4692-228-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/4696-371-0x00000000058E0000-0x0000000005902000-memory.dmp

        Filesize

        136KB

      • memory/4696-383-0x0000000005B60000-0x0000000005EB4000-memory.dmp

        Filesize

        3.3MB

      • memory/4696-378-0x00000000059F0000-0x0000000005A56000-memory.dmp

        Filesize

        408KB

      • memory/4696-377-0x0000000005980000-0x00000000059E6000-memory.dmp

        Filesize

        408KB

      • memory/4696-370-0x0000000005210000-0x0000000005838000-memory.dmp

        Filesize

        6.2MB

      • memory/4696-384-0x0000000006030000-0x000000000604E000-memory.dmp

        Filesize

        120KB

      • memory/4696-385-0x0000000006060000-0x00000000060AC000-memory.dmp

        Filesize

        304KB

      • memory/4696-369-0x0000000002AA0000-0x0000000002AD6000-memory.dmp

        Filesize

        216KB