Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13-08-2024 15:22

General

  • Target

    fdm_x64_setup.exe

  • Size

    38.5MB

  • MD5

    dded481da831784a00d556a1280c124c

  • SHA1

    48b40f82f66dd678f1c2f4c1298eaae2875f75e6

  • SHA256

    2937de2eb7763851d644e637cb7d7375fd69b218beeaceedc46254ac388203c7

  • SHA512

    78dd1b42e918e9670edaaecd1765fb26e349ab7a5bc7b4dc3b85bd387f073a8ac0a4abc6b8a50d5b3cc6cce753cc8745b26bd47b42953723b21b949e7956cbcd

  • SSDEEP

    786432:jketduUzNdogfpTmDvwLIDH8StVQFkatYPexssk:jkiuUtpTmDvwE78+IHUe

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 32 IoCs
  • Modifies data under HKEY_USERS 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fdm_x64_setup.exe
    "C:\Users\Admin\AppData\Local\Temp\fdm_x64_setup.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Users\Admin\AppData\Local\Temp\is-9NDRM.tmp\fdm_x64_setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9NDRM.tmp\fdm_x64_setup.tmp" /SL5="$400EE,39406194,832512,C:\Users\Admin\AppData\Local\Temp\fdm_x64_setup.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      PID:2800
  • C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Windows\system32\logoff.exe
      logoff
      2⤵
        PID:2568
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x0
      1⤵
        PID:2616
      • C:\Windows\system32\csrss.exe
        %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
        1⤵
        • System Location Discovery: System Language Discovery
        • Enumerates system info in registry
        • Suspicious use of WriteProcessMemory
        PID:1812
      • C:\Windows\system32\winlogon.exe
        winlogon.exe
        1⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of WriteProcessMemory
        PID:2972
        • C:\Windows\system32\LogonUI.exe
          "LogonUI.exe" /flags:0x0
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:548

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • \Users\Admin\AppData\Local\Temp\is-9NDRM.tmp\fdm_x64_setup.tmp

        Filesize

        3.1MB

        MD5

        60f76f6e78d966f31d9c574c7465899d

        SHA1

        2c231f5a57d294ab2b6c1fc6f7902fb453fbeac7

        SHA256

        ced610b7c01111d289a511d35ada43d94fb4b2537ccfc0317a23e1d3eecd3bf8

        SHA512

        59b67dd82d6f3cee823d7fba1722455c52479413664f816c6756e42bee877ba854844b10c90d22e63b3631e3b8b83dbf35912507b7fedd7fda4f2724888e2cf0

      • memory/2724-2-0x0000000000401000-0x00000000004B7000-memory.dmp

        Filesize

        728KB

      • memory/2724-0-0x0000000000400000-0x00000000004D8000-memory.dmp

        Filesize

        864KB

      • memory/2724-10-0x0000000000400000-0x00000000004D8000-memory.dmp

        Filesize

        864KB

      • memory/2724-18-0x0000000000400000-0x00000000004D8000-memory.dmp

        Filesize

        864KB

      • memory/2800-8-0x0000000000400000-0x000000000071C000-memory.dmp

        Filesize

        3.1MB

      • memory/2800-9-0x0000000000400000-0x000000000071C000-memory.dmp

        Filesize

        3.1MB

      • memory/2800-11-0x0000000000400000-0x000000000071C000-memory.dmp

        Filesize

        3.1MB