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Overview

overview

10

Static

static

5

2cb51ba4e2...ff.exe

windows7-x64

10

2cb51ba4e2...ff.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 07:06

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General

  • Target

    2cb51ba4e2ff06f522ce4f5beeb2bfff.exe

  • Size

    512KB

  • MD5

    2cb51ba4e2ff06f522ce4f5beeb2bfff

  • SHA1

    5c1e980a851438111df7420989a1a6dc1c6a930e

  • SHA256

    f8230fbfb661d9749b10071ee16ffc0220e3d37c5b344241368ccf6c042f9923

  • SHA512

    5e6320758901400882216835d05b87e2002997a2a656af4805b1d8f36800436b6061dd96b1ad2596894f3bfe65967541a0ac22b7d09a0cbf3f14fea7cf1894c0

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6s:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5r

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
    persistence
  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2cb51ba4e2ff06f522ce4f5beeb2bfff.exe
    "C:\Users\Admin\AppData\Local\Temp\2cb51ba4e2ff06f522ce4f5beeb2bfff.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2224
      • C:\Windows\SysWOW64\ejhdrxdnrqbno.exe
        ejhdrxdnrqbno.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2748
      • C:\Windows\SysWOW64\snxwvvqx.exe
        snxwvvqx.exe
        2⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2716
      • C:\Windows\SysWOW64\dcjtdmfmcnrrtxv.exe
        dcjtdmfmcnrrtxv.exe
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2844
      • C:\Windows\SysWOW64\ggphqzsgde.exe
        ggphqzsgde.exe
        2⤵
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Windows security bypass
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Loads dropped DLL
        • Windows security modification
        • Enumerates connected drives
        • Modifies WinLogon
        • Drops file in System32 directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2160
    • C:\Windows\SysWOW64\snxwvvqx.exe
      C:\Windows\system32\snxwvvqx.exe
      1⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2612

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
      Filesize

      20KB

      MD5

      72433c275e324d5e1ee9a27d884b38ba

      SHA1

      8b54528c99825eaf836064df1c1c1e6635e479e6

      SHA256

      0c5d012924f91eeb25e8279cac26cbaecb816c79969658df178e24373d238a79

      SHA512

      1fd7bdb3d15ed538af9bc2551e7eae28dea687134e25b9f880b69b504d2cff15cd7ba35609d0fd38717bab5df32de9c882f514b34a5d0d77120dfd43abda0094

      Download Submit

    • C:\Windows\SysWOW64\dcjtdmfmcnrrtxv.exe
      Filesize

      381KB

      MD5

      30aec9e0b33fbd99234328357879f812

      SHA1

      3c9d37139d4ccfe2b694afba9633170d0f510a92

      SHA256

      15aad0daaaeea2f1eb8d19a8999f42844b2885d6bef949f6787feba7dad46563

      SHA512

      2060f2cc8c90181dd0a9965f0ff3a94aece08c82c4a68454846f66778bc60dade3ba5ddc38be57311ff4a7bd78217b89a9cd09837eee4b5d9893277299dad415

      Download Submit

    • C:\Windows\SysWOW64\ggphqzsgde.exe
      Filesize

      94KB

      MD5

      adf240d1843e40ab9617e9dc12bc9b5b

      SHA1

      70923ac6636077728d2721b22d312002f735deea

      SHA256

      f53d3e249050f489475559b9c39548a2afb7157dbd9e87551ef5349fa76ccb62

      SHA512

      e2aec62114f1f6b5e94e0888efc2758e284835e0099abbfd3dd80cf3500a1e0d628c3ecb66b6b48fe051327746af38f2e953e1f816819c6b18126212621e7ccd

      Download Submit

    • \Windows\SysWOW64\dcjtdmfmcnrrtxv.exe
      Filesize

      512KB

      MD5

      a16047ec5fe0eb91f77bf3a965808c5a

      SHA1

      aa441f6d5b6c5eaff20f0453573b1facb33c81b6

      SHA256

      72d6f535ef998f961ce0bcf933f4b0e2e93c9e87b4ff6ea5b1473ad3107d16be

      SHA512

      7f976d8e2258f44543c265c7e31743fbf24c8a70037cb5ed23d161cdfbcbcf0e87159908cbbf6f0328729c38b94a3b590fc623185511a56f6227cbdab04c4f30

      Download Submit

    • \Windows\SysWOW64\ggphqzsgde.exe
      Filesize

      512KB

      MD5

      e6b639bb16d09d7514341d2b8cf7aee4

      SHA1

      d855e3a5a586f8de803e83a5d3cb74e77ff3db17

      SHA256

      1f18616c498c66767c40c858e0441d57f41f45c6b6634cd8bc7f515ee715b44b

      SHA512

      7d17108d284a59d4fe7a1d0aa1a117e9742a3592ea540f9cf2893a6555fb800a5b7f8c8eaeb75e0fe138815422bed8274f289f60e4785b5c51b514957c15a308

      Download Submit

    • \Windows\SysWOW64\snxwvvqx.exe
      Filesize

      92KB

      MD5

      59ebf1358a9b829f5709baaedeeee6fa

      SHA1

      1409fd65da1b814db0a08feae54366dfca196f1c

      SHA256

      d251f3126813d9f42461b0d23153c37c405979347a47fb0f04e0503beaf31a06

      SHA512

      a2d71b94a087aa6d376f4f065d9f7ff987fd50ea93949372fa9ef5b6692b45cef7ae267c88376b9d2953e4476496f67af1173e9f0f8ba81101dc94c6872cf417

      Download Submit

    • memory/2088-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2760-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2760-47-0x00000000710FD000-0x0000000071108000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2760-45-0x000000002F701000-0x000000002F702000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2760-81-0x00000000710FD000-0x0000000071108000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2760-102-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download