Overview

overview

10

Static

static

5

51016dc2d1...87.exe

windows7-x64

10

51016dc2d1...87.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 03:38

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    51016dc2d1d80ae9d30c5ffed6cec387.exe

  • Size

    512KB

  • MD5

    51016dc2d1d80ae9d30c5ffed6cec387

  • SHA1

    a64ec5a6c0c541db5fd9351cfafcc3f191b53b01

  • SHA256

    572eb7ac9e3601b5741d9491af311f5e71435ba726583d5b238b0527ab61a96f

  • SHA512

    7953715b7cb7454a8becc554f1e3bc479b8243953563a13f80b98031fdf53a0479e6a1d99cc7bbe8f37a2561b3829d149b8cc413d075450b9f5c0d6224bed57b

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6A: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 5 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\51016dc2d1d80ae9d30c5ffed6cec387.exe
    "C:\Users\Admin\AppData\Local\Temp\51016dc2d1d80ae9d30c5ffed6cec387.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:2100
    • C:\Windows\SysWOW64\nygddtenhf.exe
      nygddtenhf.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:2716
      • C:\Windows\SysWOW64\jhvzdoxv.exe
        C:\Windows\system32\jhvzdoxv.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2604
    • C:\Windows\SysWOW64\vrblpxjfmskbwui.exe
      vrblpxjfmskbwui.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2800
    • C:\Windows\SysWOW64\jhvzdoxv.exe
      jhvzdoxv.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:2680
    • C:\Windows\SysWOW64\oygdgqmwajxpc.exe
      oygdgqmwajxpc.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2584
    • 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:2820
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1656

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      20KB

      MD5

      07d55dbbc34c89b3a47a673409571f17

      SHA1

      363fbcd26203d9d8c7655756cbd8a878218dad1a

      SHA256

      242699fa7ef51620f8ba9061c31fb6e894b4b38df1f789f7a3a82096aec40675

      SHA512

      204097a439fd30156a04f36ddfa569774e42e0915dfc4190fd7caeacd992d9dbda99dc6b0035e9299e6db97afa3221da6e43136e6f6379b02e8b828e2cd43295

      Download Submit

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

      512KB

      MD5

      6d6a2defe51faacf99b7e00318298e98

      SHA1

      6f5a74c30688aa58a1db28cd8acc7bbdc395bf05

      SHA256

      9ec79520c3236ed23196d6df72ffd398880c7d3c80b983231b71f132e30920c2

      SHA512

      f5eb23fac12bc6f1bd010d37a6600a3e199fef12b34c9f0cb8068f521ba41925aa9664762487acebad006a0ba3e34e66154ac3ba566de614c172a7f2505f3be3

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\jhvzdoxv.exe
      Filesize

      512KB

      MD5

      3d44f3312cf40f13fdb0a761d0778df5

      SHA1

      053d86e789af60270bd93313d8bef6b9d0ce1014

      SHA256

      ce99af47c4d747cafe0622bc61d0871689642bd39e940210250caa5a964bf0de

      SHA512

      9c0edb8b8848d1fe63a405a12165a58f6bbc0627adcba4b2c0de44f68e607e3c1e437f58138dd6afc3d6a06882c0fe0b26f895a06272bcda0fcd1f0b1ea263f8

      Download Submit

    • \Windows\SysWOW64\nygddtenhf.exe
      Filesize

      512KB

      MD5

      d4ca761c9215690415fccc4d844e57d9

      SHA1

      43ab6118b368d6887a3be7e76ac280108cfa60a9

      SHA256

      ed2f43209ffc108f3b40d33238c60081e6626f407723e5e760f7173823654094

      SHA512

      7adaf4657a5dbb057ecbd689fa50ebf9c3cfc0cd900477618169001a3d51f348ced075da41892259bbd2aa92b45c92bff1d2af0710629769028d5055960a9756

      Download Submit

    • \Windows\SysWOW64\oygdgqmwajxpc.exe
      Filesize

      512KB

      MD5

      c4c4935e608404b31025dc86691c1121

      SHA1

      8220f098bbfadee2321e39d8850eb26f63da0e27

      SHA256

      d0007a4315408e5c6887f6dd3e0b85e919baf3c7d77883c3a96ec05dde986159

      SHA512

      638ab5a18468ac0388d8de8f76607d221d3814ef787c59ba8fa5fe03c1f57145c52e045bebfd987f30fa487743afccc21feefa723f8f6dbbbccbc117f8c37525

      Download Submit

    • memory/2100-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2820-45-0x000000002F3D1000-0x000000002F3D2000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2820-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2820-47-0x000000007114D000-0x0000000071158000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2820-74-0x000000007114D000-0x0000000071158000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2820-95-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download