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Overview

overview

10

Static

static

5

e916525822...2c.exe

windows7-x64

10

e916525822...2c.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    09/01/2024, 18:20

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General

  • Target

    e91652582204e0b0ed5a985679370c2c.exe

  • Size

    512KB

  • MD5

    e91652582204e0b0ed5a985679370c2c

  • SHA1

    86b3bee0bf1a0d14aaca723f9593ccb1ce60979f

  • SHA256

    58e7e1de9ea84e8624aaae7dd4731ec68a6845376b77ad08c86998c42f74e07b

  • SHA512

    20c059e2d822d57b6d79da6ff5d1b5f884e745001a67d081a8111c0386f27894ae234e051b82e8377160e4762f74c360ddff145185f16074068afecb0baaac78

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6p:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5m

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 6 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\e91652582204e0b0ed5a985679370c2c.exe
    "C:\Users\Admin\AppData\Local\Temp\e91652582204e0b0ed5a985679370c2c.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:760
    • C:\Windows\SysWOW64\rlbaviywpx.exe
      rlbaviywpx.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:2724
      • C:\Windows\SysWOW64\sfnsfilo.exe
        C:\Windows\system32\sfnsfilo.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:2576
    • C:\Windows\SysWOW64\yklckeykxwquvbn.exe
      yklckeykxwquvbn.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2808
    • C:\Windows\SysWOW64\sfnsfilo.exe
      sfnsfilo.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:2140
    • C:\Windows\SysWOW64\xrfmchsttrbcz.exe
      xrfmchsttrbcz.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2848
    • 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:2620
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe
      Filesize

      512KB

      MD5

      b4e745e4bedfe6d97bc7bbbf16ce7e04

      SHA1

      021b0afb6021d34b8d39e06b0495277d2adf3516

      SHA256

      fb3eadabf5e1c37bb6166e3318b28d1651ad899e525bb6f52b8669333d71dd6e

      SHA512

      38da92aceefaf5cbfade698fd5241a922988602353c50ba2f2c02e1fc05827d11cb47b8853916ccac17ecc9f2e07733fe5b21b04ff7f2eb422c54f46ce9b07b4

      Download Submit

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

      20KB

      MD5

      23fa895a9575c879409fd6123ef176cf

      SHA1

      3e7d1f4d99b7219906733618a26c3a562750facf

      SHA256

      abd2a7fe278ad48a4fba93c99c5306b3e793331e882d3b0ab3d86626254c15e6

      SHA512

      0f0b51d89d0f04c7d9783a572978190b83240462c1b8abccf4dee67f8096f327367ee2daeddcdc095208acd93f779b08a221311a64e6af9e8f96815523d2b072

      Download Submit

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

      512KB

      MD5

      a7674a6618fc2553e746a12d037476cc

      SHA1

      e46733d9a96ca734c9e71db1250d8f7821d36d88

      SHA256

      8000b0b3506013901e86d2f33a82b6de5c49e16dbd3373fdaa58a79a3224626d

      SHA512

      7d7e1b0a6a7ff44072b787936f1eb888e98762a7b90ec5ca8312047d29c0fb6aa295755d775c7538034d9a6c08c2200249543f8a3c28d3089ac4a9ab8a1feb00

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\rlbaviywpx.exe
      Filesize

      512KB

      MD5

      26907e2319d9c84f7ea01624d1a5b782

      SHA1

      c26a1fecc9311e1e7d3045661ffd539a2bf9c186

      SHA256

      390c53a85bd0c069bf0f536d07b5a879502923fcdc97d7c18b2171e4d893e05f

      SHA512

      e3c45b561cd88f5cdd548c595a98d81510d314febbb42f06ee2358259625c99393b25c7456119e3aab5f043eb2939cb456a4fe1546de96ffd74cfab17f7374de

      Download Submit

    • \Windows\SysWOW64\sfnsfilo.exe
      Filesize

      512KB

      MD5

      f2bebdb434868b38e3f9f181f7c834a1

      SHA1

      39c737c5446218a26c995397643c847b951bb396

      SHA256

      cd0392f510cfad7ce5076b8a0396ece3cd57d0a06fcd0700cf1e7e6e4c67d4ee

      SHA512

      060aaa70afbf27f374d33b516aee137f8bc9d5ab972e35cda52fe3b0ec7e6a9b83a0721057f257a6667abd898e941484c6624bbe0dd79de07b212528238ed616

      Download Submit

    • \Windows\SysWOW64\xrfmchsttrbcz.exe
      Filesize

      512KB

      MD5

      244c6f2fba9a0d83817a5f3445331582

      SHA1

      143672805b5a097bf3f2e8bebbfc2c6de9e5e453

      SHA256

      0925466522a4a12eb3f7f7be9f8718d5214a880bcc6e0b2d9f84ee24d70d16d2

      SHA512

      129ae0a6bae726c0d271c1a891fab1457b49b8c1b526d52a9bb36b455946ea5a7859c479cb9a48f26e8643cda54c342ef1de4c71ba62acdc22c89f894866f95c

      Download Submit

    • memory/760-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2620-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2620-47-0x000000007114D000-0x0000000071158000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2620-45-0x000000002F871000-0x000000002F872000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2620-76-0x000000007114D000-0x0000000071158000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2620-97-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download