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Overview

overview

10

Static

static

5

1c74caeacf...32.exe

windows7-x64

10

1c74caeacf...32.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 21:05

Sharing

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General

  • Target

    1c74caeacf0bca43de75ba57e5f36032.exe

  • Size

    512KB

  • MD5

    1c74caeacf0bca43de75ba57e5f36032

  • SHA1

    85deaf42a1bf39f0c5d15c0988b89a42a3d37385

  • SHA256

    8c3f0a9bb8fc55f0edddd22d8983fb66f712ba9e43c89126b54e1d752c5d8c3f

  • SHA512

    b8fb038beacaa27a5ebb503491fdf299f094429e8284bd9c77bf337fd70297308181a30b9810661f2b07a8756f1ed7ec44f97a7a959f6edbbb414e46a2820300

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6R:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5k

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 18 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\1c74caeacf0bca43de75ba57e5f36032.exe
    "C:\Users\Admin\AppData\Local\Temp\1c74caeacf0bca43de75ba57e5f36032.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:2164
    • C:\Windows\SysWOW64\rmbasvpvfy.exe
      rmbasvpvfy.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:1796
      • C:\Windows\SysWOW64\bnbilmiz.exe
        C:\Windows\system32\bnbilmiz.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:2660
    • C:\Windows\SysWOW64\kkdkgfwfaaqnsbl.exe
      kkdkgfwfaaqnsbl.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2092
    • C:\Windows\SysWOW64\bnbilmiz.exe
      bnbilmiz.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:2128
    • C:\Windows\SysWOW64\lgetnwxnxcqtr.exe
      lgetnwxnxcqtr.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2788
    • 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:2724
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1360

    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

      b9b03d7da8e6a8b771423715d1ab2404

      SHA1

      8ee8fcc1825b5bc6e12dda6b5cec884248822d1b

      SHA256

      ed6580c76986fc54ce1fd5a20865202df6f765d0bc9e5409046197fd26374f9e

      SHA512

      933ad50caf776c1779830836cbd9d5ca3247f20edfc3a2e1353321795cc41166deb6f5d6667f84c69bc2ae832abfaf9dedf4bee233beb50ee4840a785bc75586

      Download Submit

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

      20KB

      MD5

      b1248667c881fac824b025323fba3d00

      SHA1

      80a4ff1d82eeb2e30f748ea2376d7a7f32e81e52

      SHA256

      dc1a7668cf766671190ba7c57e989b68c48732fd9e29d6fed6f80aac6ee3eb4e

      SHA512

      2881f8df6697bd6a005b88e81cd79c897df1fe44401dbb8afbd2028c2ed74f45e3e55c4437090ad49e13d64ecbc40dabe37c07295a997ae53a18c231d0fbb1ff

      Download Submit

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

      512KB

      MD5

      0172854ab2d6724e928394a6feea96e4

      SHA1

      c02c65b7d613933bc36ae7ea51601ca388ba62a5

      SHA256

      1c4965a90a3de3a9e269e58c131045641d624a432aff1f322058b18351f03ecf

      SHA512

      0ad710e8a25ec86c218bf5a2babda92c58cbdc05b66b373d01edb971d406f54e0433011eaf3da7f4833b9541f893c6a12673aaf2885fdbaba18b0698ac8f4375

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \??\c:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe
      Filesize

      512KB

      MD5

      cc92ef9581b1ca7099e26864d87162f2

      SHA1

      aa7c173e7dfaab617b8ecb88048de11bb3e38d6c

      SHA256

      f81ca7bdd6f0d24a36f239afec53c5e35dc6b6c99dc4cfd6bf802b30e91576e3

      SHA512

      602e3b3f854b475531b9e486df4436bc19795f7be7c595c403c9c32213a90ff050eb709b9508a7191acffdeebf09e13fa84b74b63be5b54bc57f9693bac78800

      Download Submit

    • \Windows\SysWOW64\bnbilmiz.exe
      Filesize

      512KB

      MD5

      53065bcce49ab03074f515952567c659

      SHA1

      edd3b089dfc3f35005b25d8abfcf9bbcec2acc41

      SHA256

      7d948f33a3a6692cb675414c2c269fe4f54ce6d17bc9c23577cec5d1e6d295d4

      SHA512

      b75d811027b5beed4d34ea8344e290cb31dbed4d23c22b8dda269ddee99fe6b4a966843b3d4cda0679313a650f6dec7b661ac34cca90d4d984f4e39e68babe01

      Download Submit

    • \Windows\SysWOW64\lgetnwxnxcqtr.exe
      Filesize

      512KB

      MD5

      5421135421b4bf6111a806e6b940e34f

      SHA1

      8a206d06af33b8dad93559006d5f955d6e063eaa

      SHA256

      609e8acca8b9d119ac6184ac8c6645c420e14a47fea693a61ddf2f70b1cbcd2f

      SHA512

      4da2d1c26374eb8e3b444a7162dfc00677940fe4508154c9edebac24f13ef28895771b01276c858d03a0419231e19d66226f15246d6d2db627fd99e3fa899580

      Download Submit

    • \Windows\SysWOW64\rmbasvpvfy.exe
      Filesize

      512KB

      MD5

      81ab4c93287b16363b65de01a230165f

      SHA1

      69a8db14f6d7eba224863537f0a961eea134eb18

      SHA256

      e584869863bdfb22bcd5ff1450e210df1e33426325ced4841fb237f184bebba9

      SHA512

      baa6f9f7fc2ffcd85334b5c92de2a033cefa5ab9ab07d7b5d0b6163bda7ea19df4af2fbc1eeb9262fec3138eb33ac746c4ee86b11e35a8d19b28452cb4dd6ef3

      Download Submit

    • memory/2164-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2724-50-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2724-51-0x000000007114D000-0x0000000071158000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2724-49-0x000000002F341000-0x000000002F342000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2724-82-0x000000007114D000-0x0000000071158000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2724-103-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download