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Overview

overview

10

Static

static

5

a18506b622...8b.exe

windows7-x64

10

a18506b622...8b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2024, 19:09

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General

  • Target

    a18506b622dbef775f88d8a8d3446d8b.exe

  • Size

    512KB

  • MD5

    a18506b622dbef775f88d8a8d3446d8b

  • SHA1

    86bd3d2ebfc928f2fb053c3a9e4765176f9b3a8c

  • SHA256

    c1a0690dfbdfa9a48eaa977809e214981c5bcbbf89ba85f2092cecf0e898f78e

  • SHA512

    3e4f2e25c7780052d527fc285b31ce759b04a4f078a7ff4e4f2c2af6d50af05bb1f0d4e48995b15e30656a5a64ecc58bd56bfe31a6cef78ff70e926dd960f835

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6A:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm51

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 6 IoCs
  • Loads dropped DLL 6 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 8 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 21 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a18506b622dbef775f88d8a8d3446d8b.exe
    "C:\Users\Admin\AppData\Local\Temp\a18506b622dbef775f88d8a8d3446d8b.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:2256
    • 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:2608
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1524
      • C:\Windows\SysWOW64\kbmhhlbbqwydx.exe
        kbmhhlbbqwydx.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2728
      • C:\Windows\SysWOW64\eixlwgsp.exe
        eixlwgsp.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:2744
      • C:\Windows\SysWOW64\gjmakelomawfxxz.exe
        gjmakelomawfxxz.exe
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2332
      • C:\Windows\SysWOW64\efdsrbqrvk.exe
        efdsrbqrvk.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:2164
    • C:\Windows\SysWOW64\eixlwgsp.exe
      C:\Windows\system32\eixlwgsp.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:2620
    • C:\Windows\SysWOW64\kbmhhlbbqwydx.exe
      kbmhhlbbqwydx.exe
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2900
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c kbmhhlbbqwydx.exe
      1⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2720

    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

      cf0a37bbce4a1beed9e7f34171b9f731

      SHA1

      945422f1013d704f1e10172f7949dd716e449699

      SHA256

      48242553c443e077f2879dff12629c067f25e396dee60390c381e1c56fb1d264

      SHA512

      eb8c0d4760b7b61d8a10baf84f89c03e980db830a0092a7024ff3b0660f192a0a010353ae831c460e3a0eadb53f6e7a5a2704a34cb6a7322038b526c528e8e01

      Download Submit

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

      512KB

      MD5

      738f85bb605683bd123209ebceea1a51

      SHA1

      89645fbe8447e4a2a19106e0cebc87d77453b2ed

      SHA256

      705aca4f8218e10b8793d5e2461acbe10531f0e97faf027889f6b4a21937ba5b

      SHA512

      406c2356e96e4df828d2e6b8abe8292df8f9ef2adaedef9361793d81f1486d2cab48577133ee78fdae43dc95aa6706ccf2f13b1e07df1bbb054538779a304fea

      Download Submit

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

      20KB

      MD5

      6d0fda498b0e105cf47f3096de25754d

      SHA1

      fdd413d601ae9591c8731cda4f2234db5ee5ea31

      SHA256

      bf24382eb00eb8847cfcdd3f8ad2a377fc6e7a61063af081959b19ed0e410582

      SHA512

      226a7eac5515bcb586f4276102039d6fab8cfb2f733c646e2e596249d48cab5ea3f9f8d0918d320eb113ba392a7269662ef6d95cdd3b67a1dd876b2fb438962d

      Download Submit

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

      512KB

      MD5

      f0c26efaca069b6cf81d1151bec7d2e7

      SHA1

      b338da14c676644ccb643e719f5ec280ce60ba25

      SHA256

      c5f030183d9957d25545ff6823cbe67c4793ebb139f9d3f9a5b83d635beefeac

      SHA512

      fcbc23fece41de487277f3c0503807a1eb7be77daab5e9934b322581a82c05bf739c1bd602facf80c98f6dbc4af0118078bdf68423206561793866ae35239ac8

      Download Submit

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

      92KB

      MD5

      59ebf1358a9b829f5709baaedeeee6fa

      SHA1

      1409fd65da1b814db0a08feae54366dfca196f1c

      SHA256

      d251f3126813d9f42461b0d23153c37c405979347a47fb0f04e0503beaf31a06

      SHA512

      a2d71b94a087aa6d376f4f065d9f7ff987fd50ea93949372fa9ef5b6692b45cef7ae267c88376b9d2953e4476496f67af1173e9f0f8ba81101dc94c6872cf417

      Download Submit

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

      512KB

      MD5

      dcad18163042b6bf14d80b8a1a391ba8

      SHA1

      b5d37e69627312c93517eb1de36e86d020979655

      SHA256

      9ebc7b28994a40d3d9576f09edca7f96d3f2eec6123077a29893ffd54d76d284

      SHA512

      fb4b6a837e92e64240e2d8cfc255f2cf62721edb67033e8f435f6207cba6aaa34f1bcde6a32550803afd936bfd6be8c7f687e26e9922791313f9e2ff329a750e

      Download Submit

    • \Windows\SysWOW64\eixlwgsp.exe
      Filesize

      381KB

      MD5

      30aec9e0b33fbd99234328357879f812

      SHA1

      3c9d37139d4ccfe2b694afba9633170d0f510a92

      SHA256

      15aad0daaaeea2f1eb8d19a8999f42844b2885d6bef949f6787feba7dad46563

      SHA512

      2060f2cc8c90181dd0a9965f0ff3a94aece08c82c4a68454846f66778bc60dade3ba5ddc38be57311ff4a7bd78217b89a9cd09837eee4b5d9893277299dad415

      Download Submit

    • memory/2256-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2608-49-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2608-50-0x0000000070D4D000-0x0000000070D58000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2608-82-0x0000000070D4D000-0x0000000070D58000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2608-103-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2608-48-0x000000002F351000-0x000000002F352000-memory.dmp

      Filesize

      4KB

      Download