Overview

overview

10

Static

static

5

9ca4427a91...b6.exe

windows7-x64

10

9ca4427a91...b6.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    130s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03/01/2024, 15:07

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General

  • Target

    9ca4427a910e9f15fc2a87757cd871b6.exe

  • Size

    512KB

  • MD5

    9ca4427a910e9f15fc2a87757cd871b6

  • SHA1

    e32d9df9ccb1ccdb5b8f345b880c46de84160c14

  • SHA256

    8d0ab5f2c2d326b874b9def3652767889e524e5c645c6c73848d4eb736441272

  • SHA512

    4560e5750edf7a883a0985af4a58d05f6e11d635ba5bc79686f98b77cfc52294db10e7b612f080c0183fa03680b74c37b338992496459360041831a3342b6a54

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6G:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5V

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 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 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\9ca4427a910e9f15fc2a87757cd871b6.exe
    "C:\Users\Admin\AppData\Local\Temp\9ca4427a910e9f15fc2a87757cd871b6.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:2156
    • C:\Windows\SysWOW64\zzfektkusf.exe
      zzfektkusf.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:2752
      • C:\Windows\SysWOW64\ncogecyb.exe
        C:\Windows\system32\ncogecyb.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:2548
    • C:\Windows\SysWOW64\vsnvkgvbyoiyxdx.exe
      vsnvkgvbyoiyxdx.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2936
    • 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:2624
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2608
      • C:\Windows\SysWOW64\tkztqpjnomzop.exe
        tkztqpjnomzop.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2924
      • C:\Windows\SysWOW64\ncogecyb.exe
        ncogecyb.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:2696

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads

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

            20KB

            MD5

            80f7adeacb9017ad12d96a5d9c5e2e6d

            SHA1

            a591e19ede854ceeb14536fbea4f6b7597860b47

            SHA256

            24c8804db73ba619c8c4224a4d201d1b2168e426236dbcc07974e9df6d33079a

            SHA512

            a11f09582b1cb53fb48513f604f2a87b0cf71df0ab011ed759431f3e416943ebda1ce4289184c3a2d1bd7430361ee90dbcb6bd2625ffb37fa7bb01ac0c9e3a9d

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          • C:\Users\Admin\Downloads\CloseTrace.doc.exe
            Filesize

            512KB

            MD5

            432488b293754d1c5453071e8129600e

            SHA1

            c081075bc71b1f633586d1626443785171da17c4

            SHA256

            10ff94c43ddc310b23f3c6f6c41f4f96013f41aa44b005bacb06fe2a6bf15733

            SHA512

            8dd5ebb3ef083339519411b81b57d7f0cfc64971809a2e815d67a72b3fdc417db24fc73ce2c5dafe605e3c8b99fadd6c1fb3cfa55e5a32e8ff4b1136fd3fb849

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          • C:\Users\Admin\Music\WaitConvertTo.doc.exe
            Filesize

            384KB

            MD5

            0e151ec3919b72f9a6c7fe60d10f4ea0

            SHA1

            91fb01badc6db9808233ff95abf39c37982a8c85

            SHA256

            f644299fe8f10c5f3e24c1943fc808270b5d4f853e2316abf091c8d18344193c

            SHA512

            41d25f82ce04a14c21d19a9ad2d12663714221b6ecb1c3ee579a4a134949de0bfb3e6212e9acf97d0659d50e7a034dcdc103ecbedd8a71fbfefdc30f5728c12b

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          • C:\Users\Admin\Music\WaitConvertTo.doc.exe
            Filesize

            386KB

            MD5

            d867a655ae492b330d5de03a1a554ca7

            SHA1

            ed3013d39ff6fe5e8431a2b229becd2e04926e61

            SHA256

            542bf8c10a61473225004305bf2a49d8ef5106f4ef0c62af504926db90c0edd1

            SHA512

            0b692aaa4d2d1d8b7ea6ac2e5b5b41884744a7bda3102634e5bb73b6a725caadada5f94b2759826e3dc354824055b183ecd35d47c0e9578082d3a05148f533dc

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

            512KB

            MD5

            fd13e27d1c9c49954d83b29f63da3e97

            SHA1

            663ad434ca147fcbb3895cea4ca83ec1cf2ae7c8

            SHA256

            0602b89bae14c6e30771132ae97511af4ac11f5afb20858e40c656f0c5a6f9ea

            SHA512

            e1295a5100e1f7d6eef13935cf25e0e6fa6f4ef6531bcc43fe1e8e7e8cccec921bac8cf3e9891d219e5ccc0b963358c3e2105bb6339251305c93087abfba4340

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

            512KB

            MD5

            fbde02fa51e869296050ba9d17553109

            SHA1

            a9e506cd377ac9f822256764e2a8d8d0c6e336a5

            SHA256

            fd8cffe9bbb3b47086523724cf280e94d14f29cac19182fd8f201837caae2ad6

            SHA512

            6bf4b0c1e33c717b3f915515922d96d14454660727bb74e6938492039b061c3323cbf0546c3a79ee0bfd0341e4cdb4c7bf1efba0008f726244944c13f1775e71

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          • \Windows\SysWOW64\ncogecyb.exe
            Filesize

            92KB

            MD5

            6662b185f19fbf697c56a25c92de7961

            SHA1

            0df0c0df0de3724258df2549c583e3c934aca726

            SHA256

            c11edb9e97848e20319fba876d9382c7193f68323eff1f7ed805bb04303bdc86

            SHA512

            c6e2cb83f68a63ca299dae843d2697d41dab8b565fb4005755b0d255b388779b6c1dad97375009c995f0a3d2e0acb4cc820090ca5dc24ee11e1a3de5b1a4921f

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          • \Windows\SysWOW64\zzfektkusf.exe
            Filesize

            512KB

            MD5

            4e5f0018bcfc9d31fb4d639393c88447

            SHA1

            3a7d6d0d3b7e683b93b59de025e78759587e8758

            SHA256

            cc3535281e6705af60a52d856549da677c54522f0a38521187fbd6786df7ee3d

            SHA512

            ad63534b74849edfe1326c83121491b26177629e24d678b8dcd87bff5c55d226c04eb38f900a65098dd01132851e1a3e53c384bd078839761583b333a12df776

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          • memory/2156-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB

            Download

          • memory/2624-47-0x000000007152D000-0x0000000071538000-memory.dmp

            Filesize

            44KB

            Download

          • memory/2624-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download

          • memory/2624-45-0x000000002F821000-0x000000002F822000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2624-81-0x000000007152D000-0x0000000071538000-memory.dmp

            Filesize

            44KB

            Download

          • memory/2624-102-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download