Overview

overview

10

Static

static

5

6b52bf7a3d...99.exe

windows7-x64

10

6b52bf7a3d...99.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    18s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 11:37

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General

  • Target

    6b52bf7a3dcdbb25ef1350533cc38c99.exe

  • Size

    512KB

  • MD5

    6b52bf7a3dcdbb25ef1350533cc38c99

  • SHA1

    05c3de6647c07ef110967fd73ce10c7c9f8ee0f4

  • SHA256

    2ccf676d92072837ba1e379c431eeebd39689b2db592b4cc409e430eaf22dec5

  • SHA512

    3121d52d14913c550bc687bc365c90aa0b7e52e0b8e72184c2b4aa114f7bf730034ed4d75167b28cd4409297685f1620de24432853e6518ff503295affdb8dd1

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj69:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5I

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
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • 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 21 IoCs
  • Drops file in Windows directory 4 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 AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 46 IoCs
  • Suspicious use of SendNotifyMessage 34 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b52bf7a3dcdbb25ef1350533cc38c99.exe
    "C:\Users\Admin\AppData\Local\Temp\6b52bf7a3dcdbb25ef1350533cc38c99.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:2488
    • C:\Windows\SysWOW64\qxnzjviluy.exe
      qxnzjviluy.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:2780
      • C:\Windows\SysWOW64\mbqpglcn.exe
        C:\Windows\system32\mbqpglcn.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2764
    • C:\Windows\SysWOW64\nusuxzhxcqkuccz.exe
      nusuxzhxcqkuccz.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2820
    • C:\Windows\SysWOW64\mbqpglcn.exe
      mbqpglcn.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:2716
    • C:\Windows\SysWOW64\afhqomxhcuhlo.exe
      afhqomxhcuhlo.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2856
    • 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:2656
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1756
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1572

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads

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

            512KB

            MD5

            b00c4b3d93ecd9d913da8458ce1a0548

            SHA1

            afe49746ae3532949d6cdd89c70af95a959735d0

            SHA256

            5f1738eb37f18a9db05a1e9dd2a275aeb3996d13275f0384367bbfea81f421f1

            SHA512

            0f9126b0efe29e4d9dfea1868571458cd7f64440c7815647cd5f77c3eb767bc165cbf2409f7ab1fdc6973d4dc7670e2650a8c4ea7b4f407f880367260d471650

            Download Submit

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

            512KB

            MD5

            eb48a0d5d516b540dd4e3e183679de97

            SHA1

            49ab0ce577a0e5059b70b33c9dbaec1c597b7885

            SHA256

            cfaa60405f8ec9d80caaf0058c8f55230aa8e81e7817c57930dabb3ae12e0737

            SHA512

            6b325151e1f88862fa24f3be2d677d09eb15fe1b24b0061dbcd6caf4818e166d58e15fe31350eded066720fb5d4cf0ee5d90bfa8dfe7f072cbe09cc69eac4b25

            Download Submit

          • C:\Windows\mydoc.rtf
            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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          • \Windows\SysWOW64\afhqomxhcuhlo.exe
            Filesize

            512KB

            MD5

            df6ec3dd6ddc778899b8e5f311f8175c

            SHA1

            26c8c24f452cdc22eab488481b2f5b3770367bef

            SHA256

            3c3962c9380c80a460bbc4ec99e231e2056a3f86f391d245eb05b768956a0ad5

            SHA512

            150cccb86d4285398a3bac80bf059aab450fb4c954cc18e7ff5d21fcbcb48f93c992eb6172273d6ee54731cf8bceecb68bba7442123d0221c7b7f6d11978232a

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          • \Windows\SysWOW64\mbqpglcn.exe
            Filesize

            512KB

            MD5

            f452c1117efaa9cca990d9f5b0d40b70

            SHA1

            12e58e640fa35987f05b62cea98a18fbcf5109d6

            SHA256

            980772826c45fdbfe14ed825e89bcc660592a9c41cd3dd83a11871f426aff9e1

            SHA512

            3b024d86c3bb4bbb74ddedb3898725d6c9bd56a4f2de01b99587a64274179f703d4efe837a4e96317ef9e80e5a25a1f615f42ddd8b5f51c6d2e385e8abfbf014

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          • \Windows\SysWOW64\qxnzjviluy.exe
            Filesize

            512KB

            MD5

            5738e0bdb88d7717f7d5d50303834b61

            SHA1

            9e657182378cc2ddc6f294ec0b306f857da5e4dd

            SHA256

            1bd86aa9ecf435f51aa0bb787f967a4a71902bcc1077c9fbbce0158647239d0f

            SHA512

            18a6f8fe80025ae72df91ea863285726c014c7db29564ae30c59d7e761757544743d1995cf403f03ac84fae8c5eac26d70efb6d650484dceb5c3ef9b2fc9d20a

            Download Submit

          • memory/1572-84-0x0000000004260000-0x0000000004261000-memory.dmp

            Filesize

            4KB

            Download

          • memory/1572-87-0x0000000004260000-0x0000000004261000-memory.dmp

            Filesize

            4KB

            Download

          • memory/1572-92-0x00000000030D0000-0x00000000030E0000-memory.dmp

            Filesize

            64KB

            Download

          • memory/2488-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB

            Download

          • memory/2656-45-0x000000002F091000-0x000000002F092000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2656-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download

          • memory/2656-47-0x00000000712FD000-0x0000000071308000-memory.dmp

            Filesize

            44KB

            Download

          • memory/2656-85-0x00000000712FD000-0x0000000071308000-memory.dmp

            Filesize

            44KB

            Download