Overview

overview

10

Static

static

5

3d93d3286d...89.exe

windows7-x64

10

3d93d3286d...89.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    195s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 21:31

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General

  • Target

    3d93d3286dc09f2b25682cc346d01189.exe

  • Size

    512KB

  • MD5

    3d93d3286dc09f2b25682cc346d01189

  • SHA1

    1df0f828c1be290b2024f9ecb6dd3a1f50504dad

  • SHA256

    e423e3de4edc5a8d68f49dbe54df44a7c32d255ebdc23b775f9225b31e2ba93a

  • SHA512

    782edac286467c6b62012d35258e3041d11b40bb44c0eec0cef0813449275259416635aa75b573eca96d9696d434e7e03869b786d19df2acc614f174e14be008

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6/:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5U

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 46 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 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 8 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 33 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of FindShellTrayWindow 57 IoCs
  • Suspicious use of SendNotifyMessage 41 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 32 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\3d93d3286dc09f2b25682cc346d01189.exe
    "C:\Users\Admin\AppData\Local\Temp\3d93d3286dc09f2b25682cc346d01189.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:2764
    • C:\Windows\SysWOW64\pirhafrghh.exe
      pirhafrghh.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:2292
      • C:\Windows\SysWOW64\zkwevzmm.exe
        C:\Windows\system32\zkwevzmm.exe
        3⤵
        • Executes dropped EXE
        PID:2000
    • C:\Windows\SysWOW64\lxqkazeafiyedqt.exe
      lxqkazeafiyedqt.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:2144
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c bhnhepljekhhv.exe
        3⤵
          PID:1332
      • C:\Windows\SysWOW64\zkwevzmm.exe
        zkwevzmm.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:2920
      • C:\Windows\SysWOW64\bhnhepljekhhv.exe
        bhnhepljekhhv.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2956
      • 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:1816
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          3⤵
            PID:332
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1700

      Network

            MITRE ATT&CK Enterprise v15

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            Downloads

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

              512KB

              MD5

              6116ae7b3810063036e52ac2fe764e3f

              SHA1

              bf65f2814cb4bec95f32e012c57ad9295a33e202

              SHA256

              98af8b0cba102c342bec3bd8349091c3c1d5aaccfe5866f4add14bd2e2fa3ad1

              SHA512

              219ae04127953aed556c05bc01ddd7d0d04dd345fe9e515631f925a27e925a0a8a66aba066afa1383fca24ca2fd78047276a7224c67cd809dce19542a3c1abb9

              Download Submit

            • C:\Windows\mydoc.rtf
              Filesize

              223B

              MD5

              06604e5941c126e2e7be02c5cd9f62ec

              SHA1

              4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

              SHA256

              85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

              SHA512

              803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

              Download Submit

            • \Windows\SysWOW64\bhnhepljekhhv.exe
              Filesize

              512KB

              MD5

              6a902ae591f870c509fbb32807522064

              SHA1

              7931692d1ad174044c184e441b1aa10de799fc9b

              SHA256

              44923185efaefeaf8ea411551fa4207b5c048fcf3ab6d321337fddbf1b2d58be

              SHA512

              caa05461e70894ff8ac9bb5cb7463beeda72e3d891b3600fa7d7eea4a263cbe170b9a3bf53d5655d7bd4a3e33dc2313eb388c1a7f43311d6ffab8ae454307397

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            • \Windows\SysWOW64\pirhafrghh.exe
              Filesize

              512KB

              MD5

              3777dd80da0d683e514c9b60f388130d

              SHA1

              3345ffd4659f5991f9586309d1b0fb9c9c316412

              SHA256

              3a09691af0eb836042e76ccf5c57f75e3e898ad9c214057bbc1d138c5518425d

              SHA512

              7d4f6a1233b74a0f19474cf7aedbfe549b084769530498eb3b5edbc22eb1a985ceaf5d2f4f40fdc770d31c8efca5753bce5c07c7d5d6e66b32b2a06ebd307498

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            • \Windows\SysWOW64\zkwevzmm.exe
              Filesize

              512KB

              MD5

              b1570a5d83c32d3a5ecdfcf473892b25

              SHA1

              bc90f4e022a66a80ee1fe435407e3e073c70eda1

              SHA256

              9663ceb80ffe52f7445c3672e09dc7a94fb811878be268756c20d28080cedefd

              SHA512

              263394744027ac89f8352beef513edf1dc7b754f7ce3e45c6bb12071a355037e4fa25ca2de162f55a5af82067f293aa920ad1e2b45bd232d1deb9867ac93f3d5

              Download Submit

            • memory/1700-45-0x0000000003AE0000-0x0000000003AE1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1700-64-0x0000000003AE0000-0x0000000003AE1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1700-101-0x0000000003760000-0x0000000003770000-memory.dmp

              Filesize

              64KB

              Download

            • memory/1816-46-0x000000002F9B1000-0x000000002F9B2000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1816-47-0x000000005FFF0000-0x0000000060000000-memory.dmp

              Filesize

              64KB

              Download

            • memory/1816-48-0x000000007182D000-0x0000000071838000-memory.dmp

              Filesize

              44KB

              Download

            • memory/1816-66-0x000000007182D000-0x0000000071838000-memory.dmp

              Filesize

              44KB

              Download

            • memory/2764-0-0x0000000000400000-0x0000000000496000-memory.dmp

              Filesize

              600KB

              Download