Overview

overview

10

Static

static

5

38a2dc7819...37.exe

windows7-x64

10

38a2dc7819...37.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 19:39

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General

  • Target

    38a2dc78195df4e156b72471ebd19337.exe

  • Size

    512KB

  • MD5

    38a2dc78195df4e156b72471ebd19337

  • SHA1

    6c2df162ad502ee85d234584707463f284ff4097

  • SHA256

    4188edbf9808ff09f969413e1fca5b15774c9b28a09f4b21c94960ef2576b15b

  • SHA512

    d0681fc5acaf4d1d4e7b481b750bf94492d0b6adfb1004ee9abe62fe62d7661d5bbf999573d3c8c946ffc749649afb02c771d3e4229b46ac1a0c0a3222ad813f

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6B:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5w

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 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 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\38a2dc78195df4e156b72471ebd19337.exe
    "C:\Users\Admin\AppData\Local\Temp\38a2dc78195df4e156b72471ebd19337.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:3024
    • C:\Windows\SysWOW64\pmquxakovkash.exe
      pmquxakovkash.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2716
    • 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:2288
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2848
      • C:\Windows\SysWOW64\bspimfgu.exe
        bspimfgu.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:2596
      • C:\Windows\SysWOW64\mjznydqzwjohcig.exe
        mjznydqzwjohcig.exe
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2308
      • C:\Windows\SysWOW64\ntrbqumimg.exe
        ntrbqumimg.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:1508
    • C:\Windows\SysWOW64\bspimfgu.exe
      C:\Windows\system32\bspimfgu.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:2816

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

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

      20KB

      MD5

      ffeef7c86ec7e86ec608b6ed3d83f59c

      SHA1

      27d51b8deaa39be5beef204877a4c3e817bce848

      SHA256

      b9b9ec0cfc7e4e2b38df5ea6dab50c5161cdcfd32c5360ce3bd8ca467f8ca290

      SHA512

      5c89d17b53c586055143ec3649d1168d01cc3f8287cbf2e932436d97468212fdbf721030eecf66f407135f0ea2867060a714e0b0abfe2db890d96054e97a1498

      Download Submit

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

      386KB

      MD5

      d867a655ae492b330d5de03a1a554ca7

      SHA1

      ed3013d39ff6fe5e8431a2b229becd2e04926e61

      SHA256

      542bf8c10a61473225004305bf2a49d8ef5106f4ef0c62af504926db90c0edd1

      SHA512

      0b692aaa4d2d1d8b7ea6ac2e5b5b41884744a7bda3102634e5bb73b6a725caadada5f94b2759826e3dc354824055b183ecd35d47c0e9578082d3a05148f533dc

      Download Submit

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

      512KB

      MD5

      68b8d8e8bd3d292274938414e1bb1fa1

      SHA1

      5ef1c1a2f039c7b28cd5bbc124a47de436604159

      SHA256

      9a15b406d3726746efda1b0162f94348868e8582e64ceff319b60db9c571fb6c

      SHA512

      ab4dd62c412b6a20e2c0d30505aacbe2b87325c75cace49be5b5e0aff871ec4d42094d1d98e13f7d69c9c0d5cf5eac34eb244b265fbef5344d254cc73b731118

      Download Submit

    • \Windows\SysWOW64\mjznydqzwjohcig.exe
      Filesize

      93KB

      MD5

      257f28bd5bdc2b725434b7ab570814e7

      SHA1

      972446e0f8d210c5d6f42a57a921391a236d564d

      SHA256

      d80f45a5995ba038d69dbe87f7c12827ffa2b53e79beedb0bc6ee91c10a61688

      SHA512

      c27aa91c3c3605941a1a121021c840fc7886cf27d43e9d6b2c371888a276d9dfd39135600a4f933f62dfa3d46cb6e12de6e31b3f8b939676701ff37f8cc61575

      Download Submit

    • memory/2288-45-0x000000002FAF1000-0x000000002FAF2000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2288-47-0x00000000711BD000-0x00000000711C8000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2288-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2288-75-0x00000000711BD000-0x00000000711C8000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2288-96-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3024-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download