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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/08/2023, 13:52

General

  • Target

    690e1df343c0117149eb40516b54fa7979725907a780b9824a6473798487a82c.exe

  • Size

    3.1MB

  • MD5

    85b0de573b4d6c6cbac0a4f99b71869d

  • SHA1

    d41dd09ca60a2aac44ab3df51b28e762624a8d9d

  • SHA256

    690e1df343c0117149eb40516b54fa7979725907a780b9824a6473798487a82c

  • SHA512

    6dd3e6e1cd09f4804684f76ed332983b920ce0a0933973e77177383c0abfd7e694305652524665bbea3bc3c9bfd3e9ae9da4db0461f8bbc3cdf088d362e88da1

  • SSDEEP

    49152:QYFxyqqnfc8ND3CTmM3ZuETn5/mk32S2fSahSZISUw0zr:/FIqqnfcaWiA5/mpxDYZ3E

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\690e1df343c0117149eb40516b54fa7979725907a780b9824a6473798487a82c.exe
    "C:\Users\Admin\AppData\Local\Temp\690e1df343c0117149eb40516b54fa7979725907a780b9824a6473798487a82c.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\twunk_32.exe
      \twunk_32.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3696
      • C:\Program Files\Common Files\Microsoft Shared\MSINFO\svchost.exe
        "C:\Program Files\Common Files\Microsoft Shared\MSINFO\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4300
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\svchost.bat""
        3⤵
          PID:1516
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 700
        2⤵
        • Program crash
        PID:1868
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2232 -ip 2232
      1⤵
        PID:1992

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\Common Files\Microsoft Shared\MSINFO\svchost.bat

        Filesize

        80B

        MD5

        b1c79209ce56278cd95bdd1bbbd81e90

        SHA1

        58a381216782c57611f235eeb1e3d1a8d53527a8

        SHA256

        99baf2e12084ff09a2193c1d9f0af7d0ebc181c0e9246db381d95824768d1654

        SHA512

        f9eae36ac424602ac2878fd41e9af79fecce77391d2f6730360bf7882acfb2531630f874596a6df2cf939bb361c0e500951c6bbe837d78db7f07b0fd9e62cfae

      • C:\Program Files\Common Files\Microsoft Shared\MSINFO\svchost.exe

        Filesize

        972KB

        MD5

        037356955530f01591cbf09296cf3117

        SHA1

        f3bf6c7e20de2d699f80f0f9662e8fa1ad555ab2

        SHA256

        02d0e961194b1b76631d160b43f2c10ffd1f68729afe6b87c723806bf4f38784

        SHA512

        48ac29d8e1d6162aa23bb9f54590f5097cf498e3c87ab0879790a40399b3534c383197b11dd5f1d4b3c3e26e5606eb29839dce32117002d8bc5e0b703bdbf52d

      • C:\Program Files\Common Files\microsoft shared\MSInfo\svchost.exe

        Filesize

        972KB

        MD5

        037356955530f01591cbf09296cf3117

        SHA1

        f3bf6c7e20de2d699f80f0f9662e8fa1ad555ab2

        SHA256

        02d0e961194b1b76631d160b43f2c10ffd1f68729afe6b87c723806bf4f38784

        SHA512

        48ac29d8e1d6162aa23bb9f54590f5097cf498e3c87ab0879790a40399b3534c383197b11dd5f1d4b3c3e26e5606eb29839dce32117002d8bc5e0b703bdbf52d

      • C:\Program Files\Common Files\microsoft shared\MSInfo\svchost.exe

        Filesize

        972KB

        MD5

        037356955530f01591cbf09296cf3117

        SHA1

        f3bf6c7e20de2d699f80f0f9662e8fa1ad555ab2

        SHA256

        02d0e961194b1b76631d160b43f2c10ffd1f68729afe6b87c723806bf4f38784

        SHA512

        48ac29d8e1d6162aa23bb9f54590f5097cf498e3c87ab0879790a40399b3534c383197b11dd5f1d4b3c3e26e5606eb29839dce32117002d8bc5e0b703bdbf52d

      • C:\twunk_32.exe

        Filesize

        972KB

        MD5

        037356955530f01591cbf09296cf3117

        SHA1

        f3bf6c7e20de2d699f80f0f9662e8fa1ad555ab2

        SHA256

        02d0e961194b1b76631d160b43f2c10ffd1f68729afe6b87c723806bf4f38784

        SHA512

        48ac29d8e1d6162aa23bb9f54590f5097cf498e3c87ab0879790a40399b3534c383197b11dd5f1d4b3c3e26e5606eb29839dce32117002d8bc5e0b703bdbf52d

      • C:\twunk_32.exe

        Filesize

        972KB

        MD5

        037356955530f01591cbf09296cf3117

        SHA1

        f3bf6c7e20de2d699f80f0f9662e8fa1ad555ab2

        SHA256

        02d0e961194b1b76631d160b43f2c10ffd1f68729afe6b87c723806bf4f38784

        SHA512

        48ac29d8e1d6162aa23bb9f54590f5097cf498e3c87ab0879790a40399b3534c383197b11dd5f1d4b3c3e26e5606eb29839dce32117002d8bc5e0b703bdbf52d

      • memory/3696-5-0x0000000000830000-0x0000000000831000-memory.dmp

        Filesize

        4KB

      • memory/3696-14-0x0000000000400000-0x0000000000503000-memory.dmp

        Filesize

        1.0MB

      • memory/4300-11-0x0000000002390000-0x0000000002391000-memory.dmp

        Filesize

        4KB

      • memory/4300-17-0x0000000000400000-0x0000000000503000-memory.dmp

        Filesize

        1.0MB

      • memory/4300-18-0x0000000002390000-0x0000000002391000-memory.dmp

        Filesize

        4KB

      • memory/4300-24-0x0000000000400000-0x0000000000503000-memory.dmp

        Filesize

        1.0MB

      • memory/4300-30-0x0000000000400000-0x0000000000503000-memory.dmp

        Filesize

        1.0MB