Analysis

  • max time kernel
    206s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 18:56

General

  • Target

    b7b3878fafdf7ff9c3686863b83e7c4d1ead13135efceaf380c4c820038ed1f2.exe

  • Size

    101KB

  • MD5

    509952b4a55cfff00b0611fb9eccb917

  • SHA1

    b6b877c48a23e5903cf5591683732807d7c6c4d5

  • SHA256

    b7b3878fafdf7ff9c3686863b83e7c4d1ead13135efceaf380c4c820038ed1f2

  • SHA512

    2d16be1906c05a397243b6611e70dea372c089fabcfe0f937f0484b962aa7ff520ff6f109faab13b1fd020915681904e3ff84d650330abac0a612d6f18a36cb0

  • SSDEEP

    1536:Ju5EzWtzKZ6io05SBC/QLWpVnsRemraoWh7kKtEeRKvMIFAu5V+iDfz:JFfQ4/cW7mY/uAKXASIO

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7b3878fafdf7ff9c3686863b83e7c4d1ead13135efceaf380c4c820038ed1f2.exe
    "C:\Users\Admin\AppData\Local\Temp\b7b3878fafdf7ff9c3686863b83e7c4d1ead13135efceaf380c4c820038ed1f2.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:668
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1001 OSHO Quotes.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1001 OSHO Quotes.exe" ONCE
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1464
      • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
        "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\1001 Osho Quotes.docx"
        3⤵
        • Drops file in Windows directory
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        PID:1364

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1001 Osho Quotes.docx

    Filesize

    21KB

    MD5

    d9ff9263c4bbb9e8e829db38f3db8c9f

    SHA1

    a40412edafcc7219bc7a69380a105f5441e853b8

    SHA256

    a114618b9ed635ce3af61aa52e03b3226c2e4b662c13586f25443592020e69b3

    SHA512

    bb3abf95e1a0cfdbdef07e66aba32fd4b63b7165dba99d03fad8afae7adaeced84cf931f7f0cdef3af46f49a9275269ef6bdffb7d2b6fcf096caa46e2e6398cc

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1001 OSHO Quotes.exe

    Filesize

    101KB

    MD5

    509952b4a55cfff00b0611fb9eccb917

    SHA1

    b6b877c48a23e5903cf5591683732807d7c6c4d5

    SHA256

    b7b3878fafdf7ff9c3686863b83e7c4d1ead13135efceaf380c4c820038ed1f2

    SHA512

    2d16be1906c05a397243b6611e70dea372c089fabcfe0f937f0484b962aa7ff520ff6f109faab13b1fd020915681904e3ff84d650330abac0a612d6f18a36cb0

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1001 OSHO Quotes.exe

    Filesize

    101KB

    MD5

    509952b4a55cfff00b0611fb9eccb917

    SHA1

    b6b877c48a23e5903cf5591683732807d7c6c4d5

    SHA256

    b7b3878fafdf7ff9c3686863b83e7c4d1ead13135efceaf380c4c820038ed1f2

    SHA512

    2d16be1906c05a397243b6611e70dea372c089fabcfe0f937f0484b962aa7ff520ff6f109faab13b1fd020915681904e3ff84d650330abac0a612d6f18a36cb0

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1001 OSHO Quotes.exe

    Filesize

    101KB

    MD5

    509952b4a55cfff00b0611fb9eccb917

    SHA1

    b6b877c48a23e5903cf5591683732807d7c6c4d5

    SHA256

    b7b3878fafdf7ff9c3686863b83e7c4d1ead13135efceaf380c4c820038ed1f2

    SHA512

    2d16be1906c05a397243b6611e70dea372c089fabcfe0f937f0484b962aa7ff520ff6f109faab13b1fd020915681904e3ff84d650330abac0a612d6f18a36cb0

  • memory/668-54-0x0000000075831000-0x0000000075833000-memory.dmp

    Filesize

    8KB

  • memory/668-60-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1364-63-0x0000000070051000-0x0000000070054000-memory.dmp

    Filesize

    12KB

  • memory/1364-61-0x0000000000000000-mapping.dmp

  • memory/1364-64-0x000000006DAD1000-0x000000006DAD3000-memory.dmp

    Filesize

    8KB

  • memory/1364-65-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1364-68-0x000000006EABD000-0x000000006EAC8000-memory.dmp

    Filesize

    44KB

  • memory/1364-70-0x000000006EABD000-0x000000006EAC8000-memory.dmp

    Filesize

    44KB

  • memory/1364-71-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1364-72-0x000000006EABD000-0x000000006EAC8000-memory.dmp

    Filesize

    44KB

  • memory/1464-62-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB

  • memory/1464-56-0x0000000000000000-mapping.dmp

  • memory/1464-69-0x0000000074260000-0x000000007480B000-memory.dmp

    Filesize

    5.7MB