Analysis

  • max time kernel
    142s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20230824-en
  • resource tags

    arch:x64arch:x86image:win7-20230824-enlocale:en-usos:windows7-x64system
  • submitted
    30-08-2023 02:02

General

  • Target

    dfd44c4d49422b6e842fa3d4ccd16129bd720bc25a6b8bd2f2b3049edee6e5ff.exe

  • Size

    198KB

  • MD5

    b094c8c815592aa694225cddc2e7aa24

  • SHA1

    5885a2311f17400e1dda6f91a864a49e8794ccb8

  • SHA256

    dfd44c4d49422b6e842fa3d4ccd16129bd720bc25a6b8bd2f2b3049edee6e5ff

  • SHA512

    f956ee9cda79dadf1f3755399395a44cefb69a08000c8875ffc2323cffa4cf64c252573ab6d6a271416bff70a6869ef13b1d3694a6bb529a097030337a9f2bca

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOg:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXZ

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dfd44c4d49422b6e842fa3d4ccd16129bd720bc25a6b8bd2f2b3049edee6e5ff.exe
    "C:\Users\Admin\AppData\Local\Temp\dfd44c4d49422b6e842fa3d4ccd16129bd720bc25a6b8bd2f2b3049edee6e5ff.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\DFD44C~1.EXE > nul
      2⤵
      • Deletes itself
      PID:1496
  • C:\Windows\Debug\jaohost.exe
    C:\Windows\Debug\jaohost.exe
    1⤵
    • Executes dropped EXE
    PID:1728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Debug\jaohost.exe

    Filesize

    198KB

    MD5

    a0564775745cc1e4f3e4a10edfd05edd

    SHA1

    ad04c601094fa174fe46c2c5252015c7d78fea1b

    SHA256

    0a61360fd822d965c0692dc9f07690144e2052b37db2cd90c43a6c5a87aee98d

    SHA512

    0cdce2f312847593fde4ff2b5f1c99879d3af203bac9b0c7065f7c38efa04a1fae6c6385ba72cdb990318a531c8aafddbe9f96c59384a5e7321723accbd32f92

  • C:\Windows\debug\jaohost.exe

    Filesize

    198KB

    MD5

    a0564775745cc1e4f3e4a10edfd05edd

    SHA1

    ad04c601094fa174fe46c2c5252015c7d78fea1b

    SHA256

    0a61360fd822d965c0692dc9f07690144e2052b37db2cd90c43a6c5a87aee98d

    SHA512

    0cdce2f312847593fde4ff2b5f1c99879d3af203bac9b0c7065f7c38efa04a1fae6c6385ba72cdb990318a531c8aafddbe9f96c59384a5e7321723accbd32f92