Analysis

  • max time kernel
    44s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2022 00:59

General

  • Target

    14a6cd64a40a3a877d30c30ecd353e2690e023e523531a2984afa5c4ba45e692.exe

  • Size

    64KB

  • MD5

    b02dc31bbc2e60de0a86a86eff0ff446

  • SHA1

    be2ac8bd8bccc8070c428d3c1513900dfcf99921

  • SHA256

    14a6cd64a40a3a877d30c30ecd353e2690e023e523531a2984afa5c4ba45e692

  • SHA512

    e0b156a37014166d4fc41c8f46fdc936b7c3a4be967da7ee4814311196a14ee3b3949f2d5395e09b024e5e5419cb4962c7472fbe8be79639ffe2171cfbcfe9e8

  • SSDEEP

    1536:V3cpyORJLuB4P4AJJv4Romu/J/xKzi+5uhOIvd:V3c1fP4AJJv45mKO+Upvd

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 9 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 9 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\14a6cd64a40a3a877d30c30ecd353e2690e023e523531a2984afa5c4ba45e692.exe
    "C:\Users\Admin\AppData\Local\Temp\14a6cd64a40a3a877d30c30ecd353e2690e023e523531a2984afa5c4ba45e692.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Windows\SysWOW64\attrib.exe
      "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\bin1\Internet Explorar" +s
      2⤵
      • Drops file in Program Files directory
      • Views/modifies file attributes
      PID:1068
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\temp_c.bat" "
      2⤵
      • Deletes itself
      PID:632

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\temp_c.bat

    Filesize

    250B

    MD5

    1b13b8fd4503000e8e317436a62c48dc

    SHA1

    4cd2bf3d993d16e1ead93041c947535b803f38de

    SHA256

    7f84ed07134fcd8fbdd76f5dfd7e47852d16f4df779997fe1e38390c79bd7107

    SHA512

    16c0b1df8003f47658ee4a83d3ef8c9f34e4999aee946e07f8ecbe470b9236eeb88f32ae04763336a14a9854f45513e9cccbf5412862cb60d2ba9b9cd8eb2e9f

  • \Users\Admin\AppData\Local\Temp\nso2224.tmp\AccessControl.dll

    Filesize

    10KB

    MD5

    055f4f9260e07fc83f71877cbb7f4fad

    SHA1

    a245131af1a182de99bd74af9ff1fab17977a72f

    SHA256

    4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

    SHA512

    a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

  • \Users\Admin\AppData\Local\Temp\nso2224.tmp\AccessControl.dll

    Filesize

    10KB

    MD5

    055f4f9260e07fc83f71877cbb7f4fad

    SHA1

    a245131af1a182de99bd74af9ff1fab17977a72f

    SHA256

    4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

    SHA512

    a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

  • \Users\Admin\AppData\Local\Temp\nso2224.tmp\AccessControl.dll

    Filesize

    10KB

    MD5

    055f4f9260e07fc83f71877cbb7f4fad

    SHA1

    a245131af1a182de99bd74af9ff1fab17977a72f

    SHA256

    4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

    SHA512

    a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

  • \Users\Admin\AppData\Local\Temp\nso2224.tmp\AccessControl.dll

    Filesize

    10KB

    MD5

    055f4f9260e07fc83f71877cbb7f4fad

    SHA1

    a245131af1a182de99bd74af9ff1fab17977a72f

    SHA256

    4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

    SHA512

    a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

  • \Users\Admin\AppData\Local\Temp\nso2224.tmp\AccessControl.dll

    Filesize

    10KB

    MD5

    055f4f9260e07fc83f71877cbb7f4fad

    SHA1

    a245131af1a182de99bd74af9ff1fab17977a72f

    SHA256

    4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

    SHA512

    a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

  • \Users\Admin\AppData\Local\Temp\nso2224.tmp\AccessControl.dll

    Filesize

    10KB

    MD5

    055f4f9260e07fc83f71877cbb7f4fad

    SHA1

    a245131af1a182de99bd74af9ff1fab17977a72f

    SHA256

    4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

    SHA512

    a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

  • \Users\Admin\AppData\Local\Temp\nso2224.tmp\AccessControl.dll

    Filesize

    10KB

    MD5

    055f4f9260e07fc83f71877cbb7f4fad

    SHA1

    a245131af1a182de99bd74af9ff1fab17977a72f

    SHA256

    4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

    SHA512

    a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

  • \Users\Admin\AppData\Local\Temp\nso2224.tmp\AccessControl.dll

    Filesize

    10KB

    MD5

    055f4f9260e07fc83f71877cbb7f4fad

    SHA1

    a245131af1a182de99bd74af9ff1fab17977a72f

    SHA256

    4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

    SHA512

    a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

  • \Users\Admin\AppData\Local\Temp\nso2224.tmp\System.dll

    Filesize

    11KB

    MD5

    00a0194c20ee912257df53bfe258ee4a

    SHA1

    d7b4e319bc5119024690dc8230b9cc919b1b86b2

    SHA256

    dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

    SHA512

    3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

  • memory/632-66-0x0000000000000000-mapping.dmp

  • memory/1068-55-0x0000000000000000-mapping.dmp

  • memory/1816-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

    Filesize

    8KB