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Analysis

  • max time kernel
    153s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2022, 09:25

General

  • Target

    9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164.dll

  • Size

    29KB

  • MD5

    608b48cb9671b72721f262a16e4bd86c

  • SHA1

    a3989fcfe22f78e60367dc34140364d374bbb478

  • SHA256

    9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164

  • SHA512

    ff01b77565baa6cd0aa24d6a824726f3705256f66419af1447093199be891048002bf97ec1c48b254eb66ae165dfee0216cf429dcf9aca92dca5b4193a52629d

  • SSDEEP

    768:oPT0ZH76u/h3P58P/Kr7UYQhpNn2bAmjw:CT0V71R0khepN2s

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:964
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Windows\system32\yayaBSlI.dll,a
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        PID:1948

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\yayaBSlI.dll

    Filesize

    29KB

    MD5

    608b48cb9671b72721f262a16e4bd86c

    SHA1

    a3989fcfe22f78e60367dc34140364d374bbb478

    SHA256

    9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164

    SHA512

    ff01b77565baa6cd0aa24d6a824726f3705256f66419af1447093199be891048002bf97ec1c48b254eb66ae165dfee0216cf429dcf9aca92dca5b4193a52629d

  • \Windows\SysWOW64\yayaBSlI.dll

    Filesize

    29KB

    MD5

    608b48cb9671b72721f262a16e4bd86c

    SHA1

    a3989fcfe22f78e60367dc34140364d374bbb478

    SHA256

    9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164

    SHA512

    ff01b77565baa6cd0aa24d6a824726f3705256f66419af1447093199be891048002bf97ec1c48b254eb66ae165dfee0216cf429dcf9aca92dca5b4193a52629d

  • \Windows\SysWOW64\yayaBSlI.dll

    Filesize

    29KB

    MD5

    608b48cb9671b72721f262a16e4bd86c

    SHA1

    a3989fcfe22f78e60367dc34140364d374bbb478

    SHA256

    9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164

    SHA512

    ff01b77565baa6cd0aa24d6a824726f3705256f66419af1447093199be891048002bf97ec1c48b254eb66ae165dfee0216cf429dcf9aca92dca5b4193a52629d

  • \Windows\SysWOW64\yayaBSlI.dll

    Filesize

    29KB

    MD5

    608b48cb9671b72721f262a16e4bd86c

    SHA1

    a3989fcfe22f78e60367dc34140364d374bbb478

    SHA256

    9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164

    SHA512

    ff01b77565baa6cd0aa24d6a824726f3705256f66419af1447093199be891048002bf97ec1c48b254eb66ae165dfee0216cf429dcf9aca92dca5b4193a52629d

  • \Windows\SysWOW64\yayaBSlI.dll

    Filesize

    29KB

    MD5

    608b48cb9671b72721f262a16e4bd86c

    SHA1

    a3989fcfe22f78e60367dc34140364d374bbb478

    SHA256

    9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164

    SHA512

    ff01b77565baa6cd0aa24d6a824726f3705256f66419af1447093199be891048002bf97ec1c48b254eb66ae165dfee0216cf429dcf9aca92dca5b4193a52629d

  • \Windows\SysWOW64\yayaBSlI.dll

    Filesize

    29KB

    MD5

    608b48cb9671b72721f262a16e4bd86c

    SHA1

    a3989fcfe22f78e60367dc34140364d374bbb478

    SHA256

    9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164

    SHA512

    ff01b77565baa6cd0aa24d6a824726f3705256f66419af1447093199be891048002bf97ec1c48b254eb66ae165dfee0216cf429dcf9aca92dca5b4193a52629d

  • memory/964-64-0x0000000010000000-0x0000000010010000-memory.dmp

    Filesize

    64KB

  • memory/964-55-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

    Filesize

    8KB

  • memory/964-65-0x00000000001A0000-0x00000000001A4000-memory.dmp

    Filesize

    16KB

  • memory/964-66-0x00000000001D0000-0x00000000001D4000-memory.dmp

    Filesize

    16KB

  • memory/1948-68-0x00000000000F0000-0x00000000000F4000-memory.dmp

    Filesize

    16KB

  • memory/1948-67-0x0000000010000000-0x0000000010010000-memory.dmp

    Filesize

    64KB

  • memory/1948-69-0x0000000010000000-0x0000000010010000-memory.dmp

    Filesize

    64KB