Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 12:23

General

  • Target

    16f5f535c4d2d36a08a547250ca14b8af09017e8e6af6aa2ce609948ed2db70b.dll

  • Size

    135KB

  • MD5

    21e724350d0d43851cd5c880e1d3df20

  • SHA1

    0aaffa5a214933971f9ca46a4d621fd6ae6dcb6f

  • SHA256

    16f5f535c4d2d36a08a547250ca14b8af09017e8e6af6aa2ce609948ed2db70b

  • SHA512

    1584e3d80ee2055218a10837af752c652f56a6a63398b13c5238a0a4c88b881c4644bfed7b54b7c00e49c18262e37c0e2d58c4f73e65184eb182d04f15ab65f1

  • SSDEEP

    3072:mcVJPJGphiNDKm2qqIkQYAkclKg8Tlf+zsdQ1bMur+LNp:mcVJPJNYQYncl38Td+4dQ15rG

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\16f5f535c4d2d36a08a547250ca14b8af09017e8e6af6aa2ce609948ed2db70b.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\16f5f535c4d2d36a08a547250ca14b8af09017e8e6af6aa2ce609948ed2db70b.dll
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:944
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:900
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 900 -s 180
          4⤵
          • Program crash
          PID:544

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\regsvr32mgr.exe

    Filesize

    106KB

    MD5

    fe36fb1073e6f8fa14d7250501a29aaf

    SHA1

    6c7e01278362797dabcff3e666b68227cb9af10f

    SHA256

    f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

    SHA512

    8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

  • \Users\Admin\AppData\Local\Temp\~TMA6D.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TMB0A.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • \Windows\SysWOW64\regsvr32mgr.exe

    Filesize

    106KB

    MD5

    fe36fb1073e6f8fa14d7250501a29aaf

    SHA1

    6c7e01278362797dabcff3e666b68227cb9af10f

    SHA256

    f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

    SHA512

    8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

  • \Windows\SysWOW64\regsvr32mgr.exe

    Filesize

    106KB

    MD5

    fe36fb1073e6f8fa14d7250501a29aaf

    SHA1

    6c7e01278362797dabcff3e666b68227cb9af10f

    SHA256

    f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

    SHA512

    8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

  • memory/900-64-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/900-65-0x0000000000250000-0x000000000027A000-memory.dmp

    Filesize

    168KB

  • memory/900-66-0x0000000077C50000-0x0000000077DD0000-memory.dmp

    Filesize

    1.5MB

  • memory/944-56-0x00000000766D1000-0x00000000766D3000-memory.dmp

    Filesize

    8KB

  • memory/2032-54-0x000007FEFC2F1000-0x000007FEFC2F3000-memory.dmp

    Filesize

    8KB