Analysis

  • max time kernel
    151s
  • max time network
    164s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 11:00

General

  • Target

    b5cc55e50a3e2f9ab5bd9a74285be645fb463842c4c5c9c4843e6f314b9b1ed9.exe

  • Size

    7.5MB

  • MD5

    6f34f4960831a63db667d0fd0bd15a5f

  • SHA1

    36fc7d1c610d4929d590a3d925c7c503dce1cf9d

  • SHA256

    b5cc55e50a3e2f9ab5bd9a74285be645fb463842c4c5c9c4843e6f314b9b1ed9

  • SHA512

    fb517e5b7485b592bf98ab0e980ea090960d6aff63a7edf95cacc8e957d39ccf57b3d1775d89d03a231533828d64bf8d78f87c01b061121193b02b94fff0abe2

  • SSDEEP

    196608:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxQnKnqVtxQu9OryfEQncryfEQuN82nN6WQ:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxK

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • ACProtect 1.3x - 1.4x DLL software 11 IoCs

    Detects file using ACProtect software.

  • Drops file in Drivers directory 4 IoCs
  • Sets service image path in registry 2 TTPs 3 IoCs
  • UPX packed file 24 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 12 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5cc55e50a3e2f9ab5bd9a74285be645fb463842c4c5c9c4843e6f314b9b1ed9.exe
    "C:\Users\Admin\AppData\Local\Temp\b5cc55e50a3e2f9ab5bd9a74285be645fb463842c4c5c9c4843e6f314b9b1ed9.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies WinLogon
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:1576
    • C:\Users\Admin\AppData\Local\Temp\b5cc55e50a3e2f9ab5bd9a74285be645fb463842c4c5c9c4843e6f314b9b1ed9.exe
      C:\Users\Admin\AppData\Local\Temp\b5cc55e50a3e2f9ab5bd9a74285be645fb463842c4c5c9c4843e6f314b9b1ed9.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1308
      • C:\Users\Admin\AppData\Local\Temp\b5cc55e50a3e2f9ab5bd9a74285be645fb463842c4c5c9c4843e6f314b9b1ed9.exe
        C:\Users\Admin\AppData\Local\Temp\b5cc55e50a3e2f9ab5bd9a74285be645fb463842c4c5c9c4843e6f314b9b1ed9.exe
        3⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1296
      • C:\Users\Admin\AppData\Local\Temp\b5cc55e50a3e2f9ab5bd9a74285be645fb463842c4c5c9c4843e6f314b9b1ed9.exe
        C:\Users\Admin\AppData\Local\Temp\b5cc55e50a3e2f9ab5bd9a74285be645fb463842c4c5c9c4843e6f314b9b1ed9.exe
        3⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1608
        • C:\Users\Admin\AppData\Local\Temp\b5cc55e50a3e2f9ab5bd9a74285be645fb463842c4c5c9c4843e6f314b9b1ed9.exe
          C:\Users\Admin\AppData\Local\Temp\b5cc55e50a3e2f9ab5bd9a74285be645fb463842c4c5c9c4843e6f314b9b1ed9.exe
          4⤵
          • Enumerates connected drives
          PID:1252
      • C:\Users\Admin\AppData\Local\Temp\b5cc55e50a3e2f9ab5bd9a74285be645fb463842c4c5c9c4843e6f314b9b1ed9.exe
        C:\Users\Admin\AppData\Local\Temp\b5cc55e50a3e2f9ab5bd9a74285be645fb463842c4c5c9c4843e6f314b9b1ed9.exe
        3⤵
        • Enumerates connected drives
        PID:1576

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_28DEA62A0AE77228DD387E155AD0BA27

    Filesize

    1KB

    MD5

    5e9fc5735c6f6d59c13551ef83d7e3b4

    SHA1

    ff08507b6afa438652f8ef436ca9827584b979a8

    SHA256

    ac7469bd9cbe457f094e12097223aa264ce4343dad55684065f6f964fd4d15cc

    SHA512

    5a3fa6ed1c7a1fef5bcb28d8f3d292d71d24b8a26058cc4308e9d35d31d18c72dfb194efe91312a296ae3bcde49bda08ba2abd12f6f069d27f4cd66714f0fa37

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_28DEA62A0AE77228DD387E155AD0BA27

    Filesize

    408B

    MD5

    ee1d383f12d023e7da5027d0be71597c

    SHA1

    cd17da63aabdc839d914a87758dd4404d0d46829

    SHA256

    83fbf606c63ed7f8d2d870b0308a164a59826f57e47582849f7dca33bcb2886a

    SHA512

    af19535afcb64d74d09bd7444e366849cba16473814520542c7500064b33081c031750e357428514f82518f009631c99ec515fa438dea157e9c7351f9ce3a57e

  • C:\Users\Admin\Local Settings\Application Data\cftmon.exe

    Filesize

    7.5MB

    MD5

    f173cfc787fb1a46f0ec60ca81fdbfad

    SHA1

    0b10dbe28a8ef602d7979f65deb01d3259c98b1b

    SHA256

    4fe7fbf5d08de26ebe784a009e2775fc7fc0ef229d33bf6b78e33e5b7a0c09f2

    SHA512

    f31f5537757ecf82a03fb93c4f9c398875ed642868af65293acd0a157150bdb705acbf3447f32808bb8cd1d2b1c9df11ab93436c2853912c4f1ec24d45a400dc

  • C:\Users\Admin\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • C:\Users\Admin\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • C:\Windows\SysWOW64\drivers\spools.exe

    Filesize

    7.5MB

    MD5

    09b071e1185105142d3910f23f6e56dc

    SHA1

    2821eafef670461a07fd02490945646535520ec0

    SHA256

    30ae6e7628f13572e5bb8f8f14bf69fb75b568ed86f91acf353162aa96458ff3

    SHA512

    44d278996721e938139eaf52169678744c747e0cc5714698f0d1b859f797e3580e4eba8fb6f896fa431ca5ae46d1f8805d830f26581f28e6a743a2a3969e3362

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • \Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • \Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • \Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/1252-94-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1296-75-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1296-76-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1296-68-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1308-88-0x0000000000230000-0x0000000000256000-memory.dmp

    Filesize

    152KB

  • memory/1308-67-0x0000000000230000-0x0000000000256000-memory.dmp

    Filesize

    152KB

  • memory/1308-95-0x0000000000230000-0x0000000000256000-memory.dmp

    Filesize

    152KB

  • memory/1308-65-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1308-77-0x0000000000230000-0x0000000000256000-memory.dmp

    Filesize

    152KB

  • memory/1308-79-0x0000000000230000-0x0000000000256000-memory.dmp

    Filesize

    152KB

  • memory/1308-92-0x0000000000230000-0x0000000000256000-memory.dmp

    Filesize

    152KB

  • memory/1308-62-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1576-93-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1608-87-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1608-89-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1608-80-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1608-96-0x00000000027B0000-0x00000000027D6000-memory.dmp

    Filesize

    152KB

  • memory/1912-58-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1912-59-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1912-61-0x00000000029D0000-0x00000000029F6000-memory.dmp

    Filesize

    152KB

  • memory/1912-56-0x0000000076041000-0x0000000076043000-memory.dmp

    Filesize

    8KB

  • memory/1912-64-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1912-54-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1912-63-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB