Analysis

  • max time kernel
    118s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    15-02-2022 13:29

General

  • Target

    4faac433dc2e0494006797d9888d12bd9a53e0f0492774b8f69ddcf0a5f70247.exe

  • Size

    5.9MB

  • MD5

    3919bb58a275715604a36797fce5cc4f

  • SHA1

    60c6d11d0401ecf45b760a6c52b947ccca821d8a

  • SHA256

    4faac433dc2e0494006797d9888d12bd9a53e0f0492774b8f69ddcf0a5f70247

  • SHA512

    8af2d40ee99a7ba9a0b7cc8786cf627cab03a5dd7f85cb12a3dc72de678a33094b16a74fb69f7ad98d29a4ec158b312b3fc2749087268a91f83dc825b40c39a7

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Blocklisted process makes network request 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Checks BIOS information in registry 2 TTPs 6 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 9 IoCs
  • Themida packer 21 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4faac433dc2e0494006797d9888d12bd9a53e0f0492774b8f69ddcf0a5f70247.exe
    "C:\Users\Admin\AppData\Local\Temp\4faac433dc2e0494006797d9888d12bd9a53e0f0492774b8f69ddcf0a5f70247.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Users\Admin\AppData\Local\Temp\droopt\searer.exe
      "C:\Users\Admin\AppData\Local\Temp\droopt\searer.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Drops startup file
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:772
      • C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
        "C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: AddClipboardFormatListener
        PID:1852
    • C:\Users\Admin\AppData\Local\Temp\droopt\turneyvp.exe
      "C:\Users\Admin\AppData\Local\Temp\droopt\turneyvp.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1348
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\gfowgpxduny.vbs"
        3⤵
          PID:1736
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\umkrrqapt.vbs"
          3⤵
          • Blocklisted process makes network request
          PID:1768

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\droopt\searer.exe

      MD5

      c43f57a26092d31ef02696f8850b4960

      SHA1

      5fd387f4f5d73fd84a28c121bff7e0d05b42789e

      SHA256

      dce6b541c822235cc52b2ba927e40fa39bfcbdab834870936dee131785994d93

      SHA512

      a17253d004d8b6e355e49d32d0997636291935936a85656fef0686ba7585af314a275f51bf89c7687c51b7e791e7391d60166da187b43e5b54af0d4cbf33b76c

    • C:\Users\Admin\AppData\Local\Temp\droopt\searer.exe

      MD5

      c43f57a26092d31ef02696f8850b4960

      SHA1

      5fd387f4f5d73fd84a28c121bff7e0d05b42789e

      SHA256

      dce6b541c822235cc52b2ba927e40fa39bfcbdab834870936dee131785994d93

      SHA512

      a17253d004d8b6e355e49d32d0997636291935936a85656fef0686ba7585af314a275f51bf89c7687c51b7e791e7391d60166da187b43e5b54af0d4cbf33b76c

    • C:\Users\Admin\AppData\Local\Temp\droopt\turneyvp.exe

      MD5

      17e6b50e6b3bd0ed3c3d7bb319e5c3bb

      SHA1

      5ee76f504a953ce4d801100a1621033e6c4fe3f6

      SHA256

      561986fd98e2ef79cfab1b7c0ebc4185d4c1b0f101ff10fc086d30fb6f02d283

      SHA512

      6db1eb445485889795196cd87c6631b08b3a9da7c2ca37b7bf806b44ff6f5f37715d2fef6cc29e5a7b5c3995d011b0c610ff7c73a41a5f466f7d9fbe1705920f

    • C:\Users\Admin\AppData\Local\Temp\droopt\turneyvp.exe

      MD5

      17e6b50e6b3bd0ed3c3d7bb319e5c3bb

      SHA1

      5ee76f504a953ce4d801100a1621033e6c4fe3f6

      SHA256

      561986fd98e2ef79cfab1b7c0ebc4185d4c1b0f101ff10fc086d30fb6f02d283

      SHA512

      6db1eb445485889795196cd87c6631b08b3a9da7c2ca37b7bf806b44ff6f5f37715d2fef6cc29e5a7b5c3995d011b0c610ff7c73a41a5f466f7d9fbe1705920f

    • C:\Users\Admin\AppData\Local\Temp\gfowgpxduny.vbs

      MD5

      cf2fe4dbec3c7059e82bcef131db3dbb

      SHA1

      ab3b6c94e5193207341df371cffeeecf5a85c395

      SHA256

      098b505475c371fc99171775ac000ac159c1571a266c59d7c3154a3e9de8297c

      SHA512

      04671106f27e816f7d7efa4239aac7505a0696db91bce6f8d8a3838f4f78564b6415d60409d4de7c8f12e958dbef82f51ab7117d6b67dd3b8b9e40c97aad2cf1

    • C:\Users\Admin\AppData\Local\Temp\umkrrqapt.vbs

      MD5

      ef3fa9e1964b0ca2915f473b925ae050

      SHA1

      bb0c85060df2287b035a438d2d67b2ec6e8a0ad4

      SHA256

      498e0dcd816a3ca8396e8b4bc14df925a06c8e21252e968c98e568dec67b2f23

      SHA512

      b83eb9bc8521f5408ff067ed7604f20693f69f2890bae33ad80009f6557e42d1ca69335f4347ff8dc98715c998683179c6fe32569ae548891943b098c5a2308b

    • C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe

      MD5

      c43f57a26092d31ef02696f8850b4960

      SHA1

      5fd387f4f5d73fd84a28c121bff7e0d05b42789e

      SHA256

      dce6b541c822235cc52b2ba927e40fa39bfcbdab834870936dee131785994d93

      SHA512

      a17253d004d8b6e355e49d32d0997636291935936a85656fef0686ba7585af314a275f51bf89c7687c51b7e791e7391d60166da187b43e5b54af0d4cbf33b76c

    • \Users\Admin\AppData\Local\Temp\droopt\searer.exe

      MD5

      c43f57a26092d31ef02696f8850b4960

      SHA1

      5fd387f4f5d73fd84a28c121bff7e0d05b42789e

      SHA256

      dce6b541c822235cc52b2ba927e40fa39bfcbdab834870936dee131785994d93

      SHA512

      a17253d004d8b6e355e49d32d0997636291935936a85656fef0686ba7585af314a275f51bf89c7687c51b7e791e7391d60166da187b43e5b54af0d4cbf33b76c

    • \Users\Admin\AppData\Local\Temp\droopt\searer.exe

      MD5

      c43f57a26092d31ef02696f8850b4960

      SHA1

      5fd387f4f5d73fd84a28c121bff7e0d05b42789e

      SHA256

      dce6b541c822235cc52b2ba927e40fa39bfcbdab834870936dee131785994d93

      SHA512

      a17253d004d8b6e355e49d32d0997636291935936a85656fef0686ba7585af314a275f51bf89c7687c51b7e791e7391d60166da187b43e5b54af0d4cbf33b76c

    • \Users\Admin\AppData\Local\Temp\droopt\turneyvp.exe

      MD5

      17e6b50e6b3bd0ed3c3d7bb319e5c3bb

      SHA1

      5ee76f504a953ce4d801100a1621033e6c4fe3f6

      SHA256

      561986fd98e2ef79cfab1b7c0ebc4185d4c1b0f101ff10fc086d30fb6f02d283

      SHA512

      6db1eb445485889795196cd87c6631b08b3a9da7c2ca37b7bf806b44ff6f5f37715d2fef6cc29e5a7b5c3995d011b0c610ff7c73a41a5f466f7d9fbe1705920f

    • \Users\Admin\AppData\Local\Temp\droopt\turneyvp.exe

      MD5

      17e6b50e6b3bd0ed3c3d7bb319e5c3bb

      SHA1

      5ee76f504a953ce4d801100a1621033e6c4fe3f6

      SHA256

      561986fd98e2ef79cfab1b7c0ebc4185d4c1b0f101ff10fc086d30fb6f02d283

      SHA512

      6db1eb445485889795196cd87c6631b08b3a9da7c2ca37b7bf806b44ff6f5f37715d2fef6cc29e5a7b5c3995d011b0c610ff7c73a41a5f466f7d9fbe1705920f

    • \Users\Admin\AppData\Local\Temp\droopt\turneyvp.exe

      MD5

      17e6b50e6b3bd0ed3c3d7bb319e5c3bb

      SHA1

      5ee76f504a953ce4d801100a1621033e6c4fe3f6

      SHA256

      561986fd98e2ef79cfab1b7c0ebc4185d4c1b0f101ff10fc086d30fb6f02d283

      SHA512

      6db1eb445485889795196cd87c6631b08b3a9da7c2ca37b7bf806b44ff6f5f37715d2fef6cc29e5a7b5c3995d011b0c610ff7c73a41a5f466f7d9fbe1705920f

    • \Users\Admin\AppData\Local\Temp\nso6C5B.tmp\UAC.dll

      MD5

      adb29e6b186daa765dc750128649b63d

      SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

      SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

      SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • \Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe

      MD5

      c43f57a26092d31ef02696f8850b4960

      SHA1

      5fd387f4f5d73fd84a28c121bff7e0d05b42789e

      SHA256

      dce6b541c822235cc52b2ba927e40fa39bfcbdab834870936dee131785994d93

      SHA512

      a17253d004d8b6e355e49d32d0997636291935936a85656fef0686ba7585af314a275f51bf89c7687c51b7e791e7391d60166da187b43e5b54af0d4cbf33b76c

    • \Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe

      MD5

      c43f57a26092d31ef02696f8850b4960

      SHA1

      5fd387f4f5d73fd84a28c121bff7e0d05b42789e

      SHA256

      dce6b541c822235cc52b2ba927e40fa39bfcbdab834870936dee131785994d93

      SHA512

      a17253d004d8b6e355e49d32d0997636291935936a85656fef0686ba7585af314a275f51bf89c7687c51b7e791e7391d60166da187b43e5b54af0d4cbf33b76c

    • \Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe

      MD5

      c43f57a26092d31ef02696f8850b4960

      SHA1

      5fd387f4f5d73fd84a28c121bff7e0d05b42789e

      SHA256

      dce6b541c822235cc52b2ba927e40fa39bfcbdab834870936dee131785994d93

      SHA512

      a17253d004d8b6e355e49d32d0997636291935936a85656fef0686ba7585af314a275f51bf89c7687c51b7e791e7391d60166da187b43e5b54af0d4cbf33b76c

    • memory/772-62-0x000000013FBA0000-0x00000001404B7000-memory.dmp

      Filesize

      9.1MB

    • memory/772-70-0x000007FEFBE21000-0x000007FEFBE23000-memory.dmp

      Filesize

      8KB

    • memory/772-61-0x000000013FBA0000-0x00000001404B7000-memory.dmp

      Filesize

      9.1MB

    • memory/772-68-0x00000000775F0000-0x00000000775F2000-memory.dmp

      Filesize

      8KB

    • memory/1348-73-0x0000000000360000-0x00000000009D8000-memory.dmp

      Filesize

      6.5MB

    • memory/1348-71-0x0000000000360000-0x00000000009D8000-memory.dmp

      Filesize

      6.5MB

    • memory/1348-75-0x0000000000360000-0x00000000009D8000-memory.dmp

      Filesize

      6.5MB

    • memory/1348-76-0x0000000000360000-0x00000000009D8000-memory.dmp

      Filesize

      6.5MB

    • memory/1348-72-0x0000000077790000-0x0000000077792000-memory.dmp

      Filesize

      8KB

    • memory/1852-80-0x000000013F6D0000-0x000000013FFE7000-memory.dmp

      Filesize

      9.1MB

    • memory/1852-81-0x000000013F6D0000-0x000000013FFE7000-memory.dmp

      Filesize

      9.1MB

    • memory/1908-55-0x0000000076731000-0x0000000076733000-memory.dmp

      Filesize

      8KB