Analysis

  • max time kernel
    151s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • 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 1 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Themida packer 14 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
  • Drops file in Windows directory 8 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 13 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:5028
    • 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
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:3480
      • 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:1516
    • 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
      • Checks computer location settings
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4732
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\soukndgnivn.vbs"
        3⤵
          PID:4980
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\bnbmqhaup.vbs"
          3⤵
          • Blocklisted process makes network request
          PID:1896
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1568
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2516

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751

      MD5

      54e9306f95f32e50ccd58af19753d929

      SHA1

      eab9457321f34d4dcf7d4a0ac83edc9131bf7c57

      SHA256

      45f94dceb18a8f738a26da09ce4558995a4fe02b971882e8116fc9b59813bb72

      SHA512

      8711a4d866f21cdf4d4e6131ec4cfaf6821d0d22b90946be8b5a09ab868af0270a89bc326f03b858f0361a83c11a1531b894dfd1945e4812ba429a7558791f4f

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751

      MD5

      ce902b6833db88a3e3f6c1e546eccf16

      SHA1

      e5e1425d381ae77ccaec7c0d02cb9cc94ba91333

      SHA256

      4d709ebeb223c4310f921382f5fe533fbe45af09b50bc09282f72c61efae4d7f

      SHA512

      f91f3d52e4db450ac28a1191a48d8a4d3cd12591298f42566c0edcccfbb680986bb1bd3da7fc2f88cc8ca62dea6041ce17a1bc5e2810647cef64140333d3960b

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

      MD5

      eef0cf9997cd701afadbadcfcb16010b

      SHA1

      ebd9d1dabf7260ab1eed299afd591e68b307ca90

      SHA256

      134975ec064b7f7aba29d2af25c1098fc69b73a61bae11a21f2ebc5d42e50496

      SHA512

      f2b26c84224dbb6861320dfab467851b1b2218cede473c353889646ba69fa9505179c24dac548b5741885bd6cc9e373d5c92563edc67029e56c7ecd1a496f7d3

    • 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\nse6291.tmp\UAC.dll

      MD5

      adb29e6b186daa765dc750128649b63d

      SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

      SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

      SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

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

      MD5

      3f87547dd2d2f468bae2e8513faffd82

      SHA1

      67d8c1713601f3526dc42ceb3e9d8b3b6855338d

      SHA256

      6738aac4ea3ba8800daf56621d4d0fd3c8834be0e8bb7f123a259b6ae8ba2b2d

      SHA512

      20afd996d0635e49922ef04941367285183e24128e368cb0e89e082910ea37a0fd591014cc37d86cd2d5c8ec66dbb5cdbf68974fbc533263607ea100271a2ada

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

      MD5

      c43f57a26092d31ef02696f8850b4960

      SHA1

      5fd387f4f5d73fd84a28c121bff7e0d05b42789e

      SHA256

      dce6b541c822235cc52b2ba927e40fa39bfcbdab834870936dee131785994d93

      SHA512

      a17253d004d8b6e355e49d32d0997636291935936a85656fef0686ba7585af314a275f51bf89c7687c51b7e791e7391d60166da187b43e5b54af0d4cbf33b76c

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

      MD5

      c43f57a26092d31ef02696f8850b4960

      SHA1

      5fd387f4f5d73fd84a28c121bff7e0d05b42789e

      SHA256

      dce6b541c822235cc52b2ba927e40fa39bfcbdab834870936dee131785994d93

      SHA512

      a17253d004d8b6e355e49d32d0997636291935936a85656fef0686ba7585af314a275f51bf89c7687c51b7e791e7391d60166da187b43e5b54af0d4cbf33b76c

    • memory/1516-145-0x00007FF7A5D00000-0x00007FF7A6617000-memory.dmp

      Filesize

      9.1MB

    • memory/1516-146-0x00007FF7A5D00000-0x00007FF7A6617000-memory.dmp

      Filesize

      9.1MB

    • memory/1568-149-0x00000198ADC20000-0x00000198ADC30000-memory.dmp

      Filesize

      64KB

    • memory/1568-150-0x00000198B0300000-0x00000198B0304000-memory.dmp

      Filesize

      16KB

    • memory/1568-148-0x00000198AD580000-0x00000198AD590000-memory.dmp

      Filesize

      64KB

    • memory/3480-136-0x00007FF6F1240000-0x00007FF6F1B57000-memory.dmp

      Filesize

      9.1MB

    • memory/3480-139-0x00007FFD1F910000-0x00007FFD1F912000-memory.dmp

      Filesize

      8KB

    • memory/3480-135-0x00007FF6F1240000-0x00007FF6F1B57000-memory.dmp

      Filesize

      9.1MB

    • memory/4732-137-0x00000000008D0000-0x0000000000F48000-memory.dmp

      Filesize

      6.5MB

    • memory/4732-142-0x00000000008D0000-0x0000000000F48000-memory.dmp

      Filesize

      6.5MB

    • memory/4732-141-0x00000000008D0000-0x0000000000F48000-memory.dmp

      Filesize

      6.5MB

    • memory/4732-140-0x0000000077E84000-0x0000000077E86000-memory.dmp

      Filesize

      8KB

    • memory/4732-138-0x00000000008D0000-0x0000000000F48000-memory.dmp

      Filesize

      6.5MB