Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    20-12-2021 04:56

General

  • Target

    6851ee86ef723624b9d8bb881188b745.exe

  • Size

    5.4MB

  • MD5

    6851ee86ef723624b9d8bb881188b745

  • SHA1

    bd1354f4b1679b4b5aa79bb3af38d3e041ebd24c

  • SHA256

    0ffb06b7e5f65c17f974e200c9acf13e2acc3bb2c2f5dc9b17f14018cf0f47c7

  • SHA512

    24ca73eb150904362a14577bbbd88f585412f1b1e660631ae7614d80d0dbea58d877548d8f816e56d76933bdc8af734051183624e728b2653a59713f7e75c7fa

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.

  • Loads dropped DLL 10 IoCs
  • Themida packer 27 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 3 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6851ee86ef723624b9d8bb881188b745.exe
    "C:\Users\Admin\AppData\Local\Temp\6851ee86ef723624b9d8bb881188b745.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Users\Admin\AppData\Local\Temp\gustus\edenic.exe
      "C:\Users\Admin\AppData\Local\Temp\gustus\edenic.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:952
      • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
        "C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Loads dropped DLL
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        PID:1496
    • C:\Users\Admin\AppData\Local\Temp\gustus\godwitvp.exe
      "C:\Users\Admin\AppData\Local\Temp\gustus\godwitvp.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:1076
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\chdloox.vbs"
        3⤵
          PID:1124
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\qhkoxidb.vbs"
          3⤵
          • Blocklisted process makes network request
          PID:1180

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\chdloox.vbs
      MD5

      c485c68ea850a4bc1ef5eb2af8b6173b

      SHA1

      b71bac0cde6b707db0af1bce551f92bd33dc95d4

      SHA256

      0488f4bd11929a890f5a9806219641f64980edd323c297385de8326b069d8c9c

      SHA512

      ed59d12d0f7fc9e9bc26f99de33fca3315f743c17bd753397300750197a6e5c9b673582881d54cbedf5afac6e449bc0dbe6efc39036f556e198f79145799ba1a

    • C:\Users\Admin\AppData\Local\Temp\gustus\edenic.exe
      MD5

      c9bdb6ed5eb6da1c74b956937bbd31b4

      SHA1

      a9c6389196fa0c28b91b1802758981feee113031

      SHA256

      31eb4eec08c93c2770affd600e010182855e63322fba278afede89816faff6aa

      SHA512

      496657b02941e8548c397f9b59eeaa2671fa7921ac052d1b336147b881975bc47861da7a6c16c3a53e759704300cd66ce31ae1a3b286875bf5e563aa9a697295

    • C:\Users\Admin\AppData\Local\Temp\gustus\edenic.exe
      MD5

      c9bdb6ed5eb6da1c74b956937bbd31b4

      SHA1

      a9c6389196fa0c28b91b1802758981feee113031

      SHA256

      31eb4eec08c93c2770affd600e010182855e63322fba278afede89816faff6aa

      SHA512

      496657b02941e8548c397f9b59eeaa2671fa7921ac052d1b336147b881975bc47861da7a6c16c3a53e759704300cd66ce31ae1a3b286875bf5e563aa9a697295

    • C:\Users\Admin\AppData\Local\Temp\gustus\godwitvp.exe
      MD5

      adca6cddf728ac19287c8da0690ce78e

      SHA1

      3bc43b39ac78d1edebf83ae6a95108b95acdb439

      SHA256

      7aaf99f9ad42337851b40596faf2241ae2957048c2862aad402320312536c6d7

      SHA512

      81dcd61505a0ced122e7b0ca12dd3520a475025643c8ca109edfd13fd017740c7ad32f854c87ea87c3eabadc780c3c4b041b247888aa7f22ffd5714be4051140

    • C:\Users\Admin\AppData\Local\Temp\gustus\godwitvp.exe
      MD5

      adca6cddf728ac19287c8da0690ce78e

      SHA1

      3bc43b39ac78d1edebf83ae6a95108b95acdb439

      SHA256

      7aaf99f9ad42337851b40596faf2241ae2957048c2862aad402320312536c6d7

      SHA512

      81dcd61505a0ced122e7b0ca12dd3520a475025643c8ca109edfd13fd017740c7ad32f854c87ea87c3eabadc780c3c4b041b247888aa7f22ffd5714be4051140

    • C:\Users\Admin\AppData\Local\Temp\qhkoxidb.vbs
      MD5

      450b8ac6c7c2bb63af2e0db72dab7f9a

      SHA1

      399a2ae7b2cb70adfe27d0261e30313c560372e7

      SHA256

      9382a914059057dee0ce2092cef0098379ea59faf8b03737045ec0819e1be0df

      SHA512

      ed6813037fda0b6ee28c01e715c1e1ed0a5bde0fe2e82b72ba9a789283a63ccf85f2c4188fd24a364f0043ec514c94530154d8f3697dac4eb0582cd416a28b2f

    • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      MD5

      c9bdb6ed5eb6da1c74b956937bbd31b4

      SHA1

      a9c6389196fa0c28b91b1802758981feee113031

      SHA256

      31eb4eec08c93c2770affd600e010182855e63322fba278afede89816faff6aa

      SHA512

      496657b02941e8548c397f9b59eeaa2671fa7921ac052d1b336147b881975bc47861da7a6c16c3a53e759704300cd66ce31ae1a3b286875bf5e563aa9a697295

    • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      MD5

      c9bdb6ed5eb6da1c74b956937bbd31b4

      SHA1

      a9c6389196fa0c28b91b1802758981feee113031

      SHA256

      31eb4eec08c93c2770affd600e010182855e63322fba278afede89816faff6aa

      SHA512

      496657b02941e8548c397f9b59eeaa2671fa7921ac052d1b336147b881975bc47861da7a6c16c3a53e759704300cd66ce31ae1a3b286875bf5e563aa9a697295

    • \Users\Admin\AppData\Local\Temp\gustus\edenic.exe
      MD5

      c9bdb6ed5eb6da1c74b956937bbd31b4

      SHA1

      a9c6389196fa0c28b91b1802758981feee113031

      SHA256

      31eb4eec08c93c2770affd600e010182855e63322fba278afede89816faff6aa

      SHA512

      496657b02941e8548c397f9b59eeaa2671fa7921ac052d1b336147b881975bc47861da7a6c16c3a53e759704300cd66ce31ae1a3b286875bf5e563aa9a697295

    • \Users\Admin\AppData\Local\Temp\gustus\edenic.exe
      MD5

      c9bdb6ed5eb6da1c74b956937bbd31b4

      SHA1

      a9c6389196fa0c28b91b1802758981feee113031

      SHA256

      31eb4eec08c93c2770affd600e010182855e63322fba278afede89816faff6aa

      SHA512

      496657b02941e8548c397f9b59eeaa2671fa7921ac052d1b336147b881975bc47861da7a6c16c3a53e759704300cd66ce31ae1a3b286875bf5e563aa9a697295

    • \Users\Admin\AppData\Local\Temp\gustus\edenic.exe
      MD5

      c9bdb6ed5eb6da1c74b956937bbd31b4

      SHA1

      a9c6389196fa0c28b91b1802758981feee113031

      SHA256

      31eb4eec08c93c2770affd600e010182855e63322fba278afede89816faff6aa

      SHA512

      496657b02941e8548c397f9b59eeaa2671fa7921ac052d1b336147b881975bc47861da7a6c16c3a53e759704300cd66ce31ae1a3b286875bf5e563aa9a697295

    • \Users\Admin\AppData\Local\Temp\gustus\godwitvp.exe
      MD5

      adca6cddf728ac19287c8da0690ce78e

      SHA1

      3bc43b39ac78d1edebf83ae6a95108b95acdb439

      SHA256

      7aaf99f9ad42337851b40596faf2241ae2957048c2862aad402320312536c6d7

      SHA512

      81dcd61505a0ced122e7b0ca12dd3520a475025643c8ca109edfd13fd017740c7ad32f854c87ea87c3eabadc780c3c4b041b247888aa7f22ffd5714be4051140

    • \Users\Admin\AppData\Local\Temp\gustus\godwitvp.exe
      MD5

      adca6cddf728ac19287c8da0690ce78e

      SHA1

      3bc43b39ac78d1edebf83ae6a95108b95acdb439

      SHA256

      7aaf99f9ad42337851b40596faf2241ae2957048c2862aad402320312536c6d7

      SHA512

      81dcd61505a0ced122e7b0ca12dd3520a475025643c8ca109edfd13fd017740c7ad32f854c87ea87c3eabadc780c3c4b041b247888aa7f22ffd5714be4051140

    • \Users\Admin\AppData\Local\Temp\gustus\godwitvp.exe
      MD5

      adca6cddf728ac19287c8da0690ce78e

      SHA1

      3bc43b39ac78d1edebf83ae6a95108b95acdb439

      SHA256

      7aaf99f9ad42337851b40596faf2241ae2957048c2862aad402320312536c6d7

      SHA512

      81dcd61505a0ced122e7b0ca12dd3520a475025643c8ca109edfd13fd017740c7ad32f854c87ea87c3eabadc780c3c4b041b247888aa7f22ffd5714be4051140

    • \Users\Admin\AppData\Local\Temp\nsyF43F.tmp\UAC.dll
      MD5

      adb29e6b186daa765dc750128649b63d

      SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

      SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

      SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      MD5

      c9bdb6ed5eb6da1c74b956937bbd31b4

      SHA1

      a9c6389196fa0c28b91b1802758981feee113031

      SHA256

      31eb4eec08c93c2770affd600e010182855e63322fba278afede89816faff6aa

      SHA512

      496657b02941e8548c397f9b59eeaa2671fa7921ac052d1b336147b881975bc47861da7a6c16c3a53e759704300cd66ce31ae1a3b286875bf5e563aa9a697295

    • \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      MD5

      c9bdb6ed5eb6da1c74b956937bbd31b4

      SHA1

      a9c6389196fa0c28b91b1802758981feee113031

      SHA256

      31eb4eec08c93c2770affd600e010182855e63322fba278afede89816faff6aa

      SHA512

      496657b02941e8548c397f9b59eeaa2671fa7921ac052d1b336147b881975bc47861da7a6c16c3a53e759704300cd66ce31ae1a3b286875bf5e563aa9a697295

    • \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      MD5

      c9bdb6ed5eb6da1c74b956937bbd31b4

      SHA1

      a9c6389196fa0c28b91b1802758981feee113031

      SHA256

      31eb4eec08c93c2770affd600e010182855e63322fba278afede89816faff6aa

      SHA512

      496657b02941e8548c397f9b59eeaa2671fa7921ac052d1b336147b881975bc47861da7a6c16c3a53e759704300cd66ce31ae1a3b286875bf5e563aa9a697295

    • memory/952-72-0x00000000002E0000-0x00000000009CB000-memory.dmp
      Filesize

      6.9MB

    • memory/952-58-0x0000000000000000-mapping.dmp
    • memory/952-74-0x00000000002E0000-0x00000000009CB000-memory.dmp
      Filesize

      6.9MB

    • memory/952-76-0x00000000002E0000-0x00000000009CB000-memory.dmp
      Filesize

      6.9MB

    • memory/952-78-0x00000000002E0000-0x00000000009CB000-memory.dmp
      Filesize

      6.9MB

    • memory/1076-65-0x0000000000000000-mapping.dmp
    • memory/1076-77-0x0000000001310000-0x00000000019DD000-memory.dmp
      Filesize

      6.8MB

    • memory/1076-75-0x0000000001310000-0x00000000019DD000-memory.dmp
      Filesize

      6.8MB

    • memory/1076-73-0x0000000001310000-0x00000000019DD000-memory.dmp
      Filesize

      6.8MB

    • memory/1076-71-0x0000000001310000-0x00000000019DD000-memory.dmp
      Filesize

      6.8MB

    • memory/1124-79-0x0000000000000000-mapping.dmp
    • memory/1180-93-0x0000000000000000-mapping.dmp
    • memory/1496-83-0x0000000000000000-mapping.dmp
    • memory/1496-89-0x00000000002F0000-0x00000000009DB000-memory.dmp
      Filesize

      6.9MB

    • memory/1496-90-0x00000000002F0000-0x00000000009DB000-memory.dmp
      Filesize

      6.9MB

    • memory/1496-92-0x00000000002F0000-0x00000000009DB000-memory.dmp
      Filesize

      6.9MB

    • memory/1496-91-0x00000000002F0000-0x00000000009DB000-memory.dmp
      Filesize

      6.9MB

    • memory/1676-55-0x0000000075021000-0x0000000075023000-memory.dmp
      Filesize

      8KB