Analysis

  • max time kernel
    290s
  • max time network
    314s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    09-11-2022 08:47

General

  • Target

    3164_23_147_PDF.exe

  • Size

    300.0MB

  • MD5

    19ee0757397eff0b8cafa381c9c3737b

  • SHA1

    801fbacb698b52aca0448fcbd6ab44d921ff6c3d

  • SHA256

    50c0fd86906d4b61410326cde1aaf9c114684287b0b165e785873b599f6dd9c3

  • SHA512

    ef09f79119e3f55d4e85b83a2586d41b2e4156ed2a7d28784aa880218d8c1dc623268b4232b22e254bcd91aa9d202e7a044d4d25ec289ab08b3228197beed312

  • SSDEEP

    98304:FwcVlQ8/lL2LLeZWL0kDdtJRLum/quFUD1nUzsg:ycX1VCLeen1UpU

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

bitone9090.duckdns.org:9090

bit9090.duckdns.org:9090

Attributes
  • communication_password

    e10adc3949ba59abbe56e057f20f883e

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Executes dropped EXE 4 IoCs
  • UPX packed file 17 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 10 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 3 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3164_23_147_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\3164_23_147_PDF.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\cvdafs.exe'" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1136
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\cvdafs.exe'" /f
        3⤵
        • Creates scheduled task(s)
        PID:1732
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\3164_23_147_PDF.exe" "C:\Users\Admin\AppData\Roaming\cvdafs.exe"
      2⤵
        PID:2020
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:888
      • C:\Users\Admin\AppData\Local\Temp\nbitt9090.exe
        "C:\Users\Admin\AppData\Local\Temp\nbitt9090.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1268
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:1760
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x2f8
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:464
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {291871FE-E73D-4B20-80C1-B49D6482E9D3} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:1576
        • C:\Users\Admin\AppData\Roaming\cvdafs.exe
          C:\Users\Admin\AppData\Roaming\cvdafs.exe
          2⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:364
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\cvdafs.exe'" /f
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:980
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\cvdafs.exe'" /f
              4⤵
              • Creates scheduled task(s)
              PID:1904
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Roaming\cvdafs.exe" "C:\Users\Admin\AppData\Roaming\cvdafs.exe"
            3⤵
              PID:1408
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
              3⤵
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • Suspicious use of AdjustPrivilegeToken
              PID:840
          • C:\Users\Admin\AppData\Roaming\cvdafs.exe
            C:\Users\Admin\AppData\Roaming\cvdafs.exe
            2⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1228
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\cvdafs.exe'" /f
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1136
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\cvdafs.exe'" /f
                4⤵
                • Creates scheduled task(s)
                PID:1724
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c copy "C:\Users\Admin\AppData\Roaming\cvdafs.exe" "C:\Users\Admin\AppData\Roaming\cvdafs.exe"
              3⤵
                PID:1900
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
                3⤵
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:912
            • C:\Users\Admin\AppData\Roaming\cvdafs.exe
              C:\Users\Admin\AppData\Roaming\cvdafs.exe
              2⤵
              • Executes dropped EXE
              PID:1688

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nbitt9090.exe

            Filesize

            1.4MB

            MD5

            d2d601c4f27a42233076ebc6e05f07f0

            SHA1

            5a0b561f883b88ca3d4d9bdba5143f103ea83d14

            SHA256

            dc9fcc38f0fad625bdd15fa418178cbcd8783e8c66bccf1bd300ead64c9e05eb

            SHA512

            f28db947332f2151de3a7b24101788afaeb3a00a63221dd20b745bd4ffe1ca495c6a4ac148ff8925635b720ae7c8bc586ab697622097a78a0e2588aa9d70b077

          • C:\Users\Admin\AppData\Roaming\cvdafs.exe

            Filesize

            300.0MB

            MD5

            19ee0757397eff0b8cafa381c9c3737b

            SHA1

            801fbacb698b52aca0448fcbd6ab44d921ff6c3d

            SHA256

            50c0fd86906d4b61410326cde1aaf9c114684287b0b165e785873b599f6dd9c3

            SHA512

            ef09f79119e3f55d4e85b83a2586d41b2e4156ed2a7d28784aa880218d8c1dc623268b4232b22e254bcd91aa9d202e7a044d4d25ec289ab08b3228197beed312

          • C:\Users\Admin\AppData\Roaming\cvdafs.exe

            Filesize

            121.9MB

            MD5

            af2ab3029dd8117553b5a0e792c172bd

            SHA1

            06b36c3d6d5925bd3568ff2267bed14dd20b4d3c

            SHA256

            79e0ce1fe85e7dd663f4e9c03bf5f4888bdce6aa10f1470405434d094d7865a3

            SHA512

            3e402225a356d84c0537692549d7c3be9ad289ae36bef89475090ac83583a2b087aac50e09be546e8cc43ce9e6373e8ed378fc938ffb9c0d58d2e6de9f92e8f4

          • C:\Users\Admin\AppData\Roaming\cvdafs.exe

            Filesize

            300.0MB

            MD5

            19ee0757397eff0b8cafa381c9c3737b

            SHA1

            801fbacb698b52aca0448fcbd6ab44d921ff6c3d

            SHA256

            50c0fd86906d4b61410326cde1aaf9c114684287b0b165e785873b599f6dd9c3

            SHA512

            ef09f79119e3f55d4e85b83a2586d41b2e4156ed2a7d28784aa880218d8c1dc623268b4232b22e254bcd91aa9d202e7a044d4d25ec289ab08b3228197beed312

          • C:\Users\Admin\AppData\Roaming\cvdafs.exe

            Filesize

            300.0MB

            MD5

            19ee0757397eff0b8cafa381c9c3737b

            SHA1

            801fbacb698b52aca0448fcbd6ab44d921ff6c3d

            SHA256

            50c0fd86906d4b61410326cde1aaf9c114684287b0b165e785873b599f6dd9c3

            SHA512

            ef09f79119e3f55d4e85b83a2586d41b2e4156ed2a7d28784aa880218d8c1dc623268b4232b22e254bcd91aa9d202e7a044d4d25ec289ab08b3228197beed312

          • \Users\Admin\AppData\Local\Temp\nbitt9090.exe

            Filesize

            1.4MB

            MD5

            d2d601c4f27a42233076ebc6e05f07f0

            SHA1

            5a0b561f883b88ca3d4d9bdba5143f103ea83d14

            SHA256

            dc9fcc38f0fad625bdd15fa418178cbcd8783e8c66bccf1bd300ead64c9e05eb

            SHA512

            f28db947332f2151de3a7b24101788afaeb3a00a63221dd20b745bd4ffe1ca495c6a4ac148ff8925635b720ae7c8bc586ab697622097a78a0e2588aa9d70b077

          • \Users\Admin\AppData\Local\Temp\nbitt9090.exe

            Filesize

            1.4MB

            MD5

            d2d601c4f27a42233076ebc6e05f07f0

            SHA1

            5a0b561f883b88ca3d4d9bdba5143f103ea83d14

            SHA256

            dc9fcc38f0fad625bdd15fa418178cbcd8783e8c66bccf1bd300ead64c9e05eb

            SHA512

            f28db947332f2151de3a7b24101788afaeb3a00a63221dd20b745bd4ffe1ca495c6a4ac148ff8925635b720ae7c8bc586ab697622097a78a0e2588aa9d70b077

          • memory/364-80-0x0000000000000000-mapping.dmp

          • memory/364-82-0x00000000010D0000-0x00000000013C6000-memory.dmp

            Filesize

            3.0MB

          • memory/840-98-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/840-97-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/840-92-0x00000000007E2730-mapping.dmp

          • memory/888-65-0x00000000007E2730-mapping.dmp

          • memory/888-60-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/888-67-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/888-66-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/888-64-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/888-61-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/888-75-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/888-68-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/888-77-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/888-63-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/912-117-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/912-54-0x0000000001200000-0x00000000014F6000-memory.dmp

            Filesize

            3.0MB

          • memory/912-111-0x00000000007E2730-mapping.dmp

          • memory/912-116-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/912-55-0x0000000076401000-0x0000000076403000-memory.dmp

            Filesize

            8KB

          • memory/980-84-0x0000000000000000-mapping.dmp

          • memory/1136-103-0x0000000000000000-mapping.dmp

          • memory/1136-56-0x0000000000000000-mapping.dmp

          • memory/1228-101-0x0000000000290000-0x0000000000586000-memory.dmp

            Filesize

            3.0MB

          • memory/1228-99-0x0000000000000000-mapping.dmp

          • memory/1268-78-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/1268-71-0x0000000000000000-mapping.dmp

          • memory/1268-76-0x0000000000400000-0x00000000007E4000-memory.dmp

            Filesize

            3.9MB

          • memory/1408-85-0x0000000000000000-mapping.dmp

          • memory/1688-120-0x0000000000990000-0x0000000000C86000-memory.dmp

            Filesize

            3.0MB

          • memory/1688-118-0x0000000000000000-mapping.dmp

          • memory/1724-105-0x0000000000000000-mapping.dmp

          • memory/1732-57-0x0000000000000000-mapping.dmp

          • memory/1760-59-0x000007FEFC341000-0x000007FEFC343000-memory.dmp

            Filesize

            8KB

          • memory/1900-104-0x0000000000000000-mapping.dmp

          • memory/1904-86-0x0000000000000000-mapping.dmp

          • memory/2020-58-0x0000000000000000-mapping.dmp