Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    12-11-2023 11:46

General

  • Target

    13e73d2d887d4795826e1b67a01d85eba735fc4bb69d5149b5e94ef9ba3764b3.exe

  • Size

    4.0MB

  • MD5

    b39d30d98988ced35553febddd654fa1

  • SHA1

    68e26d3ce991ce8b0047f319c50b501cf25ae1b6

  • SHA256

    13e73d2d887d4795826e1b67a01d85eba735fc4bb69d5149b5e94ef9ba3764b3

  • SHA512

    3226a7624a9cceb1fec416da8f6fcf7838a351c4bd7f5d87147ae8130e6efe19608f21918df51329755326e48a9bdee872cd10bafdb7d8f9dd186cf75e8fd3ef

  • SSDEEP

    98304:HYMeRQg6dSsn4zsZtNijfpYS7SEawe1BrTkB8:4Mq6JZtY9M1BX

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://gululugu.zzz.com.ua/

http://gululugu2.zzz.com.ua/

rc4.i32
rc4.i32

Extracted

Family

bitrat

Version

1.38

C2

185.31.111.198:25001

Attributes
  • communication_password

    d7dcd79b773dc85c89b84862cdedb6cf

  • install_dir

    temp

  • install_file

    system.exe

  • tor_process

    tor

Signatures

  • BitRAT

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

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13e73d2d887d4795826e1b67a01d85eba735fc4bb69d5149b5e94ef9ba3764b3.exe
    "C:\Users\Admin\AppData\Local\Temp\13e73d2d887d4795826e1b67a01d85eba735fc4bb69d5149b5e94ef9ba3764b3.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2332
  • C:\Users\Admin\AppData\Local\Temp\B1E1.exe
    C:\Users\Admin\AppData\Local\Temp\B1E1.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInUtil.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInUtil.exe"
      2⤵
        PID:676
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe"
        2⤵
          PID:268
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe"
          2⤵
            PID:476
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe"
            2⤵
              PID:576
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
              "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"
              2⤵
                PID:1044
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe
                "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"
                2⤵
                • Adds Run key to start application
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:3044
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
              • Accesses Microsoft Outlook profiles
              • outlook_office_path
              • outlook_win_path
              PID:2884
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:2612

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\B1E1.exe

                Filesize

                4.6MB

                MD5

                18659566d6597e168fd75f0f64ae0acf

                SHA1

                fff293bd1462125fe483746807abfd78d7e7a68e

                SHA256

                5d5318419153167c1c9bd2df966ab89afa9e881542730536dd52602e1507419d

                SHA512

                a51845c1b5d2971ea77adfdd49e66b6ab2a4ec3ea23fc1f4913bf26c1204c6a4c87785ae5e09730d8efcbb934c991a8be0d689308f9de058d81f04560b3b9282

              • C:\Users\Admin\AppData\Local\Temp\B1E1.exe

                Filesize

                4.6MB

                MD5

                18659566d6597e168fd75f0f64ae0acf

                SHA1

                fff293bd1462125fe483746807abfd78d7e7a68e

                SHA256

                5d5318419153167c1c9bd2df966ab89afa9e881542730536dd52602e1507419d

                SHA512

                a51845c1b5d2971ea77adfdd49e66b6ab2a4ec3ea23fc1f4913bf26c1204c6a4c87785ae5e09730d8efcbb934c991a8be0d689308f9de058d81f04560b3b9282

              • \Users\Admin\AppData\Local\Temp\4C05.tmp

                Filesize

                1.2MB

                MD5

                d124f55b9393c976963407dff51ffa79

                SHA1

                2c7bbedd79791bfb866898c85b504186db610b5d

                SHA256

                ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

                SHA512

                278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

              • \Users\Admin\AppData\Local\Temp\B1E1.exe

                Filesize

                4.6MB

                MD5

                18659566d6597e168fd75f0f64ae0acf

                SHA1

                fff293bd1462125fe483746807abfd78d7e7a68e

                SHA256

                5d5318419153167c1c9bd2df966ab89afa9e881542730536dd52602e1507419d

                SHA512

                a51845c1b5d2971ea77adfdd49e66b6ab2a4ec3ea23fc1f4913bf26c1204c6a4c87785ae5e09730d8efcbb934c991a8be0d689308f9de058d81f04560b3b9282

              • \Users\Admin\AppData\Local\Temp\B1E1.exe

                Filesize

                4.6MB

                MD5

                18659566d6597e168fd75f0f64ae0acf

                SHA1

                fff293bd1462125fe483746807abfd78d7e7a68e

                SHA256

                5d5318419153167c1c9bd2df966ab89afa9e881542730536dd52602e1507419d

                SHA512

                a51845c1b5d2971ea77adfdd49e66b6ab2a4ec3ea23fc1f4913bf26c1204c6a4c87785ae5e09730d8efcbb934c991a8be0d689308f9de058d81f04560b3b9282

              • memory/1216-5-0x0000000002A10000-0x0000000002A25000-memory.dmp

                Filesize

                84KB

              • memory/1216-18-0x0000000009400000-0x0000000009880000-memory.dmp

                Filesize

                4.5MB

              • memory/1216-73-0x0000000009400000-0x0000000009880000-memory.dmp

                Filesize

                4.5MB

              • memory/2332-0-0x0000000000400000-0x00000000009D9000-memory.dmp

                Filesize

                5.8MB

              • memory/2332-1-0x0000000000400000-0x00000000009D9000-memory.dmp

                Filesize

                5.8MB

              • memory/2332-7-0x0000000000400000-0x00000000009D9000-memory.dmp

                Filesize

                5.8MB

              • memory/2440-67-0x000007FEFCDF0000-0x000007FEFCE07000-memory.dmp

                Filesize

                92KB

              • memory/2440-76-0x00000000777B0000-0x0000000077959000-memory.dmp

                Filesize

                1.7MB

              • memory/2440-31-0x000007FEFD990000-0x000007FEFD9F7000-memory.dmp

                Filesize

                412KB

              • memory/2440-33-0x000007FEFE3B0000-0x000007FEFE44F000-memory.dmp

                Filesize

                636KB

              • memory/2440-36-0x000007FEFDFB0000-0x000007FEFE021000-memory.dmp

                Filesize

                452KB

              • memory/2440-35-0x000007FEFD610000-0x000007FEFD67C000-memory.dmp

                Filesize

                432KB

              • memory/2440-34-0x0000000077690000-0x00000000777AF000-memory.dmp

                Filesize

                1.1MB

              • memory/2440-32-0x0000000077590000-0x000000007768A000-memory.dmp

                Filesize

                1000KB

              • memory/2440-30-0x000007FEF6940000-0x000007FEF69DC000-memory.dmp

                Filesize

                624KB

              • memory/2440-37-0x00000000008C0000-0x0000000000901000-memory.dmp

                Filesize

                260KB

              • memory/2440-39-0x000007FEFDBD0000-0x000007FEFDCAB000-memory.dmp

                Filesize

                876KB

              • memory/2440-38-0x000007FEF5A70000-0x000007FEF5B67000-memory.dmp

                Filesize

                988KB

              • memory/2440-124-0x00000000008C0000-0x0000000000901000-memory.dmp

                Filesize

                260KB

              • memory/2440-122-0x00000000001C0000-0x0000000000640000-memory.dmp

                Filesize

                4.5MB

              • memory/2440-107-0x000007FEFE950000-0x000007FEFE96F000-memory.dmp

                Filesize

                124KB

              • memory/2440-40-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

                Filesize

                9.9MB

              • memory/2440-44-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

                Filesize

                9.9MB

              • memory/2440-58-0x000007FEFE040000-0x000007FEFE243000-memory.dmp

                Filesize

                2.0MB

              • memory/2440-51-0x000007FEFE820000-0x000007FEFE94D000-memory.dmp

                Filesize

                1.2MB

              • memory/2440-108-0x000007FEFCDF0000-0x000007FEFCE07000-memory.dmp

                Filesize

                92KB

              • memory/2440-60-0x00000000001C0000-0x0000000000640000-memory.dmp

                Filesize

                4.5MB

              • memory/2440-88-0x000007FEF6940000-0x000007FEF69DC000-memory.dmp

                Filesize

                624KB

              • memory/2440-90-0x000007FEFC6C0000-0x000007FEFC6CC000-memory.dmp

                Filesize

                48KB

              • memory/2440-94-0x000007FEF5A70000-0x000007FEF5B67000-memory.dmp

                Filesize

                988KB

              • memory/2440-64-0x000007FEF43B0000-0x000007FEF44DC000-memory.dmp

                Filesize

                1.2MB

              • memory/2440-65-0x000007FEFCF40000-0x000007FEFCF62000-memory.dmp

                Filesize

                136KB

              • memory/2440-66-0x00000000022B0000-0x0000000002330000-memory.dmp

                Filesize

                512KB

              • memory/2440-25-0x00000000008C0000-0x0000000000901000-memory.dmp

                Filesize

                260KB

              • memory/2440-68-0x000000001B900000-0x000000001BD32000-memory.dmp

                Filesize

                4.2MB

              • memory/2440-96-0x000007FEFDFB0000-0x000007FEFE021000-memory.dmp

                Filesize

                452KB

              • memory/2440-70-0x000007FEFE950000-0x000007FEFE96F000-memory.dmp

                Filesize

                124KB

              • memory/2440-99-0x000007FEFB930000-0x000007FEFB933000-memory.dmp

                Filesize

                12KB

              • memory/2440-20-0x00000000001C0000-0x0000000000640000-memory.dmp

                Filesize

                4.5MB

              • memory/2440-101-0x0000000077590000-0x000000007768A000-memory.dmp

                Filesize

                1000KB

              • memory/2440-29-0x000007FEF6E40000-0x000007FEF6EAF000-memory.dmp

                Filesize

                444KB

              • memory/2440-77-0x0000000077690000-0x00000000777AF000-memory.dmp

                Filesize

                1.1MB

              • memory/2440-78-0x000007FEFD610000-0x000007FEFD67C000-memory.dmp

                Filesize

                432KB

              • memory/2440-79-0x000007FEFE3B0000-0x000007FEFE44F000-memory.dmp

                Filesize

                636KB

              • memory/2440-80-0x000007FEFDFB0000-0x000007FEFE021000-memory.dmp

                Filesize

                452KB

              • memory/2440-83-0x000007FEF6E40000-0x000007FEF6EAF000-memory.dmp

                Filesize

                444KB

              • memory/2440-84-0x000007FEFDBD0000-0x000007FEFDCAB000-memory.dmp

                Filesize

                876KB

              • memory/2440-86-0x000007FEFE820000-0x000007FEFE94D000-memory.dmp

                Filesize

                1.2MB

              • memory/2440-89-0x00000000777B0000-0x0000000077959000-memory.dmp

                Filesize

                1.7MB

              • memory/2440-91-0x0000000077690000-0x00000000777AF000-memory.dmp

                Filesize

                1.1MB

              • memory/2440-92-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

                Filesize

                9.9MB

              • memory/2440-95-0x000007FEFE3B0000-0x000007FEFE44F000-memory.dmp

                Filesize

                636KB

              • memory/2440-97-0x000007FEFE040000-0x000007FEFE243000-memory.dmp

                Filesize

                2.0MB

              • memory/2440-100-0x000007FEFD990000-0x000007FEFD9F7000-memory.dmp

                Filesize

                412KB

              • memory/2440-104-0x000007FEF7E90000-0x000007FEF7EA6000-memory.dmp

                Filesize

                88KB

              • memory/2440-103-0x000007FEF6E40000-0x000007FEF6EAF000-memory.dmp

                Filesize

                444KB

              • memory/2440-106-0x000007FEFCF40000-0x000007FEFCF62000-memory.dmp

                Filesize

                136KB

              • memory/2440-105-0x000007FEFDBD0000-0x000007FEFDCAB000-memory.dmp

                Filesize

                876KB

              • memory/2440-102-0x000007FEF43B0000-0x000007FEF44DC000-memory.dmp

                Filesize

                1.2MB

              • memory/2612-61-0x0000000000060000-0x000000000006C000-memory.dmp

                Filesize

                48KB

              • memory/2612-63-0x0000000000060000-0x000000000006C000-memory.dmp

                Filesize

                48KB

              • memory/2612-62-0x0000000000070000-0x0000000000077000-memory.dmp

                Filesize

                28KB

              • memory/2884-59-0x00000000000F0000-0x000000000015B000-memory.dmp

                Filesize

                428KB

              • memory/2884-41-0x00000000000F0000-0x000000000015B000-memory.dmp

                Filesize

                428KB

              • memory/2884-43-0x00000000000F0000-0x000000000015B000-memory.dmp

                Filesize

                428KB

              • memory/2884-42-0x00000000001C0000-0x0000000000234000-memory.dmp

                Filesize

                464KB

              • memory/3044-74-0x0000000000400000-0x00000000007F7000-memory.dmp

                Filesize

                4.0MB

              • memory/3044-72-0x0000000000400000-0x00000000007F7000-memory.dmp

                Filesize

                4.0MB

              • memory/3044-98-0x0000000000400000-0x00000000007F7000-memory.dmp

                Filesize

                4.0MB

              • memory/3044-69-0x0000000000400000-0x00000000007F7000-memory.dmp

                Filesize

                4.0MB

              • memory/3044-129-0x0000000000400000-0x00000000007F7000-memory.dmp

                Filesize

                4.0MB