Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-10-2022 11:01

General

  • Target

    tmp.exe

  • Size

    193KB

  • MD5

    34793c6520dcf3c6130dc031fa640c71

  • SHA1

    200417a239bb0ac8dedbcd6e74b91ce5401577b4

  • SHA256

    5ca468704e7ccb8e1b37c0f7595c54df4e2f4035345b6e442e8bd4e11c58f791

  • SHA512

    cc226eee8d1b0dc4841f8a6b5ad07aefb0cca4d30373370930dd44de9869b3551c0e97c2324db7d1427ce2460027b8df3f01b803e4845a644d6b8ca96df3c67e

  • SSDEEP

    1536:JPE+R6swvj1q3w45lEdhKzozSFeuiS2FIlKWz0PEziNQKjoe:5EEwvj1aw4IhKzozSFeuiS2FIInwKoe

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

gh9st.mywire.org:5005

Attributes
  • communication_password

    803355ca422bf9b37bc523a750e21842

  • install_dir

    svcsvc

  • install_file

    svcsvc.exe

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Downloads MZ/PE file
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 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.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: RenamesItself 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1368
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      C:\Users\Admin\AppData\Local\Temp\tmp.exe
      2⤵
        PID:576
      • C:\Users\Admin\AppData\Local\Temp\tmp.exe
        C:\Users\Admin\AppData\Local\Temp\tmp.exe
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:980
        • C:\Users\Admin\AppData\Local\Temp\tmp.exe
          "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
          3⤵
            PID:1268
          • C:\Users\Admin\AppData\Local\Temp\tmp.exe
            "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
            3⤵
            • Adds Run key to start application
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1076
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1068
            • C:\Users\Admin\AppData\Local\Temp\tmp.exe
              C:\Users\Admin\AppData\Local\Temp\tmp.exe
              4⤵
              • Adds Run key to start application
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • Suspicious behavior: RenamesItself
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:1604

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

        Filesize

        7KB

        MD5

        aacbcee8ffd88eace765619ee0a3eeb0

        SHA1

        7537102897bf6f70494c6e39752700d95bcb0d99

        SHA256

        a31001fdd90e32d4b9513e02e162605ae9d061c5786a434c0b5a9ecbcba70f88

        SHA512

        770abc1d2af08ddbf7e3984c43e5cba7351e9f007473cf0177e5e77a46fe9b0be16192d25752e5832c3350be39cc4d3080cc31311c6ebacb13310ca59c54e795

      • memory/980-78-0x0000000000400000-0x000000000043F000-memory.dmp

        Filesize

        252KB

      • memory/980-79-0x0000000000400000-0x000000000043F000-memory.dmp

        Filesize

        252KB

      • memory/980-74-0x0000000000400000-0x000000000043F000-memory.dmp

        Filesize

        252KB

      • memory/980-72-0x0000000000400000-0x000000000043F000-memory.dmp

        Filesize

        252KB

      • memory/980-64-0x0000000000400000-0x000000000043F000-memory.dmp

        Filesize

        252KB

      • memory/980-89-0x0000000000400000-0x000000000043F000-memory.dmp

        Filesize

        252KB

      • memory/980-70-0x0000000000400000-0x000000000043F000-memory.dmp

        Filesize

        252KB

      • memory/980-75-0x000000000040AE9E-mapping.dmp

      • memory/980-71-0x0000000000400000-0x000000000043F000-memory.dmp

        Filesize

        252KB

      • memory/980-65-0x0000000000400000-0x000000000043F000-memory.dmp

        Filesize

        252KB

      • memory/980-67-0x0000000000400000-0x000000000043F000-memory.dmp

        Filesize

        252KB

      • memory/980-69-0x0000000000400000-0x000000000043F000-memory.dmp

        Filesize

        252KB

      • memory/1068-94-0x0000000000000000-mapping.dmp

      • memory/1068-98-0x000000006F560000-0x000000006FB0B000-memory.dmp

        Filesize

        5.7MB

      • memory/1068-99-0x000000006F560000-0x000000006FB0B000-memory.dmp

        Filesize

        5.7MB

      • memory/1068-97-0x000000006F560000-0x000000006FB0B000-memory.dmp

        Filesize

        5.7MB

      • memory/1076-86-0x0000000000400000-0x00000000008B2000-memory.dmp

        Filesize

        4.7MB

      • memory/1076-80-0x0000000000400000-0x00000000008B2000-memory.dmp

        Filesize

        4.7MB

      • memory/1076-81-0x0000000000400000-0x00000000008B2000-memory.dmp

        Filesize

        4.7MB

      • memory/1076-83-0x0000000000400000-0x00000000008B2000-memory.dmp

        Filesize

        4.7MB

      • memory/1076-85-0x0000000000400000-0x00000000008B2000-memory.dmp

        Filesize

        4.7MB

      • memory/1076-87-0x000000000087EFFE-mapping.dmp

      • memory/1076-90-0x0000000000400000-0x00000000008B2000-memory.dmp

        Filesize

        4.7MB

      • memory/1076-92-0x0000000000400000-0x00000000008B2000-memory.dmp

        Filesize

        4.7MB

      • memory/1076-93-0x0000000005FB0000-0x00000000061F4000-memory.dmp

        Filesize

        2.3MB

      • memory/1368-59-0x0000000000000000-mapping.dmp

      • memory/1368-62-0x000000006F170000-0x000000006F71B000-memory.dmp

        Filesize

        5.7MB

      • memory/1368-63-0x000000006F170000-0x000000006F71B000-memory.dmp

        Filesize

        5.7MB

      • memory/1368-61-0x000000006F170000-0x000000006F71B000-memory.dmp

        Filesize

        5.7MB

      • memory/1604-107-0x0000000000400000-0x00000000007CE000-memory.dmp

        Filesize

        3.8MB

      • memory/1604-113-0x000000000068A488-mapping.dmp

      • memory/1604-120-0x0000000000400000-0x00000000007CE000-memory.dmp

        Filesize

        3.8MB

      • memory/1604-119-0x00000000002C0000-0x00000000002CA000-memory.dmp

        Filesize

        40KB

      • memory/1604-118-0x00000000002C0000-0x00000000002CA000-memory.dmp

        Filesize

        40KB

      • memory/1604-100-0x0000000000400000-0x00000000007CE000-memory.dmp

        Filesize

        3.8MB

      • memory/1604-101-0x0000000000400000-0x00000000007CE000-memory.dmp

        Filesize

        3.8MB

      • memory/1604-103-0x0000000000400000-0x00000000007CE000-memory.dmp

        Filesize

        3.8MB

      • memory/1604-105-0x0000000000400000-0x00000000007CE000-memory.dmp

        Filesize

        3.8MB

      • memory/1604-117-0x0000000000400000-0x00000000007CE000-memory.dmp

        Filesize

        3.8MB

      • memory/1604-109-0x0000000000400000-0x00000000007CE000-memory.dmp

        Filesize

        3.8MB

      • memory/1604-110-0x0000000000400000-0x00000000007CE000-memory.dmp

        Filesize

        3.8MB

      • memory/1604-112-0x0000000000400000-0x00000000007CE000-memory.dmp

        Filesize

        3.8MB

      • memory/1604-115-0x0000000000400000-0x00000000007CE000-memory.dmp

        Filesize

        3.8MB

      • memory/2040-58-0x0000000005270000-0x0000000005302000-memory.dmp

        Filesize

        584KB

      • memory/2040-54-0x0000000000FD0000-0x0000000001006000-memory.dmp

        Filesize

        216KB

      • memory/2040-55-0x0000000076041000-0x0000000076043000-memory.dmp

        Filesize

        8KB

      • memory/2040-56-0x0000000005460000-0x0000000005500000-memory.dmp

        Filesize

        640KB

      • memory/2040-57-0x0000000004F70000-0x0000000004FCA000-memory.dmp

        Filesize

        360KB