Resubmissions

06-03-2024 12:24

240306-pk6hssaf3y 10

06-03-2024 12:15

240306-pe6llsae2w 1

06-03-2024 11:57

240306-n4tgxabd53 1

Analysis

  • max time kernel
    220s
  • max time network
    229s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    06-03-2024 12:24

Errors

Reason
Machine shutdown

General

  • Target

    NoMoreRansom.zip

  • Size

    916KB

  • MD5

    f315e49d46914e3989a160bbcfc5de85

  • SHA1

    99654bfeaad090d95deef3a2e9d5d021d2dc5f63

  • SHA256

    5cbb6442c47708558da29588e0d8ef0b34c4716be4a47e7c715ea844fbcf60d7

  • SHA512

    224747b15d0713afcb2641f8f3aa1687516d42e045d456b3ed096a42757a6c10c6626672366c9b632349cf6ffe41011724e6f4b684837de9b719d0f351dfd22e

  • SSDEEP

    24576:+FhIdZxByAl+XiqNk6n3DaeCTLD1yilc7KrBVw1lFVFDqE/zQRsAOfySS:AhAgo2ikhryLD1hcerklFVhqEMiAuySS

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • UPX packed file 24 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\NoMoreRansom.zip
    1⤵
      PID:4592
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:5000
      • C:\Users\Admin\Desktop\NoMoreRansom\[email protected]
        "C:\Users\Admin\Desktop\NoMoreRansom\[email protected]"
        1⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:5052
      • C:\Windows\system32\taskmgr.exe
        "C:\Windows\system32\taskmgr.exe" /4
        1⤵
        • Drops file in Windows directory
        • Checks SCSI registry key(s)
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:424
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x0 /state0:0xa3a9e055 /state1:0x41c64e6d
        1⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:1932

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Windows\csrss.exe

        Filesize

        1.4MB

        MD5

        63210f8f1dde6c40a7f3643ccf0ff313

        SHA1

        57edd72391d710d71bead504d44389d0462ccec9

        SHA256

        2aab13d49b60001de3aa47fb8f7251a973faa7f3c53a3840cdf5fd0b26e9a09f

        SHA512

        87a89e8ab85be150a783a9f8d41797cfa12f86fdccb48f2180c0498bfd2b1040b730dee4665fe2c83b98d436453680226051b7f1532e1c0e0cda0cf702e80a11

      • memory/1624-40-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1624-38-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1624-36-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1928-29-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1928-25-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/1928-23-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/4676-20-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/4676-26-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/4676-22-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-9-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-4-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-18-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-17-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-16-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-0-0x0000000002200000-0x00000000022CE000-memory.dmp

        Filesize

        824KB

      • memory/5052-5-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-19-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-32-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-33-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-3-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-2-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-1-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-42-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-44-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB

      • memory/5052-45-0x0000000000400000-0x00000000005DE000-memory.dmp

        Filesize

        1.9MB