Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 03:30

General

  • Target

    9a1b9a44890abdd765e4cf6ca8a21d8e1142660c9a0e52ba518d05fd5465d7f9N.exe

  • Size

    1.6MB

  • MD5

    974e4e672f8863730e928c5d9dddbd00

  • SHA1

    5b8278e0f12434188e921220f4546e78ae4e8476

  • SHA256

    9a1b9a44890abdd765e4cf6ca8a21d8e1142660c9a0e52ba518d05fd5465d7f9

  • SHA512

    5ac892a393ec44f304d966f514b45eb70497b0bb2a958354e06d121b59bf7f3cbc5c0ca2446cae1c689dbb08ae572eb54f6e05ac1528b3e7b9b51099d5cd805b

  • SSDEEP

    49152:3PTlJDWxFp4ooqVbpKCnCO27fGp7wbnW3N:3pJqNoqjYBGYW3N

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1128
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Users\Admin\AppData\Local\Temp\9a1b9a44890abdd765e4cf6ca8a21d8e1142660c9a0e52ba518d05fd5465d7f9N.exe
            "C:\Users\Admin\AppData\Local\Temp\9a1b9a44890abdd765e4cf6ca8a21d8e1142660c9a0e52ba518d05fd5465d7f9N.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Identifies VirtualBox via ACPI registry values (likely anti-VM)
            • Checks BIOS information in registry
            • Identifies Wine through registry keys
            • Windows security modification
            • Checks whether UAC is enabled
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2092
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1764

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1128-18-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2092-32-0x00000000040B0000-0x00000000040B2000-memory.dmp

            Filesize

            8KB

          • memory/2092-8-0x00000000023C0000-0x000000000347A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-30-0x0000000004100000-0x0000000004101000-memory.dmp

            Filesize

            4KB

          • memory/2092-26-0x00000000040B0000-0x00000000040B2000-memory.dmp

            Filesize

            8KB

          • memory/2092-27-0x0000000004100000-0x0000000004101000-memory.dmp

            Filesize

            4KB

          • memory/2092-9-0x00000000023C0000-0x000000000347A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-6-0x00000000023C0000-0x000000000347A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-10-0x00000000023C0000-0x000000000347A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-11-0x00000000023C0000-0x000000000347A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-0-0x0000000000400000-0x00000000007B8000-memory.dmp

            Filesize

            3.7MB

          • memory/2092-5-0x00000000023C0000-0x000000000347A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-4-0x00000000023C0000-0x000000000347A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-7-0x00000000023C0000-0x000000000347A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-2-0x00000000023C0000-0x000000000347A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-12-0x00000000023C0000-0x000000000347A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-34-0x0000000000400000-0x00000000007B8000-memory.dmp

            Filesize

            3.7MB

          • memory/2092-33-0x0000000000400000-0x00000000007B8000-memory.dmp

            Filesize

            3.7MB

          • memory/2092-37-0x00000000040B0000-0x00000000040B2000-memory.dmp

            Filesize

            8KB

          • memory/2092-35-0x00000000023C0000-0x000000000347A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-53-0x00000000023C0000-0x000000000347A000-memory.dmp

            Filesize

            16.7MB

          • memory/2092-52-0x0000000000400000-0x00000000007B8000-memory.dmp

            Filesize

            3.7MB