Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 15:44

General

  • Target

    e1f15bcc8dcc4deb98c900e94b3b05e18fc91a3575c006aa46e157ec2e921e92.exe

  • Size

    1.6MB

  • MD5

    eec2e9d94ba4eb58ff61c47b35114920

  • SHA1

    4f02e6786c5512fac6534bebad67af6ad0f74b93

  • SHA256

    e1f15bcc8dcc4deb98c900e94b3b05e18fc91a3575c006aa46e157ec2e921e92

  • SHA512

    2db66eb69503dcfb552488e35fc4a549f624d65d6548e4eadf92fb946b2b0d6a537b686090e4d587a5d932764e1f257bd95e4a739e98163851c04f8e0f09885b

  • SSDEEP

    49152:3PTlJDWxFp4ooqVbpKCnCO27fGp7wbnW3f:3pJqNoqjYBGYW3f

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 13 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 23 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Users\Admin\AppData\Local\Temp\e1f15bcc8dcc4deb98c900e94b3b05e18fc91a3575c006aa46e157ec2e921e92.exe
            "C:\Users\Admin\AppData\Local\Temp\e1f15bcc8dcc4deb98c900e94b3b05e18fc91a3575c006aa46e157ec2e921e92.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:1976
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1352

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1104-18-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/1976-32-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1976-5-0x0000000002310000-0x00000000033CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-27-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/1976-9-0x0000000002310000-0x00000000033CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-10-0x0000000002310000-0x00000000033CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-4-0x0000000002310000-0x00000000033CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-11-0x0000000002310000-0x00000000033CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-8-0x0000000002310000-0x00000000033CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-26-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1976-0-0x0000000000400000-0x00000000007B8000-memory.dmp

            Filesize

            3.7MB

          • memory/1976-53-0x0000000002310000-0x00000000033CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-6-0x0000000002310000-0x00000000033CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-2-0x0000000002310000-0x00000000033CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-7-0x0000000002310000-0x00000000033CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-12-0x0000000002310000-0x00000000033CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-33-0x0000000000400000-0x00000000007B8000-memory.dmp

            Filesize

            3.7MB

          • memory/1976-34-0x0000000000400000-0x00000000007B8000-memory.dmp

            Filesize

            3.7MB

          • memory/1976-35-0x0000000002310000-0x00000000033CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-36-0x0000000002310000-0x00000000033CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1976-47-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1976-52-0x0000000000400000-0x00000000007B8000-memory.dmp

            Filesize

            3.7MB

          • memory/1976-30-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB