Analysis

  • max time kernel
    15s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 07:42

General

  • Target

    2024-12-20_919fd9bca2e1771bd599f08b60984a36_xiaoba.exe

  • Size

    4.9MB

  • MD5

    919fd9bca2e1771bd599f08b60984a36

  • SHA1

    404d1583c6c8662f2afc003deb7d270c585670c8

  • SHA256

    62d9396786af0ef79b4decd091f2263eb323e3649cac9aba2dd30658afc4a43b

  • SHA512

    386fcfb247657774f72c09a7afd24aa6ed93bfa4fd5c2a3e89d904d6d74bf2ca3e4f771605dc944f83f3133580dca7332ff857b298f0afae56cbace2b0f06387

  • SSDEEP

    49152:qB890byazXfiJhI8Fx82VixxkkmYR//+k6qHu/NhoFpdu+CszhQ1T81/SOIaf/dA:uNfzvmI6Voxk6RVpdu+C+qKRuGU7

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 4 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • UPX packed file 14 IoCs

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

  • Drops file in Windows directory 1 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\2024-12-20_919fd9bca2e1771bd599f08b60984a36_xiaoba.exe
            "C:\Users\Admin\AppData\Local\Temp\2024-12-20_919fd9bca2e1771bd599f08b60984a36_xiaoba.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • 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:2604
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:324

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1116-12-0x0000000002000000-0x0000000002002000-memory.dmp

            Filesize

            8KB

          • memory/2604-528-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-3-0x00000000024D0000-0x000000000355E000-memory.dmp

            Filesize

            16.6MB

          • memory/2604-6-0x00000000024D0000-0x000000000355E000-memory.dmp

            Filesize

            16.6MB

          • memory/2604-0-0x0000000000400000-0x00000000008EA000-memory.dmp

            Filesize

            4.9MB

          • memory/2604-9-0x00000000024D0000-0x000000000355E000-memory.dmp

            Filesize

            16.6MB

          • memory/2604-11-0x00000000024D0000-0x000000000355E000-memory.dmp

            Filesize

            16.6MB

          • memory/2604-8-0x00000000024D0000-0x000000000355E000-memory.dmp

            Filesize

            16.6MB

          • memory/2604-5-0x00000000024D0000-0x000000000355E000-memory.dmp

            Filesize

            16.6MB

          • memory/2604-7-0x00000000024D0000-0x000000000355E000-memory.dmp

            Filesize

            16.6MB

          • memory/2604-23-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2604-22-0x00000000002A0000-0x00000000002A1000-memory.dmp

            Filesize

            4KB

          • memory/2604-20-0x00000000002A0000-0x00000000002A1000-memory.dmp

            Filesize

            4KB

          • memory/2604-19-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2604-4-0x00000000024D0000-0x000000000355E000-memory.dmp

            Filesize

            16.6MB

          • memory/2604-10-0x00000000024D0000-0x000000000355E000-memory.dmp

            Filesize

            16.6MB

          • memory/2604-526-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-26-0x00000000024D0000-0x000000000355E000-memory.dmp

            Filesize

            16.6MB

          • memory/2604-28-0x0000000076E50000-0x0000000076E97000-memory.dmp

            Filesize

            284KB

          • memory/2604-27-0x00000000024D0000-0x000000000355E000-memory.dmp

            Filesize

            16.6MB

          • memory/2604-522-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-8040-0x0000000000400000-0x00000000008EA000-memory.dmp

            Filesize

            4.9MB

          • memory/2604-24-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2604-25-0x00000000024D0000-0x000000000355E000-memory.dmp

            Filesize

            16.6MB

          • memory/2604-520-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-544-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-550-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-519-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-548-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-556-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-554-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-552-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-546-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-542-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-540-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-538-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-537-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-534-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-532-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-530-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-4582-0x00000000024D0000-0x000000000355E000-memory.dmp

            Filesize

            16.6MB

          • memory/2604-7994-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2604-524-0x0000000004D80000-0x0000000004E91000-memory.dmp

            Filesize

            1.1MB

          • memory/2604-8039-0x00000000024D0000-0x000000000355E000-memory.dmp

            Filesize

            16.6MB