Analysis

  • max time kernel
    61s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 08:08

General

  • Target

    a8a02fc55694b31e5419e4ce2fb8378c8ca08eebcf3c027a951c16c3ca0a90bcN.exe

  • Size

    8.7MB

  • MD5

    76785c38b8b8f73f31669f8f8cfd9590

  • SHA1

    08112acb695f1750a6c0c89359c06a95db1ad0f0

  • SHA256

    a8a02fc55694b31e5419e4ce2fb8378c8ca08eebcf3c027a951c16c3ca0a90bc

  • SHA512

    b5c892891f18671892d73d831c6741960fc3c5da1e01b860c6d4997f288d660bd10af2d33eb464fdcdd76b0085ec7d6aafea2356fbf7e9af1306cc3f77448b67

  • SSDEEP

    196608:YuOLrHbhonFpnMau33bP4QbS4xdKsAhqfmrze+fvLSWmF1PDX0bwE:4r7K7May3bfbSE6qfmHPKFWH

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
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • UPX packed file 18 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1056
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1072
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1172
          • C:\Users\Admin\AppData\Local\Temp\a8a02fc55694b31e5419e4ce2fb8378c8ca08eebcf3c027a951c16c3ca0a90bcN.exe
            "C:\Users\Admin\AppData\Local\Temp\a8a02fc55694b31e5419e4ce2fb8378c8ca08eebcf3c027a951c16c3ca0a90bcN.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Loads dropped DLL
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • 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:2188
            • C:\Users\Admin\AppData\Local\Temp\is-T82K3.tmp\a8a02fc55694b31e5419e4ce2fb8378c8ca08eebcf3c027a951c16c3ca0a90bcN.tmp
              "C:\Users\Admin\AppData\Local\Temp\is-T82K3.tmp\a8a02fc55694b31e5419e4ce2fb8378c8ca08eebcf3c027a951c16c3ca0a90bcN.tmp" /SL5="$400F8,8473178,285184,C:\Users\Admin\AppData\Local\Temp\a8a02fc55694b31e5419e4ce2fb8378c8ca08eebcf3c027a951c16c3ca0a90bcN.exe"
              3⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:2604
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1412

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\is-T82K3.tmp\a8a02fc55694b31e5419e4ce2fb8378c8ca08eebcf3c027a951c16c3ca0a90bcN.tmp

            Filesize

            1.3MB

            MD5

            b996b877b1ce8a9503815d5df78193f1

            SHA1

            be6209fced6e8d02982873c0dae70f693bf9ba26

            SHA256

            5e3c856b900d3ace67783e37c7fd5bf7265bfab3b862baa7bb5f5443d2c75394

            SHA512

            3f1aa641ed9128caf22e9fef3774635ca0c16c3707952932b68f3afdb8857274f7492b0c3d35619930940951184a8ee9309641c17fe34e51088ec4ee1132a02b

          • memory/1056-24-0x0000000000500000-0x0000000000502000-memory.dmp

            Filesize

            8KB

          • memory/2188-33-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2188-73-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/2188-0-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/2188-15-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-10-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-17-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-37-0x0000000000550000-0x0000000000552000-memory.dmp

            Filesize

            8KB

          • memory/2188-16-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-14-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-6-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/2188-32-0x0000000000550000-0x0000000000552000-memory.dmp

            Filesize

            8KB

          • memory/2188-36-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/2188-13-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-35-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2188-12-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-1-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/2188-5-0x0000000000401000-0x0000000000411000-memory.dmp

            Filesize

            64KB

          • memory/2188-11-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-4-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-18-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-44-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-43-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-45-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-47-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-46-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-49-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-58-0x0000000000550000-0x0000000000552000-memory.dmp

            Filesize

            8KB

          • memory/2188-54-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-50-0x0000000001DA0000-0x0000000002E5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2604-52-0x0000000000400000-0x0000000000555000-memory.dmp

            Filesize

            1.3MB

          • memory/2604-42-0x0000000000400000-0x0000000000555000-memory.dmp

            Filesize

            1.3MB