Analysis

  • max time kernel
    120s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2025 19:43

General

  • Target

    7c8a3985052cd8e8053f42d6173e81f4f98f67b7b27f38de1441e03741c9f689.exe

  • Size

    97KB

  • MD5

    90de0de24c48c326fc46485652e8e15f

  • SHA1

    60f6439208d303080f96c39fc438ed29e3c84e1b

  • SHA256

    7c8a3985052cd8e8053f42d6173e81f4f98f67b7b27f38de1441e03741c9f689

  • SHA512

    2b3870b5df6fe64b5cbe917bc12d071dd986f7a2c047218ef2bb36902ed9fe154b026a7207a336b8382b1f3d9710270a6cf2a3e809247761ba54d3f44b1163fa

  • SSDEEP

    1536:MfRUxQPRCRpYUAeQQQJ+CnWofqKWUHgfT+pDtqAJzWV5ywiHlu1Cp:MSxMksUilWKWUGKfJ65ywi4sp

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
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 29 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Users\Admin\AppData\Local\Temp\7c8a3985052cd8e8053f42d6173e81f4f98f67b7b27f38de1441e03741c9f689.exe
            "C:\Users\Admin\AppData\Local\Temp\7c8a3985052cd8e8053f42d6173e81f4f98f67b7b27f38de1441e03741c9f689.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • 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:1748
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:836

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\mjpekf.exe

            Filesize

            97KB

            MD5

            a25a076523cf24d7b723afb81cc8f5de

            SHA1

            86c8090b35d07f6fd005eb2ef21315650991d3c6

            SHA256

            7393935a85ae44b61b741c78dbadbf2e166b2afbbda93fd4eec4429a27e60496

            SHA512

            477ef50f52e45e48e34c11ba5bc56ddc7da96d9f9fccddc7ca829a00ade37057455def703991261f06da42c7d5225901ca1b24f8cb35ea5dba08db9cc8faf38e

          • memory/1112-18-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/1748-34-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-72-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-1-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-31-0x0000000002F50000-0x0000000002F52000-memory.dmp

            Filesize

            8KB

          • memory/1748-30-0x0000000002F50000-0x0000000002F52000-memory.dmp

            Filesize

            8KB

          • memory/1748-29-0x0000000004040000-0x0000000004041000-memory.dmp

            Filesize

            4KB

          • memory/1748-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1748-26-0x0000000002F50000-0x0000000002F52000-memory.dmp

            Filesize

            8KB

          • memory/1748-7-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-5-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-12-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-4-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-3-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-10-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-6-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-9-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-32-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-36-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-27-0x0000000004040000-0x0000000004041000-memory.dmp

            Filesize

            4KB

          • memory/1748-11-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-33-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-38-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-39-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-40-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-42-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-44-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-45-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-46-0x0000000002F50000-0x0000000002F52000-memory.dmp

            Filesize

            8KB

          • memory/1748-62-0x00000000041E0000-0x00000000041E2000-memory.dmp

            Filesize

            8KB

          • memory/1748-61-0x00000000041E0000-0x00000000041E2000-memory.dmp

            Filesize

            8KB

          • memory/1748-60-0x0000000004F30000-0x0000000004F31000-memory.dmp

            Filesize

            4KB

          • memory/1748-48-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-65-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-68-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-35-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-75-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-76-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-79-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-8-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB