Analysis

  • max time kernel
    150s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 15:51

General

  • Target

    00f10706214ffba9f09ee63a75ae7d9604ffd0b46fa1bf84591eedc8644143d6.exe

  • Size

    97KB

  • MD5

    05943185a5f18fd20089089f9f6dc97c

  • SHA1

    d65808923c71b857d332536eab00abb7e313c5ec

  • SHA256

    00f10706214ffba9f09ee63a75ae7d9604ffd0b46fa1bf84591eedc8644143d6

  • SHA512

    dbc743237cca39f48039f3d3ad2d10725cbd55d09e6426dcc23f4c60d4419796904a9d0e78237b968346b85f7cac42a1a097e9696e763e4d95bf493f9c533029

  • SSDEEP

    1536:7Co60GCYvYDHSMZgVnot1gxYCJBbjGZC0rKMn4Ir555PH:6rCYGHP/t123bjGZznzh/

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 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 3 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

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

  • 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1232
      • C:\Users\Admin\AppData\Local\Temp\00f10706214ffba9f09ee63a75ae7d9604ffd0b46fa1bf84591eedc8644143d6.exe
        "C:\Users\Admin\AppData\Local\Temp\00f10706214ffba9f09ee63a75ae7d9604ffd0b46fa1bf84591eedc8644143d6.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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:272
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1196
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1132

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/272-54-0x00000000754F1000-0x00000000754F3000-memory.dmp

          Filesize

          8KB

        • memory/272-55-0x0000000000630000-0x00000000016EA000-memory.dmp

          Filesize

          16.7MB

        • memory/272-56-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/272-57-0x0000000074D21000-0x0000000074D23000-memory.dmp

          Filesize

          8KB

        • memory/272-58-0x0000000000630000-0x00000000016EA000-memory.dmp

          Filesize

          16.7MB

        • memory/272-59-0x0000000000290000-0x0000000000292000-memory.dmp

          Filesize

          8KB

        • memory/272-60-0x0000000004120000-0x0000000004122000-memory.dmp

          Filesize

          8KB

        • memory/272-62-0x0000000000290000-0x0000000000292000-memory.dmp

          Filesize

          8KB

        • memory/272-61-0x0000000000630000-0x00000000016EA000-memory.dmp

          Filesize

          16.7MB

        • memory/272-63-0x0000000004120000-0x0000000004122000-memory.dmp

          Filesize

          8KB