Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2024 23:45

General

  • Target

    4c39bb2275db2a4c6097e4148cbd361053e6de1ea8dbc130c1d48c4a08d6ee0c.exe

  • Size

    1.4MB

  • MD5

    b20756fccb9892524bbb5e7bc0696270

  • SHA1

    a7e58afb98a20dd574084397bffe4127ee22efba

  • SHA256

    4c39bb2275db2a4c6097e4148cbd361053e6de1ea8dbc130c1d48c4a08d6ee0c

  • SHA512

    8e0f49a75de8096464ab14737720a9eded31da9ea46e7c010ed9c1af9064f5dcd857c1040f0d1c0f2f1d967aa05bede42546bb42e752c45e29baabc471ee7396

  • SSDEEP

    24576:KFOKu5gM+w0KGngcY6O2KD8xsL+CDleXlXxjJ8HXoEfRZq0DdWy2:zKu5B+lgWO21xSPDEXl9W3oE3RJWx

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 1 IoCs

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

  • UPX packed file 17 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Users\Admin\AppData\Local\Temp\4c39bb2275db2a4c6097e4148cbd361053e6de1ea8dbc130c1d48c4a08d6ee0c.exe
            "C:\Users\Admin\AppData\Local\Temp\4c39bb2275db2a4c6097e4148cbd361053e6de1ea8dbc130c1d48c4a08d6ee0c.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • 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:2096
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1576

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1100-6-0x0000000002070000-0x0000000002072000-memory.dmp

            Filesize

            8KB

          • memory/2096-34-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-1-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-35-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2096-15-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2096-19-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-20-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/2096-4-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-5-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-29-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2096-21-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-24-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-0-0x0000000000400000-0x0000000000567000-memory.dmp

            Filesize

            1.4MB

          • memory/2096-16-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/2096-3-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-23-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-104-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-22-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-105-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-106-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-108-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-107-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-110-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2096-190-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2096-198-0x0000000000400000-0x0000000000567000-memory.dmp

            Filesize

            1.4MB

          • memory/2096-199-0x0000000001E90000-0x0000000002F4A000-memory.dmp

            Filesize

            16.7MB