Analysis

  • max time kernel
    74s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 17:20

General

  • Target

    55d21ca877b143c89354a369d903a367910d52424a70ea15eed29974fa4ed51cN.exe

  • Size

    65KB

  • MD5

    c76592c73b270d21a4958e38a73ff5c0

  • SHA1

    f59118b08233443e61218817feaf2c07a41ca741

  • SHA256

    55d21ca877b143c89354a369d903a367910d52424a70ea15eed29974fa4ed51c

  • SHA512

    17eecd2828f5ea6b418a0b763aa16d55ce63c84a576dd3569e6faae4e104c0d5b0f0ca84ac2c59bff411f7899a82ebdc3b2bcff075403b6c0fb7d8f1145cc6b2

  • SSDEEP

    1536:0Gh691Wb4UKME+beTEN//yq7SgHHOHcDkEADDun+A+j:0Gw98b4TMzyuKmu8DkLj

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 11 IoCs

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

  • UPX packed file 29 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 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Users\Admin\AppData\Local\Temp\55d21ca877b143c89354a369d903a367910d52424a70ea15eed29974fa4ed51cN.exe
            "C:\Users\Admin\AppData\Local\Temp\55d21ca877b143c89354a369d903a367910d52424a70ea15eed29974fa4ed51cN.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 Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1720
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1700

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1108-12-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/1720-33-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-66-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-18-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/1720-1-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-4-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-3-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-32-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-10-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-29-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/1720-28-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/1720-11-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-9-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-22-0x00000000002E0000-0x00000000002E1000-memory.dmp

            Filesize

            4KB

          • memory/1720-7-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-6-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-5-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-30-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-34-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-8-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-19-0x00000000002E0000-0x00000000002E1000-memory.dmp

            Filesize

            4KB

          • memory/1720-31-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-36-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-47-0x0000000004050000-0x0000000004052000-memory.dmp

            Filesize

            8KB

          • memory/1720-46-0x0000000004D70000-0x0000000004D71000-memory.dmp

            Filesize

            4KB

          • memory/1720-49-0x0000000004050000-0x0000000004052000-memory.dmp

            Filesize

            8KB

          • memory/1720-48-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/1720-50-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-51-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-52-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-55-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-57-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-59-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-60-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-63-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1720-67-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-68-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-71-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1720-94-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1720-95-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB