Analysis

  • max time kernel
    96s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 04:00

General

  • Target

    bfb23d93226861e0261e0be2bda53f342e9cc5642fa7070171a5bea166034155.exe

  • Size

    1.8MB

  • MD5

    0c729c324cac412fcb9913c4ce8c9d61

  • SHA1

    c4c40bbd58bad94b6b44ed948dafda0a10ef71fb

  • SHA256

    bfb23d93226861e0261e0be2bda53f342e9cc5642fa7070171a5bea166034155

  • SHA512

    55730bbf750b35437a810f2d24ff7c2ce217f50799b428f4aeb048a5ff6a8813b6635bcf92496ab2676f1e807d1f3ba116026b2889f9ab668d99c0fbde84e02d

  • SSDEEP

    49152:sbTC9RxKCnFnQXBbrtgb/iQvu0UHOaYmLCS:s6zxvWbrtUTrUHO27

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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
  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in Windows directory 1 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:760
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:768
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2496
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2516
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2800
              • C:\Users\Admin\AppData\Local\Temp\bfb23d93226861e0261e0be2bda53f342e9cc5642fa7070171a5bea166034155.exe
                "C:\Users\Admin\AppData\Local\Temp\bfb23d93226861e0261e0be2bda53f342e9cc5642fa7070171a5bea166034155.exe"
                1⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Loads dropped DLL
                • Windows security modification
                • Checks whether UAC is enabled
                • 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:400

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Roaming\Temp\mydll.dll

                Filesize

                388KB

                MD5

                8d7db101a7211fe3309dc4dc8cf2dd0a

                SHA1

                6c2781eadf53b3742d16dab2f164baf813f7ac85

                SHA256

                93db7c9699594caa19490280842fbebec3877278c92128b92e63d75fcd01397a

                SHA512

                8b139d447068519997f7bbc2c7c2fe3846b89ae1fba847258277c9ab92a93583b28fae7ffa444768929ed5852cc914c0270446cbf0bd20aca49bde6b6f809c83

              • memory/400-0-0x0000000000400000-0x000000000044D000-memory.dmp

                Filesize

                308KB

              • memory/400-1-0x0000000002370000-0x00000000033FE000-memory.dmp

                Filesize

                16.6MB

              • memory/400-4-0x0000000002370000-0x00000000033FE000-memory.dmp

                Filesize

                16.6MB

              • memory/400-15-0x0000000002370000-0x00000000033FE000-memory.dmp

                Filesize

                16.6MB

              • memory/400-3-0x0000000002370000-0x00000000033FE000-memory.dmp

                Filesize

                16.6MB

              • memory/400-16-0x0000000002370000-0x00000000033FE000-memory.dmp

                Filesize

                16.6MB

              • memory/400-18-0x0000000000400000-0x000000000044D000-memory.dmp

                Filesize

                308KB

              • memory/400-5-0x0000000010000000-0x0000000010015000-memory.dmp

                Filesize

                84KB