Analysis

  • max time kernel
    123s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 03:54

General

  • Target

    JaffaCakes118_03759e21a406ddf703d619f4ed587e90.exe

  • Size

    97KB

  • MD5

    03759e21a406ddf703d619f4ed587e90

  • SHA1

    4fb07ac3cd5bf7b766ad206c85b298eb8b4466b9

  • SHA256

    e4de21453eb0e8914d055c09df52078d9fe1027f56b732249e4ce439189c3d66

  • SHA512

    5a0f087e4b731d31e0328c7efb3be1ed19f9e0b36ef2affeeeecd302f06a7832a2a9714db4519fa1ead2c84d15e5754799e69fba51f7918470e8bd6c030f0ec5

  • SSDEEP

    1536:RxVvrnGoEF6rX4rmqec215UU4ui6/yiAgEnn7yjw3y:RxVvrGoGMs9ectU476YgEn/y

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 30 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1224
          • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03759e21a406ddf703d619f4ed587e90.exe
            "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03759e21a406ddf703d619f4ed587e90.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:2312
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1264

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\osav.exe

            Filesize

            97KB

            MD5

            fa81fd8afccb8ecae4d5a55bbd790067

            SHA1

            91a827f5ebd8cac60d9de015a5a900eb5c5db659

            SHA256

            2f6775ff61a7c8d99243bad65839e1a23e42cab1671c1b42b4fed7efe1470f52

            SHA512

            61d3dd741255578bd01b3d6213c49bd8798c723fdf84cd8ac4ebf6da962db2965e635255ec4fcdea6404e43573101dc4e8f0f308f2e7450d0580e02068968550

          • memory/1124-17-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2312-34-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-28-0x0000000004030000-0x0000000004031000-memory.dmp

            Filesize

            4KB

          • memory/2312-5-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-38-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-8-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-41-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-6-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-39-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-30-0x0000000003FE0000-0x0000000003FE2000-memory.dmp

            Filesize

            8KB

          • memory/2312-25-0x0000000004030000-0x0000000004031000-memory.dmp

            Filesize

            4KB

          • memory/2312-24-0x0000000003FE0000-0x0000000003FE2000-memory.dmp

            Filesize

            8KB

          • memory/2312-3-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-9-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-11-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-32-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-31-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-33-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-35-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2312-37-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-7-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-4-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-10-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-43-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-45-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-60-0x0000000003FD0000-0x0000000003FD1000-memory.dmp

            Filesize

            4KB

          • memory/2312-59-0x0000000000600000-0x0000000000602000-memory.dmp

            Filesize

            8KB

          • memory/2312-58-0x0000000003FE0000-0x0000000003FE2000-memory.dmp

            Filesize

            8KB

          • memory/2312-56-0x0000000000600000-0x0000000000602000-memory.dmp

            Filesize

            8KB

          • memory/2312-61-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-62-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-65-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-68-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-69-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-74-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-76-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-78-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-84-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-88-0x0000000000600000-0x0000000000602000-memory.dmp

            Filesize

            8KB

          • memory/2312-1-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2312-143-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB