Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/12/2024, 21:26

General

  • Target

    adf6d812baf46f880321d9b29118b4bd7bedbd45176116acef58f41698e8d95cN.exe

  • Size

    65KB

  • MD5

    58e88fba39accc5c19cdbbbbd30000a0

  • SHA1

    295d7866efc37c819db9e500a79b885291168609

  • SHA256

    adf6d812baf46f880321d9b29118b4bd7bedbd45176116acef58f41698e8d95c

  • SHA512

    9843b795dc04bb1b8dab03ab94c65b9c6db16b77697a3d5d9513b1dbdd075c9afa9f289ad8c1d355ec4093c26d169572eb33b77a346361f4c165d22b8aad9051

  • SSDEEP

    1536:HI5JXboI22PUL17ptqVLUnonxZ3XUIuNvkCQv:HwXbB22PWNtqRXnLHUHo

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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1096
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Users\Admin\AppData\Local\Temp\adf6d812baf46f880321d9b29118b4bd7bedbd45176116acef58f41698e8d95cN.exe
            "C:\Users\Admin\AppData\Local\Temp\adf6d812baf46f880321d9b29118b4bd7bedbd45176116acef58f41698e8d95cN.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:2196
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1988

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\koyd.exe

            Filesize

            97KB

            MD5

            d94bb604e79eb0723e22f86ae4bb1c13

            SHA1

            ced76995f4664388c5b08d35022ac7c50747f5bd

            SHA256

            61b35cb4d0f7f9457efce1909a037cc3f914f524377f84c4293996e88491c2b2

            SHA512

            2fb10029dcd097a2778660ced6f5d86dff06a56902f5305b821ca435782867bc875b21eaafbd311fdb23c5134d9ad09c1c64f9e8ea5ea424907f83135cd91e53

          • memory/1096-18-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/2196-35-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-39-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-4-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-8-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-9-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-11-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-5-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-7-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-12-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-10-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-29-0x0000000004020000-0x0000000004021000-memory.dmp

            Filesize

            4KB

          • memory/2196-26-0x0000000004020000-0x0000000004021000-memory.dmp

            Filesize

            4KB

          • memory/2196-31-0x0000000003ED0000-0x0000000003ED2000-memory.dmp

            Filesize

            8KB

          • memory/2196-25-0x0000000003ED0000-0x0000000003ED2000-memory.dmp

            Filesize

            8KB

          • memory/2196-2-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-32-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-33-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-34-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2196-36-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-6-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-40-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-38-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-43-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-45-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-56-0x00000000035C0000-0x00000000035C1000-memory.dmp

            Filesize

            4KB

          • memory/2196-59-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2196-58-0x0000000003ED0000-0x0000000003ED2000-memory.dmp

            Filesize

            8KB

          • memory/2196-57-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2196-60-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-61-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-65-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-66-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-71-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-74-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-75-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-78-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-79-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-82-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2196-1-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2196-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB