Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25-08-2024 09:33

General

  • Target

    c33456a586bc73c622adbc78e3a45980N.exe

  • Size

    65KB

  • MD5

    c33456a586bc73c622adbc78e3a45980

  • SHA1

    5368d086f56d708af7871f9d787e5e8f5f9e8503

  • SHA256

    b258abe4978c1ae02426d49957adf0a8923ca02a4950a3a04855b289e9563066

  • SHA512

    5f57ee13debe0ad4fb7d52a51c51c78f5678bd7f6a308a4cbffa73e1c78aa0c9c0d76b5e9bd28d1dd2c6e14cf42ec828064c8b631675796c640b0d7d31969ba4

  • SSDEEP

    1536:kc2EnBd/TskXcHPduMQRNkWQ89FgG6mAIJHADW2tKRXBCMRIN4Epa:kB0DswckhRhDvvAJW2t6RCMR84Ec

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.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 29 IoCs

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

  • 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.

  • 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 31 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1128
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Users\Admin\AppData\Local\Temp\c33456a586bc73c622adbc78e3a45980N.exe
            "C:\Users\Admin\AppData\Local\Temp\c33456a586bc73c622adbc78e3a45980N.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:3028
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1764

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\hpwn.exe

            Filesize

            97KB

            MD5

            ee8e6db07192a6b34d51166efb576ce6

            SHA1

            f2dd6140a9ce00eeafbc1095d3c5948472a39281

            SHA256

            502b613368522de21ca3273798f7fd5cc0550a3ad98dcbeca9f6acadba34bf1e

            SHA512

            7875efde12ca640edef9547def33b34cf35e662d34e3d10c58963afd8029cfefbbf905c090d06079fdc7f8c2480cd0b3e75b3072015ce4917d3f466389552c5c

          • memory/1128-18-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/3028-34-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-10-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-5-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-33-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-26-0x0000000003550000-0x0000000003551000-memory.dmp

            Filesize

            4KB

          • memory/3028-9-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-8-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-31-0x0000000001930000-0x0000000001932000-memory.dmp

            Filesize

            8KB

          • memory/3028-30-0x0000000001930000-0x0000000001932000-memory.dmp

            Filesize

            8KB

          • memory/3028-29-0x0000000003550000-0x0000000003551000-memory.dmp

            Filesize

            4KB

          • memory/3028-25-0x0000000001930000-0x0000000001932000-memory.dmp

            Filesize

            8KB

          • memory/3028-3-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-12-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-4-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-11-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-32-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3028-35-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-7-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-6-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-39-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-38-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-40-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-41-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-43-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-50-0x0000000001930000-0x0000000001932000-memory.dmp

            Filesize

            8KB

          • memory/3028-54-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-55-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-57-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-59-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-63-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-67-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-68-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-76-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-78-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-37-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/3028-135-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB