Analysis

  • max time kernel
    148s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 16:46

General

  • Target

    8c0ba41e6a19cb832702adcba40c6e2e2ae8f4e499e6c4d120b2e7a05a30f5d0.exe

  • Size

    100KB

  • MD5

    71caf3ac27dd605cd76c174aaea174d8

  • SHA1

    3ae54fe0b1804adc2880f891a97dde950054fdfc

  • SHA256

    8c0ba41e6a19cb832702adcba40c6e2e2ae8f4e499e6c4d120b2e7a05a30f5d0

  • SHA512

    80f99170aeb253d1416e947f8da4004c8925ed3e9ea4d50f0f790bf0c29c26f9eec092438eec39b3b6c19d6196ae4e4668cde9d97ec633d9b0892537d0ffaa23

  • SSDEEP

    1536:kHk49qAslpAc3dLQkc6WwLY7pP8cIbVd0T39JlzuqLKXRa8kmmzgRrCdH0ciY:2slpAc3dLzctwLnVdmJR7L+MAx0UHY

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 2 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 3 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 22 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1416
      • C:\Users\Admin\AppData\Local\Temp\8c0ba41e6a19cb832702adcba40c6e2e2ae8f4e499e6c4d120b2e7a05a30f5d0.exe
        "C:\Users\Admin\AppData\Local\Temp\8c0ba41e6a19cb832702adcba40c6e2e2ae8f4e499e6c4d120b2e7a05a30f5d0.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 Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:1480
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1368
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1228

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/1480-54-0x0000000076201000-0x0000000076203000-memory.dmp

                Filesize

                8KB

              • memory/1480-55-0x0000000001D50000-0x0000000002DDE000-memory.dmp

                Filesize

                16.6MB

              • memory/1480-56-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/1480-57-0x00000000745A1000-0x00000000745A3000-memory.dmp

                Filesize

                8KB

              • memory/1480-58-0x0000000001D50000-0x0000000002DDE000-memory.dmp

                Filesize

                16.6MB

              • memory/1480-59-0x0000000003780000-0x0000000003782000-memory.dmp

                Filesize

                8KB

              • memory/1480-60-0x00000000042B0000-0x00000000042B2000-memory.dmp

                Filesize

                8KB

              • memory/1480-61-0x0000000001D50000-0x0000000002DDE000-memory.dmp

                Filesize

                16.6MB

              • memory/1480-62-0x0000000003780000-0x0000000003782000-memory.dmp

                Filesize

                8KB

              • memory/1480-63-0x00000000042B0000-0x00000000042B2000-memory.dmp

                Filesize

                8KB