Analysis

  • max time kernel
    158s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2022 11:19

General

  • Target

    6e33bcbb29bb11b3e8cefc5abffbf00876b753d680eb025f3f9b669092206d56.exe

  • Size

    100KB

  • MD5

    6f4a0e59e31fcfa6a98a0dc2f09db882

  • SHA1

    9c34f3b0cf41eed658732e8e69fa5a2a6121874f

  • SHA256

    6e33bcbb29bb11b3e8cefc5abffbf00876b753d680eb025f3f9b669092206d56

  • SHA512

    ee344788461319b0612c56d95bbcfba790a12d82ef47822f56f33fa6917b9872cc878dd3e8f10bbd47bf4e71c118d66798a1f442b8a617508fca717a3d1e36ef

  • SSDEEP

    1536:PfqJWNFY4DgWmb2WgvaTCSY4d+a4yY3O1Otqn8GBCcdY747ipxKxV3P3oDKXE:Pfq8FzkeapY4d+qso8XcdYM7WeV33

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 autorun.inf file 1 TTPs 1 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 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 21 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e33bcbb29bb11b3e8cefc5abffbf00876b753d680eb025f3f9b669092206d56.exe
    "C:\Users\Admin\AppData\Local\Temp\6e33bcbb29bb11b3e8cefc5abffbf00876b753d680eb025f3f9b669092206d56.exe"
    1⤵
    • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:584
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1276
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1248
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1148

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/584-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

          Filesize

          8KB

        • memory/584-55-0x0000000001D60000-0x0000000002DEE000-memory.dmp

          Filesize

          16.6MB

        • memory/584-56-0x0000000074711000-0x0000000074713000-memory.dmp

          Filesize

          8KB

        • memory/584-57-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/584-58-0x0000000001D60000-0x0000000002DEE000-memory.dmp

          Filesize

          16.6MB

        • memory/584-59-0x0000000000300000-0x0000000000302000-memory.dmp

          Filesize

          8KB

        • memory/584-60-0x0000000002F40000-0x0000000002F42000-memory.dmp

          Filesize

          8KB

        • memory/584-61-0x0000000001D60000-0x0000000002DEE000-memory.dmp

          Filesize

          16.6MB

        • memory/584-62-0x0000000000300000-0x0000000000302000-memory.dmp

          Filesize

          8KB

        • memory/584-63-0x0000000002F40000-0x0000000002F42000-memory.dmp

          Filesize

          8KB