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Analysis

  • max time kernel
    149s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 22:13

General

  • Target

    061a3793a685845faa831e978a157cd62de65d8b88ebbcc3437f6d8560e5d837.exe

  • Size

    1.0MB

  • MD5

    4904115ffc4d10ac6804132dc4e1c3c2

  • SHA1

    7b8dc7072f0ffcda7b8148f83d88c0c6356a601c

  • SHA256

    061a3793a685845faa831e978a157cd62de65d8b88ebbcc3437f6d8560e5d837

  • SHA512

    ee55d701182bf91da3ced32b1df5c2efddf4c59aae85cf2624a09f6b68bcc4f47bc205a6e35404b649601944984253a8dc79753a929a4b06be4656c834c08270

  • SSDEEP

    24576:Bg3tuuiNxt18zAa0BvdViiTz1zB1xnalvW:ituui/tuH0bVlSlvW

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 5 IoCs

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

  • Loads dropped DLL 2 IoCs
  • 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
  • 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\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1260
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1424
        • C:\Users\Admin\AppData\Local\Temp\061a3793a685845faa831e978a157cd62de65d8b88ebbcc3437f6d8560e5d837.exe
          "C:\Users\Admin\AppData\Local\Temp\061a3793a685845faa831e978a157cd62de65d8b88ebbcc3437f6d8560e5d837.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Loads dropped DLL
          • 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:900
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1396

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\gcapi.dll

          Filesize

          62KB

          MD5

          82331d322adf2d0d07363549012f7104

          SHA1

          b423195a39b3e91978d8ebfe8a23d40cffd561f6

          SHA256

          e1b7b081a51ce54a27b1b0bdf8c661e956ec3ae32d6c547c21c49b4e914b27bb

          SHA512

          b7392a74c981828c309e111181e9e10dc7e252e6bb821e631cc93ba789db58aee145416ae453e710601c6cb839299b304b2166f1950155dd73b10c798a746160

        • \Users\Admin\AppData\Local\Temp\gtapi.dll

          Filesize

          73KB

          MD5

          64f15c1e67d305bf5522ece465019b50

          SHA1

          c54d95b98dd0f32adccb46e1030d13ca81ea9aae

          SHA256

          bdc0326c2864498243657cc2c76d31816c208f5b159f0991b3698f093cf64619

          SHA512

          74710ce2f6473b61176c31a180c973b0ad39b6159772de13eb3fd9f0c40864884687ee47bd9e67c6667702f7a8c02c2f5f79e0e19a2a3d6b369e7246a03fb8c6

        • memory/900-54-0x0000000076071000-0x0000000076073000-memory.dmp

          Filesize

          8KB

        • memory/900-55-0x0000000000400000-0x00000000006A3000-memory.dmp

          Filesize

          2.6MB

        • memory/900-56-0x0000000002230000-0x00000000032BE000-memory.dmp

          Filesize

          16.6MB

        • memory/900-58-0x00000000002C0000-0x00000000002C2000-memory.dmp

          Filesize

          8KB

        • memory/900-57-0x0000000002230000-0x00000000032BE000-memory.dmp

          Filesize

          16.6MB

        • memory/900-61-0x00000000046A0000-0x00000000046A2000-memory.dmp

          Filesize

          8KB

        • memory/900-62-0x0000000000400000-0x00000000006A3000-memory.dmp

          Filesize

          2.6MB

        • memory/900-63-0x0000000002230000-0x00000000032BE000-memory.dmp

          Filesize

          16.6MB

        • memory/900-64-0x00000000002C0000-0x00000000002C2000-memory.dmp

          Filesize

          8KB

        • memory/900-65-0x00000000046A0000-0x00000000046A2000-memory.dmp

          Filesize

          8KB