Analysis

  • max time kernel
    150s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 08:23

General

  • Target

    e354f4144b3da580489d34ad94088d6ab91b90aa7768366382455aa156b2854e.exe

  • Size

    1.2MB

  • MD5

    1e8ccacf6de9a91cb093018b3aeeaac0

  • SHA1

    fdd584f787d39f5fca809f8d1aae3bf8f6bfacfd

  • SHA256

    e354f4144b3da580489d34ad94088d6ab91b90aa7768366382455aa156b2854e

  • SHA512

    67aef004ac0484fb1d248341d9fe4a385b1da0e3ea8abcf9e69afa35bc3ce8d16af74fb9fac658a7d89ace091db930afd6fc88bd4ac5df4b3884dcd9f1eb925a

  • SSDEEP

    24576:9GzOOuUNNBcL0PD5bLBrq4grC5gRsjdCBhQVIUFz1/gB9Ofi85h0StUrqNr:9lOLtgy3NKSj8OmGgBAa0ttUa

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.

  • 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 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1132
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\e354f4144b3da580489d34ad94088d6ab91b90aa7768366382455aa156b2854e.exe
            "C:\Users\Admin\AppData\Local\Temp\e354f4144b3da580489d34ad94088d6ab91b90aa7768366382455aa156b2854e.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 autorun.inf file
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1700

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\nso705.tmp\InstallOptions.dll

          Filesize

          14KB

          MD5

          325b008aec81e5aaa57096f05d4212b5

          SHA1

          27a2d89747a20305b6518438eff5b9f57f7df5c3

          SHA256

          c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

          SHA512

          18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

        • \Users\Admin\AppData\Local\Temp\nso705.tmp\System.dll

          Filesize

          11KB

          MD5

          c17103ae9072a06da581dec998343fc1

          SHA1

          b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

          SHA256

          dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

          SHA512

          d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

        • memory/1700-54-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

          Filesize

          8KB

        • memory/1700-55-0x0000000001CE0000-0x0000000002D6E000-memory.dmp

          Filesize

          16.6MB

        • memory/1700-57-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/1700-59-0x0000000001CE0000-0x0000000002D6E000-memory.dmp

          Filesize

          16.6MB

        • memory/1700-60-0x00000000044D0000-0x00000000044D2000-memory.dmp

          Filesize

          8KB

        • memory/1700-61-0x0000000004350000-0x0000000004352000-memory.dmp

          Filesize

          8KB

        • memory/1700-62-0x0000000001CE0000-0x0000000002D6E000-memory.dmp

          Filesize

          16.6MB

        • memory/1700-63-0x00000000044D0000-0x00000000044D2000-memory.dmp

          Filesize

          8KB

        • memory/1700-64-0x0000000004350000-0x0000000004352000-memory.dmp

          Filesize

          8KB

        • memory/1700-65-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB