Analysis

  • max time kernel
    145s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29/10/2022, 17:08

General

  • Target

    5e403c2592bdfa4ea13b5a1090366738c7f3677b3aaf1ff4d3d93fafe3cdb1b1.exe

  • Size

    564KB

  • MD5

    83b7fc147c5afee43d1aa077a7a34fb0

  • SHA1

    935d876fae41b1500cf190f1d67626d82c4a3140

  • SHA256

    5e403c2592bdfa4ea13b5a1090366738c7f3677b3aaf1ff4d3d93fafe3cdb1b1

  • SHA512

    253dcb8c7e10d722e4612cb7cec6c8970481663544f3e8ccd8f1e3479f3fd699fccb448a167e12725314ecf8bc7ce6d7283ddafaa602cb34a14f59ed9aa2ed99

  • SSDEEP

    12288:eG1bVi4XLf83ZMrf+srOvzqF5+j+6QmZTP1j9Lwy45Gj:D1bViAjQZM7+srQg+j+jSL1j9jj

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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 3 IoCs

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

  • Loads dropped DLL 1 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 System32 directory 1 IoCs
  • 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\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1188
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1224
        • C:\Users\Admin\AppData\Local\Temp\5e403c2592bdfa4ea13b5a1090366738c7f3677b3aaf1ff4d3d93fafe3cdb1b1.exe
          "C:\Users\Admin\AppData\Local\Temp\5e403c2592bdfa4ea13b5a1090366738c7f3677b3aaf1ff4d3d93fafe3cdb1b1.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Loads dropped DLL
          • Windows security modification
          • Checks whether UAC is enabled
          • Enumerates connected drives
          • Drops autorun.inf file
          • Drops file in System32 directory
          • 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:1720
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1128

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • \Users\Admin\AppData\Local\Temp\GLC28B7.tmp

                Filesize

                144KB

                MD5

                acfcab119456b15bb70baceb81bd7e5f

                SHA1

                5db05f57795d1718d78d168aa6de07e252b8706e

                SHA256

                76c0a0aa1a6a2e050a24795d772ba598cf074a1bb4c8c62658b9e55dbf3a89bd

                SHA512

                f3203f665177d340a5494f5e59206b8f3a37bdef5ac457b06a144b1db9d8671764ed3536a1093799a8e5a37f4c0b829f75b9d5301f2018b534f9d72be8db1782

              • memory/1720-54-0x00000000765B1000-0x00000000765B3000-memory.dmp

                Filesize

                8KB

              • memory/1720-55-0x0000000001E00000-0x0000000002E8E000-memory.dmp

                Filesize

                16.6MB

              • memory/1720-56-0x0000000000400000-0x0000000000419000-memory.dmp

                Filesize

                100KB

              • memory/1720-57-0x0000000000020000-0x0000000000039000-memory.dmp

                Filesize

                100KB

              • memory/1720-58-0x0000000001E00000-0x0000000002E8E000-memory.dmp

                Filesize

                16.6MB

              • memory/1720-60-0x00000000003F0000-0x00000000003F2000-memory.dmp

                Filesize

                8KB

              • memory/1720-61-0x0000000004A50000-0x0000000004A52000-memory.dmp

                Filesize

                8KB

              • memory/1720-62-0x0000000001E00000-0x0000000002E8E000-memory.dmp

                Filesize

                16.6MB

              • memory/1720-63-0x00000000003F0000-0x00000000003F2000-memory.dmp

                Filesize

                8KB

              • memory/1720-64-0x0000000004A50000-0x0000000004A52000-memory.dmp

                Filesize

                8KB

              • memory/1720-65-0x0000000000400000-0x0000000000419000-memory.dmp

                Filesize

                100KB