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Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 04:03

General

  • Target

    b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6.exe

  • Size

    260KB

  • MD5

    6e262f942aa819fe4555bc41df893c60

  • SHA1

    ebcbdece979ecdb400e2dfe2a101ed15a8a1de25

  • SHA256

    b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6

  • SHA512

    736a5547b4c953d052575f959830f447a9a8f55d817cefa1704b1ec1e2a4f934ece18041d6ca10f28c4f245b384840e4388da4bb7520be64d6f3773000d85cbd

  • SSDEEP

    6144:wj16JTe7QDT1lC7H0q6k+RCoXe8xrubntZ8u:m8JC8DT1lsHZv4BekEtZh

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
  • Executes dropped EXE 2 IoCs
  • UPX packed file 4 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 35 IoCs

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

  • Suspicious use of SetThreadContext 2 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 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1204
        • C:\Users\Admin\AppData\Local\Temp\b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6.exe
          "C:\Users\Admin\AppData\Local\Temp\b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6.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
          • Suspicious use of SetThreadContext
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:1760
          • C:\Users\Admin\AppData\Local\Temp\b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6.exe
            "C:\Users\Admin\AppData\Local\Temp\b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6.exe"
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious behavior: RenamesItself
            • Suspicious use of WriteProcessMemory
            PID:568
            • C:\Windows\SysWOW64\calc.exe
              "C:\Windows\SysWOW64\calc.exe"
              4⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1648
            • C:\Windows\SysWOW64\svchost.exe
              "C:\Windows\SysWOW64\svchost.exe"
              4⤵
              • Adds Run key to start application
              • Enumerates connected drives
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:848
              • C:\Windows\SysWOW64\notepad.exe
                "C:\Windows\SysWOW64\notepad.exe"
                5⤵
                • Adds Run key to start application
                • Enumerates connected drives
                • Suspicious use of AdjustPrivilegeToken
                PID:1568
            • C:\Users\Admin\AppData\Local\Temp\b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6.exe
              "C:\Users\Admin\AppData\Local\Temp\b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:880
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1176

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6.exe

          Filesize

          260KB

          MD5

          6e262f942aa819fe4555bc41df893c60

          SHA1

          ebcbdece979ecdb400e2dfe2a101ed15a8a1de25

          SHA256

          b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6

          SHA512

          736a5547b4c953d052575f959830f447a9a8f55d817cefa1704b1ec1e2a4f934ece18041d6ca10f28c4f245b384840e4388da4bb7520be64d6f3773000d85cbd

        • C:\Users\Admin\AppData\Local\Temp\b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6.exe

          Filesize

          260KB

          MD5

          6e262f942aa819fe4555bc41df893c60

          SHA1

          ebcbdece979ecdb400e2dfe2a101ed15a8a1de25

          SHA256

          b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6

          SHA512

          736a5547b4c953d052575f959830f447a9a8f55d817cefa1704b1ec1e2a4f934ece18041d6ca10f28c4f245b384840e4388da4bb7520be64d6f3773000d85cbd

        • \Users\Admin\AppData\Local\Temp\b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6.exe

          Filesize

          260KB

          MD5

          6e262f942aa819fe4555bc41df893c60

          SHA1

          ebcbdece979ecdb400e2dfe2a101ed15a8a1de25

          SHA256

          b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6

          SHA512

          736a5547b4c953d052575f959830f447a9a8f55d817cefa1704b1ec1e2a4f934ece18041d6ca10f28c4f245b384840e4388da4bb7520be64d6f3773000d85cbd

        • \Users\Admin\AppData\Local\Temp\b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6.exe

          Filesize

          260KB

          MD5

          6e262f942aa819fe4555bc41df893c60

          SHA1

          ebcbdece979ecdb400e2dfe2a101ed15a8a1de25

          SHA256

          b9605f80ee0f224142ca3d2f614d618c64eb7d351ea21f95bc7d56fed56e69e6

          SHA512

          736a5547b4c953d052575f959830f447a9a8f55d817cefa1704b1ec1e2a4f934ece18041d6ca10f28c4f245b384840e4388da4bb7520be64d6f3773000d85cbd

        • memory/568-72-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

        • memory/568-103-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

        • memory/568-111-0x0000000000330000-0x0000000000377000-memory.dmp

          Filesize

          284KB

        • memory/568-73-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

        • memory/568-70-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

        • memory/568-64-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

        • memory/568-65-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

        • memory/568-67-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

        • memory/568-69-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

        • memory/848-134-0x0000000000120000-0x000000000016E000-memory.dmp

          Filesize

          312KB

        • memory/848-145-0x0000000000120000-0x000000000016E000-memory.dmp

          Filesize

          312KB

        • memory/848-105-0x0000000000080000-0x00000000000A9000-memory.dmp

          Filesize

          164KB

        • memory/848-122-0x0000000000120000-0x000000000016E000-memory.dmp

          Filesize

          312KB

        • memory/848-357-0x0000000000120000-0x000000000016E000-memory.dmp

          Filesize

          312KB

        • memory/848-127-0x0000000000120000-0x000000000016E000-memory.dmp

          Filesize

          312KB

        • memory/880-97-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/880-110-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/880-139-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/880-117-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/880-116-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/880-106-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/880-95-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/880-102-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/880-99-0x0000000000400000-0x000000000044E000-memory.dmp

          Filesize

          312KB

        • memory/1568-90-0x0000000000080000-0x00000000000A9000-memory.dmp

          Filesize

          164KB

        • memory/1568-91-0x0000000000080000-0x00000000000A9000-memory.dmp

          Filesize

          164KB

        • memory/1568-133-0x0000000000120000-0x000000000016E000-memory.dmp

          Filesize

          312KB

        • memory/1568-140-0x0000000000120000-0x000000000016E000-memory.dmp

          Filesize

          312KB

        • memory/1568-92-0x0000000000080000-0x00000000000A9000-memory.dmp

          Filesize

          164KB

        • memory/1568-152-0x0000000000120000-0x000000000016E000-memory.dmp

          Filesize

          312KB

        • memory/1568-359-0x0000000000120000-0x000000000016E000-memory.dmp

          Filesize

          312KB

        • memory/1568-109-0x0000000000080000-0x00000000000A9000-memory.dmp

          Filesize

          164KB

        • memory/1568-93-0x0000000000080000-0x00000000000A9000-memory.dmp

          Filesize

          164KB

        • memory/1648-358-0x00000000002D0000-0x000000000031E000-memory.dmp

          Filesize

          312KB

        • memory/1648-107-0x0000000000080000-0x0000000000082000-memory.dmp

          Filesize

          8KB

        • memory/1648-126-0x00000000002D0000-0x000000000031E000-memory.dmp

          Filesize

          312KB

        • memory/1648-149-0x00000000002D0000-0x000000000031E000-memory.dmp

          Filesize

          312KB

        • memory/1648-360-0x0000000000308000-0x000000000030A000-memory.dmp

          Filesize

          8KB

        • memory/1648-137-0x00000000002D0000-0x000000000031E000-memory.dmp

          Filesize

          312KB

        • memory/1648-79-0x0000000000080000-0x0000000000082000-memory.dmp

          Filesize

          8KB

        • memory/1648-131-0x00000000002D0000-0x000000000031E000-memory.dmp

          Filesize

          312KB

        • memory/1760-62-0x00000000001F0000-0x00000000001F2000-memory.dmp

          Filesize

          8KB

        • memory/1760-57-0x0000000001FD0000-0x000000000305E000-memory.dmp

          Filesize

          16.6MB

        • memory/1760-54-0x0000000075931000-0x0000000075933000-memory.dmp

          Filesize

          8KB

        • memory/1760-58-0x00000000001F0000-0x00000000001F2000-memory.dmp

          Filesize

          8KB

        • memory/1760-56-0x0000000000400000-0x0000000000447000-memory.dmp

          Filesize

          284KB

        • memory/1760-101-0x0000000001FD0000-0x000000000305E000-memory.dmp

          Filesize

          16.6MB

        • memory/1760-60-0x0000000004340000-0x0000000004342000-memory.dmp

          Filesize

          8KB

        • memory/1760-55-0x0000000001FD0000-0x000000000305E000-memory.dmp

          Filesize

          16.6MB

        • memory/1760-59-0x0000000073E51000-0x0000000073E53000-memory.dmp

          Filesize

          8KB

        • memory/1760-96-0x0000000000400000-0x0000000000447000-memory.dmp

          Filesize

          284KB

        • memory/1760-61-0x0000000001FD0000-0x000000000305E000-memory.dmp

          Filesize

          16.6MB