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Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    11/06/2024, 19:24

General

  • Target

    1f1938a605ff56372c28630cb55c4a02e049b09d934ba5f04f49061554b55dd8.dll

  • Size

    120KB

  • MD5

    47f5bf2e4238b6f1e2105fcb2269ec4f

  • SHA1

    b79a7e4eea19250b9fcfedb32573392c5c2d5c6d

  • SHA256

    1f1938a605ff56372c28630cb55c4a02e049b09d934ba5f04f49061554b55dd8

  • SHA512

    db548483c4fe5a5e1541b689cc262ae182e4eadc4e470a663fcc9132da12e4c0bc1e0064386fcaf043170bcfd9ad04d70e87cd86366c420c52c3efd26f7d845d

  • SSDEEP

    1536:SnLMSGyaAGkzx1jV3SD9RwAfIpb8XLtiTFTv98pij/QrLqtX00Y6jOSTi:eMSGvV2x1j43Hfcb8XhiTtKpiUEVFi

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

Signatures

  • Modifies firewall policy service 2 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 24 IoCs
  • UPX dump on OEP (original entry point) 27 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 24 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 17 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f1938a605ff56372c28630cb55c4a02e049b09d934ba5f04f49061554b55dd8.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1340
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f1938a605ff56372c28630cb55c4a02e049b09d934ba5f04f49061554b55dd8.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2264
              • C:\Users\Admin\AppData\Local\Temp\f760c31.exe
                C:\Users\Admin\AppData\Local\Temp\f760c31.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2132
              • C:\Users\Admin\AppData\Local\Temp\f760dd6.exe
                C:\Users\Admin\AppData\Local\Temp\f760dd6.exe
                4⤵
                • Executes dropped EXE
                PID:2700
              • C:\Users\Admin\AppData\Local\Temp\f7627db.exe
                C:\Users\Admin\AppData\Local\Temp\f7627db.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:1988
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1308

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            10f3dc21d088749bc2ce497cc086fc92

            SHA1

            deb951f0250a07be83d5d7e60cd1eb55b2b48772

            SHA256

            8977f763a8f8bc237fe0b1c8d5a0452672c14c4191ec2b6d501f578373b568c9

            SHA512

            1dc625e9d25e21a9534282832842925e2e1f3bc9b6479dc6ffcae089fa9426a5602f3dad21e8325893d82bcbb710b14bae6b5e6c49e0d4f69959e1ea8881ebff

          • \Users\Admin\AppData\Local\Temp\f760c31.exe

            Filesize

            97KB

            MD5

            e7c30f603212e22fb89b1d45e5e9675a

            SHA1

            55114fe2835b6e84457bac6df39c17899ce87cee

            SHA256

            fb2eaaba5e9989387b8b46b24c230712e8465ec8770f458e0a2d44823b9cf47e

            SHA512

            b82147139f00988163f5db4f747f16113a396508be17dd358ea1bd908a921d3ee024282140550dd3f93f2a38d53c66df852a021ca088a484bbda5ab0980c144c

          • memory/1116-29-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/1988-213-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1988-212-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1988-175-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/1988-104-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1988-105-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/1988-107-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2132-52-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2132-69-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2132-51-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2132-13-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-49-0x0000000002F50000-0x0000000002F51000-memory.dmp

            Filesize

            4KB

          • memory/2132-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2132-157-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-15-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-17-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-23-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-20-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-18-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-127-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2132-114-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-19-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-21-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-16-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-66-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-65-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-67-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-22-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-68-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-71-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-72-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-84-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-86-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2132-88-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2264-63-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2264-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2264-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2264-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2264-39-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2264-38-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2264-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2264-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2264-60-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2264-48-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2700-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2700-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2700-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2700-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2700-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB