Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 14:16

General

  • Target

    33046d944ef5e45fc6d4c438f5e55d704c3a3c02f7e7c4e0e5812cecd1c31b87N.dll

  • Size

    120KB

  • MD5

    ca857c65c74be7586d428534ff8e2550

  • SHA1

    bfef2a4c283706975710dece2171879bdf206a7e

  • SHA256

    33046d944ef5e45fc6d4c438f5e55d704c3a3c02f7e7c4e0e5812cecd1c31b87

  • SHA512

    c2aca84c38905f0d1bd93b261fe71a41a5547a7881ed265f944df8c02c732416ffd5e098c7f88f7973eb4df5c906d36e6d71e144c8ad0c7fbcc95ff3d5e8d47b

  • SSDEEP

    3072:asaMi91/70x+Wv29dJ/Ql9DZeNe4pQLw:altyt28lDme4p4w

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 3 TTPs 6 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • UPX packed file 23 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1252
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\33046d944ef5e45fc6d4c438f5e55d704c3a3c02f7e7c4e0e5812cecd1c31b87N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1956
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\33046d944ef5e45fc6d4c438f5e55d704c3a3c02f7e7c4e0e5812cecd1c31b87N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2536
              • C:\Users\Admin\AppData\Local\Temp\f76cd9b.exe
                C:\Users\Admin\AppData\Local\Temp\f76cd9b.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
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:1960
              • C:\Users\Admin\AppData\Local\Temp\f76cf12.exe
                C:\Users\Admin\AppData\Local\Temp\f76cf12.exe
                4⤵
                • Executes dropped EXE
                PID:2888
              • C:\Users\Admin\AppData\Local\Temp\f76f103.exe
                C:\Users\Admin\AppData\Local\Temp\f76f103.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
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2668
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1656

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            bc77d3d234a5699c99759eac9a11eadb

            SHA1

            c7bf134a36e2ff1e131addcffd8f7902c38a2281

            SHA256

            5a8d7a39a0d6cee2c76f977c308229154ac59e4ef29ca5b7a4b764ee16962416

            SHA512

            92475222a2ad7365af59fa9930a82576d18d4806068cead50cdf399cf33752579248a69554626aaef91d50b544474dbe98f7690500b9bc3c555467642a70d00d

          • \Users\Admin\AppData\Local\Temp\f76cd9b.exe

            Filesize

            97KB

            MD5

            629351d19b7344f397b1841523958869

            SHA1

            720b7d7a06e3cc46bbc822a9dd81900249023453

            SHA256

            d90a36bbb3bd894e849b18d0bbc663c76eccbf1959a5e4f763e6a4d69d6127bd

            SHA512

            5a85ca714ab2ba5aa5c9a37c2cc67dc45d76a16a99964d70e07d0549e0e53b93d944d0a2c33d64d5ad8dba35b3473675ae3256529639466a9638a9adcc166697

          • memory/1104-28-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1960-46-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/1960-100-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-14-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-57-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1960-48-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1960-20-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-105-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-103-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-141-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-65-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-101-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-13-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-81-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1960-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-16-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-15-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-22-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-69-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1960-21-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-61-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-62-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-63-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1960-64-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/2536-58-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2536-38-0x00000000001E0000-0x00000000001E1000-memory.dmp

            Filesize

            4KB

          • memory/2536-71-0x0000000000760000-0x0000000000772000-memory.dmp

            Filesize

            72KB

          • memory/2536-70-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2536-37-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2536-7-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2536-55-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2536-8-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2536-59-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2536-40-0x00000000001E0000-0x00000000001E1000-memory.dmp

            Filesize

            4KB

          • memory/2668-198-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-99-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2668-97-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2668-98-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2668-167-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-199-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2888-91-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2888-145-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2888-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2888-93-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2888-92-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB