Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 08:41

General

  • Target

    485509dda9333d0ad16e6c0d1225050b5d0cb0a0679e65fc975a5e112f35f02b.dll

  • Size

    120KB

  • MD5

    838abb24c178957329df463b2d290190

  • SHA1

    eaeeb2bb4ace0380f1a52c8a2dc764abda478ba7

  • SHA256

    485509dda9333d0ad16e6c0d1225050b5d0cb0a0679e65fc975a5e112f35f02b

  • SHA512

    7d72af4a27d2924363114b83b6d4649e4b6a27f2e751224753e5a97d2d74a233fc5e1b3294a89cded2d77172e75a4119ad9e0d7ae29fb89cca467c29a5d5c7c1

  • SSDEEP

    3072:q3ffVls4afcD39BvXmECdDH1MM7+uKQnS1:q3f5C+3PpCf+uJS1

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 12 IoCs

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

  • UPX packed file 25 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\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1044
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1068
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1124
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\485509dda9333d0ad16e6c0d1225050b5d0cb0a0679e65fc975a5e112f35f02b.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2332
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\485509dda9333d0ad16e6c0d1225050b5d0cb0a0679e65fc975a5e112f35f02b.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2516
              • C:\Users\Admin\AppData\Local\Temp\f76cd7c.exe
                C:\Users\Admin\AppData\Local\Temp\f76cd7c.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:3012
              • C:\Users\Admin\AppData\Local\Temp\f76cf02.exe
                C:\Users\Admin\AppData\Local\Temp\f76cf02.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • 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:3004
              • C:\Users\Admin\AppData\Local\Temp\f76eaad.exe
                C:\Users\Admin\AppData\Local\Temp\f76eaad.exe
                4⤵
                • Executes dropped EXE
                PID:2216
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1956

          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\f76cd7c.exe

            Filesize

            97KB

            MD5

            929ebb3b25a3f8c4fcaaff8b6526d048

            SHA1

            b9f94f1b2b13f315cfa02f961131c581ed47df46

            SHA256

            d3414640928e93801c88d93c140a944dcfcf52cbe04a8f0973fa4098c14df3b0

            SHA512

            4865eeafbd21c46604ded8abd6670acad336a476649263d5186f253652bb7d55d3c440a2e890dad15009c9d3ee6daadf2321c2a799b1e94a46a925f922f2a6ea

          • memory/1044-29-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2216-108-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2216-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2216-198-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2216-171-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2216-110-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2516-78-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2516-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2516-60-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2516-10-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2516-79-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2516-80-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2516-46-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2516-37-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2516-36-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2516-84-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2516-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2516-53-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2516-59-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/3004-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3004-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3004-193-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-194-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3004-170-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/3004-129-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3004-100-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/3004-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3012-88-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-69-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/3012-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-47-0x0000000001720000-0x0000000001721000-memory.dmp

            Filesize

            4KB

          • memory/3012-50-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/3012-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-87-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-68-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-89-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-23-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-67-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-66-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-64-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-111-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-112-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-115-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-65-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-158-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3012-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-63-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-14-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-16-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-15-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB