Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 10:47

General

  • Target

    27e1e32462256dbac2d9424a13f2ba083255fc4810d2baaf276cd12482dd44f5N.dll

  • Size

    120KB

  • MD5

    fc800e7af06a725d097500a38222d720

  • SHA1

    6560b6b99711b8fb0c87dc3ad0c7f47ea1a7ce0b

  • SHA256

    27e1e32462256dbac2d9424a13f2ba083255fc4810d2baaf276cd12482dd44f5

  • SHA512

    32d88e7cfa180507fbc23293a129163626421f92903afbdef3f8225dc3f47b19df85d3fa8bf04aa527fbddc253d93e9067b5aff742a29133ace927ee11c3216c

  • SSDEEP

    3072:+XK5GMYqO3NT0aEO4eXXBQdzmKcuiYsqJ3frne:+0/uV3nXMZcuLV3frn

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 24 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:1032
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1048
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1112
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\27e1e32462256dbac2d9424a13f2ba083255fc4810d2baaf276cd12482dd44f5N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2268
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\27e1e32462256dbac2d9424a13f2ba083255fc4810d2baaf276cd12482dd44f5N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2688
              • C:\Users\Admin\AppData\Local\Temp\f769cfb.exe
                C:\Users\Admin\AppData\Local\Temp\f769cfb.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:2476
              • C:\Users\Admin\AppData\Local\Temp\f769eaf.exe
                C:\Users\Admin\AppData\Local\Temp\f769eaf.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:2840
              • C:\Users\Admin\AppData\Local\Temp\f76bd85.exe
                C:\Users\Admin\AppData\Local\Temp\f76bd85.exe
                4⤵
                • Executes dropped EXE
                PID:3036
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1420

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f769cfb.exe

            Filesize

            97KB

            MD5

            8235519fb109f89b832650647fe39530

            SHA1

            816b47d09190a4dde42872f54d76dce97e67d22f

            SHA256

            fd5f402d2461e5e2fa253d26a39923e2ff94f1d8005114679275fd97f51cde1e

            SHA512

            9bbe823a86394ef15a523ebb5346a2fab484e136d5adcd96bcf35aa1154b8f42c3c23323054bf6a9ab3cf39895b767e4e79a64db4d5a9bdcb1abe468722687f7

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            6041ea75b3dfc8f2a9d82f2e99d08984

            SHA1

            aebcbc05451d63ece46fbc0e7800f750c9b83527

            SHA256

            59c11801594ada505b7b2c1504f689d61b29126b80295b5ad56a3400e114e62f

            SHA512

            aba9159f66f3d67133725ecd58866474a39174931be7ab1de402a6cafd240436219253927cb5e017ae934ee8aff7c276481c84d26232d929f99d3907c1aadaf2

          • memory/1032-29-0x0000000001EA0000-0x0000000001EA2000-memory.dmp

            Filesize

            8KB

          • memory/2476-63-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-72-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-64-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-19-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-65-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2476-61-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2476-152-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-88-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-57-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2476-87-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-21-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-48-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2476-68-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-20-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-66-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-71-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2476-18-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-16-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-23-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-15-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-14-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-70-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-17-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-22-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2476-69-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2688-47-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2688-60-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2688-9-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2688-37-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2688-10-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2688-7-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2688-56-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2688-59-0x0000000000740000-0x0000000000752000-memory.dmp

            Filesize

            72KB

          • memory/2688-38-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2840-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2840-165-0x00000000009A0000-0x0000000001A5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-191-0x00000000009A0000-0x0000000001A5A000-memory.dmp

            Filesize

            16.7MB

          • memory/2840-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2840-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2840-126-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2840-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2840-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/3036-107-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3036-166-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3036-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3036-108-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3036-106-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/3036-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB