Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 00:57

General

  • Target

    90b5b5bf95ed16b6421e277548958d530467255d2103f90205e2ea0d22a87f6eN.dll

  • Size

    120KB

  • MD5

    ff83b0fe3c633a55ac2979c57906efa0

  • SHA1

    99728bbeaed9b28b3d31aeb5a712cdcd82e3905c

  • SHA256

    90b5b5bf95ed16b6421e277548958d530467255d2103f90205e2ea0d22a87f6e

  • SHA512

    d25ccaf32a3dc83ec6ebaf3c1cb6ce358ecd4232f20e0dc9774fe27978a45fb82db9e9c336e29c7fd479573b1c291c7e8098c6c56c6d5d06cdc184a6764607bc

  • SSDEEP

    3072:aaIj887GmoiFVERhAyosKXvclZ08Gz1Jw7kU:aDPFV0Fos7Z0F/q

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 13 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\90b5b5bf95ed16b6421e277548958d530467255d2103f90205e2ea0d22a87f6eN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2068
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\90b5b5bf95ed16b6421e277548958d530467255d2103f90205e2ea0d22a87f6eN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2688
              • C:\Users\Admin\AppData\Local\Temp\f7703b8.exe
                C:\Users\Admin\AppData\Local\Temp\f7703b8.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:2772
              • C:\Users\Admin\AppData\Local\Temp\f77056d.exe
                C:\Users\Admin\AppData\Local\Temp\f77056d.exe
                4⤵
                • Executes dropped EXE
                PID:1632
              • C:\Users\Admin\AppData\Local\Temp\f771f72.exe
                C:\Users\Admin\AppData\Local\Temp\f771f72.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:2916
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1304

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            c1b372c3bbcfd3231785bdb14e17de0c

            SHA1

            d39aa2c0ce3ab63549c16f3d0983c043347a0bef

            SHA256

            972a7eb09eba183af4e6a4db167253a668e26e8877ee477998ba9d3cea210ec3

            SHA512

            72a89a882f700c315e37fe2762d7694fd32262f229b6caaeb308a6899776f804078d53d4af0e28622715b633f28f23028218d6799507e4dbdc5b37e84776cd04

          • \Users\Admin\AppData\Local\Temp\f7703b8.exe

            Filesize

            97KB

            MD5

            18ce9218177810ae7faaf2f6e78e5fed

            SHA1

            cd40f048835682f61bd7f74657488ef3c0fc35a8

            SHA256

            f2860b7fe376e24a722bb23fcb5bab946a1767782492fe2489b0e8dda05a6956

            SHA512

            c810dd0793b13797c23f7ce315bd5aa74383c2b85124a7390f17683d77c20f3d496ef62057133476638c7dd1f5c64b55ee31ee930bffb9be407fc1d8f738e4f6

          • memory/1112-22-0x0000000002010000-0x0000000002012000-memory.dmp

            Filesize

            8KB

          • memory/1632-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1632-94-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1632-122-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1632-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1632-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1632-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2688-77-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2688-56-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2688-70-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/2688-30-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2688-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2688-45-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2688-78-0x0000000000310000-0x0000000000322000-memory.dmp

            Filesize

            72KB

          • memory/2688-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2688-29-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2688-55-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2688-57-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2772-47-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/2772-85-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-50-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/2772-15-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-20-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-61-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-60-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-62-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-64-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-65-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-44-0x00000000004C0000-0x00000000004C1000-memory.dmp

            Filesize

            4KB

          • memory/2772-21-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-76-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/2772-19-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-82-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-83-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-84-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-18-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2772-13-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-16-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-145-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2772-14-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-11-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-106-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-108-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-110-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-17-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2772-146-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-103-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2916-104-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2916-105-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2916-162-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2916-171-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2916-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2916-201-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB