Analysis

  • max time kernel
    69s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 07:35

General

  • Target

    91acb64e5030c5fa6165821e4edd00a306558dc6b527d148342710505218a15d.dll

  • Size

    120KB

  • MD5

    c34fdea3cd0e389f9a84628f2ebc6839

  • SHA1

    406363031714a58a777b9c2c1ca367a950c4331e

  • SHA256

    91acb64e5030c5fa6165821e4edd00a306558dc6b527d148342710505218a15d

  • SHA512

    ccc9f75f4c8f411b10004f6518c7f14d0a391b08bcd55fd582af4c32273f4835b6137a89f59a0e273a122766feea283f40b448a00ace42bef6b52feab4448c72

  • SSDEEP

    1536:Toe7WY6FtLYMbhy4cCm59+NHIAy/zIC52cfl9V6dcvFezRq1Ktg/mm2gvV:TX7cFs4iV2SllQzM1Ktg/iU

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 17 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:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\91acb64e5030c5fa6165821e4edd00a306558dc6b527d148342710505218a15d.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2400
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\91acb64e5030c5fa6165821e4edd00a306558dc6b527d148342710505218a15d.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2396
              • C:\Users\Admin\AppData\Local\Temp\f770f2d.exe
                C:\Users\Admin\AppData\Local\Temp\f770f2d.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:2928
              • C:\Users\Admin\AppData\Local\Temp\f7710c3.exe
                C:\Users\Admin\AppData\Local\Temp\f7710c3.exe
                4⤵
                • Executes dropped EXE
                PID:2636
              • C:\Users\Admin\AppData\Local\Temp\f772b06.exe
                C:\Users\Admin\AppData\Local\Temp\f772b06.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:2628
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1500

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f770f2d.exe

            Filesize

            97KB

            MD5

            38a13fc361bd47e64cf638b98261deed

            SHA1

            739dd29b79c9a81a83d22bdf0b1dbffe17fc8929

            SHA256

            3e38344155ee350e69b2bc8b670f73931b8b06395d915f2bbd173f776c8abbce

            SHA512

            5518582ba551a14b6e0fca53436bbbc4635573412d103429b215fcdbf2cea287411cc48ba931e8e1d16e092956a373840e2ca4b0eb0f2ffedc74d5334985f278

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            e25d9890c04122a33e7d364d99e343e1

            SHA1

            60efe005d1f71e2ebfbf63dd82d46f6a541300e3

            SHA256

            6b09a17cea2a3a07edd037acafcb767af701d1e0a8cc12ed76737b690fa64e75

            SHA512

            6b01288299c858b7fee1fa3a1d385577bfe3e761df489bcee71895c76f05fc3317214e7d48b6498bf3309e0f8789dfa321c93745990f3aa154b587d4eb88e8af

          • memory/1112-30-0x00000000020F0000-0x00000000020F2000-memory.dmp

            Filesize

            8KB

          • memory/2396-62-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2396-85-0x0000000000260000-0x0000000000272000-memory.dmp

            Filesize

            72KB

          • memory/2396-55-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2396-87-0x0000000000260000-0x0000000000272000-memory.dmp

            Filesize

            72KB

          • memory/2396-38-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2396-9-0x0000000000190000-0x00000000001A2000-memory.dmp

            Filesize

            72KB

          • memory/2396-39-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2396-10-0x0000000000190000-0x00000000001A2000-memory.dmp

            Filesize

            72KB

          • memory/2396-86-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2396-61-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2396-48-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2396-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2396-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2628-110-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2628-111-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2628-112-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2628-175-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-176-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2628-214-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2628-215-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2636-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2636-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2636-109-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2636-103-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2636-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2636-131-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2928-19-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-67-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-68-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-69-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-71-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-72-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-73-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2928-66-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-65-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-24-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-89-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-90-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-92-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-23-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-51-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2928-52-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2928-49-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2928-18-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-22-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-113-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-20-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-157-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2928-15-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-16-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-21-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-17-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-13-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB