Analysis

  • max time kernel
    28s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 02:32

General

  • Target

    746c0fe86591053f1ea725fcab7565f35e68a478df0986c90348d6b3b55b378aN.dll

  • Size

    120KB

  • MD5

    e8a27bee4e760df95630308d2a2abac0

  • SHA1

    09c3a329b9ebe953204d33789e3720656685a113

  • SHA256

    746c0fe86591053f1ea725fcab7565f35e68a478df0986c90348d6b3b55b378a

  • SHA512

    2670fa60b05786c13fc65136ec5050b102d48349e10d2c1e92b005e14a6a440f1d38c28bbc9bca79548b2f4d68a9d9b27afc428aadc332c9f4e02d420971bb57

  • SSDEEP

    1536:d0XABLeJknstOt4MbTwMCpp/S6dep8CmohOP0R1hYUWU0mgy/eF0PymPXfnlP3ZM:TWMMy4YwMupK6H2W0fejmPXfnlPJM

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 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\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\746c0fe86591053f1ea725fcab7565f35e68a478df0986c90348d6b3b55b378aN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2556
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\746c0fe86591053f1ea725fcab7565f35e68a478df0986c90348d6b3b55b378aN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2372
              • C:\Users\Admin\AppData\Local\Temp\f7688fe.exe
                C:\Users\Admin\AppData\Local\Temp\f7688fe.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:1664
              • C:\Users\Admin\AppData\Local\Temp\f768e5b.exe
                C:\Users\Admin\AppData\Local\Temp\f768e5b.exe
                4⤵
                • Executes dropped EXE
                PID:2840
              • C:\Users\Admin\AppData\Local\Temp\f76a499.exe
                C:\Users\Admin\AppData\Local\Temp\f76a499.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:2804
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:844

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            94c3f4410ead0c01518b8ec676cdbddc

            SHA1

            d85d1eb0218fc5b37ddbb1a6ff8c0e31912ae427

            SHA256

            d839c99f18cb167d09965a0da7b011b5ac6883356c7f252d216e71cd61430f96

            SHA512

            876755bfeeb31b9046eff76ba743d725a0ee50bca2395f9050feb90ae8498371d8c7611dafe12b26da9ac06bba9a06e8ee81a1d263ce6160822cf5b385714051

          • \Users\Admin\AppData\Local\Temp\f7688fe.exe

            Filesize

            97KB

            MD5

            a75a1d639b9313538aea2685dd7fd72d

            SHA1

            eec408517006da9f16d5f41d7b327b26c00e57a6

            SHA256

            a06a57e457092a0cbc22cc4778eb8ed4739561f700eecdea7a10432218f6574a

            SHA512

            4f195525198478b0feabb909e1849a671cc993a2b90425aa436e05612130dc8f40869d0d3753771a90a36ab1690ca9230ffe6adb603f04879185f5d4758395e6

          • memory/1108-27-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/1664-59-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-21-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-13-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-16-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-19-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-14-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-63-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-20-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-18-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-17-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-15-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-11-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-46-0x0000000000430000-0x0000000000432000-memory.dmp

            Filesize

            8KB

          • memory/1664-47-0x0000000000430000-0x0000000000432000-memory.dmp

            Filesize

            8KB

          • memory/1664-62-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1664-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1664-148-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-61-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-87-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-85-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-84-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-60-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-82-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-44-0x0000000000440000-0x0000000000441000-memory.dmp

            Filesize

            4KB

          • memory/1664-79-0x0000000000430000-0x0000000000432000-memory.dmp

            Filesize

            8KB

          • memory/1664-66-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/1664-65-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2372-56-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2372-55-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2372-8-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/2372-80-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2372-75-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2372-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2372-35-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2372-36-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/2372-38-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/2372-54-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2372-77-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2804-107-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2804-199-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-200-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2804-164-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-165-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2804-105-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2840-103-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2840-126-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2840-99-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2840-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2840-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2840-98-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB