Analysis

  • max time kernel
    28s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 12:49

General

  • Target

    83f9f1cd4b25aa29f5e16cc4653e9abf5829b66834432b73efe08dd11f8af982N.dll

  • Size

    120KB

  • MD5

    0296f4c4571770a27ef47e6e9ebb77c0

  • SHA1

    4767d5c5d0403b5391f10d8d894facb5998904c1

  • SHA256

    83f9f1cd4b25aa29f5e16cc4653e9abf5829b66834432b73efe08dd11f8af982

  • SHA512

    6805de5110e3bb42386ea2200587efae27f7edab8ec604dc2098db1f844fca56354debe03b62814d0b78f464b6dbb19867c8efa546b0e2e90840e0f409993e6e

  • SSDEEP

    1536:oIk4YHGQqSawz/sYmZ1E3Hr88kJ408qEFCaEb/wf/8tfNMhnhILQIG2EzH6:a4Hv7wLs5QAEObof//nhILQIgH6

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 9 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 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 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 3 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\83f9f1cd4b25aa29f5e16cc4653e9abf5829b66834432b73efe08dd11f8af982N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2040
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\83f9f1cd4b25aa29f5e16cc4653e9abf5829b66834432b73efe08dd11f8af982N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2600
              • C:\Users\Admin\AppData\Local\Temp\f76baa8.exe
                C:\Users\Admin\AppData\Local\Temp\f76baa8.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:1736
              • C:\Users\Admin\AppData\Local\Temp\f76bc3d.exe
                C:\Users\Admin\AppData\Local\Temp\f76bc3d.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
                • System policy modification
                PID:2256
              • C:\Users\Admin\AppData\Local\Temp\f76d6ee.exe
                C:\Users\Admin\AppData\Local\Temp\f76d6ee.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:2972
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2032

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            a7d62ccf5a1a86b31fb298fcfea27018

            SHA1

            89880096a9a4940852811af961cce34667b76ff0

            SHA256

            f08974f9c6c87c0c14062223a9e724596c83b88c7a9976d654390711f9cb0922

            SHA512

            6a9c4efa872f9fc7de71e63b64254e68253050415d33f2866053685f1e1743cc296459bd0fadcec73ecf4d4642c65edeb06673ab4309e4cfc8a1074aef539bdc

          • \Users\Admin\AppData\Local\Temp\f76baa8.exe

            Filesize

            97KB

            MD5

            a20e17d2206f0ec8db48ce5ebf727b64

            SHA1

            96e60cd76a600a65928d116483a30f8f13c87468

            SHA256

            42acc25368843142e32e1fe623075a7bce41c0c9dfdf81cc27db229e24d477a8

            SHA512

            1337eb5b54e5dbd0aea6e14c0701b634269e64f95015aee9f07b587e8437bbf9464c732fab25ee1387609a85f48582068dcf887d7d9dc0eac24ab6d682cab3f6

          • memory/1112-31-0x0000000002070000-0x0000000002072000-memory.dmp

            Filesize

            8KB

          • memory/1736-90-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-63-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1736-88-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-19-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-22-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-47-0x0000000002F10000-0x0000000002F11000-memory.dmp

            Filesize

            4KB

          • memory/1736-64-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-73-0x0000000002F00000-0x0000000002F02000-memory.dmp

            Filesize

            8KB

          • memory/1736-92-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-160-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-49-0x0000000002F00000-0x0000000002F02000-memory.dmp

            Filesize

            8KB

          • memory/1736-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1736-69-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-68-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-66-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-93-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-21-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-20-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-18-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-25-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-16-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-24-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-17-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-62-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-65-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-14-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-86-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2256-110-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2256-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2256-108-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2256-138-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2256-190-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2256-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2256-184-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2600-39-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2600-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2600-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2600-72-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2600-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2600-75-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB

          • memory/2600-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2600-51-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2600-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2600-60-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB

          • memory/2600-38-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2600-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2600-59-0x0000000000270000-0x0000000000282000-memory.dmp

            Filesize

            72KB

          • memory/2600-41-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2600-48-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2972-139-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2972-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2972-111-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2972-107-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2972-240-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB