Analysis

  • max time kernel
    75s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 11:51

General

  • Target

    fdc0cf40e1bb3321cfb33e694f42972bfbd3d6a5c5e8b145830ca5297a6b4572.dll

  • Size

    120KB

  • MD5

    674d167bf30a9a11461dfa44a805548c

  • SHA1

    f0b4f281bf7500dbf57073eee98f51290bfffd0f

  • SHA256

    fdc0cf40e1bb3321cfb33e694f42972bfbd3d6a5c5e8b145830ca5297a6b4572

  • SHA512

    3cb7981abb4214d4102770fc11236b9aab1c00e1bd267c373de908371c30df579bd17545e8157ea5bf090d262b713eeb2692052e56006a94e71549adc59ffccf

  • SSDEEP

    3072:n9Bbr5vUkIVK4oaTuOz7iPouoQBangsPyO44Ek:njbr5cznay7Ivag6y6

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 12 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 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:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\fdc0cf40e1bb3321cfb33e694f42972bfbd3d6a5c5e8b145830ca5297a6b4572.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1688
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fdc0cf40e1bb3321cfb33e694f42972bfbd3d6a5c5e8b145830ca5297a6b4572.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1628
              • C:\Users\Admin\AppData\Local\Temp\f779666.exe
                C:\Users\Admin\AppData\Local\Temp\f779666.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:2596
              • C:\Users\Admin\AppData\Local\Temp\f779914.exe
                C:\Users\Admin\AppData\Local\Temp\f779914.exe
                4⤵
                • Executes dropped EXE
                PID:3032
              • C:\Users\Admin\AppData\Local\Temp\f77b09a.exe
                C:\Users\Admin\AppData\Local\Temp\f77b09a.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:2484
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1576

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            43e836da2e503d7c95c287acb079cc54

            SHA1

            fd38caffa224b1558bf297b66e866a2248c28e64

            SHA256

            af4fad2b58f2a58b7e7ab365c088c0b45d37771de9d97e6a6e4196db1387cce5

            SHA512

            3d0c7fda402cec7bb7809198677d8d1184149a7f483b1584723454618bc7dd3734ca2eae0f0bd22b4d6825c0dff5ca0eb91aed2b724ff907c69be6a4ee86fd6c

          • \Users\Admin\AppData\Local\Temp\f779666.exe

            Filesize

            97KB

            MD5

            a3ef2714aa3bee8fbec3e99091f897ea

            SHA1

            9e0658d523b21c6a71cfd5ab44fd33a9a6dfa16d

            SHA256

            3743e8fea55fada092ae4af9acc99bcf79167058154262bdfa6cfbaf0d93860a

            SHA512

            72ef7eea5d3d8a4287a73652407b672234d3a8613f8cbc7ce9734819af082f5cd5ec39f382c6545d6ce1f3947f4a9e8540038865286d730d201874b7dd2a6d6f

          • memory/1112-24-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1628-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1628-33-0x0000000000710000-0x0000000000711000-memory.dmp

            Filesize

            4KB

          • memory/1628-11-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/1628-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1628-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1628-78-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1628-54-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1628-44-0x0000000000710000-0x0000000000711000-memory.dmp

            Filesize

            4KB

          • memory/1628-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1628-53-0x00000000007A0000-0x00000000007B2000-memory.dmp

            Filesize

            72KB

          • memory/1628-32-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1628-52-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2484-105-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2484-107-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2484-203-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2484-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2484-156-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2484-154-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2596-83-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2596-88-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-19-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-18-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-21-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-58-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2596-57-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2596-64-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-65-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-66-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-67-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-69-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-22-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-41-0x00000000004D0000-0x00000000004D1000-memory.dmp

            Filesize

            4KB

          • memory/2596-84-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-85-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-86-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-23-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-17-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-42-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-20-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2596-43-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-109-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-111-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-16-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2596-153-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3032-122-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3032-96-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/3032-97-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3032-98-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3032-56-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB