Analysis

  • max time kernel
    30s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 18:04

General

  • Target

    8e80bb11df53637b07329de511c9dd72527af7993fff4d9aaa5a42dd480e011cN.dll

  • Size

    120KB

  • MD5

    228e12d233cc773fb509ac9a9d58c9a0

  • SHA1

    022875c8a951d5d686d61d58de1f11ad79cc62c9

  • SHA256

    8e80bb11df53637b07329de511c9dd72527af7993fff4d9aaa5a42dd480e011c

  • SHA512

    42dbf2714464dc30de95fe7138f788e1a236613b92727a30f988c9c90319674110016b9a2eb525ea741486bc34b9d279be87befb504108eaa0a36703022691d8

  • SSDEEP

    3072:dCdRMWG/xIvmTtFZXXLFRaoJNAIfoZQwAalNTaqn49k:ORRG/GvO3LSovjalNTzni

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 11 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 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 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:1204
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1288
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e80bb11df53637b07329de511c9dd72527af7993fff4d9aaa5a42dd480e011cN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1976
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e80bb11df53637b07329de511c9dd72527af7993fff4d9aaa5a42dd480e011cN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2568
              • C:\Users\Admin\AppData\Local\Temp\f76c1d9.exe
                C:\Users\Admin\AppData\Local\Temp\f76c1d9.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:2436
              • C:\Users\Admin\AppData\Local\Temp\f76c37e.exe
                C:\Users\Admin\AppData\Local\Temp\f76c37e.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 policy modification
                PID:2764
              • C:\Users\Admin\AppData\Local\Temp\f76e6d6.exe
                C:\Users\Admin\AppData\Local\Temp\f76e6d6.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
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2664
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1616

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            1KB

            MD5

            b360fa63134a63f9acfe046d2dfe10d9

            SHA1

            b47a7f2ad61c79e454b55e39b0d7500aca753a17

            SHA256

            03e0c6c4ca8a24f961477887763397045e67862e059f7494014aefc21891d40e

            SHA512

            575673255d389fc6667f46931301925bf4bb3030d7a3f6da3d3e7d878f86bb496ad6706e20191a1daa2e177cacda9b677424327bd9d438c1ad109c4222064102

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            5baa2ed7f6843cf813c976f152a0f5c3

            SHA1

            e3a68d5738f9e6a74ae8410f64d112fcf988a781

            SHA256

            7196fbe53c33a5a36c5a3ce1d1bd83dde3659707053049e3f231a5c78a1fc370

            SHA512

            c6072d00921cdd3f154bd7132e06889df814cccfde85ca8eb5237d370e815458a9a5d54c55ad54fb2e836713b182ff80ca43b23c64dbe77c4d26046909c79f9c

          • \Users\Admin\AppData\Local\Temp\f76c1d9.exe

            Filesize

            97KB

            MD5

            d310d670117b51dd88fa957438faba77

            SHA1

            32e3f2b78eb31e7b1c0bed1ae6e3392fa00213fa

            SHA256

            2a5d2886ec8dcacce20372d11104681967f073f5caba68f940e6a538c9fb5adb

            SHA512

            51e4b55e57fc3e420489273f9414deeeeb23159978b1348fa18a39cb13ca401e5b60445d9c7551158af6c70ba8502d2ebc7b828697058a91028fb85a50ae427d

          • memory/1112-28-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2436-66-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-67-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-22-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-15-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-14-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-16-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-20-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-18-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-21-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2436-51-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2436-48-0x0000000001930000-0x0000000001931000-memory.dmp

            Filesize

            4KB

          • memory/2436-19-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-72-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2436-17-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-108-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-107-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-69-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2436-63-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-64-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-65-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-13-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-155-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-85-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2436-68-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-47-0x00000000001A0000-0x00000000001A1000-memory.dmp

            Filesize

            4KB

          • memory/2568-37-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/2568-8-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2568-38-0x00000000001A0000-0x00000000001A1000-memory.dmp

            Filesize

            4KB

          • memory/2568-71-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/2568-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2568-59-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2568-60-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/2664-191-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2664-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2664-205-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2664-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2664-130-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2664-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2664-104-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2764-166-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2764-98-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2764-96-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2764-168-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2764-97-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2764-125-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2764-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB