Analysis

  • max time kernel
    81s
  • 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 18:09

General

  • Target

    b626852744a81ae1c4fcbc43c0138233d79b3b83841e30d3eb34ecdae18e7ee7N.dll

  • Size

    120KB

  • MD5

    0fccb2181251cf5eeb91d1f497203e10

  • SHA1

    765c549abc6734f68142b0c7f6740b6ce0624f57

  • SHA256

    b626852744a81ae1c4fcbc43c0138233d79b3b83841e30d3eb34ecdae18e7ee7

  • SHA512

    e25e004645223f1fafa6ca219535c87a6f511b42aef6cbf0fc0851eaed0fb157b59f9b5527b49a824502ca0bce7e4b32041c12d0a09b1970654c717d7d082b3d

  • SSDEEP

    3072:Uke3wL91sAvybFDYQF+Kxx7+3tyylmMIHl:S3wPyFXFj6Lt

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 26 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:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b626852744a81ae1c4fcbc43c0138233d79b3b83841e30d3eb34ecdae18e7ee7N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2392
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b626852744a81ae1c4fcbc43c0138233d79b3b83841e30d3eb34ecdae18e7ee7N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1892
              • C:\Users\Admin\AppData\Local\Temp\f76e8aa.exe
                C:\Users\Admin\AppData\Local\Temp\f76e8aa.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:2036
              • C:\Users\Admin\AppData\Local\Temp\f76ea5f.exe
                C:\Users\Admin\AppData\Local\Temp\f76ea5f.exe
                4⤵
                • Executes dropped EXE
                PID:2592
              • C:\Users\Admin\AppData\Local\Temp\f7706d4.exe
                C:\Users\Admin\AppData\Local\Temp\f7706d4.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:3048
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1604

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76e8aa.exe

            Filesize

            97KB

            MD5

            07efae511181c880c258498719467438

            SHA1

            96ab740b8d9c1d22cb034d320b1d0d4f4ca7e7c9

            SHA256

            62ae794f9f60b9a45a761c1f0162eb9ea0329a5003c1d8e51b6e1d4441947a89

            SHA512

            5f413c99d897b53a20fc5763cab345dc971ad6b7e38b7a1b38afd307b71052aaccaa5c427276371697813ed0ed0c42bdfc05c54e30bb48854c902258444f8a48

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            54c79afa7efcebec8b121703fc34296b

            SHA1

            db45f6e3157dd0f574b154c8ed9e2a8b47f67bd8

            SHA256

            d49647f510ea0d497e930a37d62845415705f166dee891aaeed6b503ca75b31b

            SHA512

            08c9180a175169bd84bc5be132e7d6eb27da0569910d533ad35ecc9257d4fe6ee691a7c9cdbcc6dc34961d3f708d0e2b60537931f9ac9ac0c590c4e3e72330fb

          • memory/1108-32-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/1892-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1892-58-0x0000000000150000-0x0000000000152000-memory.dmp

            Filesize

            8KB

          • memory/1892-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1892-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1892-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1892-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1892-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1892-39-0x0000000000150000-0x0000000000152000-memory.dmp

            Filesize

            8KB

          • memory/1892-40-0x0000000000290000-0x0000000000291000-memory.dmp

            Filesize

            4KB

          • memory/1892-61-0x0000000000150000-0x0000000000152000-memory.dmp

            Filesize

            8KB

          • memory/1892-48-0x0000000000290000-0x0000000000291000-memory.dmp

            Filesize

            4KB

          • memory/1892-60-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB

          • memory/2036-18-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-72-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-49-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2036-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2036-22-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-51-0x00000000005E0000-0x00000000005E2000-memory.dmp

            Filesize

            8KB

          • memory/2036-25-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-23-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-21-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-20-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-26-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-24-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-17-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-19-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-64-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-65-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-66-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-67-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-68-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-70-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-71-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-59-0x00000000005E0000-0x00000000005E2000-memory.dmp

            Filesize

            8KB

          • memory/2036-73-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2036-88-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-89-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-151-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-110-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2036-109-0x00000000006F0000-0x00000000017AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2592-98-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2592-106-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2592-180-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2592-104-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2592-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2592-127-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/3048-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/3048-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3048-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/3048-166-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3048-105-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/3048-208-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3048-207-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB