Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2024, 03:34

General

  • Target

    3ad879c2b2800ab4bbea43589d2673efbde2f870b2273509eab9eaf040c9728aN.dll

  • Size

    120KB

  • MD5

    817e9dacb5b8773238380f76e4348180

  • SHA1

    bb8a2ebe6d1b0f3b4eea17fc3f7aee6705af727d

  • SHA256

    3ad879c2b2800ab4bbea43589d2673efbde2f870b2273509eab9eaf040c9728a

  • SHA512

    edde71ba00211057e7a614e3fe8a24aef8bd3e185306329dff1015b491c8ecda5d25a18802e36449a491df516c2f08524f246d8837864b5140abd5e6c8479c35

  • SSDEEP

    1536:xZoPPJtIPlmNZ2VfcLBMHRRbnoBaZEoaUQH4oZ3x3Ej5A0m7Mb3fVT1B:GhttNZ2CLa/bnoQioaUP+44Wt1B

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 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 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:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1220
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ad879c2b2800ab4bbea43589d2673efbde2f870b2273509eab9eaf040c9728aN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2616
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ad879c2b2800ab4bbea43589d2673efbde2f870b2273509eab9eaf040c9728aN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1960
              • C:\Users\Admin\AppData\Local\Temp\f76dbce.exe
                C:\Users\Admin\AppData\Local\Temp\f76dbce.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:2012
              • C:\Users\Admin\AppData\Local\Temp\f76dd93.exe
                C:\Users\Admin\AppData\Local\Temp\f76dd93.exe
                4⤵
                • Executes dropped EXE
                PID:2552
              • C:\Users\Admin\AppData\Local\Temp\f76f7c7.exe
                C:\Users\Admin\AppData\Local\Temp\f76f7c7.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:1944
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:632

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\f76dbce.exe

                  Filesize

                  97KB

                  MD5

                  1533ebac136efa69caa3cc580643f172

                  SHA1

                  a031ed4833fa6f7a9442df63688c4c932fbbef4c

                  SHA256

                  b6bef51c4b617dfc72802416539bfa58f25a8650fd665f0932d11f77ab88463f

                  SHA512

                  e4b8521396b6d466480dbf255daa9bc0749c7acb48f9c67838fb4b2e4c4a3070d15daebbdf9538f7e4e1659e3de904d0612205214a9b5a22285beb4a73d9e8de

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  9fd6f8cae4f01d8a3cb1c329adb1c9e1

                  SHA1

                  aa6329430ede3d78d0330fcb666993bc309ea3da

                  SHA256

                  7bdc33295e8fd86fe67cc80008d5c54cf854d6e510a8ba7f1fbe315d8d0d1e36

                  SHA512

                  207006078ae0182b746da6a1b428553a721f1341d2b86257be7bd8618b24cf2ca13de1524e25b12a5c45422eea8b6a03d696b02c9eb973559dd1d7021e860407

                • memory/1100-31-0x0000000000350000-0x0000000000352000-memory.dmp

                  Filesize

                  8KB

                • memory/1944-87-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1944-109-0x00000000003F0000-0x00000000003F1000-memory.dmp

                  Filesize

                  4KB

                • memory/1944-213-0x0000000000920000-0x00000000019DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1944-112-0x0000000000360000-0x0000000000362000-memory.dmp

                  Filesize

                  8KB

                • memory/1944-110-0x0000000000360000-0x0000000000362000-memory.dmp

                  Filesize

                  8KB

                • memory/1944-214-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1944-171-0x0000000000920000-0x00000000019DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1960-82-0x00000000001E0000-0x00000000001E2000-memory.dmp

                  Filesize

                  8KB

                • memory/1960-4-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1960-12-0x00000000001B0000-0x00000000001C2000-memory.dmp

                  Filesize

                  72KB

                • memory/1960-2-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1960-13-0x00000000001B0000-0x00000000001C2000-memory.dmp

                  Filesize

                  72KB

                • memory/1960-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                  Filesize

                  8KB

                • memory/1960-41-0x00000000001F0000-0x00000000001F1000-memory.dmp

                  Filesize

                  4KB

                • memory/1960-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1960-0-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1960-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                  Filesize

                  8KB

                • memory/1960-86-0x00000000001B0000-0x00000000001B2000-memory.dmp

                  Filesize

                  8KB

                • memory/1960-52-0x00000000001F0000-0x00000000001F1000-memory.dmp

                  Filesize

                  4KB

                • memory/1960-63-0x0000000000210000-0x0000000000222000-memory.dmp

                  Filesize

                  72KB

                • memory/1960-40-0x00000000001E0000-0x00000000001E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2012-17-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-90-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-24-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-50-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-51-0x0000000000390000-0x0000000000391000-memory.dmp

                  Filesize

                  4KB

                • memory/2012-67-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-69-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-70-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-68-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-71-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-73-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-74-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-25-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-88-0x0000000000380000-0x0000000000382000-memory.dmp

                  Filesize

                  8KB

                • memory/2012-62-0x0000000000380000-0x0000000000382000-memory.dmp

                  Filesize

                  8KB

                • memory/2012-14-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2012-89-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-20-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-92-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-94-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-18-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-21-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-54-0x0000000000380000-0x0000000000382000-memory.dmp

                  Filesize

                  8KB

                • memory/2012-19-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-23-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-22-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-157-0x0000000000630000-0x00000000016EA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2012-156-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2552-133-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB

                • memory/2552-111-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB

                • memory/2552-105-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB

                • memory/2552-188-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2552-104-0x0000000000230000-0x0000000000231000-memory.dmp

                  Filesize

                  4KB

                • memory/2552-66-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB