Analysis

  • max time kernel
    76s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 19:47

General

  • Target

    cab584d50632548030c5b9d297bc220ae4fa68945770945fa1e84249d800944fN.dll

  • Size

    120KB

  • MD5

    3c0a3b60fd2739b938cc93927467f620

  • SHA1

    335d0211eab137d32275f5f3338262b509860653

  • SHA256

    cab584d50632548030c5b9d297bc220ae4fa68945770945fa1e84249d800944f

  • SHA512

    e21dfb3d2f1dd1e5634621c1a76720925c2b883cfc358521fcea4bf8bb4134e0859c08f18dcea80e8d535076daaaf4c373ec83c6e9d69c7a5184518e6d4ddd91

  • SSDEEP

    1536:xzo8bYt+jqCTy0u7rWNBlEIASKyDpTEwKHqwMcgEIyM56ywZC4Eh8L9KGMjnV:x88bYtsqQaHPSdDqZgEHM56nCN8snR

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 25 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:1052
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1140
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1164
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\cab584d50632548030c5b9d297bc220ae4fa68945770945fa1e84249d800944fN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2688
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\cab584d50632548030c5b9d297bc220ae4fa68945770945fa1e84249d800944fN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2704
              • C:\Users\Admin\AppData\Local\Temp\f76ebb6.exe
                C:\Users\Admin\AppData\Local\Temp\f76ebb6.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:2816
              • C:\Users\Admin\AppData\Local\Temp\f76ed8a.exe
                C:\Users\Admin\AppData\Local\Temp\f76ed8a.exe
                4⤵
                • Executes dropped EXE
                PID:1044
              • C:\Users\Admin\AppData\Local\Temp\f77080c.exe
                C:\Users\Admin\AppData\Local\Temp\f77080c.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:2920
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2004

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            ea21f7909914a7858829b6a1f01c19b5

            SHA1

            2e5cfbde2efa530326fe9a98637e5481aab5bb85

            SHA256

            1fff6a775dcb6e8d43f85af683d9a16652c2a7f9a6eb89dfdf0461a633f0824e

            SHA512

            c77f0f5787cccb040b7bb7653a620101457fddbe3abc2a90b94be8f321d184d93dd016fb8b0a086ae713d7d485845d40533c7ebdcd592577e7dcd003dd0048b0

          • \Users\Admin\AppData\Local\Temp\f76ebb6.exe

            Filesize

            97KB

            MD5

            59ad41e5f852be61bc913fd2a2e9be06

            SHA1

            f7b1d2515331157c6234baba1600f2d845fd89fa

            SHA256

            52aa7161a8267830ebbaae1d52b5714f90db62a5000d944a4faa378f12dd7b82

            SHA512

            481d5f011e481217e03af27fce7936dce561642a401dae29aafe3fd2443ca75f1f98e07813f9fd970b3ce7a2a7333796b40c0596954c42a520213919c37486f2

          • memory/1044-131-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1044-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1044-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1044-96-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1044-182-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1052-25-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2704-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2704-36-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2704-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2704-75-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2704-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2704-57-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2704-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2704-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2704-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2704-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2704-39-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2704-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2816-21-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-81-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-20-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-19-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-16-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-56-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2816-47-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2816-60-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-61-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-62-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-64-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-63-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-66-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-67-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-13-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-23-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-80-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-45-0x00000000017A0000-0x00000000017A1000-memory.dmp

            Filesize

            4KB

          • memory/2816-82-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2816-85-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-17-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-18-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2816-153-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-22-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-104-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-105-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2816-15-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2920-100-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2920-101-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2920-103-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2920-168-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2920-79-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2920-210-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2920-209-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB