Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 22:38

General

  • Target

    583b48afb45054b04244ef0b97f2d979c1d6f13b44dbad6aee6d1cacb1d624da.dll

  • Size

    120KB

  • MD5

    1c78564479a646e552dedbf44511c3d8

  • SHA1

    9e0c6a5d80d53a60ad1857c97789e2b9db011b91

  • SHA256

    583b48afb45054b04244ef0b97f2d979c1d6f13b44dbad6aee6d1cacb1d624da

  • SHA512

    5bdc6c51251be25b6eb1614117828e2f321f5a0a2dc6847746443edac6c27bbc9f0eb2b025ed99706b118367e10bebd82226e5028a51ab2f164f0b1037dd41b5

  • SSDEEP

    3072:WgRZKQXThHls4DgorSFEjfN46dZ3MVNuzn:W+Km1Hls4vrDPGw

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 15 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 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 34 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:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\583b48afb45054b04244ef0b97f2d979c1d6f13b44dbad6aee6d1cacb1d624da.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2292
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\583b48afb45054b04244ef0b97f2d979c1d6f13b44dbad6aee6d1cacb1d624da.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2496
              • C:\Users\Admin\AppData\Local\Temp\f76d346.exe
                C:\Users\Admin\AppData\Local\Temp\f76d346.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:2608
              • C:\Users\Admin\AppData\Local\Temp\f76d51a.exe
                C:\Users\Admin\AppData\Local\Temp\f76d51a.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:2672
              • C:\Users\Admin\AppData\Local\Temp\f76eef1.exe
                C:\Users\Admin\AppData\Local\Temp\f76eef1.exe
                4⤵
                • Executes dropped EXE
                PID:2464
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1672

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            1bbed8f23a52a3e1911b3eb6ef1fc454

            SHA1

            e396c37106c3c12b1784ac3aac0368a62e0e0644

            SHA256

            2b8dae44bc6b8ab6ec28da76e74faebc8adba20a1da2a2f247c5c24030f587d5

            SHA512

            41c49a06d1369bb93ae5b21da31952329b0585de25665f59d014634a8d685c747f8943dd7ebd0b9c8083a410ec368df11b8a1e0a1de6c41722b9a91937b400f5

          • \Users\Admin\AppData\Local\Temp\f76d346.exe

            Filesize

            97KB

            MD5

            c369f5e0c66a0087690301a4429b815d

            SHA1

            586be1d80063e2f7f43eba120f40812fc5dfbea0

            SHA256

            fb6a975624471bee49b9be43142b9108c0bca6ea02c5d683cb73f8482b3298aa

            SHA512

            15534a51acbf6eb4bc6bc2a3e78651d8cc9ff8744f4b222a80d6ba7ad307898a772e19b7089defe160272d90a95394e41dc7e53683486a98ebcee3be2b28514f

          • memory/1108-25-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2464-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2464-103-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2464-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2464-167-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2464-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2496-59-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2496-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2496-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2496-79-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2496-8-0x00000000000C0000-0x00000000000D2000-memory.dmp

            Filesize

            72KB

          • memory/2496-58-0x0000000000150000-0x0000000000162000-memory.dmp

            Filesize

            72KB

          • memory/2496-81-0x00000000000C0000-0x00000000000C2000-memory.dmp

            Filesize

            8KB

          • memory/2496-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2496-45-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2496-33-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2496-32-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2496-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2496-76-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2608-61-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-85-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-17-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-15-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-13-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-20-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-62-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-63-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-64-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-65-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-67-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-68-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-22-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-46-0x0000000003CE0000-0x0000000003CE1000-memory.dmp

            Filesize

            4KB

          • memory/2608-48-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2608-16-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-83-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-18-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-87-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-49-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2608-19-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-23-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-21-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2608-150-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-107-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-109-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-97-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2672-99-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2672-105-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2672-163-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2672-159-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2672-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB