Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/02/2025, 01:30

General

  • Target

    c6c02498efa122dd945e31577098ea8c7497d9e303d0a33c4b4b1a5b60b48471N.dll

  • Size

    120KB

  • MD5

    0dc6074b25a20c1f7cb5e06e33ae5630

  • SHA1

    d00bdda9119c9eb3a5c84b3f6c8017b607fb8596

  • SHA256

    c6c02498efa122dd945e31577098ea8c7497d9e303d0a33c4b4b1a5b60b48471

  • SHA512

    ed8ec8be9572c86b6517e3dafd65bc859245d1969ed7414cf1ef251e42f8f6389f3333b43c22eb49711cecdaa50d6ee0c10398b18496c24107e9892bbb586a94

  • SSDEEP

    1536:gYW1BZqAJ5UBZUCrLw72oAcCjqyTtqgYZrAROH8UatBrKeLuHtyqCO4CS+1I/i:zWfJC2zCjqQiroOH8USrCCO4CShK

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 16 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 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6c02498efa122dd945e31577098ea8c7497d9e303d0a33c4b4b1a5b60b48471N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2080
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6c02498efa122dd945e31577098ea8c7497d9e303d0a33c4b4b1a5b60b48471N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1912
              • C:\Users\Admin\AppData\Local\Temp\f770fc9.exe
                C:\Users\Admin\AppData\Local\Temp\f770fc9.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:2704
              • C:\Users\Admin\AppData\Local\Temp\f77114f.exe
                C:\Users\Admin\AppData\Local\Temp\f77114f.exe
                4⤵
                • Executes dropped EXE
                PID:2584
              • C:\Users\Admin\AppData\Local\Temp\f773830.exe
                C:\Users\Admin\AppData\Local\Temp\f773830.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:2460
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1324

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f770fc9.exe

            Filesize

            97KB

            MD5

            0128e7eb42d0c07202f5bdaba9c93ddc

            SHA1

            768743e79058859dadd6e6c0e5191a9885646a57

            SHA256

            cdb2875b4f7da9ce1361bd01d0f63dd4217970e3db5086de1e7e0a5277e35aae

            SHA512

            ac1a37d25dd5bce52c377b41c4ea4ef1f29c7d2c067e916e2231d2da64dc6fd803ee23b8c35551e73be19a2db2a1990df72a121a8560cf47e6c9c3586f2986f2

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            8376619b2b58adb0546e2e2bf532112a

            SHA1

            19876119b7f854ec0ee9f368977bcc7070c4ba6e

            SHA256

            c406940b31c1b60568031b91c7778e45671145c07e8846362c44fca8399e19c4

            SHA512

            cbf03f8392eaab2fdb9309a25e845bfba57aef02d14d2ec7ec7703f56ab5851817321695d689e5f36899bd31808025bb4d11ecc67147c2cc8aa6c91e645ca9cc

          • memory/1104-17-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/1912-70-0x00000000008C0000-0x00000000008C2000-memory.dmp

            Filesize

            8KB

          • memory/1912-85-0x0000000000890000-0x0000000000892000-memory.dmp

            Filesize

            8KB

          • memory/1912-9-0x0000000000890000-0x00000000008A2000-memory.dmp

            Filesize

            72KB

          • memory/1912-38-0x0000000000A80000-0x0000000000A81000-memory.dmp

            Filesize

            4KB

          • memory/1912-48-0x00000000008C0000-0x00000000008C2000-memory.dmp

            Filesize

            8KB

          • memory/1912-80-0x0000000001F50000-0x0000000001F62000-memory.dmp

            Filesize

            72KB

          • memory/1912-26-0x00000000008C0000-0x00000000008C2000-memory.dmp

            Filesize

            8KB

          • memory/1912-27-0x0000000000A80000-0x0000000000A81000-memory.dmp

            Filesize

            4KB

          • memory/1912-50-0x0000000001EB0000-0x0000000001EC2000-memory.dmp

            Filesize

            72KB

          • memory/1912-51-0x00000000008C0000-0x00000000008C2000-memory.dmp

            Filesize

            8KB

          • memory/1912-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2460-169-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2460-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2460-101-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2460-168-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2460-214-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-215-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2584-96-0x0000000000260000-0x0000000000261000-memory.dmp

            Filesize

            4KB

          • memory/2584-93-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2584-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2584-94-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2584-120-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2584-181-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2704-16-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-55-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-67-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/2704-66-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-64-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-69-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-71-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-62-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-61-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-37-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-35-0x00000000004C0000-0x00000000004C1000-memory.dmp

            Filesize

            4KB

          • memory/2704-36-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/2704-39-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/2704-65-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-54-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-104-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-106-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-108-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-110-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-53-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-151-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-40-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2704-15-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-14-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-13-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-11-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB