Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 00:02

General

  • Target

    737ab4dca7e6b31dd932b8f3d67013fbd91b8d5d5e6058957f46946d6d378cb2.dll

  • Size

    120KB

  • MD5

    1cf5ade975f33d292e8f70788fb26ee5

  • SHA1

    d19d15886679cbcac57892f7de19513823ba3003

  • SHA256

    737ab4dca7e6b31dd932b8f3d67013fbd91b8d5d5e6058957f46946d6d378cb2

  • SHA512

    c5912f86ca6d160d5603299f14013fca421a61cac520c1fc979e0b497de9c4cd8387592ed03eb2f1e61f9d48e45baba6a95f6440cda7d23d00d59772a3c375f5

  • SSDEEP

    1536:zqqfJej1q5C+tWjV38HDyS9Y51ONaJzR1ayDpsWedpdPWliHkODdTKRff:mo418CxiH8+Nax9vbODdm

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 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 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:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\737ab4dca7e6b31dd932b8f3d67013fbd91b8d5d5e6058957f46946d6d378cb2.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2492
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\737ab4dca7e6b31dd932b8f3d67013fbd91b8d5d5e6058957f46946d6d378cb2.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1044
              • C:\Users\Admin\AppData\Local\Temp\f76dd83.exe
                C:\Users\Admin\AppData\Local\Temp\f76dd83.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:2172
              • C:\Users\Admin\AppData\Local\Temp\f76df57.exe
                C:\Users\Admin\AppData\Local\Temp\f76df57.exe
                4⤵
                • Executes dropped EXE
                PID:2672
              • C:\Users\Admin\AppData\Local\Temp\f76f93d.exe
                C:\Users\Admin\AppData\Local\Temp\f76f93d.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:2632
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:400

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76dd83.exe

            Filesize

            97KB

            MD5

            3f0ab17afe3baa25e4eb2fa204b97883

            SHA1

            8162cd63cb39d709fff10a2045499e3bd2b33370

            SHA256

            7b82d35ec54f1163bb97d73dbee5e29d75c2f48889df0bf66db9934b8afafc72

            SHA512

            d0751b62262453c692fc79288352eeb7429fa3ac50fb8a81748186bd8f4d716f47ed00cd5d95708afbc4a9d1471c5005183cc5de92f7e9d188e07a74121e6347

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            fcfe3edaced1f327c340cd7c48121b6d

            SHA1

            e1895138a8000a4726aedae5921d99d3f75e895c

            SHA256

            c8d7ae3564dfacb58caa667e2378b6249491fb674a0008bb27724b9819335827

            SHA512

            215180780c6d4fc5ef33faca4e013472ebe5eb0c5888d8b8366eb8acbe6d6ebe3284e4d4e9791e55a43a2ae390c58ca5a8973b6a8b6712f783539bf627483357

          • memory/1044-35-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1044-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1044-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1044-58-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1044-57-0x00000000001A0000-0x00000000001B2000-memory.dmp

            Filesize

            72KB

          • memory/1044-55-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1044-36-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/1044-76-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1044-44-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/1108-28-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2172-62-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-80-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-45-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2172-19-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-17-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2172-47-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2172-21-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-20-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-18-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-16-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-15-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-60-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-61-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-14-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-63-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-64-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-66-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-12-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-75-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2172-79-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-22-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-82-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2172-146-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-145-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2172-107-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-105-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2172-104-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2632-101-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2632-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2632-151-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2632-159-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2632-204-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2632-203-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2672-96-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2672-122-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2672-99-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2672-91-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2672-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2672-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB