Analysis

  • max time kernel
    74s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 02:01

General

  • Target

    e1ae57def73acba849e81883ae6318b719dbb9978955e96a0a9bb358345b4835.dll

  • Size

    120KB

  • MD5

    3dedfa011022c921044f530c79b9cfb3

  • SHA1

    a426890385319428629c1a7af9e48a87b4fc1196

  • SHA256

    e1ae57def73acba849e81883ae6318b719dbb9978955e96a0a9bb358345b4835

  • SHA512

    ed5f27aad33db2cf59d82cbcc646281e8d649cf542f455f1a2eff97a29dac85e6b494bec30950ed383d0e160ba7b6e1b24f3d9d76ce95c47a03286b15e23b9fa

  • SSDEEP

    3072:EREA/Q5HNSdi96k3M9vPVoUv9M4JvVbZ7:u/CDsvFG/6b

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 12 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 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 23 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1ae57def73acba849e81883ae6318b719dbb9978955e96a0a9bb358345b4835.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1688
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1ae57def73acba849e81883ae6318b719dbb9978955e96a0a9bb358345b4835.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1628
              • C:\Users\Admin\AppData\Local\Temp\f779878.exe
                C:\Users\Admin\AppData\Local\Temp\f779878.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:2596
              • C:\Users\Admin\AppData\Local\Temp\f779c30.exe
                C:\Users\Admin\AppData\Local\Temp\f779c30.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:2512
              • C:\Users\Admin\AppData\Local\Temp\f77b2db.exe
                C:\Users\Admin\AppData\Local\Temp\f77b2db.exe
                4⤵
                • Executes dropped EXE
                PID:2484
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1576

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            aa1ab9d4f35735668a5c549a386ac1f7

            SHA1

            904f9cddb205ad9284df36302025288528591bdf

            SHA256

            ba8fb0d4619aad07849be74160f4bb15eced5be025093255b4e75468b47f994b

            SHA512

            c450761f3d203cc62fdc9dd81feb70b58f77fbad13d98f1e68e71692f1243e12c788b8e531f9ac036ac5a017d5efe8613996995b489a6d170788a4354c10189a

          • \Users\Admin\AppData\Local\Temp\f779878.exe

            Filesize

            97KB

            MD5

            4e4c3b3e5c6dd6b67bd3b3ff2eadb459

            SHA1

            98c1a2a4dc7f91b0685400c3c5241b0e8d498548

            SHA256

            3ee749fadd9713c7ac43c50a19b71cabe3f56f1951a630f3549201c43b7cd9b6

            SHA512

            43503429b5dd2906675ec4fb7039f3d9d9753bbe6a3c2e7e88e9cd664d9a4949cd509f66f207dd4e254a56243a25672a85c7c345115a27fdc4e77ae872e5ce4d

          • memory/1112-31-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1628-79-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1628-56-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/1628-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1628-11-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/1628-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1628-61-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1628-82-0x0000000000130000-0x0000000000136000-memory.dmp

            Filesize

            24KB

          • memory/1628-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1628-59-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1628-38-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1628-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1628-60-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/1628-39-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/1628-47-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2484-105-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2484-107-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2484-175-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2484-166-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2512-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2512-170-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-171-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2512-165-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2512-126-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2512-98-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2512-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2596-73-0x0000000001700000-0x0000000001702000-memory.dmp

            Filesize

            8KB

          • memory/2596-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-68-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-84-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-85-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-86-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-25-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-108-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-110-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-113-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2596-150-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2596-49-0x0000000001700000-0x0000000001702000-memory.dmp

            Filesize

            8KB

          • memory/2596-51-0x0000000001700000-0x0000000001702000-memory.dmp

            Filesize

            8KB

          • memory/2596-24-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2596-48-0x0000000001710000-0x0000000001711000-memory.dmp

            Filesize

            4KB