Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 04:01

General

  • Target

    c580f351a120b47b4a2e330630da92032b7f31ba76286001c28cb7b66fde19f3.dll

  • Size

    120KB

  • MD5

    15d13d6d14f297b5daa76ee9cdfd1e86

  • SHA1

    b6f5f2ccddbacda179aed1e268371b741744f5ff

  • SHA256

    c580f351a120b47b4a2e330630da92032b7f31ba76286001c28cb7b66fde19f3

  • SHA512

    752a33e1d20198500fd1b27e41f8c88e9a8290f23f9135dd256bdb318e024e6a4de491f8b93b59c27fff87b48871d90a3d9a896680574af00d3f641dfa776a66

  • SSDEEP

    3072:icfewIt9GGvTWU1Ir3EsFMNZyMbIxHruJ8:iU3I3fL/IzEtZNsxu

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 14 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 23 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 33 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1048
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1112
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c580f351a120b47b4a2e330630da92032b7f31ba76286001c28cb7b66fde19f3.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2368
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c580f351a120b47b4a2e330630da92032b7f31ba76286001c28cb7b66fde19f3.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2408
              • C:\Users\Admin\AppData\Local\Temp\f76b3c5.exe
                C:\Users\Admin\AppData\Local\Temp\f76b3c5.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:2024
              • C:\Users\Admin\AppData\Local\Temp\f76b5b8.exe
                C:\Users\Admin\AppData\Local\Temp\f76b5b8.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 Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2748
              • C:\Users\Admin\AppData\Local\Temp\f76cf6f.exe
                C:\Users\Admin\AppData\Local\Temp\f76cf6f.exe
                4⤵
                • Executes dropped EXE
                PID:584
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1772

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76b3c5.exe

            Filesize

            97KB

            MD5

            93c49bf40ef2ea634231be0bdd7976d6

            SHA1

            ca92090369db957537038cb3eae52fc6d1bfae69

            SHA256

            22d08c1af814aae2c8a1f1b7b2ab7090fa3db2923846168047cab0ae496e2a01

            SHA512

            a702c1c4edf15ee9b6f71c73a71eeb9a47a657991899caaa5c5d8a74989d35b712adaff63fd2f73376457c3d8650ecb492d9ae1d71a2218e0345891a19d1a9e1

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            cd80d2ec77062d6a39aeb808e17cceb8

            SHA1

            cd5553d9a4ce81909c8040171868e2ec6363228f

            SHA256

            7362fb75d35ce55ff8abee9d52e422964fb99b3cbebee52bd01ff36b5e29a808

            SHA512

            98841247326c84cfcb82b3cc6d1fa741a1c89ac00f4bb06b6a72887290316127316b2d6606834b7a71eac8f77bb02911a6955fb72755e2a54096800951988af7

          • memory/584-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/584-199-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/584-137-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/584-106-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/584-108-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/584-107-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1048-23-0x0000000000110000-0x0000000000112000-memory.dmp

            Filesize

            8KB

          • memory/2024-87-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-69-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-22-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2024-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2024-157-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-109-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-21-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-20-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-17-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-12-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-41-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-40-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/2024-19-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-14-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-61-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2024-60-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2024-62-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-63-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-64-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-66-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-65-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-68-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-15-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-18-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-89-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2024-86-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2408-9-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/2408-52-0x00000000006A0000-0x00000000006B2000-memory.dmp

            Filesize

            72KB

          • memory/2408-53-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2408-32-0x0000000000690000-0x0000000000691000-memory.dmp

            Filesize

            4KB

          • memory/2408-31-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2408-83-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB

          • memory/2408-42-0x0000000000690000-0x0000000000691000-memory.dmp

            Filesize

            4KB

          • memory/2408-10-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/2408-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2408-81-0x0000000000700000-0x0000000000712000-memory.dmp

            Filesize

            72KB

          • memory/2408-72-0x0000000000700000-0x0000000000712000-memory.dmp

            Filesize

            72KB

          • memory/2408-50-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2748-132-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2748-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2748-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2748-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2748-182-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2748-195-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2748-100-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB