Analysis

  • max time kernel
    27s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 11:32

General

  • Target

    b888173d24ce5d7257900df7577297f88bf1e40dee52e5ede725a541f4316d35N.dll

  • Size

    120KB

  • MD5

    b86450a58045ecaa12bbd0097e83d580

  • SHA1

    2909fb0dd5739d775be4e924dbe987c432068798

  • SHA256

    b888173d24ce5d7257900df7577297f88bf1e40dee52e5ede725a541f4316d35

  • SHA512

    15caed3f221a52399ba101cf163160eeae00595bd350092f1590f9ff689b491fdb6115825f30b9d18fbe1ca88164e5c2e51811d9d95b3be6a47f6c76257eeead

  • SSDEEP

    3072:5hog/V8ArPx1M+pUpgrZINv9WjeChfJ7wYnsqaerb+aITVu:J/Ggx1M+pUiUFcNhfJ84sTef7IT

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 22 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 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:1064
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1144
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1176
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b888173d24ce5d7257900df7577297f88bf1e40dee52e5ede725a541f4316d35N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1900
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b888173d24ce5d7257900df7577297f88bf1e40dee52e5ede725a541f4316d35N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1356
              • C:\Users\Admin\AppData\Local\Temp\f76c4f4.exe
                C:\Users\Admin\AppData\Local\Temp\f76c4f4.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:2120
              • C:\Users\Admin\AppData\Local\Temp\f76c66b.exe
                C:\Users\Admin\AppData\Local\Temp\f76c66b.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
                • System policy modification
                PID:2644
              • C:\Users\Admin\AppData\Local\Temp\f76e0be.exe
                C:\Users\Admin\AppData\Local\Temp\f76e0be.exe
                4⤵
                • Executes dropped EXE
                PID:3060
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2016

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76c4f4.exe

            Filesize

            97KB

            MD5

            af831b5dd7b9e774119472558b875bf5

            SHA1

            7e28510dc0b7bc21bb2cf7847ed0a64cfdd6d9ea

            SHA256

            1c3ebca8d53d54407aace1669f7212b855ac07722e8b1bfa041abb5831bfa968

            SHA512

            2f4b1d5a4e4c82596a61d0d3fb1b6302a7157a487a88d6c0f8eb602e8b7f36d398276399759ae4cbd45650cd164e6a11611def448acef9c702adc536ef0bf388

          • C:\Windows\SYSTEM.INI

            Filesize

            255B

            MD5

            5b4ee2bc1c2e6086f5e9f3a1f1f5d42b

            SHA1

            1e2749c4165fd8606b3d6ec605b3e574475786b8

            SHA256

            1acb144f0af0fd24cccdf63057e8960642e232c41681c0a82ed67397f3a8daba

            SHA512

            d3b85194c3a897dccb35f81d2287eb2fcb7aa282c4c69b8609b4048db23bac9109eb21bf25e9f2b4a2b5d19de4bde23c39d39f3e36896c9820f667bf9613f622

          • memory/1064-25-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/1356-59-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/1356-57-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1356-47-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1356-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1356-82-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1356-83-0x0000000000260000-0x0000000000272000-memory.dmp

            Filesize

            72KB

          • memory/1356-85-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/1356-60-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1356-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1356-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1356-9-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/1356-37-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2120-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-48-0x0000000003E20000-0x0000000003E21000-memory.dmp

            Filesize

            4KB

          • memory/2120-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-50-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2120-58-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2120-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-70-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2120-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2120-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-81-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2120-87-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-90-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-92-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2120-158-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-110-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2644-102-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2644-103-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2644-131-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2644-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-187-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-188-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3060-109-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/3060-136-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3060-112-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3060-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3060-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB