Analysis

  • max time kernel
    30s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 08:02

General

  • Target

    3619e1f8e33018161a7c34ab7988bb28eb7f353381edc531b3a9232fcc207d31.dll

  • Size

    120KB

  • MD5

    90b47eba502c1b8afee365bd04a70aa1

  • SHA1

    4bd43464e18a6bfdcf5711188bc8b517d748ab34

  • SHA256

    3619e1f8e33018161a7c34ab7988bb28eb7f353381edc531b3a9232fcc207d31

  • SHA512

    eec24c018e65729eb36ea1a58f0a582ec7c203d6b411ef91e05e2a96241053dbd26e2c6087df612f9a801f3bcfe50ab1b8402f284f97acbac1101b5abad7674d

  • SSDEEP

    3072:rhVihrNh3l/uOBUloF/iyCFSwTPFixJfeihh/Gbe:rTIll/u+U0i7FFMJXhhZ

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 13 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1212
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1264
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3619e1f8e33018161a7c34ab7988bb28eb7f353381edc531b3a9232fcc207d31.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2200
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3619e1f8e33018161a7c34ab7988bb28eb7f353381edc531b3a9232fcc207d31.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1492
              • C:\Users\Admin\AppData\Local\Temp\f77e85c.exe
                C:\Users\Admin\AppData\Local\Temp\f77e85c.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:1824
              • C:\Users\Admin\AppData\Local\Temp\f77ec90.exe
                C:\Users\Admin\AppData\Local\Temp\f77ec90.exe
                4⤵
                • Executes dropped EXE
                PID:2768
              • C:\Users\Admin\AppData\Local\Temp\f7808d7.exe
                C:\Users\Admin\AppData\Local\Temp\f7808d7.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:2588
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1552

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            4fc53a81cf39b32dcd7e39547017c4f2

            SHA1

            e5751fedb626e3b69c2c12f5049a9d403fce89b9

            SHA256

            a4b341259602769af4b203d52bb1b83ed13806349e6d2159c845618f95e785c9

            SHA512

            c273b9f1305a01ee748c55db1ed9563b9bf0d81e3742b2a848d105503a6a21d17c44b9ecd5ffbda433454cfe45d2dc264465ec6989d11135536c4e2a1308ad4e

          • \Users\Admin\AppData\Local\Temp\f77e85c.exe

            Filesize

            97KB

            MD5

            691b7eb8a57178d7b59cefa2b5c2e8ef

            SHA1

            44bc1dfe9d299222f941dd624931654a29f12a17

            SHA256

            c0d28389550d827c08c5b63a8232a39b2d506e867dd3054797d7f35be5f41796

            SHA512

            64a256c47325db9b401b90e89d85369c623603fbe674078f1dc77ebdca9d307ef3e574db7687c4e2d21b6ce99d91cf89e09ddcc3929229985e732a2c7f75ffa4

          • memory/1124-28-0x0000000001CA0000-0x0000000001CA2000-memory.dmp

            Filesize

            8KB

          • memory/1492-77-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1492-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1492-7-0x0000000000120000-0x0000000000132000-memory.dmp

            Filesize

            72KB

          • memory/1492-13-0x0000000000120000-0x0000000000132000-memory.dmp

            Filesize

            72KB

          • memory/1492-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1492-46-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1492-81-0x0000000000120000-0x0000000000126000-memory.dmp

            Filesize

            24KB

          • memory/1492-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1492-34-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1492-35-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1492-37-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1492-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1492-38-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1492-59-0x00000000003C0000-0x00000000003D2000-memory.dmp

            Filesize

            72KB

          • memory/1824-25-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-63-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-61-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1824-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1824-22-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-58-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1824-45-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/1824-24-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-21-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-17-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-23-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-18-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-62-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1824-64-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-65-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-66-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-68-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-69-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-19-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-83-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-84-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-26-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-20-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-87-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-88-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-154-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2588-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2588-104-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2588-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2588-172-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-204-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2588-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2768-106-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2768-98-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2768-108-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2768-153-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2768-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2768-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB