Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-02-2025 17:40

General

  • Target

    824ac242ccded6488f656582e4bd5bf843499029f87e37e2d5991c5146ea22b6.dll

  • Size

    120KB

  • MD5

    4156a0f1100e0ac8d9e0d6e6233b6ff3

  • SHA1

    ac23e0a9eca4d6baa598bf90b11804bb07f6ae54

  • SHA256

    824ac242ccded6488f656582e4bd5bf843499029f87e37e2d5991c5146ea22b6

  • SHA512

    cfbe4d45ced79cc6269911db5c53f02ebcdb5476df5991ee0c1d9362372d6834986942ff216b19ae5757d1162ccbc4efc1e81e7f220e12c1af94f6388b6d855a

  • SSDEEP

    3072:3lG7qv+zsBwQNiM7x5FlvJXe0rYjy3fQHS:4WssBwQx7xVvRrmckS

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 17 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 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:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\824ac242ccded6488f656582e4bd5bf843499029f87e37e2d5991c5146ea22b6.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2172
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\824ac242ccded6488f656582e4bd5bf843499029f87e37e2d5991c5146ea22b6.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3024
              • C:\Users\Admin\AppData\Local\Temp\f76cf50.exe
                C:\Users\Admin\AppData\Local\Temp\f76cf50.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:2160
              • C:\Users\Admin\AppData\Local\Temp\f76d0a7.exe
                C:\Users\Admin\AppData\Local\Temp\f76d0a7.exe
                4⤵
                • Executes dropped EXE
                PID:2720
              • C:\Users\Admin\AppData\Local\Temp\f76eb0a.exe
                C:\Users\Admin\AppData\Local\Temp\f76eb0a.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:2636
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1636

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76cf50.exe

            Filesize

            97KB

            MD5

            e124a9c104d432cee139d78b9df7292c

            SHA1

            8d8593cb10a6b217fa09cf73552b44850313a216

            SHA256

            fe085ee298f41a27613e6b6a9aa51f37cb68398c7641575130a7d097f1ea71b2

            SHA512

            493469fc8a4bedee0d06d4b782ea011b9b2940f203e5ceb880ab8edf4a120e0d266dfd73fc3c4653ce34871dd1a4beab64b1153c44ec7c0dba3ec2ed85456e76

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            16b4e2a570b20baa89289782cc0810b9

            SHA1

            d6fc3858b1aec149b33968e401e336f52bfad227

            SHA256

            e024386135c9c24790af55ec8bd7b5e6ce6636d5acd37a6e3c67fb77692b3e2e

            SHA512

            8372bd1f2cddd9e17d5ae7f5d83e9a1f555c2d60b7b2824477caeb160bd94d6fe4226d9f313ad31975935916d0d894053bd7f1f1a32d27eae8e6120fb56ffb61

          • memory/1108-28-0x0000000002030000-0x0000000002032000-memory.dmp

            Filesize

            8KB

          • memory/2160-62-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2160-16-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-64-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-65-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-22-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-49-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2160-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2160-46-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/2160-63-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-68-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-153-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-110-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-14-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-87-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-85-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2160-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-13-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-61-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-83-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-78-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2160-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-15-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2160-67-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2636-211-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-169-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2636-210-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2636-168-0x0000000000990000-0x0000000001A4A000-memory.dmp

            Filesize

            16.7MB

          • memory/2636-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2636-106-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2720-99-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2720-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-98-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2720-127-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2720-105-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3024-36-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/3024-58-0x00000000003B0000-0x00000000003C2000-memory.dmp

            Filesize

            72KB

          • memory/3024-56-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/3024-59-0x00000000003F0000-0x00000000003FE000-memory.dmp

            Filesize

            56KB

          • memory/3024-37-0x00000000003A0000-0x00000000003A1000-memory.dmp

            Filesize

            4KB

          • memory/3024-80-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/3024-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3024-8-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/3024-45-0x00000000003A0000-0x00000000003A1000-memory.dmp

            Filesize

            4KB

          • memory/3024-72-0x00000000006D0000-0x00000000006E2000-memory.dmp

            Filesize

            72KB

          • memory/3024-79-0x00000000006D0000-0x00000000006E2000-memory.dmp

            Filesize

            72KB