Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 22:44

General

  • Target

    793b6ae9c21f8c0b5cadc1e1296b573ecc4d2a95e454be3f8350d8c453a0d3fb.dll

  • Size

    120KB

  • MD5

    31e490290396f7024387b7fcc853237d

  • SHA1

    d69426fc1977f07efd1ab4caa46bf8e6bb64f3f7

  • SHA256

    793b6ae9c21f8c0b5cadc1e1296b573ecc4d2a95e454be3f8350d8c453a0d3fb

  • SHA512

    003919f1c8358632d0d23ada36245762622ec1088ba02af04ffbea90275adb6983f875a6c225ea44fd77cd53889e88e3668a5178d255abcfbea0e738cba14184

  • SSDEEP

    3072:WsewQHr+MZe1+g3ZlL966xqy6LcvpCnRN48iHq:Ws2r+rDL0AqyCMuRN48iK

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 1 IoCs

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

  • UPX packed file 21 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1092
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\793b6ae9c21f8c0b5cadc1e1296b573ecc4d2a95e454be3f8350d8c453a0d3fb.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2740
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\793b6ae9c21f8c0b5cadc1e1296b573ecc4d2a95e454be3f8350d8c453a0d3fb.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2760
              • C:\Users\Admin\AppData\Local\Temp\f772f5a.exe
                C:\Users\Admin\AppData\Local\Temp\f772f5a.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:2848
              • C:\Users\Admin\AppData\Local\Temp\f7732d3.exe
                C:\Users\Admin\AppData\Local\Temp\f7732d3.exe
                4⤵
                • Executes dropped EXE
                PID:1980
              • C:\Users\Admin\AppData\Local\Temp\f774c0e.exe
                C:\Users\Admin\AppData\Local\Temp\f774c0e.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:432
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1556

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            2a885baa342d594d17dfa84aad1980b4

            SHA1

            3656d5fcf0a583dc205befcc3fbded33ac2b6369

            SHA256

            ad13934b945aefa9993b7e99fb48f836fd048d96c9d9d29b3f457e9f8e5fae09

            SHA512

            057e103cdf85a1244119f7b924e78a45ebe0f99795257dcc821e069c508fe3ce331ac36633645eae78c630a8cd1ff5ef2946560caa33265401d4d5d9c30fe400

          • \Users\Admin\AppData\Local\Temp\f772f5a.exe

            Filesize

            97KB

            MD5

            c0b4e1661853a3da097f4ba48aa32700

            SHA1

            d58a4071ad522b6b68dce1b533829246e3d27cfa

            SHA256

            b1f80258801bea1e201fd0f7f25ad6fafa287b71524e0881ca7b356b01ab41a6

            SHA512

            918892c38b1ec3806ab7dade6c736be0383b08d5b91cfa1495dd0cc3fa47f31762f284ce40239415ce178c04a6acbdf27b0fe9e5eb7510dbc0e6a62c77be6bb6

          • memory/432-103-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/432-170-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/432-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/432-169-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/432-145-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/432-134-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/432-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1092-29-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/1980-102-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1980-133-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1980-93-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/1980-101-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1980-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2760-36-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2760-79-0x0000000000120000-0x0000000000126000-memory.dmp

            Filesize

            24KB

          • memory/2760-9-0x0000000000120000-0x0000000000132000-memory.dmp

            Filesize

            72KB

          • memory/2760-45-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2760-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2760-4-0x0000000000120000-0x0000000000132000-memory.dmp

            Filesize

            72KB

          • memory/2760-37-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2760-58-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2760-57-0x0000000000290000-0x00000000002A2000-memory.dmp

            Filesize

            72KB

          • memory/2760-73-0x0000000000390000-0x00000000003A2000-memory.dmp

            Filesize

            72KB

          • memory/2760-55-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2760-74-0x0000000000390000-0x00000000003A2000-memory.dmp

            Filesize

            72KB

          • memory/2760-76-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2848-22-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-64-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-63-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-61-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-75-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2848-62-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-56-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2848-19-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-46-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/2848-91-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-23-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-16-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-48-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2848-18-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-100-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-108-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-109-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-121-0x00000000004D0000-0x00000000004D2000-memory.dmp

            Filesize

            8KB

          • memory/2848-112-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-129-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2848-14-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-21-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-15-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-17-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-20-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB