Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 23:28

General

  • Target

    b4ca59b193590310ca0cc22fc5018436f0d2a11e4dac5062f08bc843b0d52051N.dll

  • Size

    120KB

  • MD5

    6822cd5469c25c382072458b053a95c0

  • SHA1

    374acaa4f173ccb2b9daad15bf14d61cc35680b8

  • SHA256

    b4ca59b193590310ca0cc22fc5018436f0d2a11e4dac5062f08bc843b0d52051

  • SHA512

    e26666bc769d4945b6ee7b924b189aca746ae8154badf5fe12e05d4834962b35f2ebfc6255e703e415a34d85fdffeac828e7da02ac6a5fdc5ce6b9c7edf7d954

  • SSDEEP

    1536:B3uvRxZMssQJDfxWjM7zmIcxufUv8OTaSCWsmhRFgBP9/st1Aev+bLAawYei:tuv3hMj8zmffvPTfsmXF0Rstj+Lx9ei

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 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 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1236
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4ca59b193590310ca0cc22fc5018436f0d2a11e4dac5062f08bc843b0d52051N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2656
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4ca59b193590310ca0cc22fc5018436f0d2a11e4dac5062f08bc843b0d52051N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2676
              • C:\Users\Admin\AppData\Local\Temp\f771b7c.exe
                C:\Users\Admin\AppData\Local\Temp\f771b7c.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:2652
              • C:\Users\Admin\AppData\Local\Temp\f771d12.exe
                C:\Users\Admin\AppData\Local\Temp\f771d12.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:3032
              • C:\Users\Admin\AppData\Local\Temp\f7739d5.exe
                C:\Users\Admin\AppData\Local\Temp\f7739d5.exe
                4⤵
                • Executes dropped EXE
                PID:2028
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2040

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            1678eaad45154bba7a1e61a96441405e

            SHA1

            c246dabaf5f9bb7f91e042e1272510de4cf159c2

            SHA256

            44c6e9c70fd5027581ebadec283c3f77bf4f1ab0ce056dcb99391b0548db782f

            SHA512

            8d0c14aac6cb8ace211d5670ddd506d499bccc6d569dadb0e359899dc4a39b9d30a3b5ac5d1eed253a1b7b95108b724c34ea0bcf48c362304019e1e6db411d9b

          • \Users\Admin\AppData\Local\Temp\f771b7c.exe

            Filesize

            97KB

            MD5

            bfe6b88dcfe5722f0c8e5694f460d062

            SHA1

            9a612665ff3724dce3abf895278dc9e3f866eb7c

            SHA256

            aee05ee9fde72ab8c0ca788e2ed681084df276451206aae602bbb88dae0b77d9

            SHA512

            c8ab2f3480d4357fc8ea4b4f6cbb56c3e4cd3a5ee2cd2dc7ece57eee47e4780edd579af06c51e2ce874abf673f62bce2ec18ef6d8268590ce328c3e5477fd69c

          • memory/1112-26-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2028-198-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2028-107-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2028-110-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2028-108-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2028-87-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2652-17-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-69-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-21-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-20-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-24-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-25-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-60-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2652-59-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2652-159-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2652-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2652-92-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-91-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-23-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-22-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-45-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2652-90-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2652-19-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-86-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-74-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-15-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-73-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-66-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-67-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-68-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-18-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-70-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-72-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2676-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-34-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2676-35-0x0000000000190000-0x0000000000191000-memory.dmp

            Filesize

            4KB

          • memory/2676-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-44-0x0000000000190000-0x0000000000191000-memory.dmp

            Filesize

            4KB

          • memory/2676-53-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2676-57-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2676-56-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2676-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2676-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2676-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3032-109-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3032-137-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3032-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3032-103-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/3032-171-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3032-194-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3032-111-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/3032-199-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB