Analysis

  • max time kernel
    118s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 22:07

General

  • Target

    cbb09fb52daf31ac86fc69e3242b84ddb221d45c89524c1fca65bf4b5a451dc0N.exe

  • Size

    654KB

  • MD5

    16251f7e20b5c6d2aa9db0e0fa96a2d0

  • SHA1

    4c00272ddf2e4f7f320d7cf8cf59b5dd678e9a65

  • SHA256

    cbb09fb52daf31ac86fc69e3242b84ddb221d45c89524c1fca65bf4b5a451dc0

  • SHA512

    16b77f5e4a8a4a7086a2a4a55e690ec5c14e809bc8fdec90c83afba606d931bef79f5ceef42a32044611995ad2ed01e47e8c29b191a47a1bcf62eb388d0dbe15

  • SSDEEP

    12288:BQe0gFJzVe3ohdwTIOzSW0l2zdpZSPPvdVwtS8J+cb0cBu0e7IOAZiqfyDGRYD1E:agFJzcMWuWhzdpA1Vw/b0x7IsqfyCRYE

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 7 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 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • System policy modification 1 TTPs 1 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:\Users\Admin\AppData\Local\Temp\cbb09fb52daf31ac86fc69e3242b84ddb221d45c89524c1fca65bf4b5a451dc0N.exe
            "C:\Users\Admin\AppData\Local\Temp\cbb09fb52daf31ac86fc69e3242b84ddb221d45c89524c1fca65bf4b5a451dc0N.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Loads dropped DLL
            • 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:2492
            • \??\c:\00adc31d558a737310\update\update.exe
              c:\00adc31d558a737310\update\update.exe
              3⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:1976
        • 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

          Loading Replay Monitor...

          Downloads

          • C:\00adc31d558a737310\update\update.exe

            Filesize

            712KB

            MD5

            9570121468658dcc6972f1dfa624a223

            SHA1

            61716952df7a03fc01ac919f44f07e9588840b8c

            SHA256

            bc2cde5db3027a726c81df78bdef10b5ec9a7b4a5ba297911c7b999638f76b33

            SHA512

            7c2168a6db5bf7dd7c09682983e9059524621834d0d9ae250382c74d714b0e99b625f5ee9a648e18de9fa25b580bac5ab770ad63c406a9f88c87ade1a372429c

          • C:\Users\Admin\AppData\Local\Temp\0F773BE8_Rar\cbb09fb52daf31ac86fc69e3242b84ddb221d45c89524c1fca65bf4b5a451dc0N.exe

            Filesize

            590KB

            MD5

            63e07c4f09089286f763f296c6518008

            SHA1

            c5599a4e41299d3f0ae25ba7e4ef185c19a4b738

            SHA256

            cbe455384310c8cb0ff57fbe0ace68d4e6a9a0c7c9d168242cc1dc96d5bf7cb9

            SHA512

            c7feae28acd55853651455678d7a7829f12218ac02e4b888f358595c260b5b1d084a3ae50e54e7d29974ffe927ac64fdd65bb07e5f149ae18840b0742a825a97

          • \00adc31d558a737310\_sfx_.dll

            Filesize

            25KB

            MD5

            ee207e35aea4d5df41d90221e1b66efa

            SHA1

            757469cf9ad2f21f267bbe730560114fdf8a89a5

            SHA256

            cf64c95e9a2d02967efc22b00efb3736156b913a95231eb63c1df45d43475e64

            SHA512

            43e9f75725daa4f3428b2d9cee2c2cc8b2f2e991b8e58d72d2f429fbdfb614c86d172f03d3f9da98756bd4e245643d9a57c6efa422d6c60ad364a2322245542d

          • \00adc31d558a737310\update\updspapi.dll

            Filesize

            331KB

            MD5

            eb5c64286d987337f702813e73fcf615

            SHA1

            77c393b4cf5b61c29afa408ec1ebd93b22271e3f

            SHA256

            44062d8525a1de307491a46376d1831e23c27c18edb3de8f142d83eb7a21fc52

            SHA512

            0c71779a7b5a3507b5d0ccc0f9ff785032e1d8c32e76a0c0acadfd531d9ca87b61fd9742d69c610823a4315e181ad41f561811badbc262052d0f3ba86b9237a6

          • memory/1092-23-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/1976-134-0x0000000001000000-0x000000000112E000-memory.dmp

            Filesize

            1.2MB

          • memory/1976-132-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1976-122-0x00000000005F0000-0x00000000005F1000-memory.dmp

            Filesize

            4KB

          • memory/1976-124-0x0000000001000000-0x000000000112E000-memory.dmp

            Filesize

            1.2MB

          • memory/1976-123-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2492-62-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-77-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-33-0x0000000000770000-0x0000000000771000-memory.dmp

            Filesize

            4KB

          • memory/2492-18-0x0000000001002000-0x0000000001003000-memory.dmp

            Filesize

            4KB

          • memory/2492-9-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-13-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-10-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-17-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-16-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-31-0x0000000000770000-0x0000000000771000-memory.dmp

            Filesize

            4KB

          • memory/2492-30-0x0000000000760000-0x0000000000762000-memory.dmp

            Filesize

            8KB

          • memory/2492-14-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-0-0x0000000001000000-0x00000000010B6000-memory.dmp

            Filesize

            728KB

          • memory/2492-63-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-67-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-71-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-75-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-11-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-81-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-35-0x0000000001000000-0x00000000010B6000-memory.dmp

            Filesize

            728KB

          • memory/2492-107-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-108-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-34-0x0000000000760000-0x0000000000762000-memory.dmp

            Filesize

            8KB

          • memory/2492-111-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-8-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-12-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-3-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-127-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-129-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-130-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB

          • memory/2492-2-0x00000000007E0000-0x0000000000896000-memory.dmp

            Filesize

            728KB

          • memory/2492-1-0x00000000007E0000-0x0000000000896000-memory.dmp

            Filesize

            728KB

          • memory/2492-147-0x0000000000760000-0x0000000000762000-memory.dmp

            Filesize

            8KB

          • memory/2492-158-0x0000000001000000-0x00000000010B6000-memory.dmp

            Filesize

            728KB

          • memory/2492-159-0x00000000024C0000-0x000000000357A000-memory.dmp

            Filesize

            16.7MB