Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 23:59

General

  • Target

    7a6be4c5fcaace12714e5bd3cb170b645655c79997cbcd7d7fcb4a5b1a0bd2de.exe

  • Size

    767KB

  • MD5

    f48c142ac82f6874d1256c5f266a6ef2

  • SHA1

    bb1d810cfa29eab5d37543ddca8b643887ac5855

  • SHA256

    7a6be4c5fcaace12714e5bd3cb170b645655c79997cbcd7d7fcb4a5b1a0bd2de

  • SHA512

    6d038c06a69c9cf446b002d1cc9297051e87478e6a7d755152a5309ca587b37b727d13903a322a4ffa757d95024c26ef4d2b06eb3856d9f9f79fa5ee705a4def

  • SSDEEP

    12288:AdsBWptwlMYHUVmkzTyuhdQFdOq8mC4qJQAwXIoccqWT8kSHi6GP0gd6m56FliAV:AW0pmmY0Vm+1hd5t7w9ccGC6GPB8iAV

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 5 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 8 IoCs

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

  • UPX packed file 26 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 24 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1048
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1056
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1124
          • C:\Users\Admin\AppData\Local\Temp\7a6be4c5fcaace12714e5bd3cb170b645655c79997cbcd7d7fcb4a5b1a0bd2de.exe
            "C:\Users\Admin\AppData\Local\Temp\7a6be4c5fcaace12714e5bd3cb170b645655c79997cbcd7d7fcb4a5b1a0bd2de.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:1780
            • \??\c:\04745c5de6d397aed09905fe59\update\update.exe
              c:\04745c5de6d397aed09905fe59\update\update.exe
              3⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              PID:1196
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1472

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\0F76E282_Rar\7a6be4c5fcaace12714e5bd3cb170b645655c79997cbcd7d7fcb4a5b1a0bd2de.exe

            Filesize

            703KB

            MD5

            12a8816119a4982fd8e522fb974ee284

            SHA1

            5728e05c61af004536d5c0b65cca0fefd89066c0

            SHA256

            ca81e833aca7a7b9c41038dedbf85e9381e709fd558c36c4e4c272231e411063

            SHA512

            75d971b1112eef2250c9a91337d228a914daa82885b1132228988c4e62dca228bfd51f150698696523870b5e064e0530a523b7a7a828079e29a031c7eb24176a

          • \04745c5de6d397aed09905fe59\update\update.exe

            Filesize

            700KB

            MD5

            13f40799bd1bf4b7e3e8c77194121342

            SHA1

            2d723e5d9abc98f1432c939cd7626d102469c12d

            SHA256

            2a12d2bcb26e96babbc82737ffe30d76afe7db8daf40c7c3594d9665d5dfdb17

            SHA512

            237d7fb124a7b577598e1f2191afc80513992c0af9e290956b82aae18d8c6daeb3dfab457deb3378e2b17d69c17d757faf98a8b5ea0cee7d3c50b18367312aed

          • \04745c5de6d397aed09905fe59\update\updspapi.dll

            Filesize

            363KB

            MD5

            94b3ff0f65e277bdbbc5e39747ea034d

            SHA1

            4bfb51f6d77f5123728c0bf360f4396617c1cd5e

            SHA256

            5e4f341be4c0627d02282aad5f1df9a73cf9600f41325c0fd3783f119f421b81

            SHA512

            8643b0b7c38e9fa18d1537bb783a6674e37600d2e882d7ea66c26ffb761eaeeb87a69d04513525c34b2dea964b8a90cd11c4a2e863ac58766c4d5b06ddf47d24

          • \??\c:\04745c5de6d397aed09905fe59\update\update.inf

            Filesize

            8KB

            MD5

            53f295b0d5174cae972a2ac2ffd5ff77

            SHA1

            6a012113496c8f0857a0e741a5375e8c1dbcf0fe

            SHA256

            b1b0c9fc7967e8897a411b22e37fe6dda27c401de1e867440f94caf085cbdb05

            SHA512

            9dd2a798ce0e6a35a97acd38bc4dcb713f86e9697b0889a81907454f80f6be98973a7569cfddd88bbaeb21099ea0ef345c5d791993cacf1d8163bdd1c821c7e2

          • memory/1048-25-0x00000000003A0000-0x00000000003A2000-memory.dmp

            Filesize

            8KB

          • memory/1196-121-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/1196-123-0x0000000001000000-0x000000000112C000-memory.dmp

            Filesize

            1.2MB

          • memory/1196-107-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/1196-109-0x0000000001000000-0x000000000112C000-memory.dmp

            Filesize

            1.2MB

          • memory/1196-108-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/1780-32-0x0000000000420000-0x0000000000422000-memory.dmp

            Filesize

            8KB

          • memory/1780-81-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-33-0x0000000000430000-0x0000000000431000-memory.dmp

            Filesize

            4KB

          • memory/1780-14-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-13-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-9-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-63-0x0000000000420000-0x0000000000422000-memory.dmp

            Filesize

            8KB

          • memory/1780-7-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-17-0x0000000001002000-0x0000000001003000-memory.dmp

            Filesize

            4KB

          • memory/1780-16-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-35-0x0000000000430000-0x0000000000431000-memory.dmp

            Filesize

            4KB

          • memory/1780-12-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-76-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-75-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-77-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-78-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-79-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-0-0x0000000001000000-0x00000000010D4000-memory.dmp

            Filesize

            848KB

          • memory/1780-82-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-83-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-85-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-90-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-93-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-10-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-15-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-11-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-110-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-112-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-115-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-116-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-8-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-1-0x0000000000310000-0x00000000003E4000-memory.dmp

            Filesize

            848KB

          • memory/1780-144-0x0000000000420000-0x0000000000422000-memory.dmp

            Filesize

            8KB

          • memory/1780-162-0x00000000024E0000-0x000000000359A000-memory.dmp

            Filesize

            16.7MB

          • memory/1780-161-0x0000000001000000-0x00000000010D4000-memory.dmp

            Filesize

            848KB