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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
    28/09/2024, 14:49

General

  • Target

    0768fbb50e2e83bc87248cc48e36dc3c3b6f22cf59ac1ee9dd3e8a60e22792b1N.dll

  • Size

    120KB

  • MD5

    8f7aa4045176c2123252c7f8bb6ea6b0

  • SHA1

    cda00035c77c513167cf8948455da7e1b1fa0ba8

  • SHA256

    0768fbb50e2e83bc87248cc48e36dc3c3b6f22cf59ac1ee9dd3e8a60e22792b1

  • SHA512

    d231a9a84c6096cd03f871835df0ed32736b1207fadfd3c5797b4f7355b9dc9f7fd4515103a29fdc09774737b55e59989ed1ff17afad5bcf1160612355ca7d3f

  • SSDEEP

    3072:RB7CtxlSlOBZ94N3jvbV3o6lfom+mIHJhnK:PG52OBZKFDfjeh

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.

  • 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 25 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:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\0768fbb50e2e83bc87248cc48e36dc3c3b6f22cf59ac1ee9dd3e8a60e22792b1N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2384
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\0768fbb50e2e83bc87248cc48e36dc3c3b6f22cf59ac1ee9dd3e8a60e22792b1N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2376
              • C:\Users\Admin\AppData\Local\Temp\f76b174.exe
                C:\Users\Admin\AppData\Local\Temp\f76b174.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:2056
              • C:\Users\Admin\AppData\Local\Temp\f76b329.exe
                C:\Users\Admin\AppData\Local\Temp\f76b329.exe
                4⤵
                • Executes dropped EXE
                PID:2712
              • C:\Users\Admin\AppData\Local\Temp\f76cd5d.exe
                C:\Users\Admin\AppData\Local\Temp\f76cd5d.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:2716
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1608

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76b174.exe

            Filesize

            97KB

            MD5

            6bb039a128a6cae725228f0e17d1d8ac

            SHA1

            f63a861fb8aeaca2b02b70c081748d66b5158cc0

            SHA256

            f25ebab916af2f5364999430726147f60e9848c949df2f41cc949f4bc762ed8f

            SHA512

            c48b8a5e4e3689820dc587c07d2e32fe0995056788884e1a4ba13d1945ea36a05a76b83f49367638a75cd2be7f408871fff16ecb3aa4fb59a9b6f294565420ab

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            4a39bcae777f76b247b2b2725823600f

            SHA1

            26f70ccbd395ae4f413b60049070dbb534b2d653

            SHA256

            f9ad73b94de14a814a8ce3da9c2316a73da5e04571b1b6b66947a34ed6c43533

            SHA512

            d6d00943ebe608bf27a5d9fca44a3a3096bee9d1d25204db3db7899059e6537932c6ddb3c430851e064080f57ed3d044a9aa53cb1e72bb50a13d804507c3f766

          • memory/1116-29-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/2056-89-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-23-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-12-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-16-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-18-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-15-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-19-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-14-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-21-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-51-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2056-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2056-64-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-65-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-59-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2056-90-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-70-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-22-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-49-0x0000000000600000-0x0000000000601000-memory.dmp

            Filesize

            4KB

          • memory/2056-66-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-20-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-85-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-83-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2056-71-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-17-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2056-158-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-87-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-67-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2056-68-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2376-60-0x0000000000460000-0x0000000000472000-memory.dmp

            Filesize

            72KB

          • memory/2376-61-0x0000000000420000-0x0000000000422000-memory.dmp

            Filesize

            8KB

          • memory/2376-80-0x0000000000420000-0x0000000000422000-memory.dmp

            Filesize

            8KB

          • memory/2376-39-0x0000000000420000-0x0000000000422000-memory.dmp

            Filesize

            8KB

          • memory/2376-84-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2376-40-0x0000000000430000-0x0000000000431000-memory.dmp

            Filesize

            4KB

          • memory/2376-48-0x0000000000430000-0x0000000000431000-memory.dmp

            Filesize

            4KB

          • memory/2376-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2376-58-0x0000000000420000-0x0000000000422000-memory.dmp

            Filesize

            8KB

          • memory/2376-10-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2376-6-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2712-110-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2712-132-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2712-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2712-103-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2712-102-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2712-184-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2716-113-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2716-112-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2716-170-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2716-211-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2716-212-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB