Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 21:25

General

  • Target

    3a176588462dff03c1e48e8ff219f6a65aab9b483536efefbef4995365e46080.dll

  • Size

    120KB

  • MD5

    9ad0928a9b68983ddd91486f08f93f59

  • SHA1

    afe524e9362c762fded773fa0a17185126563322

  • SHA256

    3a176588462dff03c1e48e8ff219f6a65aab9b483536efefbef4995365e46080

  • SHA512

    2319d377d09b2285a2ca3b9256450404f1a692a5ed17fb1e8c4eb34bd4a00998ba788274478b884042c0bfc3e1d6f2a19cdff5138bc9f5c3818c9f83178ead48

  • SSDEEP

    3072:5JdZTluJGGk0HVeqBQs+lfYEhAwtGCbC6vdR:JZTkJGGkieKQs+/FrbfF

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 16 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 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:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1232
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a176588462dff03c1e48e8ff219f6a65aab9b483536efefbef4995365e46080.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2120
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a176588462dff03c1e48e8ff219f6a65aab9b483536efefbef4995365e46080.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2180
              • C:\Users\Admin\AppData\Local\Temp\f768eb8.exe
                C:\Users\Admin\AppData\Local\Temp\f768eb8.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:1708
              • C:\Users\Admin\AppData\Local\Temp\f76906d.exe
                C:\Users\Admin\AppData\Local\Temp\f76906d.exe
                4⤵
                • Executes dropped EXE
                PID:2240
              • C:\Users\Admin\AppData\Local\Temp\f76aa43.exe
                C:\Users\Admin\AppData\Local\Temp\f76aa43.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:2352
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1224

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            d6a26b661574baca184213fb465cb673

            SHA1

            326159102a08c9e24b4b1b95424a83dfd851ccd0

            SHA256

            4fb59c617c52ae80b39506f162f2483ec5b532823c679f3f07437d03467d3d06

            SHA512

            575c2482ca063d17a6adc41371bbc4f1b294e3556f356e133215e8af8187b873c5bccd3eb8bedb5512490d547d1f27bc03252a5949208e2dc426fe5b9b021e1d

          • \Users\Admin\AppData\Local\Temp\f768eb8.exe

            Filesize

            97KB

            MD5

            c18e5a4bb86762932f7990aa8ec9c0bb

            SHA1

            e65ff06013a382aa971f3e5b8e3b3e4eb8f309b0

            SHA256

            b68ff82f1b2c4a0e7893040c76496d69d819d5c88a8a72f89013cddd77f99cee

            SHA512

            dc60f1b17520ed39a20346b87523bd9c5102246399270e5e4db4609f1b3be3dcfc4845d0de3fa6c7d86f752d4a09799d02558368275a93f2d90c8d443fbaaf6f

          • memory/1108-27-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/1708-65-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-26-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-157-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1708-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1708-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-23-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-69-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-92-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-89-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-25-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-24-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-59-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/1708-87-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-85-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/1708-72-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-71-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-45-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/1708-68-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-111-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-22-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-66-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-67-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1708-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2180-57-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2180-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2180-44-0x0000000000290000-0x0000000000291000-memory.dmp

            Filesize

            4KB

          • memory/2180-53-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2180-56-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/2180-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2180-7-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2180-84-0x0000000000350000-0x0000000000362000-memory.dmp

            Filesize

            72KB

          • memory/2180-34-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2180-35-0x0000000000290000-0x0000000000291000-memory.dmp

            Filesize

            4KB

          • memory/2180-212-0x0000000000350000-0x0000000000362000-memory.dmp

            Filesize

            72KB

          • memory/2180-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2180-13-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2180-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2240-182-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2240-101-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2240-100-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2240-108-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2240-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2352-107-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2352-110-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2352-109-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2352-183-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2352-211-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2352-210-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB