Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 14:39

General

  • Target

    cab904b703100f96d4b4fe6e32e7a392e4a69dee3c9d4c0fe440d737aa44be2fN.dll

  • Size

    120KB

  • MD5

    a00809ab93a1d5c249df250cfb57bd20

  • SHA1

    79b1508b35d7de48ff64476d7bf7d4e4ca66cdb6

  • SHA256

    cab904b703100f96d4b4fe6e32e7a392e4a69dee3c9d4c0fe440d737aa44be2f

  • SHA512

    231fc1f12cbc8cfca2cc74f972576a77c3c8d6b546c9560ae3e0625e3a70a235bb4cc45b35cb1c97b05fe53ab18e6210271ecaa737acf3c638d7010560c16ceb

  • SSDEEP

    3072:CjC8+52JfyUtXx/DlJ6hDLCnzTr667fDd72BS:ClLZ7ZJ6hDunnrr7fDB2

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 2 IoCs

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

  • UPX packed file 13 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:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\cab904b703100f96d4b4fe6e32e7a392e4a69dee3c9d4c0fe440d737aa44be2fN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2096
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\cab904b703100f96d4b4fe6e32e7a392e4a69dee3c9d4c0fe440d737aa44be2fN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2548
              • C:\Users\Admin\AppData\Local\Temp\f76ceb4.exe
                C:\Users\Admin\AppData\Local\Temp\f76ceb4.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:1944
              • C:\Users\Admin\AppData\Local\Temp\f76d088.exe
                C:\Users\Admin\AppData\Local\Temp\f76d088.exe
                4⤵
                • Executes dropped EXE
                PID:2736
              • C:\Users\Admin\AppData\Local\Temp\f76ea7e.exe
                C:\Users\Admin\AppData\Local\Temp\f76ea7e.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:2664
        • 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:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            0a5e2e23e300853887d82b93ebb61d70

            SHA1

            a0dc0453c3a7ee944dec68b507ded27b9f2bb443

            SHA256

            8bb37364f5065c0db983b5e015a0ad56559abf640d037dacf05fbb5cc868c3c3

            SHA512

            eafaacc10d68cdbf7d885106e355681aed170990fe09a6bd5b022be1e084d44ee58e888e36c7f181e09c932ee9d8096b8a355d4a7e86799f0f4570e5b1784762

          • \Users\Admin\AppData\Local\Temp\f76ceb4.exe

            Filesize

            97KB

            MD5

            30cd8bd3b20d109bd6392e13892591c5

            SHA1

            c6a79c2d60ceb979f825d44c1b0c3b8b819a3fa2

            SHA256

            3ca6b21cd3ceb61bac6d47bb6760c9b327fa1eaf7bbe30dce0960508857a34be

            SHA512

            9b36db6fe29ea79c507aec10537b0f34d079508cd356cd82b515c173a6665bbbff64921d596d12891d49a3ce00781a7d69d2bd351844ea92c8d4da9844bbb5b9

          • memory/1108-26-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/1944-15-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1944-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1944-109-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1944-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1944-21-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1944-107-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1944-23-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1944-62-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1944-22-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1944-16-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1944-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1944-20-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1944-51-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1944-49-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/1944-24-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1944-43-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2548-35-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2548-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2548-34-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2548-37-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2548-48-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2548-59-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/2548-60-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/2548-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2548-7-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2548-65-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2548-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2548-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2664-95-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2664-93-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2664-92-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2664-75-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2664-118-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2664-165-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2664-164-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2736-86-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2736-96-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2736-94-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2736-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB