Analysis

  • max time kernel
    30s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 03:35

General

  • Target

    5880ab2ee457bcf10ad3f4ea56319a05e06391975753e9d4e0be748fab6ee1c9N.dll

  • Size

    120KB

  • MD5

    df5c0c149597da0c3f381f99477d9580

  • SHA1

    fa49072965237ed6a285de689b7a36dbdfad3a3d

  • SHA256

    5880ab2ee457bcf10ad3f4ea56319a05e06391975753e9d4e0be748fab6ee1c9

  • SHA512

    b1ac261c1041cd1e8323090fc4c3d1eac7680ce09d0eb9fa188392fdc77a252f702fb7ead683ea0c37a6556421d2602b3c2dcc0b24e24a806ef055f3268517f0

  • SSDEEP

    3072:bxrqZzLskmmOzCf1Pnn4khqb7yih1AHhjJGDx:bxrq316nxADG

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 9 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 15 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 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 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1236
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5880ab2ee457bcf10ad3f4ea56319a05e06391975753e9d4e0be748fab6ee1c9N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2432
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5880ab2ee457bcf10ad3f4ea56319a05e06391975753e9d4e0be748fab6ee1c9N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2056
              • C:\Users\Admin\AppData\Local\Temp\f76cd7c.exe
                C:\Users\Admin\AppData\Local\Temp\f76cd7c.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:2356
              • C:\Users\Admin\AppData\Local\Temp\f76cef3.exe
                C:\Users\Admin\AppData\Local\Temp\f76cef3.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 policy modification
                PID:2956
              • C:\Users\Admin\AppData\Local\Temp\f76ec33.exe
                C:\Users\Admin\AppData\Local\Temp\f76ec33.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:1600
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1060

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            b2c2c39f25498cf189b9150fd27c66e6

            SHA1

            670edbf2922d2a1a43cd61beaa3a0bdb0db96031

            SHA256

            37a6cb16ff2de3aad1eb0e23ceace87775fa9ae064da131aba9b7b4e1d80168e

            SHA512

            861caca37f9d046bdd957f4019421d47be82086050dca0441afbd30a2e378d063e484a35cb4b14f35c345e2da1808113ce4108f44b30fefd7c46256a4f2b4fbe

          • \Users\Admin\AppData\Local\Temp\f76cd7c.exe

            Filesize

            97KB

            MD5

            88067442deaaa41519b2e466526871d6

            SHA1

            9ae21d76351c3efb609f35a66cbf33b1aaa3e203

            SHA256

            78afcf920506ee1b62d377ffbf6841f26e3f4988b3412a4f9bf726983e427db8

            SHA512

            86ea01cfc605a35284929ddd89ee9027c6a7b0842e50f03f1e05d9a34ddf4a3409eb670fbd2c6184d671f61eb6653ae98e0b24c2e00423cde959cd75b7c3e6aa

          • memory/1112-27-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/1600-105-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/1600-104-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1600-201-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-228-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1600-134-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/1600-229-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-106-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2056-35-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2056-71-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2056-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2056-56-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2056-57-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2056-8-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2056-44-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2056-36-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2356-20-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-19-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-17-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-47-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2356-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2356-59-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-60-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-61-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-63-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-64-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-66-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-67-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2356-14-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-80-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-81-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-84-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-21-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-45-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/2356-15-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2356-16-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-11-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-108-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-18-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2356-154-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2356-13-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2956-177-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2956-176-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2956-95-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2956-96-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2956-103-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2956-230-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB