Analysis

  • max time kernel
    74s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 18:52

General

  • Target

    89afde75bcb736e829a099e810038c839b513d48eac58b6e9dce71aee011668eN.dll

  • Size

    120KB

  • MD5

    c1b347d54509efb5a09f0445298f5c60

  • SHA1

    07a6f1462097bf59454509f8261badee55de67ff

  • SHA256

    89afde75bcb736e829a099e810038c839b513d48eac58b6e9dce71aee011668e

  • SHA512

    f5400295b9e02f305aa2eff5d84a64a22bd3044c4b2c7dab05b21b3316bd3f3aaf728ac3706abe5e910cc9458ee45b930dc242906564b1fb941c6a375d6a892d

  • SSDEEP

    3072:eOsVtD0/PwyPhG75qZCNcQ/b1mfU4J6FsI:eOkabP05qwiA1mRmsI

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 17 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 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1056
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\89afde75bcb736e829a099e810038c839b513d48eac58b6e9dce71aee011668eN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2692
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\89afde75bcb736e829a099e810038c839b513d48eac58b6e9dce71aee011668eN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2820
              • C:\Users\Admin\AppData\Local\Temp\f76f103.exe
                C:\Users\Admin\AppData\Local\Temp\f76f103.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:2980
              • C:\Users\Admin\AppData\Local\Temp\f76f27a.exe
                C:\Users\Admin\AppData\Local\Temp\f76f27a.exe
                4⤵
                • Executes dropped EXE
                PID:2404
              • C:\Users\Admin\AppData\Local\Temp\f770cdc.exe
                C:\Users\Admin\AppData\Local\Temp\f770cdc.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:1248
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1556

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            37e2a003896564aee436c7aba61f6d93

            SHA1

            bdf4e35750e9348822f9805e1a1acaa807c64096

            SHA256

            f6af5f84d5f6f78455ef9a9f5bdcdb62720ad4713008a3a6296569e9006e6d94

            SHA512

            848d4cd508f6b268596beae70c39ea2b099bb27e38d44b7cd959474615e4c1ab3fb95a5fb691036d1b559941e0f6c3b4208b136a1c7b19d72eecd9e64e83d499

          • \Users\Admin\AppData\Local\Temp\f76f103.exe

            Filesize

            97KB

            MD5

            3208517b67322128f06c5e202f6d6e61

            SHA1

            017ccd84b13068e37d961fb9669a9c851d9883d0

            SHA256

            2382e45fcad6e70ce4684133fc3ab7b50221e90ebb87f93b4be285b2d9796de4

            SHA512

            e46d674fb549742a55b656e3cca7ee85c8eef5b65c85160fb487ec47af935cb121dd7593965b997a07b82bf8e124fd648314e117974008a3a0766f44a1cb883d

          • memory/1056-32-0x0000000001FF0000-0x0000000001FF2000-memory.dmp

            Filesize

            8KB

          • memory/1248-106-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/1248-216-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1248-215-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1248-171-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1248-137-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1248-108-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2404-188-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2404-99-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2404-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2404-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2404-98-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2404-130-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2820-57-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2820-83-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2820-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2820-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2820-47-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2820-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2820-39-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2820-38-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2820-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2820-6-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/2820-13-0x0000000000110000-0x0000000000122000-memory.dmp

            Filesize

            72KB

          • memory/2820-60-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2820-59-0x0000000000190000-0x00000000001A2000-memory.dmp

            Filesize

            72KB

          • memory/2820-79-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2980-17-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-50-0x0000000003040000-0x0000000003042000-memory.dmp

            Filesize

            8KB

          • memory/2980-65-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-67-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-66-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-69-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-70-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-64-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-23-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-76-0x0000000003040000-0x0000000003042000-memory.dmp

            Filesize

            8KB

          • memory/2980-85-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-87-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-89-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-58-0x0000000003040000-0x0000000003042000-memory.dmp

            Filesize

            8KB

          • memory/2980-26-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-63-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-109-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-24-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-110-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-21-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-112-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-19-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-18-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-159-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-20-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-22-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2980-48-0x0000000003050000-0x0000000003051000-memory.dmp

            Filesize

            4KB

          • memory/2980-25-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB