Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    10/11/2024, 11:21

General

  • Target

    3bc081def2c262543c42c19601fc5b45076b8287e0632fde2c989791ba59f106N.dll

  • Size

    120KB

  • MD5

    355e949ac79099c6fba5564a94406690

  • SHA1

    4d3d6f66565b49b4196164900dd7d3906f5aa7c0

  • SHA256

    3bc081def2c262543c42c19601fc5b45076b8287e0632fde2c989791ba59f106

  • SHA512

    90300cff4c8ec8d7fd748ed6c827302680149455737e69a90740f0439139b08fb97d6971d7b3cf2d1b8cc30516a0339f5254e8865fc602404da96c44aaaaffc6

  • SSDEEP

    3072:3vhaXH3BaioPJYx+ESno1xyINnc07nPM8:fiRaDPlESnkxyIN5n

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 14 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 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:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bc081def2c262543c42c19601fc5b45076b8287e0632fde2c989791ba59f106N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2212
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bc081def2c262543c42c19601fc5b45076b8287e0632fde2c989791ba59f106N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2220
              • C:\Users\Admin\AppData\Local\Temp\f771fb1.exe
                C:\Users\Admin\AppData\Local\Temp\f771fb1.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:2656
              • C:\Users\Admin\AppData\Local\Temp\f772137.exe
                C:\Users\Admin\AppData\Local\Temp\f772137.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:2076
              • C:\Users\Admin\AppData\Local\Temp\f773e29.exe
                C:\Users\Admin\AppData\Local\Temp\f773e29.exe
                4⤵
                • Executes dropped EXE
                PID:2988
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1288

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            dff5132f55256ca3ec9c8d4e3557848d

            SHA1

            d4366c4130b9e41b4e0565d918ae414574d42aa7

            SHA256

            9e48737e13520048e0704ee1dab63089f5b8090349b2138bea8c14f8f1a71281

            SHA512

            90636fe81b895a4a704ffc904bc46a6585fae1d14e2cfa297b34c33f33b27d73406276e62355b006d05125403af09ce77434c154489387667b34d53fc809b2a2

          • \Users\Admin\AppData\Local\Temp\f771fb1.exe

            Filesize

            97KB

            MD5

            004be99f353c22b5891ccab53200af2e

            SHA1

            293a1667bb4ba8ae54cc487cb224e78037468112

            SHA256

            506ba279e3ce09813a3a6af01b71146567c7c9315e020a6696ddadd36e95df18

            SHA512

            7ea08d5ea704634d01a7773d8e92ca162005baf565a572d6526c24019fd66d4ce3098031cece665bb6473e0aaa263db7f81b6d1aa32bdb6ca97105b40ab1e5ec

          • memory/1120-28-0x00000000021F0000-0x00000000021F2000-memory.dmp

            Filesize

            8KB

          • memory/2076-193-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2076-192-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-164-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2076-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2076-97-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2076-98-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2076-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2220-60-0x00000000006F0000-0x0000000000702000-memory.dmp

            Filesize

            72KB

          • memory/2220-61-0x00000000006F0000-0x0000000000702000-memory.dmp

            Filesize

            72KB

          • memory/2220-49-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2220-9-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2220-46-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2220-39-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2220-37-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2220-36-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2220-6-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2220-78-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2220-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2656-66-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-21-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-14-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-45-0x0000000003E20000-0x0000000003E21000-memory.dmp

            Filesize

            4KB

          • memory/2656-17-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-18-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-58-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-59-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-63-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-64-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-22-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-67-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-68-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-69-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-47-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2656-19-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-82-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-84-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-86-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-15-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-20-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2656-50-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2656-16-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2656-155-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2656-12-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-165-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2988-105-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2988-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2988-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2988-197-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB