Analysis

  • max time kernel
    119s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2024, 02:39

General

  • Target

    27f1832257fca01fb31dcb7a4c626558e9109cc3e510ef3ee8103a9081d6dfb9N.dll

  • Size

    120KB

  • MD5

    c980290cb64d969311c0660848a48570

  • SHA1

    fb7ba2c165950b9c9c86dfac79417502ff64cacf

  • SHA256

    27f1832257fca01fb31dcb7a4c626558e9109cc3e510ef3ee8103a9081d6dfb9

  • SHA512

    ec5e98ad029929fc9e4c7c906ac06736b89626dd65c4c41b42f9493426e8badd64a94ff6d72f7f0e25dcabb416e7d90cd602b0fa8c47dd42a360278f03b17ee8

  • SSDEEP

    1536:xSw75ive6oA72hCNIgtr+AZdugMSsw83QlTJPwX54bWmFMHrRI/5HYQnBFLHnT1T:DNiW6vawv+WAgMkrK54bWmfNjB1pT

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 10 IoCs

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

  • UPX packed file 23 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 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1048
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1120
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1168
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\27f1832257fca01fb31dcb7a4c626558e9109cc3e510ef3ee8103a9081d6dfb9N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2948
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\27f1832257fca01fb31dcb7a4c626558e9109cc3e510ef3ee8103a9081d6dfb9N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2296
              • C:\Users\Admin\AppData\Local\Temp\f76e15a.exe
                C:\Users\Admin\AppData\Local\Temp\f76e15a.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:372
              • C:\Users\Admin\AppData\Local\Temp\f76e3da.exe
                C:\Users\Admin\AppData\Local\Temp\f76e3da.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:2648
              • C:\Users\Admin\AppData\Local\Temp\f76fce5.exe
                C:\Users\Admin\AppData\Local\Temp\f76fce5.exe
                4⤵
                • Executes dropped EXE
                PID:2584
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1984

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  f7b2e5801916fe56cbd7bc1765a44903

                  SHA1

                  9ad9edcf133a812706c7e8d8073794a79e6cba57

                  SHA256

                  4a1d537a207bfedf8a3b0b192bfccc79c66e66a71a9e50c5fd1260b1a5be2785

                  SHA512

                  1c216914d4517b832af3923cafac15737f72871bc5bbd236f6ed8aa4db0e00d07c4b9d93d887899de090f8a66ca29e39e59afb98e0b69b22f7cf2a4df877c527

                • \Users\Admin\AppData\Local\Temp\f76e15a.exe

                  Filesize

                  97KB

                  MD5

                  83159e3fc5788b3155febdb35f297757

                  SHA1

                  4d6f1281f01ba684c8689798a5f9f715be96fb5e

                  SHA256

                  9633b65b72cda175b870d0e5ae6b56ce0b614e66a79a1a6222eb2619f65f128c

                  SHA512

                  0699ab629aab53d13725ab4188fe74c4ee60a31df0e71945e092875da936643c01bc543a442ec5e4a61cf6f80bc687b7586375406b30c7c8dbe46278fd3fb45e

                • memory/372-81-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-40-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-13-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-15-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-60-0x0000000000310000-0x0000000000312000-memory.dmp

                  Filesize

                  8KB

                • memory/372-16-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-143-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/372-107-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-39-0x0000000000320000-0x0000000000321000-memory.dmp

                  Filesize

                  4KB

                • memory/372-105-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-104-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-19-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-142-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-64-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-65-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-26-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-79-0x0000000000310000-0x0000000000312000-memory.dmp

                  Filesize

                  8KB

                • memory/372-18-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-80-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-17-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-14-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-20-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-42-0x0000000000310000-0x0000000000312000-memory.dmp

                  Filesize

                  8KB

                • memory/372-61-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-62-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/372-63-0x00000000006A0000-0x000000000175A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1048-21-0x0000000000310000-0x0000000000312000-memory.dmp

                  Filesize

                  8KB

                • memory/2296-30-0x0000000000270000-0x0000000000272000-memory.dmp

                  Filesize

                  8KB

                • memory/2296-77-0x0000000000200000-0x0000000000202000-memory.dmp

                  Filesize

                  8KB

                • memory/2296-75-0x0000000000270000-0x0000000000272000-memory.dmp

                  Filesize

                  8KB

                • memory/2296-41-0x0000000000280000-0x0000000000281000-memory.dmp

                  Filesize

                  4KB

                • memory/2296-57-0x0000000000290000-0x00000000002A2000-memory.dmp

                  Filesize

                  72KB

                • memory/2296-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2296-10-0x0000000000200000-0x0000000000212000-memory.dmp

                  Filesize

                  72KB

                • memory/2296-3-0x0000000000200000-0x0000000000212000-memory.dmp

                  Filesize

                  72KB

                • memory/2296-58-0x0000000000270000-0x0000000000272000-memory.dmp

                  Filesize

                  8KB

                • memory/2296-31-0x0000000000280000-0x0000000000281000-memory.dmp

                  Filesize

                  4KB

                • memory/2296-55-0x0000000000270000-0x0000000000272000-memory.dmp

                  Filesize

                  8KB

                • memory/2584-174-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2584-101-0x0000000000270000-0x0000000000271000-memory.dmp

                  Filesize

                  4KB

                • memory/2584-103-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2584-163-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2648-99-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB

                • memory/2648-59-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2648-119-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB

                • memory/2648-162-0x00000000009C0000-0x0000000001A7A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2648-100-0x0000000000220000-0x0000000000222000-memory.dmp

                  Filesize

                  8KB

                • memory/2648-169-0x00000000009C0000-0x0000000001A7A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2648-170-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2648-92-0x0000000000230000-0x0000000000231000-memory.dmp

                  Filesize

                  4KB