Analysis

  • max time kernel
    127s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2025 06:11

General

  • Target

    42b6dba82428f2c91c2caece265900ab79bf12be141360b73fe0f95b34486153.exe

  • Size

    417KB

  • MD5

    20647c8fdb9685e97d672ff405ebe702

  • SHA1

    4767e95b96baca189ada65f5dc4e6da290e7893f

  • SHA256

    42b6dba82428f2c91c2caece265900ab79bf12be141360b73fe0f95b34486153

  • SHA512

    341e805a3947fd76683daa959c7a7b3295645311b72eadf03b2f411324088550de1e3a325fc14a096a1f17ac997863a3aa10f083498a03877602c71a1f8d9997

  • SSDEEP

    6144:8OJZ2tEYDbcgLhLwbrHRc6mRI0UdRQ525yWCc12x4qZ3wGeNq:dJGrDbcgmbjNfLdCiyW/2iqZkY

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 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 20 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 29 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1248
          • C:\Users\Admin\AppData\Local\Temp\42b6dba82428f2c91c2caece265900ab79bf12be141360b73fe0f95b34486153.exe
            "C:\Users\Admin\AppData\Local\Temp\42b6dba82428f2c91c2caece265900ab79bf12be141360b73fe0f95b34486153.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • 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:1928
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1496

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\0F76D614_Rar\42b6dba82428f2c91c2caece265900ab79bf12be141360b73fe0f95b34486153.exe

            Filesize

            345KB

            MD5

            d533436c03ff6be712d28fcacecbe14a

            SHA1

            b9390dbd5124473156c573d5c0d96ce91c821cf6

            SHA256

            b410163207d473babfe1f231a4f891a00e7df12ab533fbcc48de773af7765e00

            SHA512

            8f19106df51b4b8eccdcf15f00829a49cafeb657bd935565c5b0f7ceafdaa236f59ee8ae329b02b7ab4cf73f64bb9698aab7f25535d864924d5ac0327e795ab8

          • C:\gmkyy.pif

            Filesize

            97KB

            MD5

            dad2bbd2cefefb690e9d458b9e95cb20

            SHA1

            f611753682de0e4c73524e437539aa31a7c3333d

            SHA256

            03a2e445ed441b80dcd66d40aac8589357dbc65636ffe3dae1847275cce58ffd

            SHA512

            46b0c6117e8a206b87ab18f4b9d19a932b0d4ba9521fabe50431c5541ac6399b63bf32db455f0b00ec786b3df41dd61525f9955f37b4a8a83bc06ddd9f8d654a

          • memory/1100-20-0x00000000021F0000-0x00000000021F2000-memory.dmp

            Filesize

            8KB

          • memory/1928-42-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-3-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-8-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-44-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-9-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-14-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-13-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-39-0x0000000000610000-0x0000000000612000-memory.dmp

            Filesize

            8KB

          • memory/1928-37-0x0000000002F70000-0x0000000002F71000-memory.dmp

            Filesize

            4KB

          • memory/1928-31-0x0000000002F70000-0x0000000002F71000-memory.dmp

            Filesize

            4KB

          • memory/1928-30-0x0000000000610000-0x0000000000612000-memory.dmp

            Filesize

            8KB

          • memory/1928-7-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-40-0x0000000003150000-0x0000000003151000-memory.dmp

            Filesize

            4KB

          • memory/1928-5-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-11-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-41-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-43-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-0-0x0000000000400000-0x000000000046C000-memory.dmp

            Filesize

            432KB

          • memory/1928-12-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-10-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-48-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-47-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-49-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-52-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-53-0x0000000000610000-0x0000000000612000-memory.dmp

            Filesize

            8KB

          • memory/1928-55-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-57-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-66-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-69-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-72-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-76-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-78-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-85-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-87-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-89-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-45-0x0000000001DB0000-0x0000000002E6A000-memory.dmp

            Filesize

            16.7MB

          • memory/1928-172-0x0000000000400000-0x000000000046C000-memory.dmp

            Filesize

            432KB