Analysis

  • max time kernel
    105s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/03/2025, 23:13

General

  • Target

    8405b32df0767368b123afa147c5c6f4d2b122ff9d09abf12ccff1c6554f0ef9.exe

  • Size

    3.0MB

  • MD5

    239db0d31529adbd52cd3481b997bf41

  • SHA1

    d5b107106b350cf1165ba07dfe9c2dafa3d05cd2

  • SHA256

    8405b32df0767368b123afa147c5c6f4d2b122ff9d09abf12ccff1c6554f0ef9

  • SHA512

    1c3c73ffef6fcf87277964bab9d9a676591d58f7a521dd2bf440021f166e22b0b018bff8ee1005508399b8ef81d927847eb0b63a02938f1db4ae24685bdd11be

  • SSDEEP

    49152:xZ4rujE/CLlVl80CdSI3LdmLgWtAjkhA486LqmQKzeFH/LNqAznw+l:x+ruj+CLflabdSgGh+6OFGUwm

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
  • UPX packed file 6 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Users\Admin\AppData\Local\Temp\8405b32df0767368b123afa147c5c6f4d2b122ff9d09abf12ccff1c6554f0ef9.exe
          "C:\Users\Admin\AppData\Local\Temp\8405b32df0767368b123afa147c5c6f4d2b122ff9d09abf12ccff1c6554f0ef9.exe"
          1⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • 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:1480

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1480-0-0x0000000000400000-0x000000000071D000-memory.dmp

          Filesize

          3.1MB

        • memory/1480-1-0x0000000002640000-0x00000000036FA000-memory.dmp

          Filesize

          16.7MB

        • memory/1480-3-0x0000000002640000-0x00000000036FA000-memory.dmp

          Filesize

          16.7MB

        • memory/1480-4-0x0000000002640000-0x00000000036FA000-memory.dmp

          Filesize

          16.7MB

        • memory/1480-6-0x0000000002640000-0x00000000036FA000-memory.dmp

          Filesize

          16.7MB

        • memory/1480-22-0x0000000000400000-0x000000000071D000-memory.dmp

          Filesize

          3.1MB

        • memory/1480-16-0x0000000002640000-0x00000000036FA000-memory.dmp

          Filesize

          16.7MB

        • memory/1480-15-0x000000006DAA0000-0x000000006DAB0000-memory.dmp

          Filesize

          64KB

        • memory/1480-5-0x0000000002640000-0x00000000036FA000-memory.dmp

          Filesize

          16.7MB