Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 05:56

General

  • Target

    f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe

  • Size

    176KB

  • MD5

    c9567bfe37a45f6807c0b8efa58708be

  • SHA1

    3bbe0f649376f3b77593dc70a5ace0b3a31f289b

  • SHA256

    f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3

  • SHA512

    901c784cc7e81e4bca3782846b42b3543327983126fc025bd1ace833025da6f7ef8840b90c44cf4f42ec76490c0890194cf051c064c1bf7bcbf8ed3c80bc2cc6

  • SSDEEP

    3072:W4dkMa8usOxTBI/j6/aBI8uiSiZjGqY1zY39KELBJ5LkbEW+d0c0irf:mcAu2CBI8uR0A0NKELB7kb9NUrf

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • 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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Program crash 1 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of UnmapMainImage 1 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:340
        • C:\Users\Admin\AppData\Local\Temp\f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe
          "C:\Users\Admin\AppData\Local\Temp\f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe"
          1⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Loads dropped DLL
          • 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 UnmapMainImage
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:2644
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2644 -s 676
            2⤵
            • Program crash
            PID:2956
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2644 -ip 2644
          1⤵
            PID:4688

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\~TMA519.tmp

            Filesize

            1.6MB

            MD5

            4f3387277ccbd6d1f21ac5c07fe4ca68

            SHA1

            e16506f662dc92023bf82def1d621497c8ab5890

            SHA256

            767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

            SHA512

            9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

          • memory/2644-5-0x0000000002A30000-0x0000000003ABE000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-21-0x0000000077D82000-0x0000000077D84000-memory.dmp

            Filesize

            8KB

          • memory/2644-1-0x0000000000401000-0x0000000000402000-memory.dmp

            Filesize

            4KB

          • memory/2644-15-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/2644-14-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/2644-20-0x0000000077D84000-0x0000000077D85000-memory.dmp

            Filesize

            4KB

          • memory/2644-19-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/2644-13-0x00000000007D0000-0x00000000007D1000-memory.dmp

            Filesize

            4KB

          • memory/2644-8-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/2644-3-0x0000000000400000-0x0000000000435000-memory.dmp

            Filesize

            212KB

          • memory/2644-0-0x0000000000400000-0x0000000000435000-memory.dmp

            Filesize

            212KB

          • memory/2644-12-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/2644-22-0x0000000002A30000-0x0000000003ABE000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-10-0x0000000002A30000-0x0000000003ABE000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-7-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/2644-6-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/2644-2-0x0000000002A30000-0x0000000003ABE000-memory.dmp

            Filesize

            16.6MB