Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2024 12:11

General

  • Target

    1c64423afe71c8539881c789518416a72ef8ee611727513e1f47c9c9154bb782.exe

  • Size

    536KB

  • MD5

    48caaab4e0eff74db44c98d1b353744f

  • SHA1

    8a5a6aac61cb8982899ddb86cce0ddc8c4248a34

  • SHA256

    1c64423afe71c8539881c789518416a72ef8ee611727513e1f47c9c9154bb782

  • SHA512

    2a0ad46cbe582dc3933e9b5d072e7fe299856f4ca7f4879c2de9c465566c685832b6d608154501e237bd68d2d7be4b7592265db46a3da184add34c11d18157fa

  • SSDEEP

    6144:PtGrLFaxvDJDPAernALxwapvmNWz8+DeqXcnYxBCGvVpT0PFn0wccccccccWA8/S:FewD2OAONV+DeWZ7F9hF/BL96V

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 1 IoCs

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

  • Program crash 1 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 use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c64423afe71c8539881c789518416a72ef8ee611727513e1f47c9c9154bb782.exe
    "C:\Users\Admin\AppData\Local\Temp\1c64423afe71c8539881c789518416a72ef8ee611727513e1f47c9c9154bb782.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2864
    • C:\Users\Admin\AppData\Local\Temp\1c64423afe71c8539881c789518416a72ef8ee611727513e1f47c9c9154bb782mgr.exe
      C:\Users\Admin\AppData\Local\Temp\1c64423afe71c8539881c789518416a72ef8ee611727513e1f47c9c9154bb782mgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4544
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 552
        3⤵
        • Program crash
        PID:1736
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4544 -ip 4544
    1⤵
      PID:5088

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1c64423afe71c8539881c789518416a72ef8ee611727513e1f47c9c9154bb782mgr.exe

      Filesize

      184KB

      MD5

      1d92c741bc5b2d34dcd0a0265ab54275

      SHA1

      a160982825420567c15f6c11f777cb4ccbe69bb8

      SHA256

      3aab3cf37efd4c034da13a0d7ba8725f49a21d227e05f3bba91d8d36350f4a67

      SHA512

      1da728dba6383e0e9fc51370f8fb782a15e724b57b952d952e4c719f81d517a56035b1e9496da3d7f9bf79af0a4bd5caa8a351ca60f40d637da3648224944b94

    • C:\Users\Admin\AppData\Local\Temp\~TMAE41.tmp

      Filesize

      1.6MB

      MD5

      4f3387277ccbd6d1f21ac5c07fe4ca68

      SHA1

      e16506f662dc92023bf82def1d621497c8ab5890

      SHA256

      767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

      SHA512

      9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

    • memory/2864-0-0x0000000000400000-0x000000000048A000-memory.dmp

      Filesize

      552KB

    • memory/2864-10-0x0000000000400000-0x000000000048A000-memory.dmp

      Filesize

      552KB

    • memory/4544-6-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB