Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2024, 08:33

General

  • Target

    2024-03-29_7ac537ea5a65b20d4301f883fa0de683_icedid_ramnit.exe

  • Size

    324KB

  • MD5

    7ac537ea5a65b20d4301f883fa0de683

  • SHA1

    d94ea67f4ec39651340b7ea509e4b68f5253d6de

  • SHA256

    74e5ec17db2e633d70667384813662b686f1017d008a8b93022de74cfc557dee

  • SHA512

    8b05c80d56d39ae499b3c654b738f270be65f074533aaea62fb5f9ff55334c814d202e9288371ab91924561f575b4f0b73de1366ce74b1bb275f2db35d14f345

  • SSDEEP

    6144:1SY37UPbZpNbXb3JTOeyBmO3+3Dy6I+Lk:1X37ULNZYmmeDy6C

Malware Config

Signatures

  • Ramnit

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

  • UPX dump on OEP (original entry point) 2 IoCs
  • 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-29_7ac537ea5a65b20d4301f883fa0de683_icedid_ramnit.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-29_7ac537ea5a65b20d4301f883fa0de683_icedid_ramnit.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Users\Admin\AppData\Local\Temp\2024-03-29_7ac537ea5a65b20d4301f883fa0de683_icedid_ramnitmgr.exe
      C:\Users\Admin\AppData\Local\Temp\2024-03-29_7ac537ea5a65b20d4301f883fa0de683_icedid_ramnitmgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2636
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 480
        3⤵
        • Program crash
        PID:4208
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 624 -s 548
      2⤵
      • Program crash
      PID:1656
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 624 -ip 624
    1⤵
      PID:3832
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2636 -ip 2636
      1⤵
        PID:1360

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\2024-03-29_7ac537ea5a65b20d4301f883fa0de683_icedid_ramnitmgr.exe

              Filesize

              157KB

              MD5

              2ad7467eeceedd64b8bd4f6e04c3cd49

              SHA1

              d6c5d9878dc49ae9b531d61283609e207154a921

              SHA256

              2aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9

              SHA512

              7a647d4a8de90d11cd5afb82ace8354869af0893f28afcf9491d1d4de421315d9a394a5d3462d88c0eff6c5a7a4ed41897d8d0498b59b4b7428ddbb61786be2a

            • C:\Users\Admin\AppData\Local\Temp\~TM4FF5.tmp

              Filesize

              1.6MB

              MD5

              4f3387277ccbd6d1f21ac5c07fe4ca68

              SHA1

              e16506f662dc92023bf82def1d621497c8ab5890

              SHA256

              767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

              SHA512

              9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

            • memory/624-0-0x0000000000400000-0x0000000000455000-memory.dmp

              Filesize

              340KB

            • memory/624-14-0x0000000000400000-0x0000000000455000-memory.dmp

              Filesize

              340KB

            • memory/2636-4-0x0000000000400000-0x0000000000432000-memory.dmp

              Filesize

              200KB

            • memory/2636-6-0x0000000000400000-0x0000000000432000-memory.dmp

              Filesize

              200KB

            • memory/2636-11-0x00000000772B2000-0x00000000772B3000-memory.dmp

              Filesize

              4KB

            • memory/2636-8-0x0000000002090000-0x00000000020C2000-memory.dmp

              Filesize

              200KB

            • memory/2636-12-0x00000000772B2000-0x00000000772B4000-memory.dmp

              Filesize

              8KB