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Analysis

  • max time kernel
    79s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/03/2025, 00:18

General

  • Target

    2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe

  • Size

    3.7MB

  • MD5

    fa93e5224640f9c2f0376eff52d95651

  • SHA1

    c984a55f00d96464053d26535f71ac67b8e0a3f6

  • SHA256

    ffc0d865cfbd409a73a4292c31e396d1b6ba10d3742b00eefc8ec056dbc2a26b

  • SHA512

    878b5615cae26ad0a91102b84068db1fb2531d667055f4132106fc74851471f6504c8c635d9d72c6a6c159d4e731cc75d3bcbc0ac13b3b3958a9e44bae4b0064

  • SSDEEP

    98304:rF2SDPX7mB6Nu9PGfspNYkbdxJcDaUWzKIgb6ODMeH:TDmBb9JbPWHWzKaOA2

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 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 FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnit.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:748
    • C:\Users\Admin\AppData\Local\Temp\2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exe
      C:\Users\Admin\AppData\Local\Temp\2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4492
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 592
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 936
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:2484
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 944
      2⤵
      • Program crash
      PID:1084
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4492 -ip 4492
    1⤵
      PID:4812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 748 -ip 748
      1⤵
        PID:216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 748 -ip 748
        1⤵
          PID:2080

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\2025-03-25_fa93e5224640f9c2f0376eff52d95651_icedid_ramnitmgr.exe

          Filesize

          357KB

          MD5

          04b33929bf77bf019feff1004fa39783

          SHA1

          f51eebc8ef5492a3dde0308382c762c3a9a8b5ce

          SHA256

          a7810ebf475d132418ddcf42eb952eab751a0cf2795921401f4b96ca7518f205

          SHA512

          f6c3fc03e76b45abc88699318deb589c2b10f7740e7e602e09c549735f9b936597a4c900003373f7df91e87ad1fc169d159daafc32f938e8d62da1b3947b6fdb

        • C:\Users\Admin\AppData\Local\Temp\lmi7C73.tmp

          Filesize

          172KB

          MD5

          685f1cbd4af30a1d0c25f252d399a666

          SHA1

          6a1b978f5e6150b88c8634146f1406ed97d2f134

          SHA256

          0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

          SHA512

          6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

        • C:\Users\Admin\AppData\Local\Temp\~TM7CA3.tmp

          Filesize

          1.6MB

          MD5

          4f3387277ccbd6d1f21ac5c07fe4ca68

          SHA1

          e16506f662dc92023bf82def1d621497c8ab5890

          SHA256

          767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

          SHA512

          9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

        • memory/748-21-0x0000000002720000-0x0000000002793000-memory.dmp

          Filesize

          460KB

        • memory/748-22-0x0000000002720000-0x0000000002793000-memory.dmp

          Filesize

          460KB

        • memory/748-29-0x0000000002720000-0x0000000002793000-memory.dmp

          Filesize

          460KB

        • memory/748-30-0x0000000000400000-0x00000000007CF000-memory.dmp

          Filesize

          3.8MB

        • memory/748-0-0x0000000000400000-0x00000000007CF000-memory.dmp

          Filesize

          3.8MB

        • memory/4492-12-0x0000000002240000-0x00000000022B3000-memory.dmp

          Filesize

          460KB

        • memory/4492-4-0x0000000000400000-0x000000000042B000-memory.dmp

          Filesize

          172KB

        • memory/4492-14-0x0000000000400000-0x000000000042B000-memory.dmp

          Filesize

          172KB

        • memory/4492-28-0x0000000002240000-0x00000000022B3000-memory.dmp

          Filesize

          460KB

        • memory/4492-13-0x0000000002240000-0x00000000022B3000-memory.dmp

          Filesize

          460KB