Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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) 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 2 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 8 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⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2720
    • 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:2068
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 180
        3⤵
        • Program crash
        PID:2580
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2720 -s 168
      2⤵
      • Program crash
      PID:2524

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

        • \Users\Admin\AppData\Local\Temp\~TM90EA.tmp

          Filesize

          1.2MB

          MD5

          d124f55b9393c976963407dff51ffa79

          SHA1

          2c7bbedd79791bfb866898c85b504186db610b5d

          SHA256

          ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

          SHA512

          278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

        • \Users\Admin\AppData\Local\Temp\~TM9187.tmp

          Filesize

          1.1MB

          MD5

          9b98d47916ead4f69ef51b56b0c2323c

          SHA1

          290a80b4ded0efc0fd00816f373fcea81a521330

          SHA256

          96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

          SHA512

          68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

        • memory/2068-11-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/2068-12-0x00000000001B0000-0x00000000001E2000-memory.dmp

          Filesize

          200KB

        • memory/2068-15-0x0000000077B1F000-0x0000000077B21000-memory.dmp

          Filesize

          8KB

        • memory/2068-18-0x0000000077B20000-0x0000000077B22000-memory.dmp

          Filesize

          8KB

        • memory/2068-17-0x0000000077B20000-0x0000000077B21000-memory.dmp

          Filesize

          4KB

        • memory/2068-21-0x00000000775F0000-0x0000000077700000-memory.dmp

          Filesize

          1.1MB

        • memory/2068-22-0x00000000775F0000-0x0000000077700000-memory.dmp

          Filesize

          1.1MB

        • memory/2068-24-0x00000000775F0000-0x0000000077700000-memory.dmp

          Filesize

          1.1MB

        • memory/2068-23-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/2720-0-0x0000000000400000-0x0000000000455000-memory.dmp

          Filesize

          340KB

        • memory/2720-8-0x0000000000250000-0x0000000000282000-memory.dmp

          Filesize

          200KB