Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 04:18

General

  • Target

    7z.exe

  • Size

    304KB

  • MD5

    1ea7a136aedf83578260d41230605abc

  • SHA1

    6d352f6dc1457b32f00b4e8a2fbd3c4ec4d80f15

  • SHA256

    16149a94a7c48ebec9f70e8eca7cebefdfb87651498069373865fbf7cbecf473

  • SHA512

    047ea78c67dff46d502057132122b8ad16266f0b2cd884b3de6d845ab9b75e31292a0b3357a35311ea3f84e9510713d58a512485b843718e8fb68aab51b91b0b

  • SSDEEP

    6144:ekCMndv8WiYZH5A8sGw367Y+S4CPaBQV1Xh+s8Ju8h9ZL5UvS:ehMJTdZHm8sGmaWV1/8Juw9ZL5UvS

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7z.exe
    "C:\Users\Admin\AppData\Local\Temp\7z.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Users\Admin\AppData\Local\Temp\7zmgr.exe
      C:\Users\Admin\AppData\Local\Temp\7zmgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1484
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 272
        3⤵
        • Program crash
        PID:4992
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1484 -ip 1484
    1⤵
      PID:3872

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\7zmgr.exe

      Filesize

      142KB

      MD5

      303f491b9fc879064b210cb0b865d178

      SHA1

      5cbdc35fb45bd3fb5ac62950ec22443a4179203c

      SHA256

      15f7fb2edc9b34e0da2fc658df38d8aea52664f6be1510dba4636dc13f466f86

      SHA512

      96c076c5027998281c408c1314e67f14c0150ec01173a400bf42e482866744d7e6f58cc7bf9748124c3a652753020f4606b170b61f1e722f8d4f74bff65fee24

    • C:\Users\Admin\AppData\Local\Temp\~TM4F97.tmp

      Filesize

      1.6MB

      MD5

      4f3387277ccbd6d1f21ac5c07fe4ca68

      SHA1

      e16506f662dc92023bf82def1d621497c8ab5890

      SHA256

      767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

      SHA512

      9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

    • memory/1484-10-0x0000000077352000-0x0000000077353000-memory.dmp

      Filesize

      4KB

    • memory/1484-9-0x0000000077352000-0x0000000077354000-memory.dmp

      Filesize

      8KB

    • memory/1484-12-0x0000000077352000-0x0000000077354000-memory.dmp

      Filesize

      8KB

    • memory/1484-11-0x0000000077352000-0x0000000077353000-memory.dmp

      Filesize

      4KB

    • memory/3628-0-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/3628-6-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB