Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-06-2024 03:42

General

  • Target

    7zFMmgr.exe

  • Size

    286KB

  • MD5

    ae7fe5d1c0c635496c2729eba26355e0

  • SHA1

    4b4c8a79fbd911904ebfa0b26915f588b3a8b49a

  • SHA256

    b393d21a034f5cac91bcb63d6132d72f6edea162b7c919297c9d39e5b1ce42d8

  • SHA512

    06dece29658f5fb90bbf953aab89696b986efd9d4f93ae32672bd59235e3328b68bd3e2974eda07900295cc751c7f61e08b7d9ed50949b7be14d293797772a4d

  • SSDEEP

    6144:uAcCIWiyr7JHn17lTBl3+ocmQ1t274+dTc:uAQK7517lT33c1t274+dTc

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe
    "C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe
      C:\Users\Admin\AppData\Local\Temp\7zFMmgrmgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2128
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 96
        3⤵
        • Program crash
        PID:2528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 96
      2⤵
      • Program crash
      PID:2820

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    Filesize

    142KB

    MD5

    303f491b9fc879064b210cb0b865d178

    SHA1

    5cbdc35fb45bd3fb5ac62950ec22443a4179203c

    SHA256

    15f7fb2edc9b34e0da2fc658df38d8aea52664f6be1510dba4636dc13f466f86

    SHA512

    96c076c5027998281c408c1314e67f14c0150ec01173a400bf42e482866744d7e6f58cc7bf9748124c3a652753020f4606b170b61f1e722f8d4f74bff65fee24

  • \Users\Admin\AppData\Local\Temp\~TM2D57.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TM2D97.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • memory/2128-23-0x00000000758B0000-0x00000000759C0000-memory.dmp

    Filesize

    1.1MB

  • memory/2180-1-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2180-13-0x0000000077A30000-0x0000000077A32000-memory.dmp

    Filesize

    8KB

  • memory/2180-11-0x0000000077A30000-0x0000000077A31000-memory.dmp

    Filesize

    4KB

  • memory/2180-10-0x0000000077A2F000-0x0000000077A31000-memory.dmp

    Filesize

    8KB

  • memory/2180-19-0x0000000075944000-0x0000000075945000-memory.dmp

    Filesize

    4KB

  • memory/2180-20-0x00000000758B0000-0x00000000759C0000-memory.dmp

    Filesize

    1.1MB