Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-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 3 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7z.exe
    "C:\Users\Admin\AppData\Local\Temp\7z.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Users\Admin\AppData\Local\Temp\7zmgr.exe
      C:\Users\Admin\AppData\Local\Temp\7zmgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3044
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 96
        3⤵
        • Program crash
        PID:2280

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    Filesize

    142KB

    MD5

    303f491b9fc879064b210cb0b865d178

    SHA1

    5cbdc35fb45bd3fb5ac62950ec22443a4179203c

    SHA256

    15f7fb2edc9b34e0da2fc658df38d8aea52664f6be1510dba4636dc13f466f86

    SHA512

    96c076c5027998281c408c1314e67f14c0150ec01173a400bf42e482866744d7e6f58cc7bf9748124c3a652753020f4606b170b61f1e722f8d4f74bff65fee24

  • \Users\Admin\AppData\Local\Temp\~TM7687.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TM7724.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • memory/2752-0-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2752-6-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/3044-12-0x0000000077CF0000-0x0000000077CF2000-memory.dmp

    Filesize

    8KB

  • memory/3044-11-0x0000000077CF0000-0x0000000077CF1000-memory.dmp

    Filesize

    4KB

  • memory/3044-10-0x0000000077CEF000-0x0000000077CF1000-memory.dmp

    Filesize

    8KB

  • memory/3044-17-0x0000000077760000-0x0000000077870000-memory.dmp

    Filesize

    1.1MB

  • memory/3044-16-0x00000000777F4000-0x00000000777F5000-memory.dmp

    Filesize

    4KB

  • memory/3044-18-0x0000000077760000-0x0000000077870000-memory.dmp

    Filesize

    1.1MB