Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-06-2024 04:18

General

  • Target

    7zFM.exe

  • Size

    557KB

  • MD5

    e2b6c32d4ed3b253ca750b03b55acad1

  • SHA1

    e630f10249f521c5802e79d6f44c67f310384ad1

  • SHA256

    a0b92392ade4ad7218239ac6a3e96ec6a626b71c187960cd077c92dc34d2330d

  • SHA512

    f2f541b3bd118d57d7fe76694a19172d8828680397d1be2a44b928059099c9ece5e58b9a1bea2dc41bd8482a6f10ceb29cb8d858b8875ce05ecb23901040aa80

  • SSDEEP

    12288:8/nNbnEtB2xMbDshgVqd9lK1aWV1/8Juw9ZL5Uvm:8/NbnEtBZbDshgVqd97WnvQUvm

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
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7zFM.exe
    "C:\Users\Admin\AppData\Local\Temp\7zFM.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe
      C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 96
        3⤵
        • Program crash
        PID:2592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    142KB

    MD5

    303f491b9fc879064b210cb0b865d178

    SHA1

    5cbdc35fb45bd3fb5ac62950ec22443a4179203c

    SHA256

    15f7fb2edc9b34e0da2fc658df38d8aea52664f6be1510dba4636dc13f466f86

    SHA512

    96c076c5027998281c408c1314e67f14c0150ec01173a400bf42e482866744d7e6f58cc7bf9748124c3a652753020f4606b170b61f1e722f8d4f74bff65fee24

  • \Users\Admin\AppData\Local\Temp\~TM169C.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TM16EB.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • memory/1776-0-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/2224-9-0x0000000077DEF000-0x0000000077DF1000-memory.dmp

    Filesize

    8KB

  • memory/2224-12-0x0000000077DF0000-0x0000000077DF2000-memory.dmp

    Filesize

    8KB

  • memory/2224-11-0x0000000077DF0000-0x0000000077DF1000-memory.dmp

    Filesize

    4KB

  • memory/2224-16-0x0000000077260000-0x0000000077370000-memory.dmp

    Filesize

    1.1MB

  • memory/2224-15-0x00000000772F4000-0x00000000772F5000-memory.dmp

    Filesize

    4KB

  • memory/2224-17-0x0000000077260000-0x0000000077370000-memory.dmp

    Filesize

    1.1MB