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Analysis

  • max time kernel
    40s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 12:24

General

  • Target

    f2b3499121baba009f05137bca2ffaf7ad4d582621f36febf563c55974718dd6.dll

  • Size

    260KB

  • MD5

    96c79ea51c2beae60aa1e4881f3bd824

  • SHA1

    47db43984d893fbcf363ce6a66ea94986925777e

  • SHA256

    f2b3499121baba009f05137bca2ffaf7ad4d582621f36febf563c55974718dd6

  • SHA512

    2aab23a13fc6bc791610e71c6f28ed262fe56de749d77e2d10f1d2bfededb061a4ed7b47cd7cae08053e43e30a6ceaae7e253d2a6c5b4330e28fcc03b654c3d1

  • SSDEEP

    3072:sZmu9K33WSwdJ/tILtAPrL+oxdv9jD4Nn0LhlchQAItUkkH0jpgj7xIhVH/g:s8b33QqUrSqc0LDchQptQieVI//g

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 9 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2b3499121baba009f05137bca2ffaf7ad4d582621f36febf563c55974718dd6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2b3499121baba009f05137bca2ffaf7ad4d582621f36febf563c55974718dd6.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1684
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1940
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 100
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1972

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\rundll32mgr.exe

    Filesize

    117KB

    MD5

    8496f6a2cbd1e710149e098e047eaee2

    SHA1

    dd0a84f13d385928e5270ef9b4b442150fd4a060

    SHA256

    dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03

    SHA512

    c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    117KB

    MD5

    8496f6a2cbd1e710149e098e047eaee2

    SHA1

    dd0a84f13d385928e5270ef9b4b442150fd4a060

    SHA256

    dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03

    SHA512

    c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    117KB

    MD5

    8496f6a2cbd1e710149e098e047eaee2

    SHA1

    dd0a84f13d385928e5270ef9b4b442150fd4a060

    SHA256

    dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03

    SHA512

    c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    117KB

    MD5

    8496f6a2cbd1e710149e098e047eaee2

    SHA1

    dd0a84f13d385928e5270ef9b4b442150fd4a060

    SHA256

    dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03

    SHA512

    c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    117KB

    MD5

    8496f6a2cbd1e710149e098e047eaee2

    SHA1

    dd0a84f13d385928e5270ef9b4b442150fd4a060

    SHA256

    dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03

    SHA512

    c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    117KB

    MD5

    8496f6a2cbd1e710149e098e047eaee2

    SHA1

    dd0a84f13d385928e5270ef9b4b442150fd4a060

    SHA256

    dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03

    SHA512

    c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    117KB

    MD5

    8496f6a2cbd1e710149e098e047eaee2

    SHA1

    dd0a84f13d385928e5270ef9b4b442150fd4a060

    SHA256

    dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03

    SHA512

    c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    117KB

    MD5

    8496f6a2cbd1e710149e098e047eaee2

    SHA1

    dd0a84f13d385928e5270ef9b4b442150fd4a060

    SHA256

    dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03

    SHA512

    c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    117KB

    MD5

    8496f6a2cbd1e710149e098e047eaee2

    SHA1

    dd0a84f13d385928e5270ef9b4b442150fd4a060

    SHA256

    dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03

    SHA512

    c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    117KB

    MD5

    8496f6a2cbd1e710149e098e047eaee2

    SHA1

    dd0a84f13d385928e5270ef9b4b442150fd4a060

    SHA256

    dfa3498dc41116db8aec3fd24721709e90248ad9de239222f1ed31f1f9286a03

    SHA512

    c7a58e158ff3fbfd2bf5e2327221f6f5d24fc7abef2b48da63e98ee96efb3ff0e9d8ce8047f34f3843f385ca0607ee85a5ca7e0a8e3330366a23e99c1d9e3dd5

  • memory/1684-55-0x0000000075571000-0x0000000075573000-memory.dmp

    Filesize

    8KB

  • memory/1940-68-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB