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Analysis

  • max time kernel
    133s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/04/2024, 00:32

General

  • Target

    91207a7eb474139f32b6673fdf8e28e2af11461abd17274b1eef5019ad31f77a.dll

  • Size

    5.4MB

  • MD5

    93f1d6dde649d2950325019311d16fb2

  • SHA1

    8aefa91e9d267e9fbe987b665c47938c15f1856b

  • SHA256

    91207a7eb474139f32b6673fdf8e28e2af11461abd17274b1eef5019ad31f77a

  • SHA512

    0a5a8f1389539d546eee236f820ee9cedfdec87af03e13ec04adbac7886dca83818c9573f6440f3a514e356a5872b3288a9701a7e64d83ea692a942b537d5dcb

  • SSDEEP

    98304:C5G04P+kRmd9a5XK1OtVxA1Ok+niWLgO/hiTjhX+BMmb7vFPlr:C5G04P+kod9PuNHniWLgihihX+BP3P

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 48 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\91207a7eb474139f32b6673fdf8e28e2af11461abd17274b1eef5019ad31f77a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\91207a7eb474139f32b6673fdf8e28e2af11461abd17274b1eef5019ad31f77a.dll,#1
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\Users\Admin\AppData\Local\Temp\9167.tmp
        C:\Users\Admin\AppData\Local\Temp\9167.tmp
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        PID:2888
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 248
        3⤵
        • Program crash
        PID:2124

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\9167.tmp

    Filesize

    145KB

    MD5

    c610e7ccd6859872c585b2a85d7dc992

    SHA1

    362b3d4b72e3add687c209c79b500b7c6a246d46

    SHA256

    14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

    SHA512

    8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

  • memory/2988-0-0x0000000000840000-0x000000000094D000-memory.dmp

    Filesize

    1.1MB

  • memory/2988-1-0x0000000000840000-0x000000000094D000-memory.dmp

    Filesize

    1.1MB