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Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/04/2024, 12:18

General

  • Target

    a57727cb22fb1ac1adf5d376390d4744d151ba62d9813b7c0e5d9c9be127edbd.dll

  • Size

    2.6MB

  • MD5

    1854f66a4b537a2fec64c6f7c54bb520

  • SHA1

    4d7be5a0d35b127819e6783fa0b6f50807386ec7

  • SHA256

    a57727cb22fb1ac1adf5d376390d4744d151ba62d9813b7c0e5d9c9be127edbd

  • SHA512

    b3101bb1c9b93ab7823a8f724cb69b687c94fd223b7fbc7ab43f2eb72f9ad11f8941d37131de3530d766a737ca72f4e50b103a59032aa1e1e343d73b1e0392df

  • SSDEEP

    49152:bc00NFTOSm/0cp3mTbgfkPMDrQOgdjSjhTSGIo8Y70trGAfERm82g+tD:bc0il5Gcbgfc+/gdm2trGAfg2TtD

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 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 58 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a57727cb22fb1ac1adf5d376390d4744d151ba62d9813b7c0e5d9c9be127edbd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a57727cb22fb1ac1adf5d376390d4744d151ba62d9813b7c0e5d9c9be127edbd.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1428
      • C:\Users\Admin\AppData\Local\Temp\6968.tmp
        C:\Users\Admin\AppData\Local\Temp\6968.tmp
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        PID:1388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Google\CrashReports\7bf97012-e43c-4c6b-99c7-1b92dd3ce89f.dmp

    Filesize

    34KB

    MD5

    2c46dad66363bdc41c23b553620fd0bb

    SHA1

    66340256819eef62af02a509d5060b882847d6ff

    SHA256

    510762ef94357df5cd65dc14c1df2f5cfa5390fbd21afcf18eb4fb895d41a74c

    SHA512

    1917baefea0b89933acbe69f54b2a9d1828ec255315ebe36c507fc431d5171c9a851c40b27c5ef68ded591e3d610657ad85de5dbd4f20831669126aacdf9cec4

  • C:\Users\Admin\AppData\Local\Temp\6968.tmp

    Filesize

    145KB

    MD5

    c610e7ccd6859872c585b2a85d7dc992

    SHA1

    362b3d4b72e3add687c209c79b500b7c6a246d46

    SHA256

    14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

    SHA512

    8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

  • memory/1428-0-0x00000000024C0000-0x0000000002585000-memory.dmp

    Filesize

    788KB

  • memory/1428-1-0x00000000024C0000-0x0000000002585000-memory.dmp

    Filesize

    788KB

  • memory/1428-7-0x0000000018000000-0x00000000182A8000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-12-0x0000000018000000-0x00000000182A8000-memory.dmp

    Filesize

    2.7MB