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Analysis

  • max time kernel
    136s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
  • 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 64 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a57727cb22fb1ac1adf5d376390d4744d151ba62d9813b7c0e5d9c9be127edbd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a57727cb22fb1ac1adf5d376390d4744d151ba62d9813b7c0e5d9c9be127edbd.dll,#1
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2308
      • C:\Users\Admin\AppData\Local\Temp\1E3A.tmp
        C:\Users\Admin\AppData\Local\Temp\1E3A.tmp
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        PID:2376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1E3A.tmp

    Filesize

    145KB

    MD5

    c610e7ccd6859872c585b2a85d7dc992

    SHA1

    362b3d4b72e3add687c209c79b500b7c6a246d46

    SHA256

    14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

    SHA512

    8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

  • memory/2308-1-0x00000000002B0000-0x0000000000375000-memory.dmp

    Filesize

    788KB

  • memory/2308-0-0x00000000002B0000-0x0000000000375000-memory.dmp

    Filesize

    788KB

  • memory/2308-13-0x0000000018000000-0x00000000182A8000-memory.dmp

    Filesize

    2.7MB

  • memory/2308-10-0x0000000018000000-0x00000000182A8000-memory.dmp

    Filesize

    2.7MB

  • memory/2308-310-0x0000000018000000-0x00000000182A8000-memory.dmp

    Filesize

    2.7MB