Analysis

  • max time kernel
    138s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 19:21

General

  • Target

    21c8dd6c720928e7fd9f0ed914a3dfff29b240a1b647ea6929c0b881ca485759.dll

  • Size

    1.6MB

  • MD5

    af9c842e1fb7c7c19e2adaaaab745353

  • SHA1

    943152839af8595fa94009f28940b371c0f9316e

  • SHA256

    21c8dd6c720928e7fd9f0ed914a3dfff29b240a1b647ea6929c0b881ca485759

  • SHA512

    0cea1e55abca6ce6577c41d0f15804a15715dfbbf0c90e8f3bf0e76857329ab9336b016265399cd8c6ede8efab80068f853e9e775a382a8a779d5c6f21b2fc17

  • SSDEEP

    49152:bbK8Jw9oCKTmlkaTDnokjscqnT+8ZIlwVHkm:buai/Az1ZIlwh/

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\21c8dd6c720928e7fd9f0ed914a3dfff29b240a1b647ea6929c0b881ca485759.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\21c8dd6c720928e7fd9f0ed914a3dfff29b240a1b647ea6929c0b881ca485759.dll,#1
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2916
      • C:\Users\Admin\AppData\Local\Temp\1342.tmp
        C:\Users\Admin\AppData\Local\Temp\1342.tmp
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        PID:2920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\1342.tmp

    Filesize

    145KB

    MD5

    c610e7ccd6859872c585b2a85d7dc992

    SHA1

    362b3d4b72e3add687c209c79b500b7c6a246d46

    SHA256

    14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

    SHA512

    8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

  • memory/2916-0-0x00000000001D0000-0x0000000000228000-memory.dmp

    Filesize

    352KB

  • memory/2916-1-0x00000000001D0000-0x0000000000228000-memory.dmp

    Filesize

    352KB

  • memory/2916-5-0x0000000010000000-0x000000001018F000-memory.dmp

    Filesize

    1.6MB