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Analysis

  • max time kernel
    35s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2022, 21:36

General

  • Target

    85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.exe

  • Size

    72KB

  • MD5

    33e0a944d34133296dc4afbd50048ca0

  • SHA1

    aa6e13fa2d8493ead14e4009c8f93159e09b6bc9

  • SHA256

    85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05

  • SHA512

    74ba1e3cc35f07c48538101693e0fb1b30df770d71c44166877df6f69f476e35ccd32303b3b98ffe6773f4593fa314e959a2f628b345d1974b34b2c25283f6d0

  • SSDEEP

    768:/puEF9zcOzyzv8EH2VtwYMh+YpX3BVQNrQQMFY9cGQhnXXpL5XKKKKKKKKKRTP:/pu4x/yzffeMFYSnHZxKKKKKKKKKRL

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.exe
    "C:\Users\Admin\AppData\Local\Temp\85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del 85d08cdba7fd348e3aeaeddeb5323dde2463852e8af7eda2b38f74f7fdd4ab05.exe
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1332
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1612-56-0x0000000076681000-0x0000000076683000-memory.dmp

    Filesize

    8KB

  • memory/1612-57-0x00000000038C0000-0x000000000437A000-memory.dmp

    Filesize

    10.7MB