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Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22/09/2022, 02:28

General

  • Target

    790f43744bef940f38967d8156aae084d9d6abcee183aac1a47c69e645b22d28.exe

  • Size

    2.1MB

  • MD5

    f0a0fc62fc5faadfcef4ee6097a856f2

  • SHA1

    9b590912a93b82c520337791118476c403f8ce38

  • SHA256

    790f43744bef940f38967d8156aae084d9d6abcee183aac1a47c69e645b22d28

  • SHA512

    bb750bc9fc526245e91d900bd67454ed5905cde51c5df9b70d89e88547ed3b4a022b705cafc0e7271f587fda057d885516b5e124345768491c84619c54e05947

  • SSDEEP

    49152:EEsJnEevhTHZOyVg1qKC33S7Htj6xh0Xh+X8O:EEwnESZMs3wtj6xh0Xh28O

Malware Config

Signatures

  • joker

    Joker is an Android malware that targets billing and SMS fraud.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 14 IoCs
  • Modifies registry class 10 IoCs
  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\790f43744bef940f38967d8156aae084d9d6abcee183aac1a47c69e645b22d28.exe
    "C:\Users\Admin\AppData\Local\Temp\790f43744bef940f38967d8156aae084d9d6abcee183aac1a47c69e645b22d28.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1884
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x580
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:676

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1884-54-0x0000000075571000-0x0000000075573000-memory.dmp

    Filesize

    8KB