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Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22/09/2022, 03:11

General

  • Target

    232875f42f967e5e41db5662c0b3565121281d73ddc421eda1f281869273aa9f.exe

  • Size

    1.3MB

  • MD5

    a907e9db6c3cdcc1fb5b134c8f61554e

  • SHA1

    9d53d0e13534e14c984238ba1dff9c5d4f285642

  • SHA256

    232875f42f967e5e41db5662c0b3565121281d73ddc421eda1f281869273aa9f

  • SHA512

    39f360740bf3dbc35bb98272354d01240f1d833853870edff0ccfc03d3b781a0afed92874de7e8fa007be95e263142451c825148d014d567bfd743db8f2d756b

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9goT9wMKAbXIEd/fXW42BA2gg:EEsJnEevhTHZOyoR5b4A/e42sg

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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\232875f42f967e5e41db5662c0b3565121281d73ddc421eda1f281869273aa9f.exe
    "C:\Users\Admin\AppData\Local\Temp\232875f42f967e5e41db5662c0b3565121281d73ddc421eda1f281869273aa9f.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:560
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x558
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1444

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/560-54-0x0000000076041000-0x0000000076043000-memory.dmp

    Filesize

    8KB