Analysis

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

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2022 07:14

General

  • Target

    cfwoniu/CF蜗牛透视0909.exe

  • Size

    1016KB

  • MD5

    52bb4df9e091a7a0c27e62481966f181

  • SHA1

    162e48b79867bcd49906116daea00d218dd7dced

  • SHA256

    eda75b14cdf6e9ade722437c6eed06ed38b64103cc132a7852c835e8f0393266

  • SHA512

    73e1adb93add7a207d662129621bf1d867f3a6acca02ceec791a6ef68c72c6dbde151e25d1ac1b2f49903164d3ff8ea73d4b2555f29adc15d958bb34e77b1866

  • SSDEEP

    24576:MhjbAhMR07WEC3cPIxsRibbDQJMmkcUnh07PkW934F/Z:MhXAoIWdyIxiijQic9y

Malware Config

Signatures

  • joker

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cfwoniu\CF蜗牛透视0909.exe
    "C:\Users\Admin\AppData\Local\Temp\cfwoniu\CF蜗牛透视0909.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1348

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1348-54-0x0000000000400000-0x0000000000664000-memory.dmp

    Filesize

    2.4MB

  • memory/1348-55-0x0000000074F41000-0x0000000074F43000-memory.dmp

    Filesize

    8KB

  • memory/1348-56-0x0000000077440000-0x00000000775C0000-memory.dmp

    Filesize

    1.5MB

  • memory/1348-57-0x0000000000400000-0x0000000000664000-memory.dmp

    Filesize

    2.4MB

  • memory/1348-58-0x0000000000400000-0x0000000000664000-memory.dmp

    Filesize

    2.4MB

  • memory/1348-59-0x0000000077440000-0x00000000775C0000-memory.dmp

    Filesize

    1.5MB

  • memory/1348-60-0x0000000000400000-0x0000000000664000-memory.dmp

    Filesize

    2.4MB