Analysis

  • max time kernel
    61s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2022 20:39

General

  • Target

    24309b2ba65b27c007918670dd4deb6e90ddc9e629303d8c92efc04f34e16c77.exe

  • Size

    5.3MB

  • MD5

    7978902246a0c485295d89f408f37cfc

  • SHA1

    ec0a15b66771f87066e4639d5139037fcd8a56d7

  • SHA256

    24309b2ba65b27c007918670dd4deb6e90ddc9e629303d8c92efc04f34e16c77

  • SHA512

    5db9379140c32458cd8e158e48e2dbdeb06cce7d83d7f21686f9c659ef6087c605250d6f45d2644d8bba2fec81b26dc4ca1265a19686a8c367a46536a4460fd1

  • SSDEEP

    98304:ro/zlSaCeKvz1pIguaSvAiC949yFWoWcVR8kxtUbE34CgX1:rezrCTb1ugua7T0CpHmoY

Malware Config

Signatures

  • joker

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

  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 3 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 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24309b2ba65b27c007918670dd4deb6e90ddc9e629303d8c92efc04f34e16c77.exe
    "C:\Users\Admin\AppData\Local\Temp\24309b2ba65b27c007918670dd4deb6e90ddc9e629303d8c92efc04f34e16c77.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:3540

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MSINET.OCX

    Filesize

    128KB

    MD5

    bed46f55af9a7b495ec0f2de0cb5ad3f

    SHA1

    e9c47a7cabbf62e154dca7dba2301cc8eac1047e

    SHA256

    c11615f4561755632da7469e6c5fbf3ead40e0d9747030c90077b70115692ce3

    SHA512

    4938f4e4007e63d990d6b18907b71b7108d9f1d5cbeab194bdf3c25226da20b2995102d79daa262b433f6a4479a9cceafea6c8f5b6f86bd190c751e7c0bd788b

  • C:\Users\Admin\AppData\Local\Temp\MSINET.OCX

    Filesize

    128KB

    MD5

    bed46f55af9a7b495ec0f2de0cb5ad3f

    SHA1

    e9c47a7cabbf62e154dca7dba2301cc8eac1047e

    SHA256

    c11615f4561755632da7469e6c5fbf3ead40e0d9747030c90077b70115692ce3

    SHA512

    4938f4e4007e63d990d6b18907b71b7108d9f1d5cbeab194bdf3c25226da20b2995102d79daa262b433f6a4479a9cceafea6c8f5b6f86bd190c751e7c0bd788b

  • memory/3540-132-0x0000000000400000-0x0000000000F1C000-memory.dmp

    Filesize

    11.1MB

  • memory/3540-133-0x0000000000400000-0x0000000000F1C000-memory.dmp

    Filesize

    11.1MB

  • memory/3540-136-0x0000000000400000-0x0000000000F1C000-memory.dmp

    Filesize

    11.1MB

  • memory/3540-139-0x0000000000400000-0x0000000000F1C000-memory.dmp

    Filesize

    11.1MB