Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2022 05:08

General

  • Target

    f50067a8360984103ed26b5ec84dd89d.exe

  • Size

    416KB

  • MD5

    f50067a8360984103ed26b5ec84dd89d

  • SHA1

    ee5b8c04248d4c683df6c186ddfa36d1b4269a93

  • SHA256

    3aec0d15d3dbb820e92cb7ee3c49d277aecb1d34df4c6f854afb4f76758ceaa7

  • SHA512

    b933f7dd7367227db90a2da7526d9a8cb5a363cce3d7613dd1608658d1bf62a545457c166112f3362fbb49cd143498f18c3275a282d92f2e23fbabf21e111ba7

  • SSDEEP

    6144:NLvyRzwCIYcFeWT5Mm8fDaD9h/seMOpoPHNecloa/OOK/MBS:NeRA0W1187aJtseMOWf6a/f2wS

Malware Config

Signatures

  • Detect WinDealer information stealer 2 IoCs
  • WinDealer

    WinDealer is an info stealer used by LuoYu group.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f50067a8360984103ed26b5ec84dd89d.exe
    "C:\Users\Admin\AppData\Local\Temp\f50067a8360984103ed26b5ec84dd89d.exe"
    1⤵
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:2028

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2028-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

    Filesize

    8KB

  • memory/2028-55-0x0000000010000000-0x000000001003C000-memory.dmp

    Filesize

    240KB

  • memory/2028-56-0x0000000010000000-0x000000001003C000-memory.dmp

    Filesize

    240KB