Extracted

• • Target

    StepMania-5.0.12-win32.exe

  • Size

    49.4MB

  • MD5

    605ba6b62e64df3b2f0425ca04cedd8d

  • SHA1

    f8845d9be37439411a7f588a3d1fd8bbd266466a

  • SHA256

    b3a6c5f70cc35fa5a756e489b545d495309b2abdc5efaa7a78abbacdc2aa8f2c

  • SHA512

    eb27737bad275bfc0e55404e2610ca49556cfd0a65c70d92e205aaf45fd543dd864a9274a98b6576458fe77f338e5c25db6e84e7915e7e91e37c292c631239a3

  • SSDEEP

    1572864:7hkWrKNvdEimW99HuP2L8BUIAnFCJwHlN:7uv5mwS2LRnFCJwHX

  Score

  10^/10

  jigsawwannacrybootkitdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealertrojanworm

  • Jigsaw Ransomware

    Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.

    ransomwarejigsaw

  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Renames multiple (6866) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware

  • Downloads MZ/PE file

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • Adds Run key to start application

    persistence

  • Checks installed software on the system

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

    discovery

  • Checks whether UAC is enabled

    evasiontrojan

  • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    defense_evasion

  • Legitimate hosting services abused for malware hosting/C2

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Sets desktop wallpaper using registry

    ransomware

  • Suspicious use of NtCreateThreadExHideFromDebugger

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1