Extracted

• • Target

    b231263f-0b92-4f02-9e71-3d6a05534490.jpg

  • Size

    26KB

  • MD5

    99cfb36285d82796d745c8a199f6acff

  • SHA1

    ab990d5b00d7878178a6e77553152149ce4f56c3

  • SHA256

    afc3ff71d364c14eecc12918e7c00a435943005fc86dafa53da529f0a9c95285

  • SHA512

    3a9558a9e628aac5af58f98a9e7056fe5a2741517067f0f9ebac9a800d6bd564433ab0b3910746f99e82573d2ba176241ce3d3b25961a6c27ae828c0d4defd26

  • SSDEEP

    768:Z3Bt4w6U03dxH1/ARsjefQIbwTj5pW0JPfmXkD+lakhXOsX0:Z3BtNZAdxHdARkef7bQ5I8POEqY

  Score

  10^/10

  bootkitdefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwarespywarestealertrojanupx

  • Modifies WinLogon for persistence

    persistence

  • Modifies Windows Defender DisableAntiSpyware settings

    evasiontrojan

  • Modifies Windows Defender Real-time Protection settings

    defense_evasiontrojan

  • Process spawned unexpected child process

    This typically indicates the parent process was compromised via an exploit or macro.

  • UAC bypass

    defense_evasiontrojan

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Modifies boot configuration data using bcdedit

    ransomwareevasion

  • Renames multiple (78) files with added filename extension

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

    ransomware

  • Disables RegEdit via registry modification

    defense_evasion

  • Disables Task Manager via registry modification

    defense_evasion

  • Disables use of System Restore points

    defense_evasion

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Event Triggered Execution: Image File Execution Options Injection

    persistence

  • Modifies Windows Firewall

    defense_evasion

  • Checks computer location settings

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

  • Drops startup file

  • Executes dropped EXE

  • Loads dropped DLL

  • 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

  • Blocklisted process makes network request

  • 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

    defense_evasiontrojan

  • Enumerates connected drives

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

  • 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

  • Drops autorun.inf file

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Sets desktop wallpaper using registry

    ransomware

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  • UPX packed file

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  behavioral1behavioral2