Extracted

Extracted

Extracted

Extracted

Extracted

• • Target

    RNSM00435.7z

  • Size

    7.2MB

  • MD5

    ebfbfabb47ffd00e16ebd8724c63adc5

  • SHA1

    bb9c0edec43860dc1e5610716b5bc7164bde37ba

  • SHA256

    fabdb10b28b5e0bd4c9b38be6292bc5966cb2dd2428486bad8f056fb4696be27

  • SHA512

    1b367064fd2f9fdf8bcaa787b1cdf4ff758fb7be875e466875b956a6d8607692843c7c12316a70671eb58480726513bad2217e0cbd292987143d22777855b101

  • SSDEEP

    196608:2zYGZc71m9mVl5WldX9NUc/g6thkfMLZfqoh4Za:6ZSm9mVl5WldTx2fMFBaZa

  Score

  10^/10

  crimsonratdjvugandcrablockbiturelasvanillaratvidarxmrig904backdoordefense_evasiondiscoveryevasionexecutionimpactminerpersistenceransomwareratspywarestealertrojanupxvmprotect

  • CrimsonRAT main payload

  • CrimsonRat

    Crimson RAT is a malware linked to a Pakistani-linked threat actor.

    ratcrimsonrat

  • Crimsonrat family

    crimsonrat

  • Detected Djvu ransomware

  • Disables service(s)

    evasionexecution

  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

    ransomwaredjvu

  • Djvu family

    djvu

  • GandCrab payload

  • Gandcrab

    Gandcrab is a Trojan horse that encrypts files on a computer.

    ransomwarebackdoorgandcrab

  • Gandcrab family

    gandcrab

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

    ransomwarelockbit

  • Lockbit family

    lockbit

  • Modifies WinLogon for persistence

    persistence

  • Modifies visibility of file extensions in Explorer

    evasion

  • Modifies visiblity of hidden/system files in Explorer

    evasion

  • Urelas

    Urelas is a trojan targeting card games.

    trojanurelas

  • Urelas family

    urelas

  • VanillaRat

    VanillaRat is an advanced remote administration tool coded in C#.

    ratvanillarat

  • Vanillarat family

    vanillarat

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

    stealervidar

  • Vidar family

    vidar

  • Xmrig family

    xmrig

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Detected Nirsoft tools

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • Modifies boot configuration data using bcdedit

    ransomwareevasion

  • NirSoft WebBrowserPassView

    Password recovery tool for various web browsers

  • Renames multiple (3303) files with added filename extension

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

    ransomware

  • Vanilla Rat payload

    rat

  • Vidar Stealer

    stealer

  • XMRig Miner payload

    miner

  • Deletes backup catalog

    Uses wbadmin.exe to inhibit system recovery.

    ransomware

  • Disables RegEdit via registry modification

    evasion

  • Disables use of System Restore points

    evasion

  • Checks computer location settings

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

  • Drops startup file

  • Executes dropped EXE

  • Modifies file permissions

    discovery

  • Modifies system executable filetype association

    persistence

  • Reads user/profile data of web browsers

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

    spywarestealer

  • VMProtect packed file

    Detects executables packed with VMProtect commercial packer.

    vmprotect

  • Adds Run key to start application

    persistence

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Drops desktop.ini file(s)

  • Enumerates connected drives

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

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Network Service Discovery

    Attempt to gather information on host's network.

    discovery

  • Network Share Discovery

    Attempt to gather information on host network.

    discovery

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  • UPX packed file

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

    upx
  behavioral1