djvu | c283ed662a29c18b117ba63ac41cca356934c6a29a1eb66e30d8305637e3411b

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General

Target

vir.exe
Size

336.1MB
Sample

240525-m55qwseb8s
MD5

bc82ea785da1180a8a964b3e54ad106c
SHA1

4c1952ce778455af8ed10dca7b9f77d7815e8d0a
SHA256

c283ed662a29c18b117ba63ac41cca356934c6a29a1eb66e30d8305637e3411b
SHA512

62bf34d75e913a47185664a34555678d0b8c2cf03c9e922b0bdcb085713322bafba2bf396b43a4cda7e0be6d315aea027bba29c628fe561d01e3026b4e0b405b
SSDEEP

6291456:72qVJw+odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHZdHVeVF0oJ:yr+WeSWgfecGT4RjvqP85/A33

Malware Config

Extracted

Family

quasar

Attributes

reconnect_delay
3000

Extracted

Family

quasar

Version

1.4.1

Botnet

romka

jozzu420-51305.portmap.host:51305

Mutex

0445c342-b551-411c-9b80-cd437437f491

Attributes

encryption_key
E1BF1D99459F04CAF668F054744BC2C514B0A3D6
install_name
Romilyaa.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Windows 10 Boot
subdirectory
SubDir

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

5.42.65.115:40551

Targets

- Target
  
  vir.exe
- Size
  
  336.1MB
- MD5
  
  bc82ea785da1180a8a964b3e54ad106c
- SHA1
  
  4c1952ce778455af8ed10dca7b9f77d7815e8d0a
- SHA256
  
  c283ed662a29c18b117ba63ac41cca356934c6a29a1eb66e30d8305637e3411b
- SHA512
  
  62bf34d75e913a47185664a34555678d0b8c2cf03c9e922b0bdcb085713322bafba2bf396b43a4cda7e0be6d315aea027bba29c628fe561d01e3026b4e0b405b
- SSDEEP
  
  6291456:72qVJw+odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHZdHVeVF0oJ:yr+WeSWgfecGT4RjvqP85/A33
Score

10^/10

djvu masslogger njrat privateloader quasar redline tofsee umbral logsdiller cloud (tg: @logsdillabot)romka bootkit collection discovery evasion execution exploit infostealer loader persistence ransomware spyware stealer themida trojan upx
- Detect Umbral payload
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- MassLogger
  Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
  stealer spyware masslogger
- MassLogger Main payload
- Modifies WinLogon for persistence
  persistence
- Modifies firewall policy service
  evasion
- Modifies visibility of file extensions in Explorer
  evasion
- Modifies visiblity of hidden/system files in Explorer
  evasion
- PrivateLoader
  PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
  loader privateloader
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- Quasar RAT
  Quasar is an open source Remote Access Tool.
  trojan spyware quasar
- Quasar payload
- RedLine
  RedLine Stealer is a malware family written in C#, first appearing in early 2020.
  infostealer redline
- RedLine payload
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Tofsee
  Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
  trojan tofsee
- UAC bypass
  evasion trojan
- Umbral
  Umbral stealer is an opensource moduler stealer written in C#.
  stealer umbral
- Windows security bypass
  evasion trojan
- njRAT/Bladabindi
  Widely used RAT written in .NET.
  trojan njrat
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
  Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
  execution
- Creates new service(s)
  persistence execution
- Disables RegEdit via registry modification
  evasion
- Downloads MZ/PE file
- Drops file in Drivers directory
- Manipulates Digital Signatures
  Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.
- Modifies Windows Firewall
  evasion
- Possible privilege escalation attempt
  exploit
- Stops running service(s)
  evasion execution
- .NET Reactor proctector
  Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- 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.
  spyware stealer
- Registers COM server for autorun
  persistence
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Unexpected DNS network traffic destination
  Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Windows security modification
  evasion trojan
- Accesses Microsoft Outlook profiles
  collection
- 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
  evasion trojan
- Drops Chrome extension
- Drops desktop.ini file(s)
- 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
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Modifies WinLogon
  persistence
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- AutoIT Executable
  AutoIT scripts compiled to PE executables.
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1