djvu | 10e2c6a8bd727fdd13c292d295f77eadaeda281a95ca21471e565eee8016baab

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General

Target

vir.exe
Size

299.1MB
Sample

240524-n9axrahe7v
MD5

8446764640bdf4bb428f370e11779aaa
SHA1

f30da6067c4bec7b9bab35358fb9f8dac049c473
SHA256

10e2c6a8bd727fdd13c292d295f77eadaeda281a95ca21471e565eee8016baab
SHA512

e05efadfc1eb98d60a59dc8da6cc5e06700d10e38d1c6cf2411f3112ac4ff7e5e2fcd11c326f751e93878d0108204dc6a550289aa1523e810c5857089d27dcc6
SSDEEP

6291456:QKJdHVeV6odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHI:QKvAQWeSWgfecGT4RjvqP85o

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

lumma

https://employhabragaomlsp.shop/api

https://museumtespaceorsp.shop/api

https://buttockdecarderwiso.shop/api

https://averageaattractiionsl.shop/api

https://femininiespywageg.shop/api

https://stalfbaclcalorieeis.shop/api

https://civilianurinedtsraov.shop/api

https://roomabolishsnifftwk.shop/api

Targets

- Target
  
  vir.exe
- Size
  
  299.1MB
- MD5
  
  8446764640bdf4bb428f370e11779aaa
- SHA1
  
  f30da6067c4bec7b9bab35358fb9f8dac049c473
- SHA256
  
  10e2c6a8bd727fdd13c292d295f77eadaeda281a95ca21471e565eee8016baab
- SHA512
  
  e05efadfc1eb98d60a59dc8da6cc5e06700d10e38d1c6cf2411f3112ac4ff7e5e2fcd11c326f751e93878d0108204dc6a550289aa1523e810c5857089d27dcc6
- SSDEEP
  
  6291456:QKJdHVeV6odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHI:QKvAQWeSWgfecGT4RjvqP85o
Score

10^/10

djvu lumma privateloader quasar romka bootkit collection discovery evasion execution loader persistence ransomware spyware stealer themida trojan upx
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Lumma Stealer
  An infostealer written in C++ first seen in August 2022.
  stealer lumma
- 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
- Quasar RAT
  Quasar is an open source Remote Access Tool.
  trojan spyware quasar
- Quasar payload
- UAC bypass
  evasion trojan
- Windows security bypass
  evasion trojan
- 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 and hide display window.
  execution
- Disables RegEdit via registry modification
  evasion
- Downloads MZ/PE file
- Drops file in Drivers directory
- Modifies Installed Components in the registry
  persistence
- Sets service image path in registry
  persistence
- .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
- Modifies system executable filetype association
  persistence
- Reads user/profile data of local email clients
  Email clients store some user data on disk where infostealers will often target it.
  spyware stealer
- 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 for any installed AV software in registry
- 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
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1