Overview

overview

10

Static

static

10

vir.exe

windows10-2004-x64

10

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General

  • Target

    vir.exe

  • Size

    311.5MB

  • Sample

    240524-yy3thahh49

  • MD5

    a1de82c1422982ea97222e9e703e6b0a

  • SHA1

    7a7f30f72e4cbc3e9048bcc4feb0691626275bc5

  • SHA256

    62bec3de78eb55cfd5612fd065a68e9e7e798adb191e692a426f93b1f7e6ad98

  • SHA512

    8876912bf10853dca5540e49d99324430a00c2873a9bf5e871ffa41518d9c04884b105d6f17f7f158b91b60f3912e8f1018aa5c8b77f54a78670bfcea0a25bc7

  • SSDEEP

    6291456:b2qVJw+odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHNdHVeVM:Sr+WeSWgfecGT4RjvqP857AK

Score
10/10
djvulummanjratprivateloaderquasarredlineriseprotofseeumbrallogsdiller cloud (tg: @logsdillabot)romkabootkitcollectiondiscoveryevasionexecutionexploitinfostealerlinkloaderpdfpersistenceransomwarespywarestealerthemidatrojanupx

Malware Config

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Extracted

Family

quasar

Version

1.4.1

Botnet

romka

C2

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)

C2

5.42.65.115:40551

Extracted

Family

lumma

C2

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

      311.5MB

    • MD5

      a1de82c1422982ea97222e9e703e6b0a

    • SHA1

      7a7f30f72e4cbc3e9048bcc4feb0691626275bc5

    • SHA256

      62bec3de78eb55cfd5612fd065a68e9e7e798adb191e692a426f93b1f7e6ad98

    • SHA512

      8876912bf10853dca5540e49d99324430a00c2873a9bf5e871ffa41518d9c04884b105d6f17f7f158b91b60f3912e8f1018aa5c8b77f54a78670bfcea0a25bc7

    • SSDEEP

      6291456:b2qVJw+odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHNdHVeVM:Sr+WeSWgfecGT4RjvqP857AK

    Score
    10/10
    djvulummaprivateloaderquasarredlineriseprotofseelogsdiller cloud (tg: @logsdillabot)romkabootkitcollectiondiscoveryevasionexecutionexploitinfostealerloaderpersistenceransomwarespywarestealerthemidatrojanupx

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

      stealerlumma

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

      loaderprivateloader

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

      infostealerredline

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

      stealerrisepro

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • UAC bypass

      evasiontrojan

    • Windows security bypass

      evasiontrojan

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Creates new service(s)

      persistenceexecution

    • 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 Installed Components in the registry

      persistence

    • Modifies Windows Firewall

      evasion

    • Possible privilege escalation attempt

      exploit

    • Sets service image path in registry

      persistence

    • Stops running service(s)

      evasionexecution

    • .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.

      spywarestealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • 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

      evasiontrojan

    • 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

      evasiontrojan

    • 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.

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • 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

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

5
T1547

Registry Run Keys / Startup Folder

4
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

4
T1543

Windows Service

4
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

5
T1547

Registry Run Keys / Startup Folder

4
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

4
T1543

Windows Service

4
T1543.003

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

13
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

5
T1562

Disable or Modify Tools

3
T1562.001

Disable or Modify System Firewall

1
T1562.004

Virtualization/Sandbox Evasion

1
T1497

Subvert Trust Controls

2
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Install Root Certificate

1
T1553.004

File and Directory Permissions Modification

1
T1222

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

9
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

8
T1082

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

Peripheral Device Discovery

2
T1120

Process Discovery

1
T1057

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

1
T1490

Service Stop

1
T1489

Defacement

1
T1491

Resource Development

Reconnaissance

Tasks