MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



QuasarRAT


Vendor detections: 14


Intelligence 14 IOCs YARA 46 File information Comments

SHA256 hash: 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999
SHA3-384 hash: 748086c4b5ba1decd49e36cac4c20fc2911a35f3193664e04c6bd6f16cf0eb4cea44ff2b83273309fff6d39cb536a667
SHA1 hash: d287bb38f83941199fa66d7420b6f8cff2257a16
MD5 hash: dd2c5095b1d6590197ed2432837655f0
humanhash: avocado-uniform-early-colorado
File name:24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999
Download: download sample
Signature QuasarRAT
File size:5'644'800 bytes
First seen:2025-01-27 07:56:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 98304:zHTFcsxxcsx30XgnNvfSDRyhoVi8rhh+xX/r:zHOgn0DRy2oR/r
Threatray 973 similar samples on MalwareBazaar
TLSH T1A7465D24ABF85E27C06AE7F2C7F34053A2F1E86E77329B1B514163682653752294327F
TrID 31.3% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
24.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
17.7% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
7.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
4.5% (.EXE) Win64 Executable (generic) (10522/11/4)
Magika pebin
Reporter JAMESWT_WT
Tags:exe QuasarRAT roblox-airdns-org

Intelligence


File Origin
# of uploads :
1
# of downloads :
429
Origin country :
IT IT
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Launching a process
Creating a process with a hidden window
Setting a keyboard event handler
Connection attempt to an infection source
Creating a file in the Windows subdirectories
Deleting a recently created file
Creating a file in the system32 subdirectories
Searching for synchronization primitives
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Setting browser functions hooks
Forced shutdown of a system process
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Using obfuscated Powershell scripts
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
agenttesla anti-vm anti-vm crypto dllhost evasive expand explorer infostealer keylogger lolbin lolbin obfuscated packed packed quasarrat rat remote runonce schtasks stealer stealer
Verdict:
Malicious
Labled as:
Dump:Generic.ShellCode.Metasploit.Marte.2
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Metasploit Framework
Verdict:
Malicious
Result
Threat name:
Quasar, ReverseShell
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains process injector
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hooks files or directories query functions (used to hide files and directories)
Hooks processes query functions (used to hide processes)
Hooks registry keys query functions (used to hide registry keys)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential WinAPI Calls Via CommandLine
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Quasar RAT
Yara detected ReverseShell
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1600200 Sample: 4pzw93B7GY.exe Startdate: 27/01/2025 Architecture: WINDOWS Score: 100 42 roblox.airdns.org 2->42 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 15 other signatures 2->54 9 powershell.exe 2 15 2->9         started        12 4pzw93B7GY.exe 2 3 2->12         started        signatures3 process4 dnsIp5 60 Writes to foreign memory regions 9->60 62 Modifies the context of a thread in another process (thread injection) 9->62 64 Found suspicious powershell code related to unpacking or dynamic code loading 9->64 66 Injects a PE file into a foreign processes 9->66 15 dllhost.exe 1 9->15         started        18 conhost.exe 9->18         started        44 roblox.airdns.org 64.42.179.59, 49718, 49873, 49978 DEDICATEDUS United States 12->44 68 Uses schtasks.exe or at.exe to add and modify task schedules 12->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->70 72 Installs a global keyboard hook 12->72 74 2 other signatures 12->74 20 powershell.exe 1 12->20         started        22 schtasks.exe 1 12->22         started        signatures6 process7 signatures8 76 Injects code into the Windows Explorer (explorer.exe) 15->76 78 Contains functionality to inject code into remote processes 15->78 80 Writes to foreign memory regions 15->80 84 2 other signatures 15->84 24 lsass.exe 15->24 injected 27 svchost.exe 15->27 injected 29 svchost.exe 15->29 injected 38 31 other processes 15->38 82 Injects a PE file into a foreign processes 20->82 32 conhost.exe 20->32         started        34 powershell.exe 1 20->34         started        36 conhost.exe 22->36         started        process9 dnsIp10 56 Writes to foreign memory regions 24->56 40 svchost.exe 24->40 injected 58 System process connects to network (likely due to code injection or exploit) 27->58 46 roblox.airdns.org 29->46 signatures11 process12
Threat name:
ByteCode-MSIL.Exploit.MetasploitMarte
Status:
Malicious
First seen:
2024-09-04 03:33:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar bootkit defense_evasion discovery execution persistence spyware trojan
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Enumerates connected drives
Writes to the Master Boot Record (MBR)
Checks BIOS information in registry
Checks computer location settings
Indicator Removal: Clear Windows Event Logs
Sets service image path in registry
Modifies security service
Quasar RAT
Quasar family
Quasar payload
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Malicious
Tags:
red_team_tool cobalt_strike metasploit backdoor rshell rootkit rat quasar_rat Win.Trojan.MSShellcode-6
YARA:
Stairwell_CobaltStrike_Stager_API_Hashing Windows_Trojan_Metasploit_7bc0f998 Windows_Trojan_Metasploit_c9773203 mal_metasploit_shellcode_windows_powershell_tcp Windows_Rootkit_R77_ee853c9f malware_windows_quasarrat MAL_QuasarRAT_May19_1
Unpacked files
SH256 hash:
786a40e064ca693fcfba9785bfa2ce02bf51a217ce64f16163e8d326f9d38452
MD5 hash:
18d68c63ac10fc0febacfdf7da55b937
SHA1 hash:
1fe6994c467e81d660a33ae3b790a9ee9975a818
SH256 hash:
b4c2f2f918d1ee419a7c1b6fff276e3b348a934c0dd1ab093f033618cac47c23
MD5 hash:
b0457c6020b77cee7d66b1b6d17d7819
SHA1 hash:
2389d4434cb79c36db21dfa9299a631de34b202b
SH256 hash:
24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999
MD5 hash:
dd2c5095b1d6590197ed2432837655f0
SHA1 hash:
d287bb38f83941199fa66d7420b6f8cff2257a16
Detections:
QuasarRAT
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_powershell
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifacts observed in infostealers
Rule name:Lumma_Stealer_Detection
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:MALWARE_Win_R77
Author:ditekSHen
Description:Detects r77 rootkit
Rule name:mal_metasploit_shellcode_windows_powershell_tcp
Author:Maxime THIEBAUT (@0xThiebaut)
Description:Detects Metasploit import-hashes from the windows/powershell_bind_tcp and windows/powershell_reverse_tcp payloads
Reference:https://blog.nviso.eu/2021/09/02/anatomy-and-disruption-of-metasploit-shellcode/
Rule name:MAL_QuasarRAT_May19_1
Description:Detects QuasarRAT malware
Rule name:MAL_QuasarRAT_May19_1
Author:Florian Roth (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_peb_parsing
Author:Willi Ballenthin
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:quasarrat
Author:jeFF0Falltrades
Rule name:quasarrat_kingrat
Author:jeFF0Falltrades
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RC6_Constants
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Rootkit_R77_be403e3c
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/elastic-security-labs-steps-through-the-r77-rootkit
Rule name:Windows_Rootkit_R77_d0367e28
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/elastic-security-labs-steps-through-the-r77-rootkit
Rule name:Windows_Rootkit_R77_ee853c9f
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/elastic-security-labs-steps-through-the-r77-rootkit
Rule name:Windows_Trojan_Metasploit_7bc0f998
Description:Identifies the API address lookup function leverage by metasploit shellcode
Rule name:Windows_Trojan_Metasploit_7bc0f998
Author:Elastic Security
Description:Identifies the API address lookup function leverage by metasploit shellcode
Rule name:Windows_Trojan_Metasploit_c9773203
Description:Identifies the 64 bit API hashing function used by Metasploit. This has been re-used by many other malware families.
Reference:https://github.com/rapid7/metasploit-framework/blob/04e8752b9b74cbaad7cb0ea6129c90e3172580a2/external/source/shellcode/windows/x64/src/block/block_api.asm
Rule name:Windows_Trojan_Metasploit_c9773203
Author:Elastic Security
Description:Identifies the 64 bit API hashing function used by Metasploit. This has been re-used by many other malware families.
Reference:https://github.com/rapid7/metasploit-framework/blob/04e8752b9b74cbaad7cb0ea6129c90e3172580a2/external/source/shellcode/windows/x64/src/block/block_api.asm

File information


The table below shows additional information about this malware sample such as delivery method and external references.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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