MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab1cbb4818e92643fe53bf95ade461ddbf6dde22fbbd63f6fc81ecdbf42ee5d4. 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: 18


Intelligence 18 IOCs YARA 8 File information Comments

SHA256 hash: ab1cbb4818e92643fe53bf95ade461ddbf6dde22fbbd63f6fc81ecdbf42ee5d4
SHA3-384 hash: dd6bc88e2f481cd92626f3c8d8fe0435f733b29390441abf4b84a25a53308809203afdf0585d806b74149e3df79d9c9c
SHA1 hash: be34e9a70a9a80e97e2c25ff996f55a67a1e00cf
MD5 hash: 4ee3deac11a05cd0c047ae0bd5289480
humanhash: spaghetti-king-yellow-october
File name:ProtectedHexConverter.exe
Download: download sample
Signature QuasarRAT
File size:13'274'726 bytes
First seen:2025-08-03 16:16:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 064967a99ade726316dc79a4a929fe96 (5 x QuasarRAT, 2 x PythonStealer, 1 x njrat)
ssdeep 196608:oiSCa85DbJrteFQugl7+O3cIurHmoFP/XRLm8xP5sVHBR2wTC/LnPyrfMSnfIdR:8785vzaQuXiJuCAXM8xPaBMWftg
Threatray 784 similar samples on MalwareBazaar
TLSH T1B4D6332C23A401EBF8E5D73E95A3CC71D71DAE522F16C19B83E466691C232D0663FB52
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
dhash icon aebc385c4ce0e8f8 (10 x PythonStealer, 7 x RedLineStealer, 7 x DCRat)
Reporter burger
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
34
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ProtectedHexConverter.exe
Verdict:
Malicious activity
Analysis date:
2025-08-03 05:40:46 UTC
Tags:
quasar rat evasion python pyinstaller

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
installer extens remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Creating a window
Creating a file
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm expand lolbin microsoft_visual_cc overlay overlay packed packed pyinstaller pyinstaller
Result
Threat name:
Quasar, XRat
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Detected Quasar RAT
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Potentially Suspicious Malware Callback Communication
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Yara detected Quasar RAT
Yara detected XRat
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PDB Path PE (Portable Executable) Win 64 Exe x64
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2025-08-03 16:17:00 UTC
File Type:
PE+ (Exe)
Extracted files:
1010
AV detection:
12 of 24 (50.00%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:202 discovery pyinstaller spyware trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
windows10-11.ddnsfree.com:5552
windows10-11.ddns.net:5552
Verdict:
Malicious
Tags:
External_IP_Lookup VoidRat AZORult Qasar_Rat
YARA:
n/a
Unpacked files
SH256 hash:
ab1cbb4818e92643fe53bf95ade461ddbf6dde22fbbd63f6fc81ecdbf42ee5d4
MD5 hash:
4ee3deac11a05cd0c047ae0bd5289480
SHA1 hash:
be34e9a70a9a80e97e2c25ff996f55a67a1e00cf
Malware family:
QuasarRAT
Verdict:
Malicious
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:DebuggerCheck__API
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:dependsonpythonailib
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:Detect_PyInstaller
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:PyInstaller
Author:@bartblaze
Description:Identifies executable converted using PyInstaller. This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

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 (FORCE_INTEGRITY)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::ConvertSidToStringSidW
ADVAPI32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::FindFirstFileW
KERNEL32.dll::RemoveDirectoryW
KERNEL32.dll::SetDllDirectoryW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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