MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50aeef0b51cd464b5fdaf5eed9632cfdda145ccc88e8c56773723e9a575963bf. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 50aeef0b51cd464b5fdaf5eed9632cfdda145ccc88e8c56773723e9a575963bf
SHA3-384 hash: e6a00ff8656d3fcfb5aa074d337069adc3e32107e028f9b04e172a7c4579e3a2202bb274f4e7c79ffdd2201250c97b35
SHA1 hash: 5d974f9a637b0216b454062c9149c01bbf01d713
MD5 hash: 244c43d32a7b404823efcb4c6f33d1a0
humanhash: minnesota-william-nineteen-lemon
File name:freebitcoin.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:245'760 bytes
First seen:2025-07-30 09:33:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4cea7ae85c87ddc7295d39ff9cda31d1 (85 x RedLineStealer, 69 x LummaStealer, 61 x Rhadamanthys)
ssdeep 3072:IahKyd2n31U5EC8Bbib9Mgjk+RHP+GEqqUFh87voCAYaOYbnRxkMT:IahOJCynGR2knF67voln1
Threatray 134 similar samples on MalwareBazaar
TLSH T1FB34AE5223E425B2D8768774A4F281835A717C725BB452EF22CCE33D4F726E0A536B1B
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10522/11/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 7af9f8dcd8c8c0c0 (1 x QuasarRAT)
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
37
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
freebitcoin.exe
Verdict:
Malicious activity
Analysis date:
2025-07-30 02:00:53 UTC
Tags:
loader reverseloader ta558 apt payload stegocampaign auto-reg crypto-regex
Link:
https://app.any.run/tasks/629b93b8-e8c5-4c9c-b83f-9477a41408de

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/17737/
Detection(s):
TwinWave.EvilVBA.LostAtSeaFuncInDirection.20240306.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68897cd40b4775fb2133577b
Tags:
xtreme shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context base64 CAB cmd explorer installer lolbin microsoft_visual_cc obfuscated powershell rundll32 runonce sfx
Link:
https://www.filescan.io/uploads/6889e72113488cfd44e051d7/reports/01b7fc31-e4d7-428b-9299-389efa31219a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/50aeef0b51cd464b5fdaf5eed9632cfdda145ccc88e8c56773723e9a575963bf
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/5882347b-13cf-491d-8a84-fb663fe3d537
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1746964
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Decrypt And Execute Base64 Data
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious PowerShell IEX Execution Patterns
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1746964 Sample: freebitcoin.exe Startdate: 30/07/2025 Architecture: WINDOWS Score: 100 42 de3.localto.net 2->42 44 raw.githubusercontent.com 2->44 52 Suricata IDS alerts for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 14 other signatures 2->58 12 freebitcoin.exe 1 3 2->12         started        15 MSBuild.exe 2 2->15         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\6888126015fea.vbs, ASCII 12->40 dropped 17 cmd.exe 3 2 12->17         started        19 conhost.exe 15->19         started        process6 process7 21 wscript.exe 1 17->21         started        24 conhost.exe 17->24         started        signatures8 60 Suspicious powershell command line found 21->60 62 Wscript starts Powershell (via cmd or directly) 21->62 64 Windows Scripting host queries suspicious COM object (likely to drop second stage) 21->64 66 Suspicious execution chain found 21->66 26 powershell.exe 14 17 21->26         started        process9 dnsIp10 46 176.46.152.39, 49719, 80 ESTPAKEE Iran (ISLAMIC Republic Of) 26->46 48 raw.githubusercontent.com 185.199.108.133, 443, 49718 FASTLYUS Netherlands 26->48 68 Writes to foreign memory regions 26->68 70 Injects a PE file into a foreign processes 26->70 30 MSBuild.exe 6 26->30         started        34 conhost.exe 26->34         started        signatures11 process12 dnsIp13 50 de3.localto.net 138.199.162.81, 1257, 49723, 49725 ORANGE-BUSINESS-SERVICES-IPSN-ASNFR European Union 30->50 72 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 30->72 74 Uses schtasks.exe or at.exe to add and modify task schedules 30->74 76 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->76 36 schtasks.exe 1 30->36         started        signatures14 process15 process16 38 conhost.exe 36->38         started       
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/50aeef0b51cd464b5fdaf5eed9632cfdda145ccc88e8c56773723e9a575963bf
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/50aeef0b51cd464b5fdaf5eed9632cfdda145ccc88e8c56773723e9a575963bf/
Verdict:
Malicious
Threat:
Trojan-Downloader.PowerShell.NanoShield
Link:
https://tip.neiki.dev/file/50aeef0b51cd464b5fdaf5eed9632cfdda145ccc88e8c56773723e9a575963bf
Threat name:
Win64.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-07-30 02:00:54 UTC
File Type:
PE+ (Exe)
Extracted files:
23
AV detection:
19 of 38 (50.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kcxo6c2rzvdewx626xxnsyzm7xnbixgmrdumkz3toi7juv2zmo7q._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
06879f85dc934cf1d8074bbe94b9bc88e0eecdc325c9ac790195ff5225552bfd
QuasarRAT
270eb5e8c2481e2611f3805dba760256e8be56efea15d519df95a6d5dbf29fcd
QuasarRAT
2c9a9dad74ed9892e2d73dc8a1bbfcdd46d6d9d54a4625a803842d734a5a8ec2
QuasarRAT
659655e1978f173874b8e7ee162720482d3314cf04c4ec6a4a58022856dd6b7f
QuasarRAT
9a1a07caef95485ed3b67cee28cd179755ae10003978601bf3173c31ea5b603b
QuasarRAT
a845d78bb580f0e945968e893f9359bcc4aa001489e73a49c8c9876190cda2df
QuasarRAT
error
QuasarRAT
+ 124 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/250730-ljw17aytgx/
Behaviour
Modifies registry class
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d775b7e1-a6b0-4af8-9f4d-0c074c85979a
Unpacked files
SH256 hash:
50aeef0b51cd464b5fdaf5eed9632cfdda145ccc88e8c56773723e9a575963bf
MD5 hash:
244c43d32a7b404823efcb4c6f33d1a0
SHA1 hash:
5d974f9a637b0216b454062c9149c01bbf01d713
Link:
https://www.unpac.me/results/de1e1d8f-ef34-4c4a-bb0c-61891a70c460/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/50aeef0b51cd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/50aeef0b51cd464b5fdaf5eed9632cfdda145ccc88e8c56773723e9a575963bf

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:detect_Redline_Stealer
Create hunting rule
Author:Varp0s

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/17737/

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::AllocateAndInitializeSid
ADVAPI32.dll::EqualSid
ADVAPI32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetSystemInfo
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryInfoKeyA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageA

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