MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f0c43110199ea7c43eae5b7344b1e587a07463d6096acd3dee3b29e49468a70f. 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: 19
| SHA256 hash: | f0c43110199ea7c43eae5b7344b1e587a07463d6096acd3dee3b29e49468a70f |
|---|---|
| SHA3-384 hash: | a2fa9693df42c3ba21624bf2e41b233067fcc33e0575b903602c4f0d5bebd84d9bbb559dc4c4eb7586378d41c42d25da |
| SHA1 hash: | 2f87b411f51507f2bb97ff8400e2c8ecaf9f62e6 |
| MD5 hash: | 3e1b7a2e73491705b17426b31b2f6f96 |
| humanhash: | washington-dakota-west-four |
| File name: | f0c43110199ea7c43eae5b7344b1e587a07463d6096ac.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 3'266'048 bytes |
| First seen: | 2025-05-14 23:10:18 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 49152:3vSI22SsaNYfdPBldt698dBcjHmltGC5TlGkk/GLoGdjTHHB72eh2NT:3v/22SsaNYfdPBldt6+dBcjHTCj |
| Threatray | 1'290 similar samples on MalwareBazaar |
| TLSH | T144E55B143BF85E32E16AD27395B0901667F1FC2AF363EB0B6291677E1C53B405C426AB |
| TrID | 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 8.4% (.EXE) Win64 Executable (generic) (10522/11/4) 5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.0% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Magika | pebin |
| Reporter |  abuse_ch |
| Tags: | exe QuasarRAT RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 176.100.37.167:6215 | https://threatfox.abuse.ch/ioc/1523160/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
675
Origin country :
NLVendor Threat Intelligence
Malware family:
amadey
ID:
1
File name:
0aa760335632ece1dd3778658420ea2b.exe
Verdict:
Malicious activity
Analysis date:
2025-05-14 20:22:43 UTC
Tags:
auto-sch loader amadey botnet stealer lumma rat quasar remote evasion auto-reg rdp telegram gcleaner uac
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
infosteal autorun quasar
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Connection attempt
Sending a custom TCP request
Setting a keyboard event handler
DNS request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm base64 certreq expand explorer fingerprint infostealer keylogger lolbin obfuscated obfuscated quasarrat rat reconnaissance remote runonce schtasks stealer stealer
Verdict:
Malicious
Labled as:
Trojan.Agent
Malware family:
Quasar RAT
Verdict:
Malicious
Result
Threat name:
AsyncRAT, Quasar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Detection:
quasar
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Status:
Malicious
First seen:
2025-05-14 20:49:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
31 of 37 (83.78%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
quasarrat
Similar samples:
+ 1'280 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar botnet:office04 spyware trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
176.100.37.167:6215
Verdict:
Malicious
Tags:
rat quasar_rat stealer Win.Malware.Generic-9883083-0
YARA:
MAL_QuasarRAT_May19_1 malware_windows_quasarrat win_quasar_rat_client MALWARE_Win_Quasarstealer
Unpacked files
SH256 hash:
f0c43110199ea7c43eae5b7344b1e587a07463d6096acd3dee3b29e49468a70f
MD5 hash:
3e1b7a2e73491705b17426b31b2f6f96
SHA1 hash:
2f87b411f51507f2bb97ff8400e2c8ecaf9f62e6
Detections:
QuasarRAT
Malware family:
QuasarRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
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: | BLOWFISH_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for Blowfish constants |
| Rule name: | Detect_PowerShell_Obfuscation |
|---|---|
| Author: | daniyyell |
| Description: | Detects obfuscated PowerShell commands commonly used in malicious scripts. |
| 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_QuasarStealer |
|---|---|
| Author: | ditekshen |
| Description: | Detects Quasar infostealer |
| 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: | 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_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: | 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: | Windows_Generic_Threat_803feff4 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_quasar_rat_client |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in Quasar Rat Samples. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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