MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1808e73f2c78354cfa8e9ad01afcec4bf4111afd316a5d262d013c155b0c3982. 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: 21


Intelligence 21 IOCs 1 YARA 29 File information Comments

SHA256 hash: 1808e73f2c78354cfa8e9ad01afcec4bf4111afd316a5d262d013c155b0c3982
SHA3-384 hash: d1d4ea037f17ba2aa9fb9415b7d3f3d26203c0f862d287085dfbd8c6ae09c05fa9f96580a3395b4741d47bc8d4a7007d
SHA1 hash: b77f8e2d06741e78e29c61fd17dbc070766b733c
MD5 hash: f64203d48c19021a048ceeaf4068b2e3
humanhash: uncle-magazine-carpet-utah
File name:pppp.exe
Download: download sample
Signature QuasarRAT
File size:3'266'048 bytes
First seen:2025-12-02 05:19:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 49152:rvbI22SsaNYfdPBldt698dBcjHkC/1JnvoGdOTHHB72eh2NT:rvk22SsaNYfdPBldt6+dBcjHkCP
Threatray 1'791 similar samples on MalwareBazaar
TLSH T1B1E54A1437F85E23E1BBE273D5B0041267F1EC2AB3A3FB5B6181677A1C53B505841AAB
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 BlinkzSec
Tags:exe QuasarRAT

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
77.221.154.164:4444 https://threatfox.abuse.ch/ioc/1665422/

Intelligence


File Origin
# of uploads :
1
# of downloads :
126
Origin country :
PL PL
Vendor Threat Intelligence
Details
No details
Malware family:
ID:
1
File name:
pppp.exe
Verdict:
Malicious activity
Analysis date:
2025-12-02 05:21:19 UTC
Tags:
rat quasar remote evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
infosteal asyncrat quasar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 certreq expand explorer fingerprint infostealer lolbin obfuscated obfuscated quasar quasarrat reconnaissance runonce schtasks stealer tiger
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-01T08:26:00Z UTC
Last seen:
2025-12-01T20:33:00Z UTC
Hits:
~100
Verdict:
inconclusive
YARA:
14 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.31 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Status:
Malicious
First seen:
2025-12-01 11:17:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
28 of 36 (77.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:office04 spyware trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Enumerates physical storage devices
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
77.221.154.164:4444
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:
1808e73f2c78354cfa8e9ad01afcec4bf4111afd316a5d262d013c155b0c3982
MD5 hash:
f64203d48c19021a048ceeaf4068b2e3
SHA1 hash:
b77f8e2d06741e78e29c61fd17dbc070766b733c
Detections:
QuasarRAT
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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

QuasarRAT

Executable exe 1808e73f2c78354cfa8e9ad01afcec4bf4111afd316a5d262d013c155b0c3982

(this sample)

  
Delivery method
Distributed via web download

Comments