MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 038da7941cb395df589983f3b09346694fe2a3a9e458a295ebfd5bd7c9fdb434. 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: 12


Intelligence 12 IOCs YARA 16 File information Comments

SHA256 hash: 038da7941cb395df589983f3b09346694fe2a3a9e458a295ebfd5bd7c9fdb434
SHA3-384 hash: 4f9be4eb263c9339a5e73d78e5030bbed8d3a423e59ade63c8aa162fa66047bae5a59416f1b14bcb0b64b409cbf7273d
SHA1 hash: 6179f1929d3b2cdeb9d453ef1ec5ce3c88521923
MD5 hash: 802aa7a4a57b22e797ebeb2b3b638527
humanhash: hamper-rugby-connecticut-cup
File name:file
Download: download sample
Signature QuasarRAT
File size:2'613'248 bytes
First seen:2026-02-10 08:05:22 UTC
Last seen:2026-02-10 08:43:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'796 x AgentTesla, 19'699 x Formbook, 12'277 x SnakeKeylogger)
ssdeep 49152:j7L+2upjBVhbAbXMtQl/wLz8r5S5l7KdVSZ4eY83TAcmi:/L+2upjBVGVl/lQrCSZ4183Dmi
TLSH T1CAC5238537FC4909F6BF9B702CB6662486BDB8A35E25DB5E05C4309C1930BE5AD60F23
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543 QuasarRAT


Avatar
Bitsight
url: http://130.12.180.43/files/7972786482/Cia2O5x.exe

Intelligence


File Origin
# of uploads :
13
# of downloads :
134
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
BackGround
Details
BackGround
a c2 url or Telegram parameters
Malware family:
n/a
ID:
1
File name:
_038da7941cb395df589983f3b09346694fe2a3a9e458a295ebfd5bd7c9fdb434.exe
Verdict:
Malicious activity
Analysis date:
2026-02-10 08:07:00 UTC
Tags:
uac stealer evasion arch-doc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
packed virus micro
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm base64 evasive eventvwr fingerprint formbook installer-heuristic lolbin obfuscated packed polazert privilege reconnaissance
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-02-07T05:39:00Z UTC
Last seen:
2026-02-07T08:07:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Coins.sb Trojan-PSW.Win32.Agent.sb Trojan-PSW.MSIL.Stealer.sb Trojan-Banker.MSIL.Evital.gen Trojan-Spy.Stealer.TCP.C&C Trojan-Spy.Stealer.HTTP.C&C Trojan-PSW.Win32.Stealer.sb Trojan.Win32.Agent.sb HEUR:Exploit.MSIL.BypassUAC.c
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable Fody/Costura Packer Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.00 SOS: 0.19 SOS: 0.32 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Infostealer.Polazert
Status:
Malicious
First seen:
2026-02-07 15:21:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Browser Information Discovery
System Location Discovery: System Language Discovery
Looks up external IP address via web service
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
038da7941cb395df589983f3b09346694fe2a3a9e458a295ebfd5bd7c9fdb434
MD5 hash:
802aa7a4a57b22e797ebeb2b3b638527
SHA1 hash:
6179f1929d3b2cdeb9d453ef1ec5ce3c88521923
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:grakate_stealer_nov_2021
Rule name:INDICATOR_EXE_Packed_Fody
Author:ditekSHen
Description:Detects executables manipulated with Fody
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_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
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:telebot_framework
Author:vietdx.mb
Rule name:TelegramAPIMalware_PowerShell_EXE
Author:@polygonben
Description:Hunting for pwsh malware using Telegram for C2
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 038da7941cb395df589983f3b09346694fe2a3a9e458a295ebfd5bd7c9fdb434

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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