MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d03be21d0c49543ee62eba89a309876106e3794ec3fe15fe84a6d75328f9c4b0. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments

SHA256 hash: d03be21d0c49543ee62eba89a309876106e3794ec3fe15fe84a6d75328f9c4b0
SHA3-384 hash: b4d688e953e63f48cda321cdb7bc30c5f7a00e8544904916a4d83eae26c231781da8680b70249b9181738bb0ebfec7c6
SHA1 hash: 83999a642845bc885771e2ab974713ecbee7c233
MD5 hash: 6d77ec3e4288e80ea926a7b4901ee92b
humanhash: eight-quiet-alpha-alaska
File name:file
Download: download sample
Signature QuasarRAT
File size:4'532'736 bytes
First seen:2026-01-08 19:03:41 UTC
Last seen:2026-01-09 13:18:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 646167cce332c1c252cdcb1839e0cf48 (8'473 x RedLineStealer, 4'851 x Amadey, 290 x Smoke Loader)
ssdeep 98304:YaZ/wiOxunXnj1tOS1sC/4Ikovae3vtKSTOEuPDbF:r3nXnjHOC/BkYFOEYDbF
TLSH T11C263386E7CAC457E4BA9B3545B59EC3843A7CB62D34932F8184E5CE1D32305BE7036A
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10522/11/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543 QuasarRAT


Avatar
Bitsight
url: http://130.12.180.43/files/6075866260/eHBuoD4.exe

Intelligence


File Origin
# of uploads :
14
# of downloads :
142
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2026-01-08 19:05:16 UTC
Tags:
autoit auto-sch auto-startup pastebin evasion github stealer loader pulsar rat crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Launching a process
Creating a process with a hidden window
Running batch commands
Launching cmd.exe command interpreter
Creating a process from a recently created file
Sending a custom TCP request
Сreating synchronization primitives
Creating a file
DNS request
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm CAB explorer installer installer installer-heuristic lolbin microsoft_visual_cc packed rundll32 runonce sc sfx
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-08T16:12:00Z UTC
Last seen:
2026-01-10T12:48:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.Agent.sb Trojan-Dropper.Win32.Agent.sb Backdoor.Win32.Agent.myxcnx Backdoor.Agent.UDP.C&C
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
AutoIt CAB:COMPRESSION:LZX Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.Egairtigado
Status:
Malicious
First seen:
2026-01-08 19:04:26 UTC
File Type:
PE (Exe)
Extracted files:
61
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:chromelevator family:quasar botnet:shadow discovery execution hacktool persistence privilege_escalation spyware stealer trojan
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Wi-Fi Discovery
Launches sc.exe
Adds Run key to start application
Contacts third-party web service commonly abused for C2
Deletes itself
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
Downloads MZ/PE file
ChromElevator
Chromelevator family
Contains code to disable Windows Defender
Detects ChromElevator
Quasar RAT
Quasar family
Quasar payload
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
https://pastebin.com/raw/TUYitGBA
Unpacked files
SH256 hash:
d03be21d0c49543ee62eba89a309876106e3794ec3fe15fe84a6d75328f9c4b0
MD5 hash:
6d77ec3e4288e80ea926a7b4901ee92b
SHA1 hash:
83999a642845bc885771e2ab974713ecbee7c233
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:detect_Redline_Stealer
Author:Varp0s

File information


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

Web download

QuasarRAT

Executable exe d03be21d0c49543ee62eba89a309876106e3794ec3fe15fe84a6d75328f9c4b0

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

Comments