MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87b20e76db5354fc0b41bc62d6a97c795075b941f4b27228a3ac1c3fbd538912. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87b20e76db5354fc0b41bc62d6a97c795075b941f4b27228a3ac1c3fbd538912
SHA3-384 hash: d55edb63edfb07dc38190354c6f908d1b2b29018ca722f4013b9c2d3d02b7e2abebc7437d090d5fc9167787fe09302d2
SHA1 hash: e202f40bd0a8b869df371aac947b745b895bbbeb
MD5 hash: 982549dd5415449dde5d83f4f9dd5cd9
humanhash: july-video-september-happy
File name:lHqbhMr.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'661'824 bytes
First seen:2025-06-18 06:22:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 560b325af86221ca0e2edab33d472094 (6 x LummaStealer, 3 x Vidar, 2 x Stealc)
ssdeep 98304:XY+L4onxYRPFdG+8YfNREJvBuonxYRPFdG+8YfNREJvB:XY+L7xYc+8YfcnxYc+8Yfc
TLSH T10E0622A8D25663E9EE2A80B945515211B53275A6C638BFFF02D0E7731E13BC12F7E324
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
430
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
b608757659de99022afcba9cf7e87eeac74160fdc2b9b8cff56140d63c24a6b1.bin
Verdict:
Malicious activity
Analysis date:
2025-06-17 19:13:17 UTC
Tags:
lumma stealer themida loader amadey botnet rdp telegram stealc vidar arch-exec gcleaner auto autoit
Link:
https://app.any.run/tasks/c6bf5db8-3e89-498d-b580-99e95c51962d

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/9946/
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.32679.22684.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
BSOD occurred
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/87b20e76db5354fc0b41bc62d6a97c795075b941f4b27228a3ac1c3fbd538912
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/cb3766ed-473e-4eef-9c5a-b2b63cd1ca31
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1717118
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/87b20e76db5354fc0b41bc62d6a97c795075b941f4b27228a3ac1c3fbd538912
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Link:
https://app.malva.re/file/982549dd5415449dde5d83f4f9dd5cd9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87b20e76db5354fc0b41bc62d6a97c795075b941f4b27228a3ac1c3fbd538912/
Threat name:
Win64.Trojan.LummaStealer
Create hunting rule
Status:
Malicious
First seen:
2025-06-18 06:23:37 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6za45w3knkpyc2bxrrnnkl4pfihlokb6szhekfdvqod7pktreja._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250618-g5zlzsx1cw/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Checks for VirtualBox DLLs, possible anti-VM trick
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2e254833-48a3-4c1d-9921-dd55f80265dd
Unpacked files
SH256 hash:
87b20e76db5354fc0b41bc62d6a97c795075b941f4b27228a3ac1c3fbd538912
MD5 hash:
982549dd5415449dde5d83f4f9dd5cd9
SHA1 hash:
e202f40bd0a8b869df371aac947b745b895bbbeb
Link:
https://www.unpac.me/results/6391c1a3-0b5e-42a2-9eb6-f51edd3908ee/
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/87b20e76db5354fc0b41bc62d6a97c795075b941f4b27228a3ac1c3fbd538912

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

QuasarRAT

Executable exe 87b20e76db5354fc0b41bc62d6a97c795075b941f4b27228a3ac1c3fbd538912

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3562912/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/9946/

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