MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf2ef5b129882d9a508c72a6afefede8ca7de3db89e5b3754ca8c470e27122ba. 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: 14


Intelligence 14 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf2ef5b129882d9a508c72a6afefede8ca7de3db89e5b3754ca8c470e27122ba
SHA3-384 hash: 9a413aa35d471c56c8a071c074ca469d5ae95159a4570b8afbdacfeafca5cec615ad20f61f8fa8d5f022098a4b9e4c29
SHA1 hash: 3c0ef66005ee88b72d7ab4975ef4f3adae66d1db
MD5 hash: e87b16d29266eb90e39c320f3df88184
humanhash: seventeen-fourteen-charlie-hawaii
File name:Discord.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:2'286'080 bytes
First seen:2025-06-10 05:44:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:v+SWeWBRYRR1qJvHIPbcNE0KKSb7yviUSQaBaOwIRxl2S62/9+TNRxe7d87:Y7YReEwKKSb7L3wip6fC
TLSH T10BB59E2039EA7319F1B7DF7DD6F0B08A4E7EBD2266069649254133460E32643ED87D3A
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
dhash icon e8aa69d4d4cc8ee8 (7 x QuasarRAT, 4 x DCRat, 2 x OrcusRAT)
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
445
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Discord.exe
Verdict:
Malicious activity
Analysis date:
2025-06-10 06:11:56 UTC
Tags:
uac auto-sch crypto-regex
Link:
https://app.any.run/tasks/b8af6865-9d36-4970-8204-0a40d509ad4c

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/8196/
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Bulz-9933026-0
Create hunting rule

Win.Malware.Generic-6623004-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6847c67a8bd5d68a12e74ae6
Tags:
vmdetect autorun emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the system32 subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 hacktool obfuscated packed packed packer_detected quasarrat reconnaissance
Link:
https://www.filescan.io/uploads/6847c67bfd02ed5e05a10608/reports/009d64d3-987f-4ae0-bb98-d11761aaa860/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/bf2ef5b129882d9a508c72a6afefede8ca7de3db89e5b3754ca8c470e27122ba
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/06671415-3e05-40f1-95bb-fe90f670aa2e
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1710459
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops executables to the windows directory (C:\Windows) and starts them
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bf2ef5b129882d9a508c72a6afefede8ca7de3db89e5b3754ca8c470e27122ba
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf2ef5b129882d9a508c72a6afefede8ca7de3db89e5b3754ca8c470e27122ba/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-06-03 13:35:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
30 of 36 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x4xplmjjrawzuuemoktk737n5dfh3y63rhs3g5kmvdchbytrek5a._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
error
QuasarRAT
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/250610-gfe62shl5s/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in System32 directory
Executes dropped EXE
Verdict:
Malicious
Tags:
Win.Malware.Generic-9883083-0
YARA:
n/a
Link:
https://app.threat.zone/submission/d2a8b81f-2612-4ec6-b11e-d79876ee1e26
Unpacked files
SH256 hash:
bf2ef5b129882d9a508c72a6afefede8ca7de3db89e5b3754ca8c470e27122ba
MD5 hash:
e87b16d29266eb90e39c320f3df88184
SHA1 hash:
3c0ef66005ee88b72d7ab4975ef4f3adae66d1db
Link:
https://www.unpac.me/results/6f401664-9a71-41e6-ac8a-61080f1d33a4/
SH256 hash:
8305237f6e27115eda1523e66b2fcde2ac4bb24ea832bd53d60b46f6284465c6
MD5 hash:
97257814c8a06fe386c23a5b9e7a12b3
SHA1 hash:
608d3c9fff54236f282259fd5d2af42f564a86b2
Detections:
SUSP_NET_Large_Static_Array_In_Small_File_Jan24
Create hunting rule
HKTL_NET_GUID_Quasar
Create hunting rule
Link:
https://www.unpac.me/results/6f401664-9a71-41e6-ac8a-61080f1d33a4/
Parent samples :
2a6add589b534632a04d3c6eaec0c4a7d6b072bffbb84c0b800bb24ef2ad1ab0
2adbf68e583680bf9804404c43990adf4f011783f4f1cdddcc9afb67039a16a8
f879f50e21830b34b77fd94a33b6c395b9837bb701a7f5e4dad2e9d287af9e72
bf2ef5b129882d9a508c72a6afefede8ca7de3db89e5b3754ca8c470e27122ba
a1598314ea680183e6630630e06d6784173bbf32bd895eaf3882d585e22609cb
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bf2ef5b129882d9a508c72a6afefede8ca7de3db89e5b3754ca8c470e27122ba

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:Costura_Protobuf
Create hunting rule
Author:@bartblaze
Description:Identifies Costura and Protobuf in .NET assemblies, respectively for storing resources and (de)serialization. Seen together might indicate a suspect binary.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:Indicator_MiniDumpWriteDump
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

QuasarRAT

Executable exe bf2ef5b129882d9a508c72a6afefede8ca7de3db89e5b3754ca8c470e27122ba

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3559983/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3559997/
  
URLhaus
https://urlhaus.abuse.ch/url/3560015/
Cape
Cape
https://www.capesandbox.com/analysis/8196/

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments