MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2da636aa556256d9634ac820779f84cdac7f767f2a92be6e5424862d8fcffd85. 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: 17

Intelligence 17 IOCs YARA 28 File information Comments

SHA256 hash:	2da636aa556256d9634ac820779f84cdac7f767f2a92be6e5424862d8fcffd85
SHA3-384 hash:	cf7025438bcb6dae71bc946418eb9506930ece2c38f06192a5f12f2ab93b0027b5442fcf05648ecf1a08dc0545e82980
SHA1 hash:	ca55d23eb9d7fb149151131a0314a36a04bc2e8b
MD5 hash:	bfb0efffd02a877d464b2c3628fd719b
humanhash:	pip-hydrogen-potato-twenty
File name:	file
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	888'832 bytes
First seen:	2025-11-08 20:58:37 UTC
Last seen:	2025-11-08 20:59:13 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:nMen0tWfOzAYQyg7oZisqtksOtgg+WLyDrQ9/7WxdtbiLNg1OkG8aPKTkCEH:MDtWfOGyclOoWLuyWfaN+OaAKTkn
Threatray	277 similar samples on MalwareBazaar
TLSH	T1BD15CF5073E54207E1FF2BF9A4B606050B73B552E936D78F19C8A06D0EA3B91DE603A7
TrID	62.2% (.RLL) Microsoft Resource Library (x86) (177572/6/26) 25.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 3.6% (.EXE) Win64 Executable (generic) (10522/11/4) 2.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
Reporter	Bitsight
Tags:	dropped-by-amadey exe fbf543 QuasarRAT

Bitsight

url: http://178.16.54.200/files/6350135267/ytoejdS.exe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

_2da636aa556256d9634ac820779f84cdac7f767f2a92be6e5424862d8fcffd85.exe

Verdict:

Malicious activity

Analysis date:

2025-11-08 20:59:50 UTC

Tags:

auto-reg pulsar rat crypto-regex

Link:

https://app.any.run/tasks/0b14498a-188b-4f71-8402-4cc184b61afa

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/36585/

Detection(s):

Win.Malware.Generic-9883083-0

Win.Malware.Bulz-9933026-0

Win.Malware.Generic-6623004-0

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=690faf2230bacec888ca0020

Tags:

vmdetect quasar emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a file in the %AppData% subdirectories

Launching a process

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm anti-vm base64 cmd cscript evasive explorer fingerprint hacktool lolbin msbuild mshta obfuscated packed privilege quasarrat reconnaissance regasm regsvcs runonce schtasks stack_pickle update

Link:

https://www.filescan.io/uploads/690faf1b8938e2fe22171cf2/reports/7e0b7158-0762-4b0e-8b12-48f3916094a8/overview

Verdict:

Malicious

Labled as:

HackTool[VirTool]/MSIL.Aikaantivm

Link:

https://www.hybrid-analysis.com/sample/2da636aa556256d9634ac820779f84cdac7f767f2a92be6e5424862d8fcffd85

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-11-08T18:02:00Z UTC

Last seen:

2025-11-08T18:38:00Z UTC

Hits:

~10

Detections:

Trojan-Downloader.Agent.HTTP.C&C PDM:Trojan.Win32.Tasker.cust Trojan.MSIL.Quasar.fio Trojan.MSIL.Quasar.a HEUR:Trojan.Win32.Generic PDM:Trojan.Win32.Generic Trojan-PSW.MSIL.Agent.sb Trojan.MSIL.Agent.sb HEUR:Trojan-Banker.MSIL.ClipBanker.gen NetTool.PowerShellUA.HTTP.C&C NetTool.PowerShellPost.HTTP.C&C NetTool.PowerShellGet.HTTP.C&C

Link:

https://opentip.kaspersky.com/2da636aa556256d9634ac820779f84cdac7f767f2a92be6e5424862d8fcffd85/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/5c34a189-f3f4-4a80-98c6-bebc16434bf5

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/2da636aa556256d9634ac820779f84cdac7f767f2a92be6e5424862d8fcffd85

Verdict:

QuasarRat

YARA:

16 match(es)

Tags:

.Net Executable Fody/Costura Packer Html Malicious Managed .NET PDB Path PE (Portable Executable) PE File Layout QuasarRat RAT SOS: 0.14 SOS: 0.15 SOS: 0.17 SOS: 0.18 SOS: 0.23 SOS: 0.24 SOS: 0.25 SOS: 0.26 SOS: 0.63 Win 32 Exe x86

Link:

https://app.malva.re/file/bfb0efffd02a877d464b2c3628fd719b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2da636aa556256d9634ac820779f84cdac7f767f2a92be6e5424862d8fcffd85/

Verdict:

Malicious

Threat:

Family.QUASAR

Link:

https://tip.neiki.dev/file/2da636aa556256d9634ac820779f84cdac7f767f2a92be6e5424862d8fcffd85

Threat name:

Win32.Hacktool.Aikaantivm

Status:

Malicious

First seen:

2025-11-08 20:59:16 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

29 of 38 (76.32%)

Threat level:

1/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fwtdnksvmjlnsy2kzaqhph4ezwwh65t7fkjl43suesdc3d6p7wcq._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

2da636aa556256d9634ac820779f84cdac7f767f2a92be6e5424862d8fcffd85

QuasarRAT

4efe314b3ef2de0406754664e6fe12a3bd9c25965fcff10a76ca39dc4050212e

QuasarRAT

6a95f54230338584556d3dc370e1da5d4e326aab83c20413d446ab71a8f43d37

QuasarRAT

9614ef4ee182fb6ee147ba8ebad8e68679010e792b0fd4108127e28538791b74

QuasarRAT

d3ef0e594e1984dfb2a32349c2ca01cecc9de210b3cc4358516a5ee5046b42f7

QuasarRAT

error

QuasarRAT

feda854ecc1a6a8c56fb765c2964a5b2a9dbf1cff7ef9149b4e576d4a96e5269

QuasarRAT

+ 267 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar execution persistence spyware trojan

Link:

https://tria.ge/reports/251108-zstjbawjfk/

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

Executes dropped EXE

Quasar RAT

Quasar family

Quasar payload

Verdict:

Malicious

Tags:

red_team_tool rat quasar_rat backdoor backnet Win.Malware.Generic-9883083-0

YARA:

HKTL_EXE_AlKhaser_Jul_01 MAL_QuasarRAT_May19_1 malware_windows_quasarrat MAL_BackNet_Nov18_1

Link:

https://app.threat.zone/submission/0745dccf-164b-4cd5-95c8-559a1ffeb856

Unpacked files

SH256 hash:

036bd06b4a2fe391dbb1e545a1937d43d9f2164cce36e5c14a4457bb490342b9

MD5 hash:

48ae0387cdeee343bcedf61e4374902b

SHA1 hash:

3dbe9392e3bf6914b71e2cc987b4fb6b34e376f0

Detections:

SUSP_NET_Large_Static_Array_In_Small_File_Jan24

HKTL_NET_GUID_Quasar

Link:

https://www.unpac.me/results/2c2609a0-e2a9-4dea-8490-4be73ff05a03/

SH256 hash:

2da636aa556256d9634ac820779f84cdac7f767f2a92be6e5424862d8fcffd85

MD5 hash:

bfb0efffd02a877d464b2c3628fd719b

SHA1 hash:

ca55d23eb9d7fb149151131a0314a36a04bc2e8b

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/2c2609a0-e2a9-4dea-8490-4be73ff05a03/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/2da636aa5562/report/overview.html

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:	Check_Dlls Create hunting rule

Rule name:	Check_VBox_Guest_Additions Create hunting rule

Rule name:	Check_VmTools Create hunting rule

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

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:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

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:	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	MAL_BackNet_Nov18_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects BackNet samples
Reference:	https://github.com/valsov/BackNet

Rule name:	MAL_BackNet_Nov18_1_RID2D6D Create hunting rule
Author:	Florian Roth
Description:	Detects BackNet samples
Reference:	https://github.com/valsov/BackNet

Rule name:	MAL_QuasarRAT_May19_1 Create hunting rule
Description:	Detects QuasarRAT malware

Rule name:	MAL_QuasarRAT_May19_1 Create hunting rule
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 Create hunting rule
Author:	Florian Roth
Description:	Detects QuasarRAT malware
Reference:	https://blog.ensilo.com/uncovering-new-activity-by-apt10

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

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)