MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d6903a6ab9162953059630ba9ea059da90b199e9c9c11a3fa5d8ae9b777c508. 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 17 File information Comments

SHA256 hash:	2d6903a6ab9162953059630ba9ea059da90b199e9c9c11a3fa5d8ae9b777c508
SHA3-384 hash:	c76851ff0279ba1b4002d097fab43fb3790e0825e3e12d181519a21ab1dd819a7628534fc6fc80417172c46cf168b853
SHA1 hash:	6898e090a99cec1f9ab5c6617229e967e3982d9a
MD5 hash:	2acc4ba13922a329e5b8f37658c61241
humanhash:	connecticut-ten-nebraska-sixteen
File name:	svhost.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	2'280'960 bytes
First seen:	2025-07-31 20:02:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep	24576:Zp4+J4FhyVAsS2eWBRfRREJtV0m8yXP8oc5RGNntql0KK8U7yviUVQacaOwIUylK:yA7fRbirmGNn4+KK8U7Lbwa+bXaC8
Threatray	68 similar samples on MalwareBazaar
TLSH	T152B5BF2439EA901AF1B7AF75DBD074DB9E6EF2237706964D149103860E23A41EDC723E
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
Reporter	AntiSkidding
Tags:	exe Quasar QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

svhost.exe

Verdict:

Malicious activity

Analysis date:

2025-07-31 19:51:15 UTC

Tags:

uac

Link:

https://app.any.run/tasks/5b1303d6-21f5-491a-99ff-e452bf59425a

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/18176/

Detection(s):

Win.Malware.Generic-9883083-0

Win.Malware.Bulz-9933026-0

Win.Malware.Generic-6623004-0

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=688bcbcdaf3050dc8d32de77

Tags:

emotet quasar

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Setting a keyboard event handler

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm base64 hacktool obfuscated packed privilege reconnaissance

Link:

https://www.filescan.io/uploads/688bcbcf32e610908689452f/reports/c9ead877-eac9-4de2-89c4-80ed66383fd8/overview

Verdict:

Malicious

Labled as:

IL:Trojan.MSILZilla

Link:

https://www.hybrid-analysis.com/sample/2d6903a6ab9162953059630ba9ea059da90b199e9c9c11a3fa5d8ae9b777c508

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/a1c27a1e-c2bd-4d8f-ab00-5619d646c4dd

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/2d6903a6ab9162953059630ba9ea059da90b199e9c9c11a3fa5d8ae9b777c508

Verdict:

inconclusive

YARA:

11 match(es)

Tags:

.Net Executable Fody/Costura Packer PDB Path PE (Portable Executable) SOS: 0.14 SOS: 0.15 SOS: 0.18 SOS: 0.19 SOS: 0.20 SOS: 0.22 SOS: 0.23 SOS: 0.24 SOS: 0.25 SOS: 0.26 SOS: 0.27 SOS: 0.29 SOS: 0.32 SOS: 0.34 SOS: 0.35 SOS: 0.61 Win 32 Exe x86

Link:

https://app.malva.re/file/2acc4ba13922a329e5b8f37658c61241

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2d6903a6ab9162953059630ba9ea059da90b199e9c9c11a3fa5d8ae9b777c508/

Verdict:

Malicious

Threat:

HEUR:Trojan.MSIL.Quasar

Link:

https://tip.neiki.dev/file/2d6903a6ab9162953059630ba9ea059da90b199e9c9c11a3fa5d8ae9b777c508

Threat name:

Win32.Trojan.Egairtigado

Status:

Malicious

First seen:

2025-07-31 20:03:17 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fvuqhjvlsfrjkmczmmf2t2qftwuqwgm6tsobdi72lwfotn3xyuea._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

2d6903a6ab9162953059630ba9ea059da90b199e9c9c11a3fa5d8ae9b777c508

QuasarRAT

6ce2462286dc687b1ccab7592a3a68c0504b2639e28cfb8a849e0cd12763fea0

QuasarRAT

7607946bbdeb75cfa95d20ad272299405c86df13f17426fca36e4dfa6264d252

QuasarRAT

9019276cf50b5e8397a04c81e75faf35308f2dd7b480db9a060e1c50e66678f2

QuasarRAT

bf8af2f1ae9d243e207e34fffd7aefc629645d729fa4a4e76f93535fa036d92e

QuasarRAT

c7cfa4eb2cce54eae7d5af7025931c424e48c3dd28dcdb76399e4ab23a4c1f6e

QuasarRAT

error

QuasarRAT

+ 58 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

5/10

Tags:

n/a

Link:

https://tria.ge/reports/250731-yssrcayxav/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of NtSetInformationThreadHideFromDebugger

Verdict:

Malicious

Tags:

Win.Malware.Generic-9883083-0

YARA:

n/a

Link:

https://app.threat.zone/submission/57528fcd-9e8c-4bc6-aaac-013c59e77ff1

Unpacked files

SH256 hash:

2d6903a6ab9162953059630ba9ea059da90b199e9c9c11a3fa5d8ae9b777c508

MD5 hash:

2acc4ba13922a329e5b8f37658c61241

SHA1 hash:

6898e090a99cec1f9ab5c6617229e967e3982d9a

Link:

https://www.unpac.me/results/aa13d4ac-3a5a-45c5-8836-4b0db3f34ceb/

SH256 hash:

c9736bed57d137a0bd4a454a70436020312db5a365bdd243037e766695c18ccd

MD5 hash:

41b34eab1585d5381c56730b93dd1310

SHA1 hash:

510b640517342dbcc40c81b63db23fa1444a71ed

Link:

https://www.unpac.me/results/aa13d4ac-3a5a-45c5-8836-4b0db3f34ceb/

SH256 hash:

e54b3f90f18efaba3b4e714533d5e1f0aaf2f656b9166d6498e15b659cc41b8c

MD5 hash:

4a3c2b2b73407e79a9ebc6caece6c144

SHA1 hash:

70f64ab70fdc0c484da6f914d2742115c7a97141

Detections:

SUSP_NET_Large_Static_Array_In_Small_File_Jan24

HKTL_NET_GUID_Quasar

Link:

https://www.unpac.me/results/aa13d4ac-3a5a-45c5-8836-4b0db3f34ceb/

Parent samples :
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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/2d6903a6ab9162953059630ba9ea059da90b199e9c9c11a3fa5d8ae9b777c508

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:	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:	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)

File information

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

Cape

https://www.capesandbox.com/analysis/18176/

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

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