MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b7be09c491e55dc424bbf7f3281b467d7e26d918263d925bb4b624fc25ff616. 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: 15

Intelligence 15 IOCs YARA 25 File information Comments

SHA256 hash:	9b7be09c491e55dc424bbf7f3281b467d7e26d918263d925bb4b624fc25ff616
SHA3-384 hash:	e80845d19b3f7f9c686faca15dbfcd76adfe8278146742562288578ad648ab84e9ab58acbd0907f880453293f3140cce
SHA1 hash:	13e706c7e4c988af6fee914f3305554e03e15297
MD5 hash:	e9663cf5baaadb32df8e5ba9f2059799
humanhash:	fanta-oven-steak-nuts
File name:	built.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	1'951'232 bytes
First seen:	2025-07-17 13:33:49 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	49152:0H+9c7wRPirm2NnPTKKm77LrwCB6uanx+:0H+9roZNn2Km77LrwkFW
Threatray	121 similar samples on MalwareBazaar
TLSH	T17695F111B3F68206F2BF5BB9A97354550B77BA03DA3AC35E098CA05D0FA37419E513A3
TrID	58.8% (.RLL) Microsoft Resource Library (x86) (177572/6/26) 24.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 5.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 3.4% (.EXE) Win64 Executable (generic) (10522/11/4) 2.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika	pebin
Reporter	skocherhan
Tags:	exe github-AnnaliseHackett QuasarRAT

skocherhan

https://github.com/AnnaliseHackett/Fix/raw/refs/heads/main/built.exe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

built.exe

Verdict:

Malicious activity

Analysis date:

2025-07-17 13:35:43 UTC

Tags:

auto-reg crypto-regex

Link:

https://app.any.run/tasks/b91186f3-95d9-4c1e-a2de-7ec901201754

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/15039/

Detection(s):

Win.Malware.Generic-9883083-0

Win.Malware.Bulz-9933026-0

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL

Win.Malware.Generic-6623004-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6878fbe22f623871a5ef308c

Tags:

vmdetect quasar emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a file in the %AppData% directory

Launching a process

Sending a custom TCP request

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm anti-vm base64 cmd explorer fingerprint hacktool lolbin packed privilege reconnaissance runonce update

Link:

https://www.filescan.io/uploads/6878fbe119132d984881f8e0/reports/a0998504-adca-45b5-afbd-6dc3a2fa0c43/overview

Verdict:

Malicious

Labled as:

IL:Trojan.MSILZilla

Link:

https://www.hybrid-analysis.com/sample/9b7be09c491e55dc424bbf7f3281b467d7e26d918263d925bb4b624fc25ff616

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/68d7eb18-66ca-4938-97fa-da13d8bbf996

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/9b7be09c491e55dc424bbf7f3281b467d7e26d918263d925bb4b624fc25ff616

Verdict:

QuasarRat

YARA:

13 match(es)

Tags:

.Net Executable Fody/Costura Packer Html Malicious PDB Path PE (Portable Executable) QuasarRat RAT SOS: 0.00 SOS: 0.01 SOS: 0.02 SOS: 0.03 SOS: 0.04 SOS: 0.06 SOS: 0.07 SOS: 0.13 SOS: 0.39 Win 32 Exe x86

Link:

https://app.malva.re/file/e9663cf5baaadb32df8e5ba9f2059799

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/9b7be09c491e55dc424bbf7f3281b467d7e26d918263d925bb4b624fc25ff616/

Threat name:

ByteCode-MSIL.Hacktool.Aikaantivm

Status:

Malicious

First seen:

2025-07-17 13:34:25 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

1/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=tn56bhcjdzk5yqslx57tfanum7l6e3mrqjr5sjn3jnre7qs76yla._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

2d8821983c48f3fb813804c6ff14ed75253b272aff98eb01c4070d4067e09fac

QuasarRAT

8cb4dc684a331c5879421bb33f9934bbd3198dc28af448968eb2e4f61d35cfb4

QuasarRAT

96e304563b32ec8a6de1d8b990164db92a1191ba13725384bc2e32b54b5633f1

QuasarRAT

9b7be09c491e55dc424bbf7f3281b467d7e26d918263d925bb4b624fc25ff616

QuasarRAT

eb44235f9a832b597ad6dcd37b84c39e7727aac78b073a4d944ac5e2c577ad09

QuasarRAT

error

QuasarRAT

f5d430752d9416ce32926f034494543a8068fafd004f292e0006748a6825910a

QuasarRAT

+ 111 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:client execution persistence spyware trojan

Link:

https://tria.ge/reports/250717-qt931syp15/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Executes dropped EXE

Quasar payload

Quasar RAT

Quasar family

Malware Config

C2 Extraction:

kieixiiXI-25193.portmap.io:25193

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/bfce89c3-e51e-4e6c-9fa1-6dc3c5d9562b

Unpacked files

SH256 hash:

9b7be09c491e55dc424bbf7f3281b467d7e26d918263d925bb4b624fc25ff616

MD5 hash:

e9663cf5baaadb32df8e5ba9f2059799

SHA1 hash:

13e706c7e4c988af6fee914f3305554e03e15297

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/1cdacbc7-a6f3-4618-b140-871c086e3fae/

SH256 hash:

c1046a94e4042f0a622670cd6a01ca235609732d8ef68889e87fc947d754c5f5

MD5 hash:

8f786e161e0925e8a7c5602f64fff988

SHA1 hash:

4f90a7c051bb4a8e95a43916a4e979b1daadfffa

Detections:

SUSP_NET_Large_Static_Array_In_Small_File_Jan24

HKTL_NET_GUID_Quasar

Link:

https://www.unpac.me/results/1cdacbc7-a6f3-4618-b140-871c086e3fae/

Parent samples :

0065d42e62b532221d6ec96913cdedd45d3e84b1d50076b478a5d0a22608b536
c7cfa4eb2cce54eae7d5af7025931c424e48c3dd28dcdb76399e4ab23a4c1f6e
9b7be09c491e55dc424bbf7f3281b467d7e26d918263d925bb4b624fc25ff616
8ca07bac80251aac5bae7418c53144e723c1750d400faaac1678c55457f0f64a
565ba37db962f10ea77fab2be20b5d65672a72c7bbda35cf5538a236a3f63337
7645e0b22c7ea622d164b55b3449831e99bcf4de66c31ac0afaa877cef03248e
ddfffb912ac59f774d452516e5834d9e0175db9608e91eba45379a78b3c53fa9
71d675e36d237be76f9141742350f8b2d94d8cefa2b9b3b62622703193c15414
544f187d0b620cb18a494ea3ec51472e504eac944ef59dc4b5de1c60a9d5800e
e2c14df722dfbb0c3a8c4228034f37ba6395babc29ad2aa9f4a175f37a839831

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/9b7be09c491e55dc424bbf7f3281b467d7e26d918263d925bb4b624fc25ff616

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:	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:	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
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 Create hunting rule
Description:	Detects QuasarRAT malware

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:	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/15039/

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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