MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0e9cf144db889d734e8cd7bf4a7fe7fbfce2b0e4a1811e28529b8fef441bfef8. 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: 19

Intelligence 19 IOCs YARA 33 File information Comments 1

SHA256 hash:	0e9cf144db889d734e8cd7bf4a7fe7fbfce2b0e4a1811e28529b8fef441bfef8
SHA3-384 hash:	18cd885540069cdf04bfdb2f15e72b63a879050260753c951897a61e014cbf6a1f6aa937a34b70bb28c05f1df3e261a4
SHA1 hash:	bd0e8c22c8bc30d653552d79860948302bf6d964
MD5 hash:	4ae0072b64d5fd0d3487aa9471170c88
humanhash:	nevada-march-helium-virginia
File name:	Client.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	356'352 bytes
First seen:	2024-11-27 11:01:05 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'855 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep	6144:mrNHXf500MvKRH2aWx3bp91O+mCWYOvNlRkiyZK:wd50gRSj1jEYOvtkiwK
TLSH	T1D9747C1377E8EA3BD1FE173AE43246055BB0D487B616E39B9A5855F82C133868D903B3
TrID	40.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 31.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 9.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 5.7% (.EXE) Win64 Executable (generic) (10522/11/4) 3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika	pebin
Reporter	lontze7
Tags:	exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

426

Origin country :

Vendor Threat Intelligence

Malware family:

quasar

ID:

File name:

Client.rar

Verdict:

Malicious activity

Analysis date:

2024-11-27 11:04:39 UTC

Tags:

arch-exec evasion rat quasar remote

Link:

https://app.any.run/tasks/e3246e78-3d1e-4108-8441-13eba7e21d1e

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

Win.Packed.Generic-9829635-0

Win.Trojan.Generic-9829636-0

Win.Packed.Generic-9830106-0

Win.Packed.QuasarRAT-10012744-0

Win.Trojan.Generic-6295765-0

Win.Malware.Generic-6623004-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6746fc2bd0583382434b7033

Tags:

dropper quasar keylog remo

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET request

Setting a keyboard event handler

Creating a file in the %AppData% subdirectories

Creating a window

Sending a custom TCP request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm crypto fingerprint hook infostealer keylogger lolbin obfuscated quasar quasarrat rat runonce schtasks stealer stealer vbnet vermin xrat

Link:

https://www.filescan.io/uploads/6746fc2aa04b35947e72b4b1/reports/3d04b3b5-5891-4e8f-975e-5ade88ea318f/overview

Verdict:

Malicious

Labled as:

MSIL.PasswordStealerA.Generic

Link:

https://www.hybrid-analysis.com/sample/0e9cf144db889d734e8cd7bf4a7fe7fbfce2b0e4a1811e28529b8fef441bfef8

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/75596410-0cbd-4aeb-95e2-227b8f3a3d22

Result

Threat name:

Quasar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1563733

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Detected Quasar RAT

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Installs a global keyboard hook

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

Yara detected Generic Downloader

Yara detected Quasar RAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/0e9cf144db889d734e8cd7bf4a7fe7fbfce2b0e4a1811e28529b8fef441bfef8

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/0e9cf144db889d734e8cd7bf4a7fe7fbfce2b0e4a1811e28529b8fef441bfef8/

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2024-11-27 09:46:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

31 of 38 (81.58%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=b2opcrg3rcoxgtum267uu77h7p6ofmheugar4kcstoh66ra3734a._file

Verdict:

malicious

Label(s):

venomrat

Similar samples:

error

QuasarRAT

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:office04 discovery spyware trojan

Link:

https://tria.ge/reports/241127-m44r7s1kat/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

System Location Discovery: System Language Discovery

Looks up external IP address via web service

Quasar RAT

Quasar family

Quasar payload

Malware Config

C2 Extraction:

51.79.176.188:4782

Verdict:

Malicious

Tags:

rat quasar_rat Qasar_Rat VoidRat External_IP_Lookup AZORult vermin vermin Win.Packed.Generic-9829635-0

YARA:

malware_windows_quasarrat malware_Quasar_strings win_quasar_rat_client MALWARE_Win_QuasarRAT JPCERTCC_Quasar Quasar_RAT_1 MAL_QuasarRAT_May19_1

Link:

https://app.threat.zone/submission/5429dac3-b8d1-4590-a79c-b7dc92406c07

Unpacked files

SH256 hash:

0e9cf144db889d734e8cd7bf4a7fe7fbfce2b0e4a1811e28529b8fef441bfef8

MD5 hash:

4ae0072b64d5fd0d3487aa9471170c88

SHA1 hash:

bd0e8c22c8bc30d653552d79860948302bf6d964

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/f4f93f66-05f2-4fff-a5e1-8ac5e16cb5c6/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/0e9cf144db88/report/overview.html

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/0e9cf144db889d734e8cd7bf4a7fe7fbfce2b0e4a1811e28529b8fef441bfef8

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:	CN_disclosed_20180208_KeyLogger_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects malware from disclosed CN malware set
Reference:	https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details

Rule name:	CN_disclosed_20180208_KeyLogger_1_RID3227 Create hunting rule
Author:	Florian Roth
Description:	Detects malware from disclosed CN malware set
Reference:	https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details

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

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

Rule name:	INDICATOR_SUSPICIOUS_GENInfoStealer Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing common artifacts observed in infostealers

Rule name:	malware_Quasar_strings Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect QuasarRAT in memory

Rule name:	MALWARE_Win_QuasarRAT Create hunting rule
Author:	ditekSHen
Description:	QuasarRAT payload

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:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	Quasar Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect QuasarRAT in memory

Rule name:	quasarrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	Quasar_RAT_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Quasar RAT
Reference:	https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf

Rule name:	Quasar_RAT_1 Create hunting rule
Author:	@SOCRadar
Description:	Detects Quasar RAT

Rule name:	Quasar_RAT_1_RID2B54 Create hunting rule
Author:	Florian Roth
Description:	Detects Quasar RAT
Reference:	https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf

Rule name:	Quasar_RAT_2 Create hunting rule
Description:	Detects Quasar RAT

Rule name:	Quasar_RAT_2 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Quasar RAT
Reference:	https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf

Rule name:	Quasar_RAT_2_RID2B55 Create hunting rule
Author:	Florian Roth
Description:	Detects Quasar RAT
Reference:	https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf

Rule name:	RansomPyShield_Antiransomware Create hunting rule
Author:	XiAnzheng
Description:	Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Vermin_Keylogger_Jan18_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Vermin Keylogger
Reference:	https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/

Rule name:	Windows_Trojan_Quasarrat_e52df647 Create hunting rule
Author:	Elastic Security

Rule name:	win_quasar_rat_client Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in Quasar Rat Samples.

Rule name:	xRAT_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Patchwork malware
Reference:	https://goo.gl/Pg3P4W

Rule name:	xRAT_1_RID2900 Create hunting rule
Author:	Florian Roth
Description:	Detects Patchwork malware
Reference:	https://goo.gl/Pg3P4W

File information

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

Web download

QuasarRAT

exe 0e9cf144db889d734e8cd7bf4a7fe7fbfce2b0e4a1811e28529b8fef441bfef8

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3308369/

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 (HIGH_ENTROPY_VA)	high

Comments

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commented on 2024-11-27 11:05:46 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "0e9cf144db889d734e8cd7bf4a7fe7fbfce2b0e4a1811e28529b8fef441bfef8",
"yara_possible_family": "quasarrat",
"key": "bcad72a3a2aa7446e5286839fa0eb2e2",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"\u21a7\u3d11\ub419\u1bf6\u72ed\u9e03\uc292\u45b5\uca83\u9a6c\u240e\ub6a2\ud5af\u7de2\ua85d\ua128\u5a64\u8bed\uf201\u2f2e": false,
"\u6896\uc864\uafce\u95dd\u8fa8\u7312\u09f5\u7ec5\ucb2a\u391f\ufdb3\u819e\u2c17\u2143\uc7bc\ufffd\ued35\u6fd3\ua4b9\u2df3": false,
"\u2905\u3473\ud13f\ueebc\uf840\u3b80\ue712\ub408\u36a7\u3eaf\uce7e\uce8a\u6541\ub3d8\ub64e\u8d45\u5477\u361a\u9c68\ub272": false,
"\u4ddf\u4c01\ucb32\ufbfe\u106f\u4a77\u3de3\u199b\ud189\ua3d7\u4fd3\u47fa\ua73a\u1186\ud0eb\ud5cf\ud6b5\ufffd\u4c41\u3e09": true,
"\u37b3\u4afa\uc207\u5a69\u99f0\uaab1\u34e8\u4281\uf6d0\u2898\u47e8\u1bf5\u8ffa\u8048\u93d5\ubb3b\uc499\uf9b1\u7f55\u8355": true,
"\u01e5\u536a\uccd9\u6a95\uef86\ue67d\ue39d\uceaa\ub052\u1da7\u5a06\u0b50\u1ca9\u93ca\u6180\ua912\ufffd\u09b8\u3162\u7bea": false,
"\u78b1\u6dd7\u7d30\u140b\u8727\ueed4\u890d\u7b3f\u7591\u0ae2\u2833\ufe2c\u6278\u58fb\ub50d\u9cf2\u5e1a\u2605\u550d\u7cdd": 3000,
"\u3e8f\ufdb3\ua429\uc38b\u7bc9\ue0c7\ud2b9\u8137\ubd5e\u9143\ufffd\u399f\ucf2e\u7ccf\u5191\ufb96\u6a09\uc52a\ud6df\u0826": "APPLICATIONDATA",
"\u9d1a\u55d6\ub6fe\u938d\u3f02\ubba7\uc719\u6208\u9385\ubcee\ud577\u304c\ucd6a\u026c\u1e78\ufa03\u0c6d\u5821\uc595\u0b2f": "1.3.0.0",
"\uf4fd\u2f33\u94cc\u9556\u1011\u297a\u3f9c\u3261\uf3c7\uae35\u8617\u5cc6\u339f\uc189\uf1fb\u1a39\u5835\u3213\u5a01\ua9f3": "51.79.176.188:4782;",
"\u52e7\u2a8e\u4d2f\ubc35\u4538\u32ee\ucc8f\ued58\ubf54\ufb30\ua4c5\uc4b3\uc20f\u2df6\ub152\u4d72\u6d21\u4df0\u68c1\u2fe1": "1WvgEMPjdwfqIMeM9MclyQ==",
"\u8f50\u2858\u56dc\u2b26\u5997\u7f26\ud33a\u5418\u73b7\u9f2b\u6570\u11d1\u781c\uc814\ufe8c\u7476\u172a\ufffd\uc389\u1bd3": "NcFtjbDOcsw7Evd3coMC0y4koy/SRZGydhNmno81ZOWOvdfg7sv0Cj5ad2ROUfX4QMscAIjYJdjrrs41+qcQwg==",
"\u1f7b\u86dd\u01ee\u1220\u5ee5\ud4d1\uf893\uf97c\ufa13\u7974\u2a93\u4317\u074d\u8cba\ub4ad\ud708\u7cb9\uabcc\uf923\u67bc": "SubDir",
"\u6810\u72f2\u4c24\uca89\ud04f\u5bc4\u0321\uecce\ucd50\u37b1\ua5fb\ue93e\ubd27\ucf02\u9dbe\u8b2a\u4ab6\uf18e\u8643\u0e3d": "Client.exe",
"\u94db\u7987\u47a7\u2de0\u1b09\u591b\u1666\u6b27\ud4d0\u030e\u455b\u9bd8\u1cd2\uac34\u1088\u1e0e\u393d\u5a4e\uca89\ua9b3": "QSR_MUTEX_VpymbOpr3PCDDO1MrF",
"\uf078\ua6ee\uff77\u0ae3\u15bc\u842a\u66b3\u58f7\u3cda\u77da\ue0b6\u305e\ufffd\u8cc3\u8648\u4a9a\u8cb4\u67fc\u9d86\ufffd": "Quasar Client Startup",
"\ua9e4\u64f4\u69a5\u6ed2\ufffd\u275f\u2c4c\ud011\u73ed\u4205\u5ecc\ua45e\u151f\u0a45\u921e\ufd17\u6e8d\u1636\ud1fe\u0f8f": "UHc26cHDYhemjvStOeoP",
"\uf729\u941d\u693c\u0220\u9480\u0f1a\u0317\u362c\u0f46\u8790\u1772\u4f19\ub396\ub1ff\ub929\uab66\u8cec\u5fb0\u1c2a\u3a3d": "Office04",
"\u5756\u2752\uc602\u02cf\u4d56\u2ccf\u3b7e\u73a0\u8cff\ubb32\ue655\u45e5\u4714\ufffd\u4c42\u2f14\u67e4\u58a1\u125d\u6495": "Logs"
}
}