MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4cd074c486e0c4cdedbc4fb8f94c97db5eaf4e56f027421d8922e0b02f3ef18. 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 9 File information Comments

SHA256 hash:	c4cd074c486e0c4cdedbc4fb8f94c97db5eaf4e56f027421d8922e0b02f3ef18
SHA3-384 hash:	13719297fe9fa0b13374707759ee02d3f82c55287555d69f932bb737a9ff6475fd06c4ebfb2860d062e31c3b2df4673c
SHA1 hash:	5a6886ff0dae0710ced3ea06587d058fa0090ab1
MD5 hash:	90e6a6cb38ff2a0b219f1caf29b5c4a2
humanhash:	ceiling-muppet-lamp-jersey
File name:	aaaaa.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	514'048 bytes
First seen:	2023-06-19 16:42:11 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	6144:pTEgdc0YuXAGbgiIN2RSBpylcdGAF7JXVwvUTcEf3b8F9KCE9RwQEcTR3K:pTEgdfYsbgQcT1v02R0cdK
Threatray	336 similar samples on MalwareBazaar
TLSH	T195B46B4027FC8A1BE2AE57BAE87154205BF5E417B267EB8F4548B1FD2C667028E40773
TrID	53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 9.5% (.SCR) Windows screen saver (13097/50/3) 7.6% (.EXE) Win64 Executable (generic) (10523/12/4) 4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter	ULTRAFRAUD
Tags:	exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

301

Origin country :

Vendor Threat Intelligence

Malware family:

quasar

ID:

File name:

aaaaa.exe

Verdict:

Malicious activity

Analysis date:

2023-06-19 16:43:44 UTC

Tags:

rat quasar trojan asyncrat

Link:

https://app.any.run/tasks/223dbe59-0fbd-4e98-87ad-1ef1f0fa94da

Note:

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

Detection:

QuasarStealer

Link:

https://www.capesandbox.com/analysis/400610/

Detection(s):

Win.Malware.Bulz-9823462-0

Win.Malware.Generic-9883082-0

Win.Malware.Generic-9883083-0

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL

Win.Packed.Downeks-6898097-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

Setting a keyboard event handler

DNS request

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm infostealer keylogger lolbin lolbin packed quasarrat rat shell32.dll stealer stealer vermin

Link:

https://www.filescan.io/uploads/64908598dac8943115b201f1/reports/80e31389-936d-49cf-9bc3-8891fd6c5395/overview

Verdict:

Malicious

Labled as:

Trojan.MSIL.Quasar

Link:

https://www.hybrid-analysis.com/sample/c4cd074c486e0c4cdedbc4fb8f94c97db5eaf4e56f027421d8922e0b02f3ef18

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/8e7e1156-319b-4383-8a2c-76f8e60ce90b

Result

Threat name:

Quasar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1257574

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

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)

May check the online IP address of the machine

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Snort IDS alert for network traffic

Yara detected Generic Downloader

Yara detected Quasar RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/c4cd074c486e0c4cdedbc4fb8f94c97db5eaf4e56f027421d8922e0b02f3ef18/

Threat name:

ByteCode-MSIL.Trojan.Quasar

Status:

Malicious

First seen:

2023-06-19 16:43:07 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

30 of 37 (81.08%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ytgqotcinygezxw3yt5y7fgjpw26v5hfn4bhiioysixawaxt54ma._file

Verdict:

malicious

QuasarRAT

585e4146923404bbe11c2cf5a423e2650a5d133541e9baeacb64a4d675f6484d

QuasarRAT

66aa3076bab656dc495c3a7cd2f8cfef86ffe2082d209fabe8c64905b8c76cb9

QuasarRAT

71b507a5d2ef28b951d65ba5a737c75e6e0ecdda454e7c70a40bd37b083ce9bd

QuasarRAT

7d6cfc5cfb6243152ee28b41a00650c3c95cc3615a5407c6ec094632926b99e2

QuasarRAT

8be3c7231a1d547531c3e669d380fd00b5b3e773da201b34bed04810062329c0

QuasarRAT

a792be03af23fe52b708d22df6cadeb3374bb5500416a862eee57ea56db20fd5

QuasarRAT

d3a5310046716a79439b26f59b1cd70e4220fbb3d4161c8cd57806be2b56be43

QuasarRAT

ea04e1c9f1de856c0a0023309410a758b26bdff39e4afbfe329a9b6a805cf23e

QuasarRAT

+ 326 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:dolas spyware trojan

Link:

https://tria.ge/reports/230619-t78znagc3z/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Looks up external IP address via web service

Quasar RAT

Quasar payload

Malware Config

C2 Extraction:

atomic.opdailyallowance.top:6980

Unpacked files

SH256 hash:

c4cd074c486e0c4cdedbc4fb8f94c97db5eaf4e56f027421d8922e0b02f3ef18

MD5 hash:

90e6a6cb38ff2a0b219f1caf29b5c4a2

SHA1 hash:

5a6886ff0dae0710ced3ea06587d058fa0090ab1

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/d5caa8bf-7400-42f5-8f01-b7b45be98d61/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/c4cd074c486e/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/c4cd074c486e0c4cdedbc4fb8f94c97db5eaf4e56f027421d8922e0b02f3ef18

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:	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 artifcats observed in infostealers

Rule name:	MALWARE_Win_QuasarStealer Create hunting rule
Author:	ditekshen
Description:	Detects Quasar infostealer

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:	pe_imphash Create hunting rule

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/