MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 279cffbda7c1a6ba3d06bebc931517b5a8df11c69a02e1dba63a023c2c79fd7e. 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: 20

Intelligence 20 IOCs YARA 29 File information Comments 1

SHA256 hash:	279cffbda7c1a6ba3d06bebc931517b5a8df11c69a02e1dba63a023c2c79fd7e
SHA3-384 hash:	f34850e55b07563f9f2a4ec03503c0303f5106f5eb6ccc515ed67d55f8cb03fe57de89c53504792d08db3159ae241e38
SHA1 hash:	168931e5103a7b836ec45519975ed64294e3a2a6
MD5 hash:	8887cf5ddfaa6daabc64b29454da9493
humanhash:	march-butter-alanine-lactose
File name:	Security_Update_Chrome.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	3'280'384 bytes
First seen:	2026-05-09 15:25:31 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'003 x AgentTesla, 19'911 x Formbook, 12'332 x SnakeKeylogger)
ssdeep	49152:cvVzn3r24paQe+GPhlz1Tt6U7PkDu1PuoGdr4THHB72eh2NT:cvtr24paQe+GPhlz1TwU7PkDu1W
Threatray	2'218 similar samples on MalwareBazaar
TLSH	T1F5E56B0437F85E76E16BE6B7D5B1501263F0F82AF363EB1B2581A77A1C53B4088426B7
TrID	60.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 13.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.4% (.EXE) Win64 Executable (generic) (6522/11/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
dhash icon	f0d48a4d4d8ac4e0 (2 x XillenStealer, 2 x QuasarRAT)
Reporter	Anonymous
Tags:	email exe Quasar QuasarRAT RAT

Intelligence

File Origin

# of uploads :

# of downloads :

271

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/d0dd7a52-bb17-46c8-91c4-59d5875f1db8/

Malware family:

quasar

ID:

File name:

Security_Update_Chrome.exe

Verdict:

Malicious activity

Analysis date:

2026-05-09 15:12:19 UTC

Tags:

quasar

Link:

https://app.any.run/tasks/be47643a-c3ed-41b2-9e74-50c102685189

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/65426/

Detection(s):

Win.Malware.Generic-9883083-0

Win.Malware.Msilheracles-9900242-0

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL

Win.Packed.Downeks-6898097-0

YARA.DITEKSHEN_MALWARE_Win_Quasarstealer.UNOFFICIAL

YARA.SIGNATURE_BASE_MAL_Quasarrat_May19_1.UNOFFICIAL

Gathering data

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-vm base64 certreq expand explorer fingerprint infostealer lolbin obfuscated obfuscated packed quasar quasarrat reconnaissance runonce schtasks stealer

Link:

https://www.filescan.io/uploads/69ff52252fcb905ec28ab9ec/reports/454bed0f-d48b-4028-822f-ce0dfb82a7d6/overview

Verdict:

Malicious

Labled as:

Malware.Generic

Link:

https://www.hybrid-analysis.com/sample/279cffbda7c1a6ba3d06bebc931517b5a8df11c69a02e1dba63a023c2c79fd7e

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-05-09T12:32:00Z UTC

Last seen:

2026-05-11T01:45:00Z UTC

Hits:

~10

Detections:

Trojan.MSIL.Quasar.a Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Agent.sb HEUR:Trojan.MSIL.Quasar.gen HEUR:Trojan-Spy.MSIL.Agent.sb PDM:Trojan.Win32.Tasker.cust PDM:Trojan.Win32.Generic Trojan.Win32.Quasar.sb

Link:

https://opentip.kaspersky.com/279cffbda7c1a6ba3d06bebc931517b5a8df11c69a02e1dba63a023c2c79fd7e/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/7953befb-8610-423a-8965-575af0e0533b

Score:

87%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/279cffbda7c1a6ba3d06bebc931517b5a8df11c69a02e1dba63a023c2c79fd7e

Verdict:

inconclusive

YARA:

13 match(es)

Tags:

.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.31 Win 32 Exe x86

Link:

https://app.malva.re/file/8887cf5ddfaa6daabc64b29454da9493

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/279cffbda7c1a6ba3d06bebc931517b5a8df11c69a02e1dba63a023c2c79fd7e/

Verdict:

Malicious

Threat:

Family.QUASARRAT

Link:

https://tip.neiki.dev/file/279cffbda7c1a6ba3d06bebc931517b5a8df11c69a02e1dba63a023c2c79fd7e

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2026-05-09 15:26:37 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=e6op7pnhygtlupigx26jgfixwwun6eogtibodw5ghibdyldz7v7a._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

7cf92236a23833476c9e91eabf6bf023de5572b65a62da1e6cb9be39247162a6

QuasarRAT

c1b011778271c50b58e7d1cc972434f98671118a3dd381dc4fd5f52b5f2c42a2

QuasarRAT

e78c16daddee864b284f81c9e66f2dacb340ae7670a3a1b1735bde8619246e29

QuasarRAT

error

QuasarRAT

+ 2'208 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:92news24foryou execution persistence spyware trojan

Link:

https://tria.ge/reports/260509-sveplsds3l/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Executes dropped EXE

Unexpected DNS network traffic destination

Family: Quasar RAT

Quasar payload

Malware Config

C2 Extraction:

92news24foryou.za.com:8080
92news24foryou.za.com:443
92news24foryou.za.com:80
92news24foryou.za.com:53
92news24foryou.za.com:1604
www.92news24foryou.za.com:1604
172.67.191.202:53
104.21.20.53:53
104.21.20.53:80
172.67.191.202:80

Unpacked files

SH256 hash:

279cffbda7c1a6ba3d06bebc931517b5a8df11c69a02e1dba63a023c2c79fd7e

MD5 hash:

8887cf5ddfaa6daabc64b29454da9493

SHA1 hash:

168931e5103a7b836ec45519975ed64294e3a2a6

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/e79478c6-aeb3-475d-9425-7e1c61a412b3/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/279cffbda7c1/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/279cffbda7c1a6ba3d06bebc931517b5a8df11c69a02e1dba63a023c2c79fd7e

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

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:	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:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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:	Lumma_Stealer_Detection Create hunting rule
Author:	ashizZz
Description:	Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:	https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/

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:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

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:	quasarrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	quasarrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RC6_Constants Create hunting rule
Author:	chort (@chort0)
Description:	Look for RC6 magic constants in binary
Reference:	https://twitter.com/mikko/status/417620511397400576

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

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:	Windows_Generic_Threat_803feff4 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.

File information

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

Malspam

QuasarRAT

exe 279cffbda7c1a6ba3d06bebc931517b5a8df11c69a02e1dba63a023c2c79fd7e

(this sample)

any.run

https://any.run/report/279cffbda7c1a6ba3d06bebc931517b5a8df11c69a02e1dba63a023c2c79fd7e/be47643a-c3ed-41b2-9e74-50c102685189

Dropping

Quasar RAT

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/65426/

Comments

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commented on 2026-05-09 15:31:20 UTC

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

{
"sha256": "279cffbda7c1a6ba3d06bebc931517b5a8df11c69a02e1dba63a023c2c79fd7e",
"yara_possible_family": "quasarrat",
"key": "6d8b1b221b881367ebf8eac45efe47ec61995fead921eed23c0b89a443017dba",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"obfuscated_key_1": "1.4.1",
"obfuscated_key_2": "92news24foryou.za.com:8080;92news24foryou.za.com:443;92news24foryou.za.com:80;92news24foryou.za.com:53;92news24foryou.za.com:1604;www.92news24foryou.za.com:1604;172.67.191.202:53;104.21.20.53:53;104.21.20.53:80;172.67.191.202:80;",
"obfuscated_key_3": 3000,
"obfuscated_key_4": "APPLICATIONDATA",
"obfuscated_key_5": "Google\\Chrome\\Update",
"obfuscated_key_6": "GoogleUpdate.exe",
"obfuscated_key_7": true,
"obfuscated_key_8": true,
"obfuscated_key_9": "92news24foryou-22e01fb1-ff65-4cae-a164-b3091dfd4918",
"obfuscated_key_10": "Google Update Core",
"obfuscated_key_11": true,
"obfuscated_key_12": true,
"obfuscated_key_13": "2DA8E1B5D18EAA4561218BCAF7CC51C403CE73ED",
"obfuscated_key_14": "92news24foryou",
"obfuscated_key_15": "Logs",
"obfuscated_key_16": "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",
"obfuscated_key_17": "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",
"obfuscated_key_18": true,
"obfuscated_key_19": true,
"obfuscated_key_20": "",
"obfuscated_key_21": "",
"obfuscated_key_22": true
}
}