MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ce59916ff52c012f87342f2ec7937f85e7f13fc72d37f077c2e0ea6d4ce01a07. 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 2

SHA256 hash:	ce59916ff52c012f87342f2ec7937f85e7f13fc72d37f077c2e0ea6d4ce01a07
SHA3-384 hash:	41e3bdf01ba6b7a7695f9fcf0829874323cb6cb4e9c52c9b84d15ae1c8f3cd63e02a663d4d75a5d3303bee211fa59b52
SHA1 hash:	1f63ff410c46203a0c369901f7f79f0d6f5d3570
MD5 hash:	e9aab20d874cdfb22be36996e60a3770
humanhash:	north-burger-kitten-berlin
File name:	SearchIndexer.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	3'365'888 bytes
First seen:	2026-04-17 18:30:57 UTC
Last seen:	2026-04-17 18:34:04 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'880 x AgentTesla, 19'800 x Formbook, 12'305 x SnakeKeylogger)
ssdeep	49152:mvNJ1+2g7axHTYPVlO0Szgcp5bW9hRJ63bR3LoGdYTHHB72eh2NTH:mvfY2g7axHTYPVlO0SEcp5bW9hRJ6J
Threatray	2'203 similar samples on MalwareBazaar
TLSH	T1FBF56B143BF85E27E1BBE277A5B0041267F0FC1AB363EB0B6581677A1C53B5098427A7
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	02c2868606860600 (1 x QuasarRAT)
Reporter	Anonymous
Tags:	exe python-ui QuasarRAT test

Anonymous

Upload qua UI Python để test

Intelligence

File Origin

# of uploads :

# of downloads :

151

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/a90cebc1-8d84-4fa5-9691-5e4405dca43e/

Malware family:

quasar

ID:

File name:

SearchIndexer.exe

Verdict:

Malicious activity

Analysis date:

2026-04-16 16:37:19 UTC

Tags:

quasar

Link:

https://app.any.run/tasks/0fb60bca-77b0-4abb-914c-e6f77cfb5ae5

Note:

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

Detection:

QuasarRAT

Link:

https://www.capesandbox.com/analysis/62018/

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

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69e1103df68adfe1003a793f

Tags:

infosteal autorun quasar

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a file in the system32 subdirectories

Launching a process

Sending a custom TCP request

Enabling autorun by creating a file

Gathering data

Verdict:

Malicious

Labled as:

Malware.Generic

Link:

https://www.hybrid-analysis.com/sample/ce59916ff52c012f87342f2ec7937f85e7f13fc72d37f077c2e0ea6d4ce01a07

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-04-16T13:41:00Z UTC

Last seen:

2026-04-19T03:08:00Z UTC

Hits:

~10

Detections:

Trojan.MSIL.Donut.sb 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 Trojan.Win32.Quasar.sb Trojan.MSIL.Quasar.a

Link:

https://opentip.kaspersky.com/ce59916ff52c012f87342f2ec7937f85e7f13fc72d37f077c2e0ea6d4ce01a07/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/3a9a229e-0491-453a-bf76-7c9021e3b69e

Score:

80%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ce59916ff52c012f87342f2ec7937f85e7f13fc72d37f077c2e0ea6d4ce01a07

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/e9aab20d874cdfb22be36996e60a3770

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/ce59916ff52c012f87342f2ec7937f85e7f13fc72d37f077c2e0ea6d4ce01a07/

Verdict:

Malicious

Threat:

Family.QUASARRAT

Link:

https://tip.neiki.dev/file/ce59916ff52c012f87342f2ec7937f85e7f13fc72d37f077c2e0ea6d4ce01a07

Threat name:

Win32.Backdoor.Quasar

Status:

Malicious

First seen:

2026-04-16 16:37:27 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

29 of 37 (78.38%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=zzmzc37vfqas7bzuf4xmpe37qxt7cp6hfu37a56c4dvg2thadidq._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

4409a082e2b18f4b19668b7311ee4a882c8bd76ddad7272b1f042d0e5f828e82

QuasarRAT

7d24b4af7a5b9e599862bf1566c64e6465871cf3d360676346088eb2f176ae07

QuasarRAT

be5370686c2c4b8f69d7428ec4d7f5270ef6e8d6ea45b6846e3589bc289f69e9

QuasarRAT

+ 2'193 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:searchindexer discovery execution persistence spyware trojan

Link:

https://tria.ge/reports/260417-w6ck6shz81/

Behaviour

Runs ping.exe

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

Drops file in System32 directory

Checks computer location settings

Executes dropped EXE

Family: Quasar RAT

Quasar payload

Malware Config

C2 Extraction:

yandex.us.com:4782
pleo.uk.com:4782
corporateoffice.us.com:4782
lowcostleadgeneration.us.com:4782
santrol.cn.com:4782
hitclub.gr.com:4782
keycomputers.uk.com:4782
europaskolan.gb.net:4782
ngms.eu.com:4782
ecoprint.uk.com:4782
amphdvyegear.gb.net:4782
xn--ipwqsv2ul0p.jpn.com:4782

Unpacked files

SH256 hash:

ce59916ff52c012f87342f2ec7937f85e7f13fc72d37f077c2e0ea6d4ce01a07

MD5 hash:

e9aab20d874cdfb22be36996e60a3770

SHA1 hash:

1f63ff410c46203a0c369901f7f79f0d6f5d3570

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/8ba3108a-3e7b-44e1-b2b6-0d637e36a1b4/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ce59916ff52c/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/ce59916ff52c012f87342f2ec7937f85e7f13fc72d37f077c2e0ea6d4ce01a07

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:	Diff_QuasarRAT_01 Create hunting rule
Author:	schmidtsz
Description:	Identify QuasarRAT samples

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
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:	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:	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.

Delivery method

Other

Cape

https://www.capesandbox.com/analysis/62018/

Comments

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commented on 2026-04-17 18:36:46 UTC

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

{
"sha256": "ce59916ff52c012f87342f2ec7937f85e7f13fc72d37f077c2e0ea6d4ce01a07",
"yara_possible_family": "quasarrat",
"key": "6d8b1b221b881367ebf8eac45efe47ec61995fead921eed23c0b89a443017dba",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"obfuscated_key_1": "1.4.1",
"obfuscated_key_2": "yandex.us.com:4782;pleo.uk.com:4782;corporateoffice.us.com:4782;lowcostleadgeneration.us.com:4782;santrol.cn.com:4782;hitclub.gr.com:4782;keycomputers.uk.com:4782;europaskolan.gb.net:4782;ngms.eu.com:4782;ecoprint.uk.com:4782;amphdvyegear.gb.net:4782;xn--ipwqsv2ul0p.jpn.com:4782;",
"obfuscated_key_3": 3000,
"obfuscated_key_4": "SYSTEM",
"obfuscated_key_5": "setup",
"obfuscated_key_6": "SearchIndexer.exe",
"obfuscated_key_7": true,
"obfuscated_key_8": true,
"obfuscated_key_9": "IndexingMutex_89135196-e512-469a-8b49-0bbd9cca5296",
"obfuscated_key_10": "SearchIndexer.exe",
"obfuscated_key_11": false,
"obfuscated_key_12": true,
"obfuscated_key_13": "2DA8E1B5D18EAA4561218BCAF7CC51C403CE73ED",
"obfuscated_key_14": "SearchIndexer",
"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": false,
"obfuscated_key_20": "",
"obfuscated_key_21": "",
"obfuscated_key_22": false
}
}

commented on 2026-04-17 18:34:38 UTC