MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7eacb8f767c39fcdb30818d01a825e13f3908fa5d782e5d45a4b26d903dd0891. 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 29 File information Comments

SHA256 hash:	7eacb8f767c39fcdb30818d01a825e13f3908fa5d782e5d45a4b26d903dd0891
SHA3-384 hash:	753b1fc2ecec1cbce81b65c9049d84a466d4c775ca8e79fa740aeea2306a8a8f65b7654848a9f4e2bfffe7a81b4ba0b5
SHA1 hash:	ba41763f6288cda9e0c16791e2d54148f4cf8632
MD5 hash:	c6ab9f46783de1c7069c23d0e4c029a4
humanhash:	johnny-oranges-crazy-oven
File name:	Client.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	3'285'004 bytes
First seen:	2025-11-22 23:59:25 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'839 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep	49152:avOe821/aQWl8P0lSk3aKA3Z+nXhN84mz8OoGd39THHB72eh2NT:avN821/aQWl8P0lSk3DA3Z+nRN81
Threatray	1'535 similar samples on MalwareBazaar
TLSH	T19BE55A0577F85E62E1AAD3B3D5F0541363F0F82AF3A3EB0B5191677A1C93B4098426A7
TrID	46.3% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 19.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 10.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 6.6% (.EXE) Win64 Executable (generic) (10522/11/4) 4.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika	pebin
Reporter	Hexastrike
Tags:	exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection:

QuasarStealer

Link:

https://www.capesandbox.com/analysis/39559/

Detection(s):

Win.Malware.Generic-9883083-0

Win.Malware.Msilheracles-9900242-0

Win.Packed.Downeks-6898097-0

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69225a7d4917b5d23db0b663

Tags:

infosteal quasar

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

base64 infostealer obfuscated obfuscated reconnaissance stealer

Link:

https://www.filescan.io/uploads/692255adeecb08e4aa452629/reports/09100257-1f2a-4346-98a3-00843b51474f/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/7eacb8f767c39fcdb30818d01a825e13f3908fa5d782e5d45a4b26d903dd0891

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-11-19T18:37:00Z UTC

Last seen:

2025-11-20T09:12:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/7eacb8f767c39fcdb30818d01a825e13f3908fa5d782e5d45a4b26d903dd0891/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/3445c77e-d94e-493f-90f1-00fd4a1edf38

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/7eacb8f767c39fcdb30818d01a825e13f3908fa5d782e5d45a4b26d903dd0891

Verdict:

inconclusive

YARA:

13 match(es)

Tags:

.Net Executable Managed .NET PE (Portable Executable) PE Memory-Mapped (Dump) SOS: 0.31

Link:

https://app.malva.re/file/c6ab9f46783de1c7069c23d0e4c029a4

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/7eacb8f767c39fcdb30818d01a825e13f3908fa5d782e5d45a4b26d903dd0891/

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2025-11-20 01:20:24 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=p2wlr53hyop43myiddibvas6cpzzbd5f26bolvc2jmtnsa65bciq._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

62e33e711af0f03f89102ab7d82d642e2981c164cce4f8300918ec0aea9a34ac

QuasarRAT

7e939ad9ea88f7d6a752d6ed512c6243cce8be49e1c1b187287b32b58f9de4fd

QuasarRAT

error

QuasarRAT

f00591384ec47004189f26bd3766220e991c70987e0c130331a32c38e3411584

QuasarRAT

+ 1'525 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:pingping discovery

Link:

https://tria.ge/reports/251123-atswqswjaw/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Browser Information Discovery

Enumerates physical storage devices

Drops file in Program Files directory

Drops file in Windows directory

Malware Config

C2 Extraction:

stope40.org:4782
ddos.stope40.org:4782
data.stope40.org:4782
malware.stope40.org:4782

Verdict:

Malicious

Tags:

rat quasar_rat stealer Win.Malware.Generic-9883083-0

YARA:

MAL_QuasarRAT_May19_1 malware_windows_quasarrat win_quasar_rat_client MALWARE_Win_Quasarstealer

Link:

https://app.threat.zone/submission/6a59ada4-cfac-4e69-8f3a-c050071441df

Unpacked files

SH256 hash:

7eacb8f767c39fcdb30818d01a825e13f3908fa5d782e5d45a4b26d903dd0891

MD5 hash:

c6ab9f46783de1c7069c23d0e4c029a4

SHA1 hash:

ba41763f6288cda9e0c16791e2d54148f4cf8632

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/a15bb599-f927-4ed9-9c8a-150d0c0a6996/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

0.84

Link:

https://yomi.yoroi.company/submissions/7eacb8f767c39fcdb30818d01a825e13f3908fa5d782e5d45a4b26d903dd0891

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.

Cape

https://www.capesandbox.com/analysis/39559/

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