MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51fe6cfaf0e1072a180b909dba8e7fd9e078f8e6180fea4526730a37b3c03737. 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 32 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51fe6cfaf0e1072a180b909dba8e7fd9e078f8e6180fea4526730a37b3c03737
SHA3-384 hash: 46a1bcfae16ad27577725c5943eb6324ffe840cf2c84fa7676e6033bf674ff540d43104cfe8347f6a675f559c9d3d45d
SHA1 hash: 196df73d59a78ef2f86a0936b378d853b4df9d28
MD5 hash: 10a993046f137607f4ee4010a8caf7b8
humanhash: angel-mirror-emma-bulldog
File name:10a993046f137607f4ee4010a8caf7b8.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'990'144 bytes
First seen:2025-10-14 11:59:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9f4693fc0c511135129493f2161d1e86 (253 x Neshta, 15 x Formbook, 14 x AgentTesla)
ssdeep 49152:SFX7wRPirm2NnPTKKm77LrwCB6uanFPqiv:SF8oZNn2Km77LrwkFWJv
TLSH T1AA95F150B7F5812AF1BF1BB9A87704450B37BA029A3AC74F198C605D1EE3391DE613A7
TrID 82.9% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
4.4% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.3% (.EXE) Win64 Executable (generic) (10522/11/4)
3.1% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
2.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
10a993046f137607f4ee4010a8caf7b8.exe
Verdict:
Malicious activity
Analysis date:
2025-10-14 12:01:24 UTC
Tags:
neshta evasion crypto-regex
Link:
https://app.any.run/tasks/5091ddde-ab77-4d42-af95-e592067020b6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
ArrowRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/32687/
Detection(s):
Win.Trojan.Neshuta-1
Create hunting rule

Win.Virus.Neshta-7101689-0
Create hunting rule

Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Bulz-9933026-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
Create hunting rule

Win.Malware.Generic-6623004-0
Create hunting rule

Win.Trojan.Jadtre-5
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ee3b2297a16d00a8d9d395
Tags:
vmdetect neshta emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a file in the Windows directory
Modifying an executable file
Creating a window
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Creating a file
Unauthorized injection to a recently created process
Enabling autorun with the shell\open\command registry branches
Infecting executable files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm borland_delphi cmd explorer fingerprint hacktool lolbin neshta overlay overlay packed runonce update virus winlock
Link:
https://www.filescan.io/uploads/68ee3b2b71883144ef3642ba/reports/66e4c41a-09f4-438e-af76-11b6acee86bb/overview
Verdict:
Malicious
Labled as:
Neshta.A
Link:
https://www.hybrid-analysis.com/sample/51fe6cfaf0e1072a180b909dba8e7fd9e078f8e6180fea4526730a37b3c03737
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-09T14:21:00Z UTC
Last seen:
2025-10-14T11:42:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic HEUR:Virus.Win32.Infector Virus.Win32.Neshta.a Trojan.MSIL.Quasar.eki BSS:Trojan.Win32.Fsysna.a BSS:Exploit.Win32.Generic.nblk Trojan-PSW.MSIL.Agent.sb Trojan.Win32.Gorgon.sb HEUR:Trojan-Banker.MSIL.ClipBanker.gen HEUR:Worm.Win32.Generic BSS:Trojan.Win32.Generic HEUR:Trojan.MSIL.Quasar.gen BSS:Trojan.Win32.Generic.nblk BSS:Exploit.Win32.Generic Trojan-PSW.Win32.Stealer.sb Trojan.MSIL.Quasar.a Virus.Win32.Sality.v BSS:Trojan.Win32.Tasker.cust BSS:Trojan.Win32.Bazon.a UDS:DangerousObject.Multi.Generic not-a-virus:BSS:RiskTool.Win32.BitCoinMiner.g.1 not-a-virus:BSS:Downloader.Win32.LMN.d not-a-virus:BSS:RiskTool.Win32.BitCoinMiner.ga not-a-virus:BSS:AdWare.Win32.PBot.ab
Link:
https://opentip.kaspersky.com/51fe6cfaf0e1072a180b909dba8e7fd9e078f8e6180fea4526730a37b3c03737/results?tab=lookup
Malware family:
Neshta
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8730adac-9b22-49fa-8a3b-b01c55130804
Result
Threat name:
Neshta, Quasar
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1794789
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Drops or copies MsMpEng.exe (Windows Defender, likely to bypass HIPS)
Drops PE files with a suspicious file extension
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Infects executable files (exe, dll, sys, html)
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Neshta
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/51fe6cfaf0e1072a180b909dba8e7fd9e078f8e6180fea4526730a37b3c03737
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51fe6cfaf0e1072a180b909dba8e7fd9e078f8e6180fea4526730a37b3c03737/
Verdict:
Malicious
Threat:
Family.NESHTA
Link:
https://tip.neiki.dev/file/51fe6cfaf0e1072a180b909dba8e7fd9e078f8e6180fea4526730a37b3c03737
Threat name:
Win32.Virus.Neshta
Create hunting rule
Status:
Malicious
First seen:
2025-10-11 21:52:43 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kh7gz6xq4edsugalsco3vdt73hqhr6hgdah6urjgomfdpm6ag43q._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
neshta
Create hunting rule
Similar samples:
error
QuasarRAT
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:neshta family:quasar botnet:erroridenti defense_evasion discovery persistence spyware stealer trojan
Link:
https://tria.ge/reports/251014-n5wzesy1at/
Behaviour
Modifies registry class
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Modifies system executable filetype association
Reads user/profile data of web browsers
Detect Neshta payload
Neshta
Neshta family
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
error.ydns.eu:4783
netframework.ydns.eu:4783
caleta.ydns.eu:4783
Verdict:
Malicious
Tags:
red_team_tool rat arrowrat quasar_rat backdoor backnet trojan neshta Win.Trojan.Neshuta-1
YARA:
HKTL_EXE_AlKhaser_Jul_01 malware_windows_quasarrat MALWARE_Win_ArrowRAT MAL_QuasarRAT_May19_1 MAL_BackNet_Nov18_1 EXE_Virus_Neshta_March2024 Windows_Virus_Neshta_2a5a14c8 MAL_Neshta_Generic MALWARE_Win_Neshta MAL_Malware_Imphash_Mar23_1
Link:
https://app.threat.zone/submission/dae122b5-f145-44ac-8ebc-67c5f5e46d37
Unpacked files
SH256 hash:
51fe6cfaf0e1072a180b909dba8e7fd9e078f8e6180fea4526730a37b3c03737
MD5 hash:
10a993046f137607f4ee4010a8caf7b8
SHA1 hash:
196df73d59a78ef2f86a0936b378d853b4df9d28
Detections:
win_neshta_g0
Create hunting rule
Neshta
Create hunting rule
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/20ff28b7-0cf2-4fdb-a11d-0eccdf571a60/
Malware family:
Neshta
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/51fe6cfaf0e1/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/51fe6cfaf0e1072a180b909dba8e7fd9e078f8e6180fea4526730a37b3c03737

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:Borland
Create hunting rule
Author:malware-lu
Rule name:Check_Dlls
Create hunting rule
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:EXE_Virus_Neshta_March2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:Indicator_MiniDumpWriteDump
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:MALWARE_Win_ArrowRAT
Create hunting rule
Author:ditekSHen
Description:Detects ArrowRAT
Rule name:MALWARE_Win_Neshta
Create hunting rule
Author:ditekSHen
Description:Detects Neshta
Rule name:MAL_BackNet_Nov18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Create hunting rule
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_Malware_Imphash_Mar23_1
Create hunting rule
Author:Arnim Rupp
Description:Detects malware by known bad imphash or rich_pe_header_hash
Reference:https://yaraify.abuse.ch/statistics/
Rule name:MAL_Neshta_Generic
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Neshta malware
Reference:Internal Research
Rule name:MAL_Neshta_Generic_RID2DC9
Create hunting rule
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research
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:neshta_v1
Create hunting rule
Author:RandomMalware
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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_Virus_Neshta_2a5a14c8
Create hunting rule
Author:Elastic Security

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/32687/

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