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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2efaa98a4d928cc5ef26dbf8dc1506f763a7028ef0a7278588aa2dfea81e300a. 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


AsyncRAT


Vendor detections: 14


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2efaa98a4d928cc5ef26dbf8dc1506f763a7028ef0a7278588aa2dfea81e300a
SHA3-384 hash: f0142a6220f8eec9d6399de210e533e107ccf7fe3fcf6490cde9fa73f430414fb05300d45bcd63679e3875b24fc90aa5
SHA1 hash: 4363fb354424c1197523ab49f4831f22816b3887
MD5 hash: 4fc62a595ca474abdb7dda97d49fac8f
humanhash: idaho-spring-rugby-louisiana
File name:2efaa98a4d928cc5ef26dbf8dc1506f763a7028ef0a7278588aa2dfea81e300a.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:7'600'745 bytes
First seen:2026-10-28 00:18:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash 5324ac1e1bceff69ec8d4435c50bfe0e (1 x AsyncRAT)
ssdeep 196608:XINBEbuXV7ICteEroXxjczlxZV3Gu5D4S26/CS3z/hdE5vNLoLPKA:aBE2InEroXe14S26T/XE5Bf
TLSH T167763344B3E81CFED9BB847AC428D829D1F2B4204394D59F27AC851B4E6B6E07D7AF44
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter Tuxxin
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
169
Origin country :
US US
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/4a4780df-d0b8-452e-ae05-d34adcd286ce/
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-10-28 00:32:26 UTC
Tags:
python pyinstaller susp-powershell openssl tool pastebin github evasion dcrat rat asyncrat
Link:
https://app.any.run/tasks/cd745b15-7661-452d-a22f-c9f33ec79044

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Emotet
Create hunting rule
Link:
https://www.capesandbox.com/analysis/95570/
Detection(s):
SecuriteInfo.com.Trojan.Siggen36.51152.16232.26824.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae13f8e49621540087c009a
Tags:
obfuscate vmdetect xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade microsoft_visual_cc overlay packed packed pyinstaller pyinstaller
Link:
https://www.filescan.io/uploads/6ae13f83f681f76ad493d24c/reports/8d6cafc1-8661-4df8-ad4f-a03216c95acb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2efaa98a4d928cc5ef26dbf8dc1506f763a7028ef0a7278588aa2dfea81e300a
Verdict:
Unknown
File Type:
exe x64
Link:
https://opentip.kaspersky.com/2efaa98a4d928cc5ef26dbf8dc1506f763a7028ef0a7278588aa2dfea81e300a/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5ef32053-06b1-486c-9f8c-138fc18a5dc6
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1993563
Signature
Adds a directory exclusion to Windows Defender
Connects to a pastebin service (likely for C&C)
Disables Windows Defender (via service or powershell)
Encrypted powershell cmdline option found
Joe Sandbox ML detected suspicious sample
Modifies the windows firewall
Modifies Windows Defender protection settings
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Uses netsh to modify the Windows network and firewall settings
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1993563 Sample: KIibJMly6A.exe Startdate: 28/10/2026 Architecture: WINDOWS Score: 88 55 pastebin.com 2->55 69 Multi AV Scanner detection for submitted file 2->69 71 Sigma detected: Powershell Defender Disable Scan Feature 2->71 73 Joe Sandbox ML detected suspicious sample 2->73 75 Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet 2->75 10 KIibJMly6A.exe 27 2->10         started        signatures3 77 Connects to a pastebin service (likely for C&C) 55->77 process4 file5 47 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 10->47 dropped 49 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 10->49 dropped 51 C:\Users\user\AppData\Local\...\python310.dll, PE32+ 10->51 dropped 53 19 other files (none is malicious) 10->53 dropped 79 Encrypted powershell cmdline option found 10->79 14 KIibJMly6A.exe 10->14         started        signatures6 process7 dnsIp8 57 pastebin.com 172.66.171.73, 443, 49725, 49726 CLOUDFLARENET-CloudflareIncUS Canada 14->57 81 Encrypted powershell cmdline option found 14->81 18 powershell.exe 7 14->18         started        21 powershell.exe 14->21         started        23 powershell.exe 14->23         started        25 12 other processes 14->25 signatures9 process10 signatures11 59 Uses netsh to modify the Windows network and firewall settings 18->59 61 Modifies Windows Defender protection settings 18->61 63 Modifies the windows firewall 18->63 27 powershell.exe 23 18->27         started        29 conhost.exe 18->29         started        65 Disables Windows Defender (via service or powershell) 21->65 31 conhost.exe 21->31         started        33 powershell.exe 21->33         started        41 2 other processes 23->41 67 Adds a directory exclusion to Windows Defender 25->67 35 powershell.exe 25->35         started        37 conhost.exe 25->37         started        39 powershell.exe 25->39         started        43 21 other processes 25->43 process12 process13 45 netsh.exe 35->45         started       
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2efaa98a4d928cc5ef26dbf8dc1506f763a7028ef0a7278588aa2dfea81e300a
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/4fc62a595ca474abdb7dda97d49fac8f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2efaa98a4d928cc5ef26dbf8dc1506f763a7028ef0a7278588aa2dfea81e300a/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f35ktcsnskgml3zg3p4nyfig65r2oauo6ctspbmiviw75ka6gafa._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default defense_evasion discovery execution persistence privilege_escalation pyinstaller rat vmprotect
Link:
https://tria.ge/reports/261028-amcaeagz8z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Obfuscated Files or Information: Command Obfuscation
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
VMProtect packed file
Command and Scripting Interpreter: PowerShell
Modifies Windows Firewall
Async RAT payload
Family: AsyncRat
Malware Config
C2 Extraction:
tochka90-36200.portmap.host:36200
Unpacked files
SH256 hash:
2efaa98a4d928cc5ef26dbf8dc1506f763a7028ef0a7278588aa2dfea81e300a
MD5 hash:
4fc62a595ca474abdb7dda97d49fac8f
SHA1 hash:
4363fb354424c1197523ab49f4831f22816b3887
Detections:
PyInstaller
Create hunting rule
Link:
https://www.unpac.me/results/4ed0516d-4304-4172-9fb1-fe668c7bbd54/
SH256 hash:
664c3e52f914e351bb8a66ce2465ee0d40acab1d2a6b3167ae6acf6f1d1724d2
MD5 hash:
63c4f445b6998e63a1414f5765c18217
SHA1 hash:
8c1ac1b4290b122e62f706f7434517077974f40e
Link:
https://www.unpac.me/results/4ed0516d-4304-4172-9fb1-fe668c7bbd54/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2efaa98a4d92/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2efaa98a4d928cc5ef26dbf8dc1506f763a7028ef0a7278588aa2dfea81e300a

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PyInstaller
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:PyInstaller
Create hunting rule
Author:@bartblaze
Description:Identifies executable converted using PyInstaller. This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:TigerRAT_pe_yaraify
Create hunting rule
Author:hunts-yara-code
Description:YARAify-tightened byte rule from 9 sample(s) -- VERIFY hits
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information

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

Web download

AsyncRAT

Executable exe 2efaa98a4d928cc5ef26dbf8dc1506f763a7028ef0a7278588aa2dfea81e300a

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/4036513/
Cape
Cape
https://www.capesandbox.com/analysis/95570/

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