MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f50d4bf5151fc2f9f89ff48f4ead9ea615bc85a951b88a6d83d0dd53bd17a942. 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: 20


Intelligence 20 IOCs 1 YARA 3 File information Comments

SHA256 hash: f50d4bf5151fc2f9f89ff48f4ead9ea615bc85a951b88a6d83d0dd53bd17a942
SHA3-384 hash: bc8da8d89f0c0e54f659b8fd905a2d0f0506273b470587c8d051f46c5ab035abc99d79b2d87bcbbfec8a5f599e7209d4
SHA1 hash: bbc03c7416ddd63b41531d321843841b5bb6023e
MD5 hash: 46dccd2fa2065a761ab6114614f948b5
humanhash: lemon-sink-minnesota-nineteen
File name:RFQET242517440000.pdf.exe
Download: download sample
Signature AsyncRAT
File size:532'480 bytes
First seen:2025-12-04 03:45:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'598 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:OPdilT8xzHu94dzCF1a2l6JW0+EDYbs5PTE5yZmrV3sxzH:OPdilgYmGFtl67v5LE8kh3s
Threatray 49 similar samples on MalwareBazaar
TLSH T1D0B40190B269C867CAFB52F94822F37083FA5DADB412C3C98DEDAEDB31D5B510114663
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
192.227.217.229:17229

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
192.227.217.229:17229 https://threatfox.abuse.ch/ioc/1667439/

Intelligence


File Origin
# of uploads :
1
# of downloads :
117
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
RFQET242517440000.pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-12-04 03:47:58 UTC
Tags:
auto-sch-xml rat asyncrat remote netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
underscore asyncrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook krypt masquerade packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-04T00:29:00Z UTC
Last seen:
2025-12-06T01:11:00Z UTC
Hits:
~1000
Detections:
Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb Backdoor.MSIL.Crysan.d Backdoor.MSIL.Crysan.b PDM:Trojan.Win32.Generic HEUR:Trojan.MSIL.Taskun.sb HEUR:Trojan.MSIL.Agent.gen Backdoor.MSIL.Crysan.sb Backdoor.MSIL.Crysan.c
Result
Threat name:
AsyncRAT, PureLog Stealer
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
Suricata IDS alerts for network traffic
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1826044 Sample: RFQET242517440000.pdf.exe Startdate: 04/12/2025 Architecture: WINDOWS Score: 100 46 shed.dual-low.part-0013.t-0009.t-msedge.net 2->46 48 part-0013.t-0009.t-msedge.net 2->48 50 5 other IPs or domains 2->50 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Antivirus detection for URL or domain 2->58 60 14 other signatures 2->60 8 RFQET242517440000.pdf.exe 7 2->8         started        12 OeWFkzbJT.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\OeWFkzbJT.exe, PE32 8->38 dropped 40 C:\Users\...\OeWFkzbJT.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpDDFA.tmp, XML 8->42 dropped 44 C:\Users\...\RFQET242517440000.pdf.exe.log, ASCII 8->44 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 8->62 64 Writes to foreign memory regions 8->64 66 Allocates memory in foreign processes 8->66 68 Adds a directory exclusion to Windows Defender 8->68 14 powershell.exe 23 8->14         started        17 powershell.exe 23 8->17         started        19 MSBuild.exe 2 8->19         started        22 schtasks.exe 1 8->22         started        70 Multi AV Scanner detection for dropped file 12->70 72 Injects a PE file into a foreign processes 12->72 24 schtasks.exe 12->24         started        26 MSBuild.exe 12->26         started        signatures6 process7 dnsIp8 74 Loading BitLocker PowerShell Module 14->74 28 conhost.exe 14->28         started        30 WmiPrvSE.exe 14->30         started        32 conhost.exe 17->32         started        52 192.227.217.229, 17229, 49690 AS-COLOCROSSINGUS United States 19->52 34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        signatures9 process10
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.27 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-12-04 03:45:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:dec discovery execution persistence rat
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
192.227.217.229:17229
fexgmail.zapto.org:17229
Unpacked files
SH256 hash:
f50d4bf5151fc2f9f89ff48f4ead9ea615bc85a951b88a6d83d0dd53bd17a942
MD5 hash:
46dccd2fa2065a761ab6114614f948b5
SHA1 hash:
bbc03c7416ddd63b41531d321843841b5bb6023e
SH256 hash:
764111879b1debda88656be33d996d0d7ae904dad5e31a1c6436b7ccfa8c633e
MD5 hash:
02f4392ea46d2f06e283659792d3db17
SHA1 hash:
d5cbc7b195ac0ee110c38c270f036109961ee865
Detections:
win_asyncrat_w0 SUSP_OBF_NET_Reactor_Indicators_Jan24 asyncrat win_asyncrat_bytecodes
SH256 hash:
fa61c94508eb3057627584cb27d23c1ad80945132f47e86bf65595123b579c36
MD5 hash:
7803acc075bdb6aee6b121cec449cffb
SHA1 hash:
4917b9405d0e0cb6e5cdadf54a1eb02abb82f06f
Detections:
win_asyncrat_w0 SUSP_OBF_NET_Reactor_Indicators_Jan24 asyncrat
SH256 hash:
1e0db4851929ce23b77784dba259d11de3f39075913d43fd9c60c4c689134c29
MD5 hash:
2cc9788ad7327fafe1812c475e6c1b7d
SHA1 hash:
cddf92e688d45974a30f1756f3e5d03c3392b4d3
Detections:
win_asyncrat_w0 SUSP_OBF_NET_Reactor_Indicators_Jan24 asyncrat win_asyncrat_bytecodes
SH256 hash:
c545940ca14648544002fab449b155b12e8e5dced820b26be200a5b064b11cb4
MD5 hash:
8f51e97f613cd4ef2dea6a50d8da153f
SHA1 hash:
dd574f2e9dd2eaad4cd69e0de0c96bed7c036d2c
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
Malware family:
VIPKeylogger
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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