MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf1f2902c46b14b17999309c60c2956074fa632cb4e2b1393bd5ef9dd5f01ce9. 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: 21


Intelligence 21 IOCs 1 YARA 5 File information Comments

SHA256 hash: cf1f2902c46b14b17999309c60c2956074fa632cb4e2b1393bd5ef9dd5f01ce9
SHA3-384 hash: 7bfbce1390c4e3ffe29a897f52e082d0d1c9a3dd7905418a40ddd7bf17a623d2bbce404b6261527802a1a40a72da1061
SHA1 hash: 287eb2d2d5ca5eb1a6c4f8d10a3a187e9d66e0a1
MD5 hash: b90da3c3cac5e3dc21906760d416e7d5
humanhash: washington-bulldog-carbon-four
File name:fwyUbmjntQ4x35w.exe
Download: download sample
Signature AsyncRAT
File size:424'960 bytes
First seen:2025-10-02 07:30:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'797 x AgentTesla, 19'709 x Formbook, 12'278 x SnakeKeylogger)
ssdeep 6144:XD5q1x6+h+sYNcmki8SwUhp89j2+f/pot3ZSWnk2zly4xQHV5yv3H/oBFPplzZt2:z5KArcBc8gQY3H3lmVIYDZW9FJ
Threatray 2'034 similar samples on MalwareBazaar
TLSH T1FD940248291ECA23C5620FF908A2D07017F1EF9AED97E1438ED93DDFB62AB5546043D6
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
196.251.117.251:50084

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
196.251.117.251:50084 https://threatfox.abuse.ch/ioc/1598146/

Intelligence


File Origin
# of uploads :
1
# of downloads :
198
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
fwyUbmjntQ4x35w.exe
Verdict:
Malicious activity
Analysis date:
2025-10-02 07:31:40 UTC
Tags:
auto-sch-xml auto-reg rat asyncrat remote

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

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Creating a file
Running batch commands
Creating a process from a recently created file
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
asyncrat base64 bitmap config-extracted darkcloud formbook krypt lolbin msbuild nanocore njrat njrat obfuscated packed packed rat reconnaissance reg regsvcs rezer0 roboski schtasks stego unsafe vbc vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-02T04:37:00Z UTC
Last seen:
2025-10-03T07:25:00Z UTC
Hits:
~10
Detections:
Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb HEUR:Trojan.MSIL.Taskun.sb Backdoor.MSIL.Crysan.sb Backdoor.MSIL.Crysan.d Backdoor.MSIL.Crysan.b PDM:Trojan.Win32.Generic HEUR:Trojan-PSW.MSIL.DarkCloud.gen
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1787934 Sample: fwyUbmjntQ4x35w.exe Startdate: 02/10/2025 Architecture: WINDOWS Score: 100 95 Suricata IDS alerts for network traffic 2->95 97 Found malware configuration 2->97 99 Malicious sample detected (through community Yara rule) 2->99 101 10 other signatures 2->101 10 fwyUbmjntQ4x35w.exe 7 2->10         started        14 henshs.exe 2->14         started        16 GmuwcHUaCYZN.exe 5 2->16         started        18 2 other processes 2->18 process3 file4 85 C:\Users\user\AppData\...behaviorgraphmuwcHUaCYZN.exe, PE32 10->85 dropped 87 C:\Users\...behaviorgraphmuwcHUaCYZN.exe:Zone.Identifier, ASCII 10->87 dropped 89 C:\Users\user\AppData\Local\...\tmp1C9A.tmp, XML 10->89 dropped 91 C:\Users\user\...\fwyUbmjntQ4x35w.exe.log, ASCII 10->91 dropped 107 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->107 109 Uses schtasks.exe or at.exe to add and modify task schedules 10->109 111 Adds a directory exclusion to Windows Defender 10->111 20 fwyUbmjntQ4x35w.exe 6 10->20         started        23 powershell.exe 23 10->23         started        26 schtasks.exe 1 10->26         started        35 2 other processes 10->35 113 Multi AV Scanner detection for dropped file 14->113 115 Injects a PE file into a foreign processes 14->115 28 powershell.exe 14->28         started        37 2 other processes 14->37 30 GmuwcHUaCYZN.exe 2 4 16->30         started        33 schtasks.exe 1 16->33         started        39 5 other processes 18->39 signatures5 process6 dnsIp7 83 C:\Users\user\AppData\Roaming\henshs.exe, PE32 20->83 dropped 41 cmd.exe 20->41         started        43 cmd.exe 20->43         started        105 Loading BitLocker PowerShell Module 23->105 45 conhost.exe 23->45         started        47 conhost.exe 26->47         started        49 conhost.exe 28->49         started        93 196.251.117.251, 49725, 49727, 50084 xneeloZA Seychelles 30->93 51 cmd.exe 30->51         started        53 conhost.exe 33->53         started        55 conhost.exe 37->55         started        57 2 other processes 39->57 file8 signatures9 process10 process11 59 henshs.exe 41->59         started        62 conhost.exe 41->62         started        64 timeout.exe 41->64         started        66 conhost.exe 51->66         started        68 timeout.exe 51->68         started        signatures12 117 Adds a directory exclusion to Windows Defender 59->117 119 Injects a PE file into a foreign processes 59->119 70 powershell.exe 59->70         started        73 schtasks.exe 59->73         started        75 henshs.exe 59->75         started        77 henshs.exe 59->77         started        process13 signatures14 103 Loading BitLocker PowerShell Module 70->103 79 conhost.exe 70->79         started        81 conhost.exe 73->81         started        process15
Gathering data
Threat name:
Win32.Trojan.VIPKeyLogger
Status:
Malicious
First seen:
2025-10-02 07:31:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default defense_evasion discovery execution persistence rat spyware stealer
Behaviour
Delays execution with timeout.exe
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
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
196.251.117.251:50084
Unpacked files
SH256 hash:
cf1f2902c46b14b17999309c60c2956074fa632cb4e2b1393bd5ef9dd5f01ce9
MD5 hash:
b90da3c3cac5e3dc21906760d416e7d5
SHA1 hash:
287eb2d2d5ca5eb1a6c4f8d10a3a187e9d66e0a1
SH256 hash:
bc0ad41c28043b3d5ff406e9ad6d602ce90334f54ebc61769432c6ee0636c91e
MD5 hash:
2ca69907dd7aa05d181705b88109d6c2
SHA1 hash:
5194cfdedba283d598cc513e38897cfc5109049b
Detections:
win_asyncrat_w0 asyncrat win_asyncrat_bytecodes INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
SH256 hash:
868f9844cd6f0ea25b1115f509044f21f71a787afe9b706eb44c11f4942cb563
MD5 hash:
55786c675054c44592975b5fa7f643fb
SHA1 hash:
851f36ec99a212528ee1d5070af0907aaa05c483
SH256 hash:
3fc396b4483cf07c7a013c29b394a62ef73cc71b4cc6507ab7a799611d5d774f
MD5 hash:
c3c7d67271e2d25e74e083d6d2cad46d
SHA1 hash:
e979cfe9d32c4872eadcdd1c3650dcfd6316b8db
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
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.

Comments