MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54821b9c38dd95f636dd8ad15f29ea9227c63bbb9246600725bdcea0f8747210. 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 YARA 19 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 54821b9c38dd95f636dd8ad15f29ea9227c63bbb9246600725bdcea0f8747210
SHA3-384 hash: 95509ed0a74dc12788cee2c36d3c47a857a34e2c4f9ed8b1878a151693ade42f3a229d9925c955e4f0b4a49640b43fee
SHA1 hash: 41ec7db7b33ec085faf998c6a2bb5fab33501fe2
MD5 hash: 55a1c7a07d123f29275e011baced671a
humanhash: sweet-sad-spring-blue
File name:RuntimeBroker.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:65'024 bytes
First seen:2025-12-04 14:42:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'693 x Formbook, 12'274 x SnakeKeylogger)
ssdeep 1536:xhmhBLTRQUhZ4DcVV9HSA+ngGbb+wR2N6bGVUVclN:xhmhBLTRQUhZ4iVNSA+gGbb+M2N6yGY
Threatray 1'455 similar samples on MalwareBazaar
TLSH T19A535B002798C966E1AD4AF8BCF2950046B5C5772102DB5E7CC814DBABAEFC646137FE
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter burger
Tags:AsyncRAT DCRat exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
139
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
DcRat PostExploitTool
Details
DcRat
c2 socket addresses, a version, a mutex, an SSL certificate and server signature, an interval, varying flags, and possibly a filepath and a group
Link:
https://research.acce.ciphertechsolutions.com/results/cb898ea5-fb41-40d9-92fc-1bdbc7ad8041/
Malware family:
n/a
ID:
1
File name:
RuntimeBroker.exe
Verdict:
No threats detected
Analysis date:
2025-12-04 14:41:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3df696cb-c1de-4728-99c4-24a66a8f2612

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DCRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/42500/
Detection(s):
Win.Packed.Razy-9807129-0
Create hunting rule

Win.Malware.Generickdz-9865912-0
Create hunting rule

Win.Trojan.AsyncRAT-9914220-0
Create hunting rule

Win.Malware.Zusy-10034587-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69319db521e2f720d66bea54
Tags:
asyncrat dropper virus micro
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm asyncrat base64 configsecuritypolicy evasive fingerprint hacktool lolbin mpcmdrun msconfig razy reconnaissance regedit schtasks vbnet venomrat
Link:
https://www.filescan.io/uploads/69319dc86019bc7a8f81268e/reports/23b8ad0b-c53a-4756-a5e0-2715af2f9335/overview
Verdict:
Malicious
Labled as:
Backdoor.Marte.VenomRAT.Generic
Link:
https://www.hybrid-analysis.com/sample/54821b9c38dd95f636dd8ad15f29ea9227c63bbb9246600725bdcea0f8747210
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-30T00:39:00Z UTC
Last seen:
2025-12-05T13:47:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-PSW.MSIL.Agent.gen HEUR:Trojan.MSIL.Agent.gen HEUR:Backdoor.MSIL.SheetRat.gen PDM:Trojan.Win32.Tasker.cust HEUR:Backdoor.MSIL.DcRat.gen Backdoor.MSIL.Darkrat.sb Backdoor.MSIL.Crysan.sb Backdoor.MSIL.Crysan.d PDM:Trojan.Win32.Generic Trojan.MSIL.DInvoke.sb
Link:
https://opentip.kaspersky.com/54821b9c38dd95f636dd8ad15f29ea9227c63bbb9246600725bdcea0f8747210/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a122c760-b2db-4f51-b269-5c468057b789
Result
Threat name:
AsyncRAT, Dacic, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1826421
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
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
Protects its processes via BreakOnTermination flag
Queries memory information (via WMI often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: System File Execution Location Anomaly
Sigma detected: Windows Binaries Write Suspicious Extensions
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 AsyncRAT
Yara detected Dacic
Yara detected DcRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1826421 Sample: RuntimeBroker.exe Startdate: 04/12/2025 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 11 other signatures 2->42 7 RuntimeBroker.exe 7 2->7         started        11 WMIRegistrationServices.exe 3 2->11         started        process3 file4 30 C:\Users\user\...\WMIRegistrationServices.exe, PE32 7->30 dropped 32 C:\Users\user\...\RuntimeBroker.exe.log, CSV 7->32 dropped 46 Protects its processes via BreakOnTermination flag 7->46 48 Queries memory information (via WMI often done to detect virtual machines) 7->48 13 cmd.exe 1 7->13         started        15 cmd.exe 1 7->15         started        50 Antivirus detection for dropped file 11->50 52 Multi AV Scanner detection for dropped file 11->52 signatures5 process6 signatures7 18 WMIRegistrationServices.exe 2 13->18         started        22 conhost.exe 13->22         started        24 timeout.exe 1 13->24         started        54 Uses schtasks.exe or at.exe to add and modify task schedules 15->54 26 conhost.exe 15->26         started        28 schtasks.exe 1 15->28         started        process8 dnsIp9 34 157.97.11.134, 8080 NOVAIS-ASIS Iceland 18->34 44 Protects its processes via BreakOnTermination flag 18->44 signatures10
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/54821b9c38dd95f636dd8ad15f29ea9227c63bbb9246600725bdcea0f8747210
Verdict:
njRat
YARA:
14 match(es)
Tags:
.Net DarkCrystal RAT DcRat Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.25 Win 32 Exe x86
Malware Config
C2 Extraction:
CNC: 157.97.11.134
PORT: 8080
Link:
https://app.malva.re/file/55a1c7a07d123f29275e011baced671a
Detection:
dcrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/54821b9c38dd95f636dd8ad15f29ea9227c63bbb9246600725bdcea0f8747210/
Verdict:
Malicious
Threat:
Family.ASYNCRAT
Link:
https://tip.neiki.dev/file/54821b9c38dd95f636dd8ad15f29ea9227c63bbb9246600725bdcea0f8747210
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2025-11-30 09:20:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 37 (89.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ksbbxhby3wk7mnw5rliv6kpksit4mo53sjdgabzfxxhkb6duoiia._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
5fff8aaa7eda49e0c339f8a415f158d840f22344849f294fde8cbbd2fa00b8f3
AsyncRAT
7d762632cff476032847ec9e7eaaa403009624e1c1ec87cb92371e84df25945d
AsyncRAT
7d7db8dde2d6ebc5edbb5284336a3dd99f75e86952ba616f7d693d9a221c4b4d
AsyncRAT
b5a517e674d611f304c6f3ab0ab7c8e4b26a34df34bfcefdb0abb5cdabc6f37e
AsyncRAT
+ 1'445 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:up rat
Link:
https://tria.ge/reports/251204-r25zpsyjgv/
Behaviour
Suspicious use of AdjustPrivilegeToken
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
157.97.11.134:8080
Verdict:
Malicious
Tags:
rat asyncrat Win.Packed.Razy-9807129-0
YARA:
Windows_Generic_Threat_ce98c4bc asyncrat win_asyncrat_unobfuscated
Link:
https://app.threat.zone/submission/124ef3b3-48b7-4dd3-baab-579fb7049ff4
Unpacked files
SH256 hash:
54821b9c38dd95f636dd8ad15f29ea9227c63bbb9246600725bdcea0f8747210
MD5 hash:
55a1c7a07d123f29275e011baced671a
SHA1 hash:
41ec7db7b33ec085faf998c6a2bb5fab33501fe2
Detections:
AsyncRAT
Create hunting rule
DCRat
Create hunting rule
Link:
https://www.unpac.me/results/1e4d8e0a-7259-475b-a8c1-ac5203c81925/
Malware family:
DCRat
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/54821b9c38dd/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/54821b9c38dd95f636dd8ad15f29ea9227c63bbb9246600725bdcea0f8747210

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:AcRat
Create hunting rule
Author:Nikos 'n0t' Totosis
Description:AcRat Payload (based on AsyncRat)
Rule name:dcrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:dcrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:dcrat_rkp
Create hunting rule
Author:jeFF0Falltrades
Description:Detects DCRat payloads
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Create hunting rule
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:Mal_WIN_AsyncRat_RAT_PE
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect AsyncRAT implant.
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:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
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_ce98c4bc
Create hunting rule
Author:Elastic Security
Rule name:win_asyncrat_unobfuscated
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

File information

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

AsyncRAT

Executable exe bc790079efa258b16a7860e1ac26ca1d803c3107452cd9c8e0a9d6fceaba24a3

AsyncRAT

Executable exe 2b750e8e2c3fe8150c947b2fb8b6974e7765edb8c57e4305a3c684d7f8c55f66

AsyncRAT

Executable exe 54821b9c38dd95f636dd8ad15f29ea9227c63bbb9246600725bdcea0f8747210

(this sample)

  
Dropped by
SHA256 2b750e8e2c3fe8150c947b2fb8b6974e7765edb8c57e4305a3c684d7f8c55f66
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/42500/
  
Dropped by
MD5 0f8b98e06c6c5dbd8cc97611bf02a5c4
  
URLhaus
https://urlhaus.abuse.ch/url/3725061/
  
URLhaus
https://urlhaus.abuse.ch/url/3725064/

Comments


Avatar
commented on 2025-12-04 14:45:58 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "54821b9c38dd95f636dd8ad15f29ea9227c63bbb9246600725bdcea0f8747210",
"yara_possible_family": "dcrat",
"key": "19700223a316aa797fbd9c2d5b408c7320566a9d3fb8c3c7634acba360a98a03",
"salt": "4463526174427971777164616e6368756e",
"config": {
"Ports": [
"8080"
],
"Hosts": [
"157.97.11.134"
],
"Version": " 1.0.7",
"Install": "true",
"InstallFolder": "%AppData%",
"InstallFile": "WMIRegistrationServices.exe",
"Key": "UEtMUmlSS2xWT05BenZFNnVGcmdHckFTMHdDRUJNYnY=",
"Mutex": "nigger",
"Certificate": "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",
"Serversignature": "OBwSk2aEppBsO7BcUjpzOpfq/6cKiJlj1NwfCdBdyHCQlHJXkA0ZJHvxwFdrGE2xUmfFjZfG/N7KryEYCZBEHzppzuWNcLdmNhJBe4d5QOVlEROkr11kD67mSVCT/z2/FFzw7184gGCr0y/+4FziV9vbbZYtIy6Aw/eBhTSkr6M=",
"Pastebin": "null",
"BSOD": "true",
"Hwid": "null",
"Delay": "1",
"Group": "up",
"AntiProcess": "false",
"Anti": "true"
}
}