MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07633175862d8e362fc8b19dad17e955528c2ffb7afd164ebaa06496ef3d3bd2. 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: 22


Intelligence 22 IOCs YARA 19 File information Comments

SHA256 hash: 07633175862d8e362fc8b19dad17e955528c2ffb7afd164ebaa06496ef3d3bd2
SHA3-384 hash: fff40bff6365df308af1a42ae4c188a7b7b9a37612f23fea169abbceaabfc9b00042da22103b17c69167b7fcc4734cff
SHA1 hash: 6a5038bdadd12ae1b5c8830a32fc75d881b45309
MD5 hash: c10f8301f217bbfdbdcc915f27f3cd76
humanhash: diet-sodium-stream-stairway
File name:Virexa.exe
Download: download sample
Signature AsyncRAT
File size:66'048 bytes
First seen:2026-01-06 16:34:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 768:FesZE8giwiPanvix9JYWwdcw9bqhAX1+VSCs7mqb2nQpwH1oDZ01rR2G8G5YVc6c:FeTivvHeZOhaXTbbXwTtGG5YVclN
TLSH T1AB536B002798C961E1AD4AF4ACF255404AB1D5372112DA5E7CC815CB9BAFFC64A237FF
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 Anonymous
Tags:AsyncRAT botnet c2 DCRat exe


Avatar
Anonymous
DcRAT (.NET) malware sample, heavily obfuscated.
Detected by multiple AV engines (50+/71 on VirusTotal).
Shows anti-debug/anti-analysis behavior and long sleep.

Observed C2 / contacted domains:
- ipv6.eu.com
- sunwin1.us.com
- www.iez.uk.com
- zun.uk.com

Likely used for C2 communication and botnet control.
VirusTotal reference:
https://www.virustotal.com/gui/file/07633175862d8e362fcb819dad17e955528c2ffb7afd164ebaa06496ef3d3bd2

Intelligence


File Origin
# of uploads :
1
# of downloads :
153
Origin country :
ES ES
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
Malware family:
asyncrat
ID:
1
File name:
Virexa.exe
Verdict:
Malicious activity
Analysis date:
2026-01-06 16:36:17 UTC
Tags:
rat auto-reg asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
autorun dropper virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
DNS request
Connection attempt
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm asyncrat base64 configsecuritypolicy evasive fingerprint hacktool lolbin mpcmdrun msconfig razy reconnaissance regedit schtasks vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-06T13:43:00Z UTC
Last seen:
2026-01-07T18:23:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.MSIL.SheetRat.gen Backdoor.MSIL.Darkrat.sb Backdoor.MSIL.Crysan.sb Backdoor.MSIL.Crysan.d PDM:Trojan.Win32.Generic HEUR:Backdoor.MSIL.DcRat.gen PDM:Trojan.Win32.Tasker.cust Trojan.MSIL.DInvoke.sb HEUR:Trojan-PSW.MSIL.Agent.gen HEUR:Trojan.MSIL.Agent.gen
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: ipv6.eu.com,zun.uk.com,sunwin11.us.com,firstcall.eu.com,iez.uk.com,www.ipv6.eu.com,www.zun.uk.com,www.sunwin11.us.com,www.firstcall.eu.com,www.iez.uk.com
PORT: 80,443,4444,4782,5555,6060,6666,8080,8848
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2026-01-06 16:35:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default defense_evasion execution persistence rat
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Async RAT payload
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
ipv6.eu.com:8848
ipv6.eu.com:443
ipv6.eu.com:80
ipv6.eu.com:8080
ipv6.eu.com:6060
ipv6.eu.com:4782
ipv6.eu.com:4444
ipv6.eu.com:6666
ipv6.eu.com:5555
zun.uk.com:8848
zun.uk.com:443
zun.uk.com:80
zun.uk.com:8080
zun.uk.com:6060
zun.uk.com:4782
zun.uk.com:4444
zun.uk.com:6666
zun.uk.com:5555
sunwin11.us.com:8848
sunwin11.us.com:443
sunwin11.us.com:80
sunwin11.us.com:8080
sunwin11.us.com:6060
sunwin11.us.com:4782
sunwin11.us.com:4444
sunwin11.us.com:6666
sunwin11.us.com:5555
firstcall.eu.com:8848
firstcall.eu.com:443
firstcall.eu.com:80
firstcall.eu.com:8080
firstcall.eu.com:6060
firstcall.eu.com:4782
firstcall.eu.com:4444
firstcall.eu.com:6666
firstcall.eu.com:5555
iez.uk.com:8848
iez.uk.com:443
iez.uk.com:80
iez.uk.com:8080
iez.uk.com:6060
iez.uk.com:4782
iez.uk.com:4444
iez.uk.com:6666
iez.uk.com:5555
www.ipv6.eu.com:8848
www.ipv6.eu.com:443
www.ipv6.eu.com:80
www.ipv6.eu.com:8080
www.ipv6.eu.com:6060
www.ipv6.eu.com:4782
www.ipv6.eu.com:4444
www.ipv6.eu.com:6666
www.ipv6.eu.com:5555
www.zun.uk.com:8848
www.zun.uk.com:443
www.zun.uk.com:80
www.zun.uk.com:8080
www.zun.uk.com:6060
www.zun.uk.com:4782
www.zun.uk.com:4444
www.zun.uk.com:6666
www.zun.uk.com:5555
www.sunwin11.us.com:8848
www.sunwin11.us.com:443
www.sunwin11.us.com:80
www.sunwin11.us.com:8080
www.sunwin11.us.com:6060
www.sunwin11.us.com:4782
www.sunwin11.us.com:4444
www.sunwin11.us.com:6666
www.sunwin11.us.com:5555
www.firstcall.eu.com:8848
www.firstcall.eu.com:443
www.firstcall.eu.com:80
www.firstcall.eu.com:8080
www.firstcall.eu.com:6060
www.firstcall.eu.com:4782
www.firstcall.eu.com:4444
www.firstcall.eu.com:6666
www.firstcall.eu.com:5555
www.iez.uk.com:8848
www.iez.uk.com:443
www.iez.uk.com:80
www.iez.uk.com:8080
www.iez.uk.com:6060
www.iez.uk.com:4782
www.iez.uk.com:4444
www.iez.uk.com:6666
www.iez.uk.com:5555
Verdict:
Malicious
Tags:
rat asyncrat Win.Packed.Razy-9807129-0
YARA:
Windows_Generic_Threat_ce98c4bc asyncrat win_asyncrat_unobfuscated
Unpacked files
SH256 hash:
07633175862d8e362fc8b19dad17e955528c2ffb7afd164ebaa06496ef3d3bd2
MD5 hash:
c10f8301f217bbfdbdcc915f27f3cd76
SHA1 hash:
6a5038bdadd12ae1b5c8830a32fc75d881b45309
Detections:
AsyncRAT DCRat
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:AcRat
Author:Nikos 'n0t' Totosis
Description:AcRat Payload (based on AsyncRat)
Rule name:dcrat
Author:jeFF0Falltrades
Rule name:dcrat_kingrat
Author:jeFF0Falltrades
Rule name:dcrat_rkp
Author:jeFF0Falltrades
Description:Detects DCRat payloads
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:Mal_WIN_AsyncRat_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect AsyncRAT implant.
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Sus_CMD_Powershell_Usage
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
Author:Elastic Security
Rule name:win_asyncrat_unobfuscated
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.

Web download

AsyncRAT

Executable exe 07633175862d8e362fc8b19dad17e955528c2ffb7afd164ebaa06496ef3d3bd2

(this sample)

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