MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4862dbce922841b392d640cc9469fa48b53509cdd81ca783d851a7537b6478d. 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: 19


Intelligence 19 IOCs YARA 17 File information Comments

SHA256 hash: f4862dbce922841b392d640cc9469fa48b53509cdd81ca783d851a7537b6478d
SHA3-384 hash: 9ae99f3284496629acceb8527901bcfa5662c50030773df9d79bf04cedb5d728da62ac743a3a81b09c3a75f323bd27c2
SHA1 hash: 6c974e5dada1d0dbbea5e55d7234005fe6a18b95
MD5 hash: d0ae4494344a09e5591e190f8ece7c45
humanhash: quiet-six-wyoming-nineteen
File name:2025_COTIZACION OCT.exe
Download: download sample
Signature AsyncRAT
File size:793'600 bytes
First seen:2025-10-13 17:58:01 UTC
Last seen:2025-11-06 10:20:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:qxp1iKbDNgFd/GxkAlJX5kcu+FdX1uxwWFEJjzuFxyLqZE4:gFgb/GiAljl1uxwWAjU24
Threatray 24 similar samples on MalwareBazaar
TLSH T199F4AD6227E85B58F5BEAB3E657015014BF1FC16EB32EA1D3EA450DD0861F81C962B33
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 James_inthe_box
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
149
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_f4862dbce922841b392d640cc9469fa48b53509cdd81ca783d851a7537b6478d.exe
Verdict:
Suspicious activity
Analysis date:
2025-10-13 17:58:14 UTC
Tags:
httpdebugger tool auto-startup

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
virus micro remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypt lolbin obfuscated obfuscated packed reconnaissance tracker vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-13T10:02:00Z UTC
Last seen:
2025-10-14T16:00:00Z UTC
Hits:
~1000
Detections:
Backdoor.MSIL.XWorm.b Backdoor.Agent.TCP.C&C Trojan.MSIL.Inject.c Trojan.MSIL.Inject.b Trojan.MSIL.Crypt.sb PDM:Trojan.Win32.Generic HEUR:Trojan.MSIL.Crypt.gen
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.84 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Status:
Malicious
First seen:
2025-10-13 17:57:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:darktortilla family:xworm crypter discovery loader rat trojan
Behaviour
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
Drops startup file
Darktortilla
Darktortilla family
Detect Xworm Payload
Detects Darktortilla crypter.
Xworm
Xworm family
Malware Config
C2 Extraction:
petro4prime.ydns.eu:5909
Unpacked files
SH256 hash:
f4862dbce922841b392d640cc9469fa48b53509cdd81ca783d851a7537b6478d
MD5 hash:
d0ae4494344a09e5591e190f8ece7c45
SHA1 hash:
6c974e5dada1d0dbbea5e55d7234005fe6a18b95
SH256 hash:
a341c8b43658a80d65dda8520bfeb7886d86d78be5b4eaf47ec921fe3f5701b8
MD5 hash:
9f26991fd8e650b259d6d5beac3e9748
SHA1 hash:
55f68e3eafbbba9e0dc5ea413eb1b4f734d43204
SH256 hash:
222b04688d1e2030192b188f099ecfd52bd7af6b986ac93e141a80f2766da879
MD5 hash:
c71e17acab65a4dd054c78c0481c7674
SHA1 hash:
63b0d563f15ab5b92c337ef37d741004623d0f62
SH256 hash:
2673d470353413edfb567ff7479395dc52824db6469520ebe8d91dbca2bccac2
MD5 hash:
e5be1fdba36d5032726313afe4c7dd63
SHA1 hash:
c65ebe77906cec3bcb5e805a327f1aa823be57ca
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:ByteCode_MSIL_Backdoor_AsyncRAT
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
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: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:win_xworm_w0
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Author:jeFF0Falltrades
Rule name:xworm_kingrat
Author:jeFF0Falltrades

File information


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

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