MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55c7df73987110622c80d01a2ebddab323fc212e55f9453a7992ae91c04da10e. 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: 16


Intelligence 16 IOCs YARA 24 File information Comments 1

SHA256 hash: 55c7df73987110622c80d01a2ebddab323fc212e55f9453a7992ae91c04da10e
SHA3-384 hash: d946a2abe98326f570ba51caa383fca6ecb8f505dfe61d0c8c9277eac4b1819e5fc8cdbc8f2abab1c6cd619ba346f9cb
SHA1 hash: 75bac007567328fa69416b1a6a47ae4ffd4895ac
MD5 hash: c15f413949ee91f6794b06e0ecbeb102
humanhash: orange-nineteen-alaska-winner
File name:SecuriteInfo.com.Trojan.Mardom.IN.15.2200.11686
Download: download sample
Signature AsyncRAT
File size:2'346'496 bytes
First seen:2025-06-04 08:39:33 UTC
Last seen:2025-06-04 09:48:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:BCeQjg5ym3Qc9wzmmTqE5Mjyjg0wjg08jQIB4vKWoNr4KQlnT17cFPucV+eg:BCZbTjMjyk0wjg0vImyAKQbiucV+H
TLSH T115B593A280D95E51C3B53E32D236DBA248F51333990BEA92D23F26970F51F7C75816E8
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 SecuriteInfoCom
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
343
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Malicious
Score:
97.4%
Tags:
infosteal autorun rapid
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process with a hidden window
Sending a custom TCP request
Creating a window
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 cryptor_detected net_reactor obfuscated packed packed
Result
Threat name:
PureLog Stealer, XWorm
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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses threadpools to delay analysis
Writes to foreign memory regions
Yara detected PureLog Stealer
Yara detected Telegram RAT
Yara detected XWorm
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.DCRat
Status:
Malicious
First seen:
2025-06-04 08:40:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery execution persistence rat trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Drops startup file
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Verdict:
Malicious
Tags:
external_ip_lookup
YARA:
n/a
Unpacked files
SH256 hash:
55c7df73987110622c80d01a2ebddab323fc212e55f9453a7992ae91c04da10e
MD5 hash:
c15f413949ee91f6794b06e0ecbeb102
SHA1 hash:
75bac007567328fa69416b1a6a47ae4ffd4895ac
SH256 hash:
bedbc0d437fc49da17fe09fc6bfe0e83aa3e75896e1b41f8aff6df525efaaa70
MD5 hash:
83a6dc2ab2c74a57b0b84b8240cbe059
SHA1 hash:
538d60efb0624bc85da64b2386d155b3f5ef566a
Detections:
win_xworm_w0 XWorm win_xworm_bytestring win_xworm_simple_strings win_mal_XWorm INDICATOR_SUSPICIOUS_EXE_TelegramChatBot INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MALWARE_Win_AsyncRAT MALWARE_Win_XWorm
SH256 hash:
c585c3993f5607253085d0f8c2f6225dd82a39876b381d55081900ba91ea1942
MD5 hash:
f2470dccd6a952b435520e777e1e80a1
SHA1 hash:
9468ca56774f502fb0d54be6f3594f667dc991ad
Detections:
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:ByteCode_MSIL_Backdoor_AsyncRAT
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:DotNet_Reactor
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:EXE_RAT_XWorm_April2024
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
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:pe_imphash
Rule name:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
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:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:win_xworm_bytestring
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_simple_strings
Author:Matthew @ Embee_Research
Description:Detects simple strings present in unobfuscated xworm
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.

Web download

AsyncRAT

Executable exe 55c7df73987110622c80d01a2ebddab323fc212e55f9453a7992ae91c04da10e

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments



Avatar
commented on 2025-06-04 08:41:52 UTC

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

{
"sha256": "55c7df73987110622c80d01a2ebddab323fc212e55f9453a7992ae91c04da10e",
"yara_possible_family": "No match",
"key": "None",
"salt": "None",
"config": {
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009b\u0096": false,
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009b\u009c": false,
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009b\u009d": false,
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009c\u0087": false,
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009c\u008b": "null",
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009a\u009a": false,
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009c\u008a": "null",
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009b\u009b": false,
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009b\u0094": false,
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009b\u0087": "null",
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009c\u008d": "null",
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009b\u0099": "null",
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009c\u008c": "null",
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009a\u009e": false,
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009c\u008e": "null",
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009b\u0098": "null",
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009b\u008b": "null",
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009a\u009d": false,
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009b\u008c": "null",
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009b\u0089": false,
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009a\u009c": "78a46ad756b7c7e8db702024eecebdc1af0f7cf52ac68747134630a8019546fdd8988069aff7448bb15bffffbed75c892211906b937198fd8e4379a62108b449",
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009c\u0089": "null",
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009b\u0093": true,
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009b\u009e": false,
"\u0086\u0086\u0086\r\n\u0086\u0086\u0086\u0099\u009b\u0086": "null"
}
}