MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8e3240539b9d124c081506af59cf87d47b89139e423894063ac9389697b49a2. 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: 10


Intelligence 10 IOCs YARA 49 File information Comments
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SHA256 hash: d8e3240539b9d124c081506af59cf87d47b89139e423894063ac9389697b49a2
SHA3-384 hash: 8977f3d5bb09c15f3ca937ad5d81470a819d289ec009048e632bc14339bc262a4399e4732fd52b2e6bca32a9821fc9b1
SHA1 hash: ec2d66eda700465a1a561dfe8798fb5767689809
MD5 hash: e056c9911e825c31739b813e3394f738
humanhash: kansas-nebraska-happy-connecticut
File name:Doc_00002.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:62'281'128 bytes
First seen:2025-02-13 10:04:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 66b10d8b5718b0fd6fb4865843d44280 (9 x FixStealer, 4 x AsyncRAT, 3 x NodeLoader)
ssdeep 393216:q76L6otUitqtH7wHtXq2pt2jbOCacCFIK0fpP9HF4VW8yfRnVQx4urYsANulL7Nr:q0LoCOn+2Rs4urYDNulLBiuX
Threatray 2'399 similar samples on MalwareBazaar
TLSH T105D7CE0372E60095E8B7D2388AA75503D773B8635731DACF32AD06152FBBAD4997B720
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
File icon (PE):PE icon
dhash icon a8f2e3e39393aa00 (2 x AsyncRAT, 1 x LummaStealer, 1 x XWorm)
Reporter JAMESWT_WT
Tags:AsyncRAT exe favor-ydns-eu xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
455
Origin country :
IT IT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67adc3fe28ab76d43a5ab72c
Tags:
vmdetect emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file
Launching a process
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm crypto evasive expand fingerprint lolbin microsoft_visual_cc obfuscated overlay packed pkg
Link:
https://www.filescan.io/uploads/67adc3f15c9e85f789673380/reports/41b9e2ab-d827-4479-befc-a74b96a900d3/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/d8e3240539b9d124c081506af59cf87d47b89139e423894063ac9389697b49a2
Result
Verdict:
UNKNOWN
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1614141
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
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1614141 Sample: Doc_00002.exe Startdate: 13/02/2025 Architecture: WINDOWS Score: 100 64 favor.ydns.eu 2->64 74 Suricata IDS alerts for network traffic 2->74 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 8 other signatures 2->80 9 Doc_00002.exe 12 2->9         started        12 cmd.exe 1 2->12         started        14 cmd.exe 2->14         started        signatures3 process4 file5 56 C:\Users\user\AppData\Local\Temp\...\xw.exe, PE32+ 9->56 dropped 58 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 9->58 dropped 60 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 9->60 dropped 62 4 other files (none is malicious) 9->62 dropped 16 xw.exe 1 12 9->16         started        20 conhost.exe 9->20         started        22 xw.exe 1 12->22         started        24 conhost.exe 12->24         started        26 xw.exe 1 14->26         started        28 conhost.exe 14->28         started        process6 file7 48 C:\Users\user\SystemRootDoc\xw.exe, PE32+ 16->48 dropped 50 C:\Users\user\...\vcruntime140_1.dll, PE32+ 16->50 dropped 52 C:\Users\user\...\vcruntime140.dll, PE32+ 16->52 dropped 54 4 other files (none is malicious) 16->54 dropped 68 Writes to foreign memory regions 16->68 70 Allocates memory in foreign processes 16->70 72 Injects a PE file into a foreign processes 16->72 30 AddInProcess32.exe 16->30         started        33 InstallUtil.exe 16->33         started        35 AddInProcess32.exe 2 22->35         started        38 conhost.exe 22->38         started        40 InstallUtil.exe 1 26->40         started        42 conhost.exe 26->42         started        44 AddInProcess32.exe 26->44         started        signatures8 process9 dnsIp10 82 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 30->82 46 WerFault.exe 2 33->46         started        66 favor.ydns.eu 178.215.224.234, 2627, 49711, 49712 LVLT-10753US Germany 35->66 signatures11 process12
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d8e3240539b9d124c081506af59cf87d47b89139e423894063ac9389697b49a2
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3drsibjzxhisjqebkbvplhhypvd3rejz4qrysqddvsjys2l3jgra._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
48e07efb20903e74d800dfd9cd450fd1ee206e27ea4681b4c46e0e225b788b15
AsyncRAT
4fdaa4266620e0871b078e2ec55e3eb40039e790dd3ea4553e8f631b593ac28c
AsyncRAT
6840b6d84f7c7190424fd465e466e2477e7c8a781457e2c6dcd523df498cea3d
AsyncRAT
8048406056b1a1a91b56725c1c0b89e3b8060bf5a45861484a73728d222ccbc2
AsyncRAT
929781941202c78878fbbf8e872f8559cdbd074c4e37f9dfcc8164422fbf9ddc
AsyncRAT
cfe5641a801f7e3123992589a5543f667d77d86e2880c1163fa61517d4bcfb2c
AsyncRAT
error
AsyncRAT
+ 2'389 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery persistence rat trojan
Link:
https://tria.ge/reports/250213-l4q1nsxkgs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
favor.ydns.eu:2627
:77777
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2978f55a-1de3-40a0-a3b6-185c24c11bc2
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:ach_202409_html_FedEx_phish
Create hunting rule
Author:abuse.ch
Description:Detects potential HTML FedEx phishing forms
Rule name:APT_Bitter_ZxxZ_Downloader
Create hunting rule
Author:SECUINFRA Falcon Team (@SI_FalconTeam)
Description:Detects Bitter (T-APT-17) ZxxZ Downloader
Reference:https://www.secuinfra.com/en/techtalk/whatever-floats-your-boat-bitter-apt-continues-to-target-bangladesh
Rule name:attack_India
Create hunting rule
Rule name:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:ByteCode_MSIL_Backdoor_AsyncRAT
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:cobalt_strike_beacon_detected
Create hunting rule
Author:0x0d4y
Description:This rule detects cobalt strike beacons.
Rule name:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:cybercrime_swica_html
Create hunting rule
Author:Marc
Description:HTML with swica
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Glasses
Create hunting rule
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Create hunting rule
Author:Seth Hardy
Description:Glasses code features
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Mimikatz_Generic
Create hunting rule
Author:Still
Description:attempts to match all variants of Mimikatz
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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:skip20_sqllang_hook
Create hunting rule
Author:Mathieu Tartare <mathieu.tartare@eset.com>
Description:YARA rule to detect if a sqllang.dll version is targeted by skip-2.0. Each byte pattern corresponds to a function hooked by skip-2.0. If $1_0 or $1_1 match, it is probably targeted as it corresponds to the hook responsible for bypassing the authentication.
Reference:https://www.welivesecurity.com/
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_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:test_Malaysia
Create hunting rule
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants
Rule name:Windows_Trojan_XWorm_b7d6eaa8
Create hunting rule
Author:Elastic Security
Rule name:win_xworm_bytestring
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_w0
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Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:without_attachments
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Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the no presence of any attachment
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:with_urls
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:xworm
Create hunting rule
Author:jeFF0Falltrades
Rule name:xworm_kingrat
Create hunting rule
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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