MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50cc18e65b1e6ca61f84eb2e255af53d1088db17585675c7eccc7a2236c13606. 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


XWorm


Vendor detections: 14


Intelligence 14 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 50cc18e65b1e6ca61f84eb2e255af53d1088db17585675c7eccc7a2236c13606
SHA3-384 hash: 7e4858100f85eab9dabd34fc48290504dcbee7bb8584c7579174f34854c4cf7f6d4c9a0c72311a5cb44d07e6272d2291
SHA1 hash: f5279fab9888b810cbdebebb8eab8d8025228023
MD5 hash: b51dbe03a7d7ed5046b6c75593ec2090
humanhash: victor-utah-uranus-salami
File name:bKQS.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:56'832 bytes
First seen:2023-10-06 17:48:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 1536:MmwablEM7GSILzczbVFos9ptzOMlz7bB42:MRJpzczbVr9Oiz7y2
Threatray 72 similar samples on MalwareBazaar
TLSH T150437D1837F6812AE5FF6FB119E261A6D33AF3135912DA5F20C4024A1B27A88CD417F9
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter pmelson
Tags:exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
313
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
Win.Packed.njRAT-10002074-1
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

ditekSHen.MALWARE.Win.XWorm.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm asyncrat asyncrat lolbin replace
Link:
https://www.filescan.io/uploads/65204890426c8727d6f159bf/reports/b2666272-3a7b-4524-b3c1-039f1e8c739e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/50cc18e65b1e6ca61f84eb2e255af53d1088db17585675c7eccc7a2236c13606
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3c8241c6-f414-4df1-bd11-d8493c0130ea
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1321178
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/50cc18e65b1e6ca61f84eb2e255af53d1088db17585675c7eccc7a2236c13606/
Threat name:
ByteCode-MSIL.Trojan.XWorm
Create hunting rule
Status:
Malicious
First seen:
2023-03-26 07:20:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kdgbrzs3dzwkmh4e5mxckwxvhuiirwyxlblhlr7mzr5cenwbgyda._file
Verdict:
malicious
Similar samples:
0b04d44318591e8dde1ac1cdd2ae725f97932aac7a471eacecf604bb1b76c898
XWorm
72e72897d0386da8763e998e2b32cc996e500fe3db22556880cfb7b53f66199d
XWorm
83b91f098157b5ba0147972c1d5c4d751d66fc59d7645e2e643ce863101f6d52
XWorm
90e01d9e7329b5ece0778944afd455fa2cc55b27e4d78d7bc3f6a884a3b01c3d
XWorm
979d8beb1cdb03b48e13beb8034136aeb2899bf437ce1483cff67976a0706db2
XWorm
9c047638b906f4c825ac82e04cdcfeadcd724a00984b74158fae664da5da8bc4
XWorm
cf479eb23e6252acce467b8cfc14182ac725659ef8fa5c28b9271a067756955c
XWorm
d9c88ab29f40ca6865aa0b0a99e8fe0ad9e00d57c88e084e94d70bf2ecf53b62
XWorm
ecfe634b75153c27d0e4bcaf3bf931aca1b64189254c8e08ffb04dc603915a55
XWorm
f0b72304c04c20c2fd7656fd43b3c916d92c7c89382a2e9a2ece614a90e61a10
XWorm
+ 62 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/231006-wd1gjaeg4t/
Behaviour
Suspicious use of AdjustPrivilegeToken
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
serverwindor.duckdns.org:5000
Unpacked files
SH256 hash:
50cc18e65b1e6ca61f84eb2e255af53d1088db17585675c7eccc7a2236c13606
MD5 hash:
b51dbe03a7d7ed5046b6c75593ec2090
SHA1 hash:
f5279fab9888b810cbdebebb8eab8d8025228023
Detections:
XWorm
Create hunting rule
Link:
https://www.unpac.me/results/c4d22aa2-3d4f-4708-8031-4b406165c179/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/50cc18e65b1e6ca61f84eb2e255af53d1088db17585675c7eccc7a2236c13606

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:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
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: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: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:win_delivery_check_g0
Create hunting rule

File information

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

Web download

XWorm

Executable exe 50cc18e65b1e6ca61f84eb2e255af53d1088db17585675c7eccc7a2236c13606

(this sample)

  
Link
https://www.virustotal.com/gui/file/50cc18e65b1e6ca61f84eb2e255af53d1088db17585675c7eccc7a2236c13606/detection
  
Delivery method
Distributed via web download

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