MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b99cd41e40fa63ebe8efc4f1263d9fe3c0151a05ac580ee5421ca365f163e5ea. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b99cd41e40fa63ebe8efc4f1263d9fe3c0151a05ac580ee5421ca365f163e5ea
SHA3-384 hash: 3f7798bd2b3f2a16ee46a966971811aff2953b05a7ffb22321e3d3c09a19c0956e36a30a2f59e901d9c22fedc78a49e5
SHA1 hash: cfbc96fd3fa5230c196c31f797186a8b392ad9cc
MD5 hash: cbca5dca96068f3ef13e35b76432bf65
humanhash: texas-golf-stream-angel
File name:Extreme Injector v3.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:1'424'896 bytes
First seen:2025-03-16 17:42:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:kAOmi5Vm+lBnehvY2iPr93CeF1LH1Xt5QezP9tHtR9JSWmsMrlA18VnZAWQvjem:t4FdetMVCK1LVXXQezP3+Wgm18VeWoF
Threatray 1'034 similar samples on MalwareBazaar
TLSH T1A3653325B3AEC813C10F0EF2565163BB0F79B77DA9720B3B9B1036664D27836295C16E
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
dhash icon 58d8b26340809adc (7 x DCRat, 2 x XWorm, 1 x AsyncRAT)
Reporter aachum
Tags:DBatLoader exe ModiLoader Ransomware UmbralStealer xworm


Avatar
iamaachum
https://www.youtube.com/watch?v=9SPfeY9J-V4 => https://workupload.com/start/uc8wwDcCHbU

XWorm C2: century-descriptions.gl.at.ply.gg:56555

Intelligence

File Origin
# of uploads :
1
# of downloads :
543
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ExtremeInjectorv3.exe
Verdict:
Malicious activity
Analysis date:
2025-03-16 14:15:46 UTC
Tags:
autorun-reg github evasion autorun-startup xworm remote api-base64
Link:
https://app.any.run/tasks/80c553f0-7217-405c-be55-888b5ac7e17b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d6dd1108116ce425717b7a
Tags:
asyncrat autorun emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Sending a custom TCP request
Launching a process
Searching for the window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67d70db7dab9a7b6c59508ef/reports/37fd69b4-8551-41d2-aeea-6fce06ba6d21/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/b99cd41e40fa63ebe8efc4f1263d9fe3c0151a05ac580ee5421ca365f163e5ea
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/cfc0d866-6aa6-4521-b790-b1f87e8739a9
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1639940
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates multiple autostart registry keys
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1639940 Sample: Extreme Injector v3.exe Startdate: 16/03/2025 Architecture: WINDOWS Score: 100 69 century-descriptions.gl.at.ply.gg 2->69 71 raw.githubusercontent.com 2->71 73 ip-api.com 2->73 79 Suricata IDS alerts for network traffic 2->79 81 Found malware configuration 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 18 other signatures 2->85 9 Extreme Injector v3.exe 2 4 2->9         started        13 svchost.exe 2->13         started        15 svchost.exe 2->15 injected 17 8 other processes 2->17 signatures3 process4 dnsIp5 61 C:\Users\user\AppData\Local\...\MEMESENSE.exe, PE32 9->61 dropped 63 C:\Users\user\...xtreme Injector v3.exe, PE32 9->63 dropped 65 C:\Users\user\...xtreme Injector v3.exe.log, CSV 9->65 dropped 101 Creates multiple autostart registry keys 9->101 103 Adds a directory exclusion to Windows Defender 9->103 20 MEMESENSE.exe 14 3 9->20         started        24 powershell.exe 23 9->24         started        26 powershell.exe 23 9->26         started        28 Extreme Injector v3.exe 9->28         started        105 Changes security center settings (notifications, updates, antivirus, firewall) 13->105 30 MpCmdRun.exe 13->30         started        32 consent.exe 15->32         started        67 127.0.0.1 unknown unknown 17->67 34 Extreme Injector v3.exe 17->34         started        36 Extreme Injector v3.exe 17->36         started        file6 signatures7 process8 dnsIp9 75 ip-api.com 208.95.112.1, 49726, 80 TUT-ASUS United States 20->75 87 Antivirus detection for dropped file 20->87 89 Multi AV Scanner detection for dropped file 20->89 91 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 20->91 97 2 other signatures 20->97 38 powershell.exe 20->38         started        41 powershell.exe 20->41         started        43 powershell.exe 20->43         started        45 powershell.exe 20->45         started        93 Loading BitLocker PowerShell Module 24->93 47 conhost.exe 24->47         started        49 conhost.exe 26->49         started        77 raw.githubusercontent.com 185.199.108.133, 443, 49729, 49730 FASTLYUS Netherlands 28->77 51 conhost.exe 30->51         started        95 Writes to foreign memory regions 32->95 signatures10 process11 signatures12 99 Loading BitLocker PowerShell Module 38->99 53 conhost.exe 38->53         started        55 conhost.exe 41->55         started        57 conhost.exe 43->57         started        59 conhost.exe 45->59         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b99cd41e40fa63ebe8efc4f1263d9fe3c0151a05ac580ee5421ca365f163e5ea
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b99cd41e40fa63ebe8efc4f1263d9fe3c0151a05ac580ee5421ca365f163e5ea/
Threat name:
ByteCode-MSIL.Trojan.XWormRAT
Create hunting rule
Status:
Malicious
First seen:
2025-03-16 14:15:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgonihsa7jr6x2hpytysmpm74pabkgqfvrma5zkcdsrwl4ld4xva._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
14b1d8af7272d1c0d8dc18a5342ed0186a70e6b24610ba31026cb2532b5d37c8
XWorm
2bd38b201c0c2fd95fcdc6824cdce1952ae7ed0b89f1ee52be2a27341903318c
XWorm
37f4decd5be11194eff9bab5896494dac9c83821070a7aa8d2660067ed48197e
XWorm
902f94aa7222739a873f8f2805428e89822fc34842a0d731828ca0d6fce69dd6
XWorm
9bc496ac0d90cd6e804a1075d59967c809fc88ec67c844f8cdeb47153588dbb9
XWorm
error
XWorm
+ 1'024 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution persistence rat trojan
Link:
https://tria.ge/reports/250316-waltzazkt4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
century-descriptions.gl.at.ply.gg:56555
Verdict:
Malicious
Tags:
Win.Packed.Packy-10033570-0 external_ip_lookup
YARA:
n/a
Link:
https://app.threat.zone/submission/6973fc24-248a-4286-bb18-92d0d63f6934
Unpacked files
SH256 hash:
b99cd41e40fa63ebe8efc4f1263d9fe3c0151a05ac580ee5421ca365f163e5ea
MD5 hash:
cbca5dca96068f3ef13e35b76432bf65
SHA1 hash:
cfbc96fd3fa5230c196c31f797186a8b392ad9cc
Link:
https://www.unpac.me/results/c5b57e0c-8075-4e82-86bb-25dc39075339/
SH256 hash:
b65f40618f584303ca0bcf9b5f88c233cc4237699c0c4bf40ba8facbe8195a46
MD5 hash:
ec801a7d4b72a288ec6c207bb9ff0131
SHA1 hash:
32eec2ae1f9e201516fa7fcdc16c4928f7997561
Detections:
INDICATOR_EXE_Packed_Dotfuscator
Create hunting rule
INDICATOR_EXE_Packed_Goliath
Create hunting rule
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/c5b57e0c-8075-4e82-86bb-25dc39075339/
Parent samples :
c332bac5bfa6b4e806dbe65ff8b4041c7d931e6709349218f361437e1ae52c2f
261d6fc361222284586e133e152797651ecde629ac3243cf47dba5af1fa4c3cc
cc92c665e4e26f4bf880e69666f019f9d568533510d8ca3d5e4651c1e121231e
b99cd41e40fa63ebe8efc4f1263d9fe3c0151a05ac580ee5421ca365f163e5ea
709f5ad2bad14a2c881948f0ddb7b7f67e1b91ef981541f735c6a90e34c566fb
1691f0ab36468cfed1f7ebead04c3b46c11c4d8614aed53ff7060e7e7d669a4c
3847b2b3358e1367eea88ac614bcb5d760126b5a9fa59513966197b10b2f99a6
bdcdd7e8a1780076e09fa5f1635603ed07199a0f8a595e7ad5c089887d5a4cbf
dc8decaba2fbe09e0ca95485ed06376e65ba7e77869868beecf8f937747a213f
SH256 hash:
37f4decd5be11194eff9bab5896494dac9c83821070a7aa8d2660067ed48197e
MD5 hash:
ff3f0e9a9202fac2b13da6cc4a690526
SHA1 hash:
1622416290dcd2e45251cd2f84d12641f0c80980
Detections:
win_xworm_w0
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
Link:
https://www.unpac.me/results/c5b57e0c-8075-4e82-86bb-25dc39075339/
Parent samples :
b99cd41e40fa63ebe8efc4f1263d9fe3c0151a05ac580ee5421ca365f163e5ea
37f4decd5be11194eff9bab5896494dac9c83821070a7aa8d2660067ed48197e
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b99cd41e40fa/report/overview.html
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/b99cd41e40fa63ebe8efc4f1263d9fe3c0151a05ac580ee5421ca365f163e5ea

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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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: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)

File information

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

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 2025-03-16 17:44:56 UTC

tria.ge Run: https://tria.ge/250316-v5lxsayr18