MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ca4a73b1076d2c6c0b97b3544919281b091e260f4970f62ae7f1cbcb9cc5e74. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ca4a73b1076d2c6c0b97b3544919281b091e260f4970f62ae7f1cbcb9cc5e74
SHA3-384 hash: 3945ea96bfff47c8de6d988970e956d0c3f72ffe264658a41885ffc49b7949f14a23398696734226f106f7708b177019
SHA1 hash: 12a675e6434764b98335440220864bdffeb6cbfc
MD5 hash: a6506ab7846f51acccb092a6164c7677
humanhash: green-washington-pasta-cup
File name:BootstrapperNew.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:2'603'520 bytes
First seen:2025-03-25 00:45:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 49152:ZZPjorfOAfRxx13BIq8IYpSqxN7XGQKoBaJ3RIrMQJZipKE1:ZZkzD73i7pSqxNV5wQJwd1
Threatray 1'104 similar samples on MalwareBazaar
TLSH T180C533C4EAAA0712E0D7A9FA9DFF7081643ED55460C56F69840719340A7E1CBB0DCAAE
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 BastianHein
Tags:exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
560
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BootstrapperNew.exe
Verdict:
Malicious activity
Analysis date:
2025-03-24 23:49:57 UTC
Tags:
evasion xworm remote
Link:
https://app.any.run/tasks/d0fc42da-63b0-44c6-9713-84a9b26f046e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e1efa4acb044ea849e88ca
Tags:
asyncrat dropper micro remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67e1fcd3de7b23ce172025e0/reports/89d0632b-8e56-45ad-ada1-564d08f312a5/overview
Verdict:
Malicious
Labled as:
MSIL.Packy.Generic
Link:
https://www.hybrid-analysis.com/sample/1ca4a73b1076d2c6c0b97b3544919281b091e260f4970f62ae7f1cbcb9cc5e74
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/9d46bb51-2e5a-428b-a4d2-fd6ccba26445
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1647593
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)
Drops PE files with benign system names
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
Protects its processes via BreakOnTermination flag
Sample uses string decryption to hide its real strings
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Schedule system process
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: System File Execution Location Anomaly
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Costura Assembly Loader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1647593 Sample: BootstrapperNew.exe Startdate: 25/03/2025 Architecture: WINDOWS Score: 100 60 remember-gene.gl.at.ply.gg 2->60 62 ip-api.com 2->62 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for URL or domain 2->72 74 17 other signatures 2->74 9 BootstrapperNew.exe 4 2->9         started        13 svchost.exe 2->13         started        15 svchost.exe 2->15         started        17 7 other processes 2->17 signatures3 process4 dnsIp5 52 C:\Users\user\AppData\Local\Temp\roblox.exe, PE32 9->52 dropped 54 C:\Users\user\AppData\...\BootstrapperNew.exe, PE32+ 9->54 dropped 56 C:\Users\user\...\BootstrapperNew.exe.log, CSV 9->56 dropped 86 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->86 20 roblox.exe 15 5 9->20         started        25 BootstrapperNew.exe 17 9->25         started        88 Changes security center settings (notifications, updates, antivirus, firewall) 13->88 27 MpCmdRun.exe 13->27         started        90 Antivirus detection for dropped file 15->90 58 127.0.0.1 unknown unknown 17->58 file6 signatures7 process8 dnsIp9 64 remember-gene.gl.at.ply.gg 147.185.221.27, 9389 SALSGIVERUS United States 20->64 66 ip-api.com 208.95.112.1, 49715, 80 TUT-ASUS United States 20->66 50 C:\Users\user\AppData\Local\svchost.exe, PE32 20->50 dropped 76 Antivirus detection for dropped file 20->76 78 Protects its processes via BreakOnTermination flag 20->78 80 Bypasses PowerShell execution policy 20->80 84 5 other signatures 20->84 29 powershell.exe 23 20->29         started        32 powershell.exe 20->32         started        34 powershell.exe 20->34         started        38 2 other processes 20->38 82 Multi AV Scanner detection for dropped file 25->82 36 conhost.exe 27->36         started        file10 signatures11 process12 signatures13 92 Loading BitLocker PowerShell Module 29->92 40 conhost.exe 29->40         started        42 conhost.exe 32->42         started        44 conhost.exe 34->44         started        46 conhost.exe 38->46         started        48 conhost.exe 38->48         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1ca4a73b1076d2c6c0b97b3544919281b091e260f4970f62ae7f1cbcb9cc5e74
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ca4a73b1076d2c6c0b97b3544919281b091e260f4970f62ae7f1cbcb9cc5e74/
Threat name:
ByteCode-MSIL.Trojan.XWormRAT
Create hunting rule
Status:
Malicious
First seen:
2025-03-24 23:49:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dsskooyqo3jmnqfzpm2ujemsqgyjdyta6slq6yvop4olzoomlz2a._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
1ca4a73b1076d2c6c0b97b3544919281b091e260f4970f62ae7f1cbcb9cc5e74
XWorm
5c7d96455bbb045cb3cb3726d7b4fff2d0810a21d7fdb34ad134696aa7f47d5e
XWorm
61ff54eea849d84021c17ec0f2a0a7d59520ca138c3804c9db758805d5a8bf9f
XWorm
e8ce9ca643e44391da9ebc5f27ac19cf8d0f2f893e96184a42b86dc2707c12cb
XWorm
error
XWorm
f581f390c784fb3e67024ab96a26a67cd057645005ec46f84a0ba8aa4f89e92d
XWorm
+ 1'094 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/250325-a4pxtsyvgs/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
remember-gene.gl.at.ply.gg:9389
Verdict:
Malicious
Tags:
external_ip_lookup
YARA:
n/a
Link:
https://app.threat.zone/submission/add83741-8a06-4bed-92d1-c3b104f8b4b8
Unpacked files
SH256 hash:
1ca4a73b1076d2c6c0b97b3544919281b091e260f4970f62ae7f1cbcb9cc5e74
MD5 hash:
a6506ab7846f51acccb092a6164c7677
SHA1 hash:
12a675e6434764b98335440220864bdffeb6cbfc
Link:
https://www.unpac.me/results/e6ea8922-4724-46c2-a815-e0b940f18919/
SH256 hash:
cb5d6c1ca0aa6232a2d55e14b20ac4a9945a0bd063c57d60a5ed3ae94160e3e8
MD5 hash:
f227cdfd423b3cc03bb69c49babf4da3
SHA1 hash:
3db5a97d9b0f2545e7ba97026af6c28512200441
Detections:
INDICATOR_EXE_Packed_Fody
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Create hunting rule
Link:
https://www.unpac.me/results/e6ea8922-4724-46c2-a815-e0b940f18919/
Parent samples :
1ca4a73b1076d2c6c0b97b3544919281b091e260f4970f62ae7f1cbcb9cc5e74
494c215c4485565fbb9701f0b2dd709bd5be57d3463a827f7276f74fa6ef4b34
6c7fd8731d8b9cbb61ade117afbaa8e622437aae4b859dd50036cfbe857f0be5
f57a8361f3da23bb65b2498f4204cb6e22a129909bca742d8c2bb898590731b1
cb5d6c1ca0aa6232a2d55e14b20ac4a9945a0bd063c57d60a5ed3ae94160e3e8
SH256 hash:
4dc4aa3db5cc5989c820289038614e287dd347fbd6b64c697c89e6d52042c465
MD5 hash:
164ce479a8e750ae7f9ed94bf1a9dd70
SHA1 hash:
4365d349f9bba19c6568b1a7db444435c8f2a472
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/e6ea8922-4724-46c2-a815-e0b940f18919/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1ca4a73b1076/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/1ca4a73b1076d2c6c0b97b3544919281b091e260f4970f62ae7f1cbcb9cc5e74

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: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

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