MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12c2b8ca8d4b2d8436acbbf3d301ed12c08af88fda70a6b2755dc3051e5212f8. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 12c2b8ca8d4b2d8436acbbf3d301ed12c08af88fda70a6b2755dc3051e5212f8
SHA3-384 hash: 8cb3aa0507200fbb63831dfd1bf494b949627147c60dd3a48c77bea70a62d0b46961fad725452fc56e6ad530e7b55ac5
SHA1 hash: d928b41cdfde190c397aa64a4a87fe7813a77054
MD5 hash: caaf54c2b00bf752ae08c410f59282a2
humanhash: sodium-zulu-march-fix
File name:20250520_172041_A27_bat.bat
Download: download sample
Signature XWorm
Create hunting rule
File size:1'773 bytes
First seen:2025-05-25 12:04:31 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 48:zUMB1MXHY7sfJKu+oV93GZdJPpRTSvz5siIOnhotg0:D1gEQZ5G9PpNuJIOnC
Threatray 257 similar samples on MalwareBazaar
TLSH T1A13165033815A1309A76CF8DE1E96FF8C17BABC31B43FED4349285143927266C0493D5
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika batch
Reporter 01Xyris
Tags:bat xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20250520_172041_A27_bat.bat
Verdict:
No threats detected
Analysis date:
2025-05-25 12:09:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/79041654-79aa-4b2a-af51-632332c9ce4b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6833085644c3881e854d2984
Tags:
dropper emotet shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
attrib cscript evasive lolbin obfuscated powershell
Link:
https://www.filescan.io/uploads/68330788fd02ed5e0586e348/reports/ffd876ce-15db-48de-81ed-1f15f36f7217/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/12c2b8ca8d4b2d8436acbbf3d301ed12c08af88fda70a6b2755dc3051e5212f8
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1698758
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected malicious Powershell script
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Command shell drops VBS files
Compiles code for process injection (via .Net compiler)
Creates a thread in another existing process (thread injection)
Creates autostart registry keys with suspicious values (likely registry only malware)
Found malware configuration
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the prolog of user mode functions (user mode inline hooks)
Sample uses string decryption to hide its real strings
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Invoke-WebRequest Execution
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suspicious powershell command line found
Writes to foreign memory regions
Yara detected Powershell decode and execute
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1698758 Sample: 20250520_172041_A27_bat.bat Startdate: 25/05/2025 Architecture: WINDOWS Score: 100 76 drive.usercontent.google.com 2->76 80 Found malware configuration 2->80 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus detection for URL or domain 2->84 86 15 other signatures 2->86 13 cmd.exe 2 2->13         started        signatures3 process4 file5 74 C:\Users\user\AppData\...\_run_hidden.vbs, ASCII 13->74 dropped 108 Suspicious powershell command line found 13->108 110 Command shell drops VBS files 13->110 112 Bypasses PowerShell execution policy 13->112 17 cscript.exe 2 13->17         started        19 conhost.exe 13->19         started        signatures6 process7 process8 21 cmd.exe 2 17->21         started        signatures9 90 Suspicious powershell command line found 21->90 24 powershell.exe 22 21->24         started        28 powershell.exe 14 16 21->28         started        31 reg.exe 1 1 21->31         started        33 2 other processes 21->33 process10 dnsIp11 68 C:\Users\user\AppData\...\qmwdu4tq.cmdline, Unicode 24->68 dropped 92 Injects code into the Windows Explorer (explorer.exe) 24->92 94 Writes to foreign memory regions 24->94 96 Creates a thread in another existing process (thread injection) 24->96 35 explorer.exe 43 8 24->35 injected 38 csc.exe 3 24->38         started        78 drive.usercontent.google.com 142.250.176.1, 443, 49715 GOOGLEUS United States 28->78 70 C:\Users\user\AppData\Roaming\...\MpEng.ps1, ASCII 28->70 dropped 98 Compiles code for process injection (via .Net compiler) 28->98 100 Creates autostart registry keys with suspicious values (likely registry only malware) 31->100 file12 signatures13 process14 file15 88 Suspicious powershell command line found 35->88 41 powershell.exe 35->41         started        45 powershell.exe 25 35->45         started        66 C:\Users\user\AppData\Local\...\qmwdu4tq.dll, PE32 38->66 dropped 47 cvtres.exe 1 38->47         started        signatures16 process17 file18 72 C:\Users\user\AppData\Local\...\mybzst4d.0.cs, C++ 41->72 dropped 102 Injects code into the Windows Explorer (explorer.exe) 41->102 104 Writes to foreign memory regions 41->104 106 Creates a thread in another existing process (thread injection) 41->106 49 csc.exe 3 41->49         started        52 conhost.exe 41->52         started        54 csc.exe 3 45->54         started        56 conhost.exe 45->56         started        signatures19 process20 file21 62 C:\Users\user\AppData\Local\...\mybzst4d.dll, PE32 49->62 dropped 58 cvtres.exe 1 49->58         started        64 C:\Users\user\AppData\Local\...\zh405zph.dll, PE32 54->64 dropped 60 cvtres.exe 1 54->60         started        process22
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/12c2b8ca8d4b2d8436acbbf3d301ed12c08af88fda70a6b2755dc3051e5212f8/
Threat name:
Script-PowerShell.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-05-25 12:05:13 UTC
File Type:
Binary
AV detection:
6 of 38 (15.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=clblrsunjmwyinvmxpz5gapnclaiv6ep3jyknmtvlxbqkhsscl4a._file
Verdict:
malicious
Label(s):
donut_injector
Create hunting rule
Similar samples:
1e5fc304b652513c9c10b693922b4cf1174e5cc5ecc06241e3a286479fb89a1f
XWorm
206d0afc6ecb2c256be8c0cf2b341a71f305b28111f80f89c8f4d425b553de89
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4364d77092f2f40968b3aa06fe458a88f319e844f60902d28ef4a4752da21538
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4b7a85411716775d966284e879a6bda87feade4c9f40cb94ade6e217793e8a84
XWorm
bb032095d58c9fe40f6e0faee14a196e76ba4a2e2fc0240dfaccbb4afa926d69
XWorm
d08c0197f69f9b77a3396a6f07c4432ed0bc3e5e0e450aed5f14f1aa42eda53e
XWorm
e3ef1c4bd2a11cfbf55001d9581f3c10b881d6561bda19dab5b1a96f77c4fa89
XWorm
error
XWorm
+ 247 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:donutloader family:xworm execution loader persistence rat trojan
Link:
https://tria.ge/reports/250525-n9b5tastgv/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Xworm
Xworm family
Detect Xworm Payload
Detects DonutLoader
DonutLoader
Donutloader family
Malware Config
C2 Extraction:
epicskillforge.com:7078
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/12c2b8ca8d4b2d8436acbbf3d301ed12c08af88fda70a6b2755dc3051e5212f8

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:obfuscated_BAT
Create hunting rule
Author:@warz_s
Description:Identifies obfuscated BAT files
Reference:https://github.com/secwarz/YaraRules

File information

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

  
Dropped by
XWorm

Comments