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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 338cdb2b43dbdfdc6b8b702bfd150a35f443df7d45b210ca134d119a58be25fb. 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


Arsium


Vendor detections: 15


Intelligence 15 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 338cdb2b43dbdfdc6b8b702bfd150a35f443df7d45b210ca134d119a58be25fb
SHA3-384 hash: c137d2e017b22d9e37a139178e18ec7a14cff247198eaa595f74af99783ba3abe5926b50866ce87fb0a327da97ee0544
SHA1 hash: 76e0eb3a7c2858e7b706247994372114de18c155
MD5 hash: cf3c841367177b577ed88fb1b0aac215
humanhash: steak-juliet-east-victor
File name:338cdb2b43dbdfdc6b8b702bfd150a35f443df7d45b210ca134d119a58be25fb.bin
Download: download sample
Signature Arsium
Create hunting rule
File size:42'496 bytes
First seen:2026-11-10 11:55:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash ffa9b801f98ae30dad9e538103de89d4 (1 x Arsium)
ssdeep 768:22JD13gmlAL/ne4Ch9tDCijZ51NNlVqjkPCLD5utSSehW:2zL/e4KbDJ51NNlVMkVteW
TLSH T19713D749B39661DCCAB2E574E6FA6732E971FC600934AF3E0340C4692EA1E51D93DF06
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter kernelv0id
Tags:Arsium exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-11-10 16:29:04 UTC
Tags:
evasion auto-reg discord
Link:
https://app.any.run/tasks/39538621-d0b7-4e48-a88c-78045d949d6f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/99058/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6af3065d38dc20c444c383a0
Tags:
vmdetect
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating synchronization primitives
Creating a process with a hidden window
Searching for the window
Using the Windows Management Instrumentation requests
Running batch commands
Launching a process
Launching a service
Creating a window
Searching for synchronization primitives
Creating a file
Changing a file
Reading critical registry keys
Creating a file in the %temp% directory
DNS request
Connection attempt
Sending a custom TCP request
Deleting a recently created file
Launching a tool to kill processes
Deleting volume shadow copies
Preventing system recovery
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm cmd crypto evasive expand exploit fingerprint lolbin masquerade packed ransomware reconnaissance
Link:
https://www.filescan.io/uploads/6af3065ea87017375985bf04/reports/babc0549-0ef0-41f5-a06b-b592d86e770f/overview
Verdict:
Malicious
Labled as:
Capa_check_for_sandbox_and_av_modules
Link:
https://www.hybrid-analysis.com/sample/338cdb2b43dbdfdc6b8b702bfd150a35f443df7d45b210ca134d119a58be25fb
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-10-31T14:56:00Z UTC
Last seen:
2026-10-31T21:40:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/338cdb2b43dbdfdc6b8b702bfd150a35f443df7d45b210ca134d119a58be25fb/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4f8f4e00-1509-46f1-a7d6-cf85d022956e
Result
Threat name:
Arsium
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/2003306
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contain functionality to detect virtual machines
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Deletes the backup plan of Windows
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses bcdedit to modify the Windows boot settings
Yara detected Arsium Ransomware
Yara detected RansomwareGeneric
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 2003306 Sample: ncYUgqLR36.exe Startdate: 10/11/2026 Architecture: WINDOWS Score: 100 51 discord.com 2->51 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 5 other signatures 2->61 8 ncYUgqLR36.exe 1 14 2->8         started        13 svchost_upd.exe 2->13         started        15 wbengine.exe 3 2->15         started        17 3 other processes 2->17 signatures3 process4 dnsIp5 53 discord.com 162.159.136.232, 443, 49706 CLOUDFLARENET-CloudflareIncUS Canada 8->53 43 C:\Users\user\AppData\Local\svchost_upd.exe, PE32+ 8->43 dropped 45 C:\Users\user\Desktop\...\KZWFNRXYKI.xlsx, data 8->45 dropped 47 C:\Users\user\Desktop\WKXEWIOTXI.png, data 8->47 dropped 49 2 other malicious files 8->49 dropped 71 Contain functionality to detect virtual machines 8->71 73 Deletes shadow drive data (may be related to ransomware) 8->73 75 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->75 83 3 other signatures 8->83 19 cmd.exe 1 8->19         started        22 cmd.exe 1 8->22         started        24 cmd.exe 1 8->24         started        26 taskkill.exe 1 8->26         started        77 Antivirus detection for dropped file 13->77 79 Multi AV Scanner detection for dropped file 13->79 81 Creates files inside the volume driver (system volume information) 15->81 file6 signatures7 process8 signatures9 63 May disable shadow drive data (uses vssadmin) 19->63 65 Deletes shadow drive data (may be related to ransomware) 19->65 67 Uses bcdedit to modify the Windows boot settings 19->67 28 vssadmin.exe 1 19->28         started        31 conhost.exe 19->31         started        69 Deletes the backup plan of Windows 22->69 33 wbadmin.exe 3 22->33         started        35 conhost.exe 22->35         started        37 bcdedit.exe 8 1 24->37         started        39 conhost.exe 24->39         started        41 conhost.exe 26->41         started        process10 signatures11 85 Deletes shadow drive data (may be related to ransomware) 28->85
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/cf3c841367177b577ed88fb1b0aac215
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/338cdb2b43dbdfdc6b8b702bfd150a35f443df7d45b210ca134d119a58be25fb/
Threat name:
Win64.Ransomware.AdvML
Create hunting rule
Status:
Malicious
First seen:
2026-10-31 22:20:00 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gognwk2d3pp5y24loav72fikgx2ehx35iwzbbsqtjuizuwf6ex5q._file
Verdict:
malicious
Label(s):
GenericRansomware
Create hunting rule
Link:
https://reports.threatray.com/eccb2385-0d1e-4b34-85ad-283b3672ad6f
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery evasion execution impact persistence ransomware
Link:
https://tria.ge/reports/261110-n3myqsxt4l/
Behaviour
Checks SCSI registry key(s)
Interacts with shadow copies
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
Adds Run key to start application
Contacts third-party web service commonly abused for C2
Executes dropped EXE
Deletes backup catalog
Looks for VMWare Tools registry key
Looks for VMWare services registry key.
Deletes shadow copies
Enumerates VirtualBox registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Looks for VirtualBox Guest Additions in registry
Modifies boot configuration data using bcdedit
Renames multiple (51) files with added filename extension
Malware Family:
n/a
Verdict:
Malicious
Tags:
olympicdestroyer ransomware rat evasion stealer
YARA:
Destructive_Ransomware_Gen1 INDICATOR_SUSPICIOUS_EXE_DiscordURL shadow_copy_deletion INDICATOR_SUSPICIOUS_GENRansomware DeletesVssShadowCopy BlacklistSandbox Check_VmTools sandboxdetect_misc DelayBatch Check_VBox_Guest_Additions vmdetect_misc vmdetect Sandboxie_Detection AutorunKey
Link:
https://app.threat.zone/submission/77309089-7259-4863-9e31-60bfd2096b6b
Malware Family:
dcrypt
Create hunting rule
Malicious:
True
Tags:
64bit exe obfuscated persistence crypto debug-check
Link:
https://intel.virussign.com/intelligence/file/338cdb2b43dbdfdc6b8b702bfd150a35f443df7d45b210ca134d119a58be25fb
Unpacked files
SH256 hash:
338cdb2b43dbdfdc6b8b702bfd150a35f443df7d45b210ca134d119a58be25fb
MD5 hash:
cf3c841367177b577ed88fb1b0aac215
SHA1 hash:
76e0eb3a7c2858e7b706247994372114de18c155
Detections:
triage_mallox_ransomware
Create hunting rule
triage_medusa_ransomware_locker
Create hunting rule
Destructive_Ransomware_Gen1
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Link:
https://www.unpac.me/results/3b1b412d-fda4-463e-adea-a0344c1e7334/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/338cdb2b43db/report/overview.html
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:Check_VBox_Guest_Additions
Create hunting rule
Rule name:Check_VmTools
Create hunting rule
Rule name:Destructive_Ransomware_Gen1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:Destructive_Ransomware_Gen1_RID31CB
Create hunting rule
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:Detects command variations typically used by ransomware
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Win_Clipboard_Clipper_Thengavar
Create hunting rule
Author:Thengavar
Description:Detects malware manipulating the Windows clipboard for clipping or crypto stealing attacks

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/99058/

Comments