MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a4eaf32d0659b7901cf0c8414447abf7729f191ee9117afdabbb67d10367f27. 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


UmbralStealer


Vendor detections: 18


Intelligence 18 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a4eaf32d0659b7901cf0c8414447abf7729f191ee9117afdabbb67d10367f27
SHA3-384 hash: a28d9364c2e33e958287add84cb4507cf94c53295aa96573480e92504544d19db3ba33de3abb5d3ad6a8ac545ef67a70
SHA1 hash: 1c0bf5e822fbc8e1b5b65822bfa6fea3c169c365
MD5 hash: 41d85a23571e09d57856ccf8706e87a8
humanhash: thirteen-stairway-wolfram-steak
File name:cheatupd.exe
Download: download sample
Signature UmbralStealer
Create hunting rule
File size:3'932'672 bytes
First seen:2025-10-16 08:32:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4328f7206db519cd4e82283211d98e83 (534 x RedLineStealer, 18 x Arechclient2, 15 x DCRat)
ssdeep 98304:gjga7NF3jhPcyWSRY0/XOjfumDSC8Vb9/JvRie:mZF3OyWAZQfumf8ddJvRie
TLSH T1EC0633F6EB27BB02E739DAB1C196A0446DEC71568E7C879C2890602EC8D9F49DD4F311
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter burger
Tags:exe UmbralStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
114
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Loader.exe
Verdict:
Malicious activity
Analysis date:
2025-10-16 08:21:01 UTC
Tags:
evasion discord exfiltration stealer miner pastebin umbralstealer anti-evasion
Link:
https://app.any.run/tasks/c10ad766-d07a-479b-b757-2615a266ee4b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
UmbralStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/33039/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f0addf0cffb32442984896
Tags:
autorun packed shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for analyzing tools
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Enabling the 'hidden' option for analyzed file
Creating a file
Creating a file in the %temp% directory
Creating a window
Sending an HTTP GET request
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected themidawinlicense
Link:
https://www.filescan.io/uploads/68f0ade8057c46a471cef59a/reports/61b01bc3-dc11-4a01-a504-cbfab65460e5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/5a4eaf32d0659b7901cf0c8414447abf7729f191ee9117afdabbb67d10367f27
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-16T05:39:00Z UTC
Last seen:
2025-10-16T10:14:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Win32.Xploder.sb Trojan-PSW.Win32.Disco.sb Trojan-PSW.MSIL.Umbral.hk Trojan.Win32.Agent.sba VHO:Trojan-Downloader.MSIL.Convagent.gen Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.DiscoStealer.sb Trojan.Win32.Dizemp.sb Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Trojan-PSW.MSIL.Umbral.sb Trojan-PSW.MSIL.Stealer.sb VHO:Trojan-PSW.Win32.Convagent.gen VHO:Trojan-PSW.MSIL.Convagent.gen
Link:
https://opentip.kaspersky.com/5a4eaf32d0659b7901cf0c8414447abf7729f191ee9117afdabbb67d10367f27/results?tab=lookup
Malware family:
Sharp Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a5ae8384-a8ac-4dff-8014-ead99fd5ca52
Result
Threat name:
Blank Grabber, Umbral Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1796364
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Drops PE files to the startup folder
Drops PE files with a suspicious file extension
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Modifies Windows Defender protection settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Self deletion via cmd or bat file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Sigma detected: Suspicious Startup Folder Persistence
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Uses attrib.exe to hide files
Uses ping.exe to check the status of other devices and networks
Yara detected Blank Grabber
Yara detected Umbral Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1796364 Sample: cheatupd.exe Startdate: 16/10/2025 Architecture: WINDOWS Score: 100 44 ip-api.com 2->44 46 discord.com 2->46 52 Suricata IDS alerts for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 14 other signatures 2->58 8 cheatupd.exe 16 11 2->8         started        signatures3 process4 dnsIp5 48 ip-api.com 208.95.112.1, 49727, 80 TUT-ASUS United States 8->48 50 discord.com 162.159.138.232, 443, 49728 CLOUDFLARENETUS United States 8->50 40 C:\ProgramData\Microsoft\...\1ijCA.scr, PE32 8->40 dropped 42 C:\Users\user\AppData\...\cheatupd.exe.log, ASCII 8->42 dropped 60 Detected unpacking (changes PE section rights) 8->60 62 Suspicious powershell command line found 8->62 64 Query firmware table information (likely to detect VMs) 8->64 66 12 other signatures 8->66 13 powershell.exe 23 8->13         started        16 cmd.exe 8->16         started        18 powershell.exe 11 8->18         started        20 8 other processes 8->20 file6 signatures7 process8 signatures9 68 Loading BitLocker PowerShell Module 13->68 22 WmiPrvSE.exe 13->22         started        24 conhost.exe 13->24         started        70 Uses ping.exe to check the status of other devices and networks 16->70 26 conhost.exe 16->26         started        28 PING.EXE 16->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 20->34         started        36 conhost.exe 20->36         started        38 5 other processes 20->38 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5a4eaf32d0659b7901cf0c8414447abf7729f191ee9117afdabbb67d10367f27
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
.Net Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/41d85a23571e09d57856ccf8706e87a8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5a4eaf32d0659b7901cf0c8414447abf7729f191ee9117afdabbb67d10367f27/
Verdict:
Malicious
Threat:
Family.UMBRAL
Link:
https://tip.neiki.dev/file/5a4eaf32d0659b7901cf0c8414447abf7729f191ee9117afdabbb67d10367f27
Threat name:
Win32.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-10-16 08:33:31 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ljhk6mwqmwnxsaopbscbird2x53st4mr52irpl62xo3h2ebwp4tq._file
Result
Malware family:
umbral
Create hunting rule
Score:
  10/10
Tags:
family:umbral defense_evasion discovery execution spyware stealer themida trojan
Link:
https://tria.ge/reports/251016-kf5ngseq31/
Behaviour
Detects videocard installed
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks BIOS information in registry
Disables automatic submission of suspicious files to Microsoft by Windows Defender
Reads user/profile data of web browsers
Themida packer
Command and Scripting Interpreter: PowerShell
Disables one or more Microsoft Defender components
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Detects Umbral payload
Umbral
Umbral family
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1427743406863679569/hLCDYDCHNZUWCjL-zXW8URDpd2uw5mUrqLR7utdIoMvaskMgdzVlJvBujZ4cuAvXZi5g
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/95aa4e2f-b21c-459f-bebb-812d71490a3a
Unpacked files
SH256 hash:
5a4eaf32d0659b7901cf0c8414447abf7729f191ee9117afdabbb67d10367f27
MD5 hash:
41d85a23571e09d57856ccf8706e87a8
SHA1 hash:
1c0bf5e822fbc8e1b5b65822bfa6fea3c169c365
Link:
https://www.unpac.me/results/4e89f026-c558-4726-9ab6-c2b45d39250e/
SH256 hash:
de0aa79373299d38e79f5895530c54d43970c18867212ee171580e5e28dca5eb
MD5 hash:
8c7fb0e684cd7873d2641f301c2d41dd
SHA1 hash:
0a65293bd4af0d865c4d7dabacd49ca978cc063b
Link:
https://www.unpac.me/results/4e89f026-c558-4726-9ab6-c2b45d39250e/
Malware family:
UmbralStealer
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5a4eaf32d065/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/5a4eaf32d0659b7901cf0c8414447abf7729f191ee9117afdabbb67d10367f27

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:INDICATOR_EXE_Packed_Themida
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxComputerNames
Create hunting rule
Author:ditekSHen
Description:Detects executables containing possible sandbox analysis VM names
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxSystemUUIDs
Create hunting rule
Author:ditekSHen
Description:Detects executables containing possible sandbox system UUIDs
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxUserNames
Create hunting rule
Author:ditekSHen
Description:Detects executables containing possible sandbox analysis VM usernames
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:MALWARE_Win_UmbralStealer
Create hunting rule
Author:ditekShen
Description:Detects Umbral infostealer
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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:UmbrealStealerEXIFData
Create hunting rule
Author:adm1n_usa32
Description:Detects UmbralStealer by obvious comment in EXIF Data
Rule name:win_stealer_generic
Create hunting rule
Author:Reedus0
Description:Rule for detecting generic stealer malware

File information

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

Web download

UmbralStealer

Executable exe 5a4eaf32d0659b7901cf0c8414447abf7729f191ee9117afdabbb67d10367f27

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/33039/
  
URLhaus
https://urlhaus.abuse.ch/url/3679281/
  
Delivery method
Distributed via web download

Comments