MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd38ac659e7c2d3ad28705c52c281983b28f4683e81bd61f3ba166b7c61cbc74. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cd38ac659e7c2d3ad28705c52c281983b28f4683e81bd61f3ba166b7c61cbc74
SHA3-384 hash: f97baa9f531c5b5d9aa13867ca4e87b4b955a9b85e6c9ed9a941484ca99049c5ecfb906a0c80c968ff2f0a4b731d2257
SHA1 hash: 628d793579ae8461037d10bbe35121090bb93f59
MD5 hash: 296618c0366839b68d0165462a112095
humanhash: sixteen-asparagus-seven-happy
File name:cleaner.exe
Download: download sample
Signature UmbralStealer
Create hunting rule
File size:233'472 bytes
First seen:2025-09-15 13:13:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'664 x Formbook, 12'252 x SnakeKeylogger)
ssdeep 6144:JPD2dGfNCTPOXBbwYtBXRUEMlqJ8eFNLAN+:V4TPOxfX+4Nj
Threatray 227 similar samples on MalwareBazaar
TLSH T120345C5463BCCB13F35F8FBD96B1549B8B71E107E80AF78E0C84A8E82856B41E845E57
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter burger
Tags:exe UmbralStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cleaner.exe
Verdict:
Malicious activity
Analysis date:
2025-09-15 13:12:20 UTC
Tags:
stealer evasion divulgestealer umbral generic anti-evasion discord exfiltration ims-api
Link:
https://app.any.run/tasks/9d02cb51-8be1-4ff8-b8cf-c7e991d998a8

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/27551/
Detection(s):
Win.Packed.Msilzilla-9952790-0
Create hunting rule

Win.Packed.Msilzilla-9955952-0
Create hunting rule

Win.Packed.Msilperseus-9956592-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68c810f4d49ea3f1e4b5f370
Tags:
vmdetect autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm cmd fingerprint hacktool lolbin obfuscated obfuscated rat threat wmic
Link:
https://www.filescan.io/uploads/68c81103dbc6f5a29c4595d6/reports/0ab80bac-a8eb-4450-b36b-972ea79dcf1d/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/cd38ac659e7c2d3ad28705c52c281983b28f4683e81bd61f3ba166b7c61cbc74
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-15T10:15:00Z UTC
Last seen:
2025-09-15T10:15:00Z UTC
Hits:
~10
Detections:
Trojan-PSW.Win32.Xploder.sb Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Stealer.sb Trojan.Win32.Dizemp.sb Trojan.Win32.Agent.sba Trojan.Win32.Agent.sb HEUR:Trojan-PSW.MSIL.Stealer.gen Trojan-PSW.Win32.Disco.sb PDM:Trojan.Win32.Generic Trojan-PSW.MSIL.DiscoStealer.sb
Link:
https://opentip.kaspersky.com/cd38ac659e7c2d3ad28705c52c281983b28f4683e81bd61f3ba166b7c61cbc74/results?tab=lookup
Malware family:
Sharp Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/65541fd8-2708-4303-ba50-24c5fbc30448
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1777787
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops PE files to the startup folder
Drops PE files with a suspicious file extension
Found many strings related to Crypto-Wallets (likely being stolen)
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
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
Suspicious powershell command line found
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1777787 Sample: cleaner.exe Startdate: 15/09/2025 Architecture: WINDOWS Score: 100 46 ip-api.com 2->46 48 discordapp.com 2->48 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for dropped file 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 8 other signatures 2->60 8 cleaner.exe 15 12 2->8         started        signatures3 process4 dnsIp5 50 ip-api.com 208.95.112.1, 49722, 80 TUT-ASUS United States 8->50 52 discordapp.com 162.159.129.233, 443, 49723 CLOUDFLARENETUS United States 8->52 40 C:\ProgramData\Microsoft\...\PnJWq.scr, PE32 8->40 dropped 42 C:\Users\user\AppData\...\cleaner.exe.log, ASCII 8->42 dropped 44 C:\ProgramData\...\PnJWq.scr:Zone.Identifier, ASCII 8->44 dropped 62 Suspicious powershell command line found 8->62 64 Found many strings related to Crypto-Wallets (likely being stolen) 8->64 66 Self deletion via cmd or bat file 8->66 68 6 other signatures 8->68 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 70 Loading BitLocker PowerShell Module 13->70 22 WmiPrvSE.exe 13->22         started        24 conhost.exe 13->24         started        72 Uses ping.exe to check the status of other devices and networks 16->72 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:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cd38ac659e7c2d3ad28705c52c281983b28f4683e81bd61f3ba166b7c61cbc74
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.23 Win 32 Exe x86
Link:
https://app.malva.re/file/296618c0366839b68d0165462a112095
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cd38ac659e7c2d3ad28705c52c281983b28f4683e81bd61f3ba166b7c61cbc74/
Verdict:
Malicious
Threat:
Trojan-PSW.Win32.Stealer
Link:
https://tip.neiki.dev/file/cd38ac659e7c2d3ad28705c52c281983b28f4683e81bd61f3ba166b7c61cbc74
Threat name:
ByteCode-MSIL.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-09-15 13:13:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
30 of 37 (81.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zu4kyzm6pqwtvuuhaxcsykazqozi6rud5an5mhz3uftlprq4xr2a._file
Verdict:
malicious
Label(s):
umbral
Create hunting rule
Similar samples:
142e09138e86700e4de88019b753a4c3a510361af7bf8a49442772aa714bfaf9
UmbralStealer
234dae6411b0a2ceb80b3b2f552adc69f9ae369864279c5b6111d722534b13f8
UmbralStealer
3a7c54c18e2d346334d6fdd81596005b7cc8ea7307d5ba42d6bb4bacf0ca1970
UmbralStealer
58d2d3343ae096647ddb5e633f50e10083561f19821d838a82e42ea4ab6e2486
UmbralStealer
cd38ac659e7c2d3ad28705c52c281983b28f4683e81bd61f3ba166b7c61cbc74
UmbralStealer
error
UmbralStealer
+ 217 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution spyware stealer
Link:
https://tria.ge/reports/250915-qgefksylt8/
Behaviour
Detects videocard installed
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
System Network Configuration Discovery: Internet Connection Discovery
Looks up external IP address via web service
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
stealer umbral Win.Packed.Msilzilla-9952790-0
YARA:
MALWARE_Win_Umbralstealer
Link:
https://app.threat.zone/submission/42f7c1f3-f0fe-47db-aef3-914e421f14da
Unpacked files
SH256 hash:
cd38ac659e7c2d3ad28705c52c281983b28f4683e81bd61f3ba166b7c61cbc74
MD5 hash:
296618c0366839b68d0165462a112095
SHA1 hash:
628d793579ae8461037d10bbe35121090bb93f59
Link:
https://www.unpac.me/results/64b86dce-5587-4d65-b701-34e8f553595a/
Malware family:
UmbralStealer
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cd38ac659e7c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.77
Link:
https://yomi.yoroi.company/submissions/cd38ac659e7c2d3ad28705c52c281983b28f4683e81bd61f3ba166b7c61cbc74

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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)

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/27551/

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