MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2f36a482396284c90ea26bbc9a57f38c1273c20aa8c2b96087c0a1c281d9327b. 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: 17
| SHA256 hash: | 2f36a482396284c90ea26bbc9a57f38c1273c20aa8c2b96087c0a1c281d9327b |
|---|---|
| SHA3-384 hash: | 3c4cb54a6595f85cb22f182dfa8d384663b083b18a4be4758d41eb70f8e40f511308b25f74c4ddff7c4abbe34d3d78ea |
| SHA1 hash: | 6262daeee753722df60ccc8d240e122ec7d32902 |
| MD5 hash: | 4a0228521ca91336f8f8a7a4eef73e22 |
| humanhash: | cold-sixteen-bravo-double |
| File name: | 2f36a482396284c90ea26bbc9a57f38c1273c20aa8c2b96087c0a1c281d9327b |
| Download: | download sample |
| Signature | UmbralStealer |
| File size: | 233'472 bytes |
| First seen: | 2026-02-03 16:00:46 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'662 x Formbook, 12'252 x SnakeKeylogger) |
| ssdeep | 6144:RPKRtufdY7vzXpjYgV53GUEMlqJ8eFNLZ+y:JG7vzZXW+4Nw |
| Threatray | 270 similar samples on MalwareBazaar |
| TLSH | T1C2347C5463BCCB13F35F9FBD96B1549B8B71E107E80AF78E0C84A8E82856B41E845E53 |
| 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 |  Neiki |
| Tags: | DivulgeStealer exe Umbral UmbralStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
110
Origin country :
DEVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
Build.exe
Verdict:
Malicious activity
Analysis date:
2026-02-03 15:55:16 UTC
Tags:
stealer auto-startup anti-evasion discord exfiltration divulgestealer generic umbral ims-api
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
UmbralStealer
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect autorun
Result
Verdict:
Malware
Maliciousness:
Behaviour
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
Running batch commands
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm anti-vm base64 cmd fingerprint hacktool infostealer lolbin obfuscated reconnaissance umbral wmic
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-02-02T11:24:00Z UTC
Last seen:
2026-02-02T11:49:00Z UTC
Hits:
~10
Detections:
Trojan-PSW.MSIL.DiscoStealer.sb Trojan.Win32.Dizemp.sb Trojan.Win32.Agent.sba PDM:Trojan.Win32.Generic Trojan.Win32.Agent.sb Trojan-PSW.Win32.Xploder.sb Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Disco.sb Trojan-PSW.MSIL.Stealer.sb Trojan.MSIL.Agent.sb HEUR:Trojan-PSW.MSIL.Stealer.gen
Malware family:
Sharp Stealer
Verdict:
Malicious
Score:
99%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.DIVULGESTEALER
Threat name:
ByteCode-MSIL.Trojan.Msilheracles
Status:
Malicious
First seen:
2026-02-02 18:28:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 36 (72.22%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
umbral
Similar samples:
+ 260 additional samples on MalwareBazaar
Result
Malware family:
umbral
Score:
10/10
Tags:
family:umbral defense_evasion discovery execution spyware stealer
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
Contacts third-party web service commonly abused for C2
Looks up external IP address via web service
Disables automatic submission of suspicious files to Microsoft by Windows Defender
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Disables one or more Microsoft Defender components
Detects Umbral payload
Umbral
Umbral family
Unpacked files
SH256 hash:
2f36a482396284c90ea26bbc9a57f38c1273c20aa8c2b96087c0a1c281d9327b
MD5 hash:
4a0228521ca91336f8f8a7a4eef73e22
SHA1 hash:
6262daeee753722df60ccc8d240e122ec7d32902
Malware family:
UmbralStealer
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.77
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 |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SandboxComputerNames |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing possible sandbox analysis VM names |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SandboxSystemUUIDs |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing possible sandbox system UUIDs |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SandboxUserNames |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing possible sandbox analysis VM usernames |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables attemping to enumerate video devices using WMI |
| Rule name: | MALWARE_Win_UmbralStealer |
|---|---|
| Author: | ditekShen |
| Description: | Detects Umbral infostealer |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | telebot_framework |
|---|---|
| Author: | vietdx.mb |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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