MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a7c54c18e2d346334d6fdd81596005b7cc8ea7307d5ba42d6bb4bacf0ca1970. 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: 20


Intelligence 20 IOCs YARA 15 File information Comments
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SHA256 hash: 3a7c54c18e2d346334d6fdd81596005b7cc8ea7307d5ba42d6bb4bacf0ca1970
SHA3-384 hash: 991959c375dd17f3e332ee3f90053a8f37d0222ec312e8fc8de30392fd8ae17463b2470d5bcf22c724858154afebf0f7
SHA1 hash: 3d4570994cb00f7cdb76ead23e5876176dcd565e
MD5 hash: 04c4f0289ca6f2242cc08822eb0470c9
humanhash: coffee-carbon-april-tango
File name:Setup.exe
Download: download sample
Signature UmbralStealer
Create hunting rule
File size:235'008 bytes
First seen:2025-08-27 09:34:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:FloZM+rIkd8g+EtXHkv/iD4WWp0p3cw/7eHp0AV9hb8e1mpWi:HoZtL+EP8WWp0p3cw/7eHp0AV3m
Threatray 214 similar samples on MalwareBazaar
TLSH T18A346C5533B88B17E25F8BBED5B1148F87B1F143E90AF78E0C8899F82411B42E949E57
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 :
62
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Setup.exe
Verdict:
Malicious activity
Analysis date:
2025-08-27 09:34:28 UTC
Tags:
evasion anti-evasion auto-startup stealer umbralstealer discord exfiltration generic umbral divulgestealer ims-api
Link:
https://app.any.run/tasks/b9ea7119-d98a-4899-9e17-dff218d29ff1

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/23824/
Detection(s):
Win.Packed.Msilzilla-9952790-0
Create hunting rule

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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68aed131eb163e0ec182d791
Tags:
vmdetect
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 base64 cmd fingerprint hacktool lolbin obfuscated obfuscated reconnaissance threat wmic
Link:
https://www.filescan.io/uploads/68aed1382eee5ca64cac40a7/reports/d72ba733-5d21-48a1-ba45-90c86c06e872/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/3a7c54c18e2d346334d6fdd81596005b7cc8ea7307d5ba42d6bb4bacf0ca1970
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-14T14:25:00Z UTC
Last seen:
2025-08-14T14:25:00Z UTC
Hits:
~10
Detections:
Trojan-PSW.MSIL.Umbral.sb Trojan-PSW.MSIL.Stealer.sb HEUR:Trojan.MSIL.Dizemp.gen
Link:
https://opentip.kaspersky.com/3a7c54c18e2d346334d6fdd81596005b7cc8ea7307d5ba42d6bb4bacf0ca1970/results?tab=lookup
Malware family:
Sharp Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/47cd76ab-1607-45de-97b7-daccb15696be
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/1766082
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
Check if machine is in data center or colocation facility
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)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Modifies the hosts file
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
Suricata IDS alerts for network traffic
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
Yara detected Blank Grabber
Yara detected Umbral Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1766082 Sample: Setup.exe Startdate: 27/08/2025 Architecture: WINDOWS Score: 100 48 ip-api.com 2->48 50 discord.com 2->50 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 14 other signatures 2->62 8 Setup.exe 15 12 2->8         started        signatures3 process4 dnsIp5 52 ip-api.com 208.95.112.1, 49716, 49723, 80 TUT-ASUS United States 8->52 54 discord.com 162.159.138.232, 443, 49724 CLOUDFLARENETUS United States 8->54 40 C:\ProgramData\Microsoft\...\vvCgQ.scr, PE32 8->40 dropped 42 C:\Windows\System32\drivers\etc\hosts, ASCII 8->42 dropped 44 C:\Users\user\AppData\Local\...\Setup.exe.log, ASCII 8->44 dropped 46 C:\ProgramData\...\vvCgQ.scr:Zone.Identifier, ASCII 8->46 dropped 64 Suspicious powershell command line found 8->64 66 Found many strings related to Crypto-Wallets (likely being stolen) 8->66 68 Self deletion via cmd or bat file 8->68 70 7 other signatures 8->70 13 powershell.exe 23 8->13         started        16 cmd.exe 8->16         started        18 powershell.exe 11 8->18         started        20 9 other processes 8->20 file6 signatures7 process8 signatures9 72 Loading BitLocker PowerShell Module 13->72 22 WmiPrvSE.exe 13->22         started        24 conhost.exe 13->24         started        74 Uses ping.exe to check the status of other devices and networks 16->74 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 6 other processes 20->38 process10
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3a7c54c18e2d346334d6fdd81596005b7cc8ea7307d5ba42d6bb4bacf0ca1970
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.53 Win 32 Exe x86
Link:
https://app.malva.re/file/04c4f0289ca6f2242cc08822eb0470c9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a7c54c18e2d346334d6fdd81596005b7cc8ea7307d5ba42d6bb4bacf0ca1970/
Verdict:
Malicious
Threat:
Family.UMBRAL
Link:
https://tip.neiki.dev/file/3a7c54c18e2d346334d6fdd81596005b7cc8ea7307d5ba42d6bb4bacf0ca1970
Threat name:
ByteCode-MSIL.Trojan.UmbralStealer
Create hunting rule
Status:
Malicious
First seen:
2025-08-18 16:43:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hj6fjqmofu2ggngw7xmblfqaln6mr2tta7k3uqwwxnf2z4gkdfya._file
Verdict:
malicious
Label(s):
umbral
Create hunting rule
Similar samples:
1b20bb50d5eb548b9de8905a860fe218da7b49e78ae87c0fee159686ba3e48a6
UmbralStealer
3a7c54c18e2d346334d6fdd81596005b7cc8ea7307d5ba42d6bb4bacf0ca1970
UmbralStealer
3ab45b027187d7114fdb07c66146ff5fa7fb9c3caf557a4671a61eba416cfb25
UmbralStealer
a4073c9cae0eea6e68a8fefeefbe7d5960c3fa2dd851e8b2fc35475904a6b365
UmbralStealer
error
UmbralStealer
f3dcd3b6d452657247936a87c06e2bef42261a46035453d58ff0c7d1106e8393
UmbralStealer
fc53884a4452b6f808e280dc3fc3a051d0129be2aabf61ea816dacf6c3ea9e80
UmbralStealer
+ 204 additional samples on MalwareBazaar
Result
Malware family:
umbral
Create hunting rule
Score:
  10/10
Tags:
family:umbral stealer
Link:
https://tria.ge/reports/250827-lj42ssxyby/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Looks up external IP address via web service
Detects Umbral payload
Umbral
Umbral family
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1404846723091665026/WuWZoI6OFIe7N2gkwdBozQAlFRpyVL_x4mlfWqE2jvXfGpbQ6qgLFt3ydip6MR680ta2
Verdict:
Malicious
Tags:
stealer umbral Win.Packed.Msilzilla-9952790-0
YARA:
MALWARE_Win_Umbralstealer
Link:
https://app.threat.zone/submission/ff3169ae-db62-4988-93b9-a591007ad91b
Unpacked files
SH256 hash:
3a7c54c18e2d346334d6fdd81596005b7cc8ea7307d5ba42d6bb4bacf0ca1970
MD5 hash:
04c4f0289ca6f2242cc08822eb0470c9
SHA1 hash:
3d4570994cb00f7cdb76ead23e5876176dcd565e
Detections:
UmbralStealer
Create hunting rule
Link:
https://www.unpac.me/results/51b20a6b-385d-4c53-a57e-d0d17d4b0cfd/
Malware family:
UmbralStealer
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3a7c54c18e2d/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/3a7c54c18e2d346334d6fdd81596005b7cc8ea7307d5ba42d6bb4bacf0ca1970

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: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

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/23824/

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