MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58d2d3343ae096647ddb5e633f50e10083561f19821d838a82e42ea4ab6e2486. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 58d2d3343ae096647ddb5e633f50e10083561f19821d838a82e42ea4ab6e2486
SHA3-384 hash: 05947d31f34b82587b77fc0b019a767a139ca37bc53c64aded6db91f71ab630876a4de43199172f626b25068be453e1e
SHA1 hash: 6145c73e66849b739f6b93212f63e8134ab83ee1
MD5 hash: 019e8aca48eb4874fafe441113f045e5
humanhash: finch-beryllium-finch-minnesota
File name:019e8aca48eb4874fafe441113f045e5.exe
Download: download sample
Signature UmbralStealer
Create hunting rule
File size:22'984'704 bytes
First seen:2025-09-12 06:49:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 140094f13383e9ae168c4b35b6af3356 (32 x DCRat, 11 x CoinMiner, 10 x njrat)
ssdeep 393216:0aidW5icB++7ONaJJXA/G3tWWF+sJd0VWlk/YuadatwJ:Dbe+7TjXAu3tWpsJdwWAada
Threatray 1 similar samples on MalwareBazaar
TLSH T1B1373333E4EEE106C4F3F171AFD6CF5CE50FE860232D681A957A87705D98A297885B48
TrID 32.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
28.9% (.EXE) Win32 Executable (generic) (4504/4/1)
13.0% (.EXE) OS/2 Executable (generic) (2029/13)
12.8% (.EXE) Generic Win/DOS Executable (2002/3)
12.8% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe UmbralStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
019e8aca48eb4874fafe441113f045e5.exe
Verdict:
Malicious activity
Analysis date:
2025-09-12 06:51:29 UTC
Tags:
stealer auto-startup evasion anti-evasion discord exfiltration umbralstealer ims-api generic
Link:
https://app.any.run/tasks/f01ac429-d2fe-4cff-8e02-b20d7892a8af

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/27045/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68c3c281b2005259887a00a3
Tags:
vmdetect autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
asyncrat fasm krypt quasarrat stealer umbral unsafe zusy
Link:
https://www.filescan.io/uploads/68c3c2cadbc6f5a29c4169ab/reports/4b0816ce-0f38-4067-963a-85b8f2b73652/overview
Verdict:
Malicious
Labled as:
ExNuma.Generic
Link:
https://www.hybrid-analysis.com/sample/58d2d3343ae096647ddb5e633f50e10083561f19821d838a82e42ea4ab6e2486
Verdict:
Malicious
File Type:
exe x32
First seen:
2024-05-15T10:19:00Z UTC
Last seen:
2024-05-15T10:19:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/58d2d3343ae096647ddb5e633f50e10083561f19821d838a82e42ea4ab6e2486/results?tab=lookup
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/1776167
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
Drops PE files with a suspicious file extension
Found direct / indirect Syscall (likely to bypass EDR)
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 Windows Defender protection settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Suspicious Startup Folder Persistence
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to evade analysis by execution special instruction (VM detection)
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: 1776167 Sample: B7VipSBIrt.exe Startdate: 12/09/2025 Architecture: WINDOWS Score: 100 56 ip-api.com 2->56 58 discord.com 2->58 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 14 other signatures 2->70 9 B7VipSBIrt.exe 3 2->9         started        signatures3 process4 file5 48 C:\Users\user\AppData\Local\...48ursultan.exe, PE32 9->48 dropped 50 C:\Users\user\AppData\Local\Temp50urik.exe, PE32+ 9->50 dropped 12 Nursultan.exe 15 12 9->12         started        17 Nurik.exe 2 9->17         started        process6 dnsIp7 60 ip-api.com 208.95.112.1, 49691, 80 TUT-ASUS United States 12->60 62 discord.com 162.159.128.233, 443, 49692 CLOUDFLARENETUS United States 12->62 52 C:\ProgramData\Microsoft\...\wn01m.scr, PE32 12->52 dropped 54 C:\Users\user\AppData\...54ursultan.exe.log, ASCII 12->54 dropped 76 Multi AV Scanner detection for dropped file 12->76 78 Suspicious powershell command line found 12->78 80 Found many strings related to Crypto-Wallets (likely being stolen) 12->80 90 6 other signatures 12->90 19 powershell.exe 23 12->19         started        22 cmd.exe 12->22         started        24 powershell.exe 11 12->24         started        28 8 other processes 12->28 82 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 17->82 84 Query firmware table information (likely to detect VMs) 17->84 86 Tries to evade analysis by execution special instruction (VM detection) 17->86 88 Found direct / indirect Syscall (likely to bypass EDR) 17->88 26 conhost.exe 17->26         started        file8 signatures9 process10 signatures11 72 Loading BitLocker PowerShell Module 19->72 30 WmiPrvSE.exe 19->30         started        32 conhost.exe 19->32         started        74 Uses ping.exe to check the status of other devices and networks 22->74 34 conhost.exe 22->34         started        36 PING.EXE 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 28->40         started        42 conhost.exe 28->42         started        44 conhost.exe 28->44         started        46 5 other processes 28->46 process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/58d2d3343ae096647ddb5e633f50e10083561f19821d838a82e42ea4ab6e2486
Gathering data
Gathering data
Threat name:
Win32.Trojan.ExNuma
Create hunting rule
Status:
Malicious
First seen:
2024-05-15 15:10:04 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
28 of 36 (77.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ldjngnb24clgi7o3lzrt6uhbacbvmhyzqioyhcuc4qxkjk3oesda._file
Verdict:
malicious
Label(s):
umbral
Create hunting rule
Similar samples:
58d2d3343ae096647ddb5e633f50e10083561f19821d838a82e42ea4ab6e2486
UmbralStealer
error
UmbralStealer
Result
Malware family:
umbral
Create hunting rule
Score:
  10/10
Tags:
family:umbral defense_evasion discovery execution spyware stealer
Link:
https://tria.ge/reports/250912-hlnwtazmw8/
Behaviour
Detects videocard installed
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Detects Umbral payload
Umbral
Umbral family
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1190283115214671883/xssKj-uJP9-WTEMbXfGXRosQvXhZmdY1xJgo6ePziOjcqIpjbplxVkroksC1PnOhUaiZ
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bf33b756-1bfb-4cf1-a580-e952df6ba34d
Malware family:
UmbralStealer
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/58d2d3343ae0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.16
Link:
https://yomi.yoroi.company/submissions/58d2d3343ae096647ddb5e633f50e10083561f19821d838a82e42ea4ab6e2486

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

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/27045/

Comments