MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0933217d8ea84d9341154ecc34a3f231cf2ff0e70d67dbe190265c7e26b96cfb. 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


Intelligence 17 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0933217d8ea84d9341154ecc34a3f231cf2ff0e70d67dbe190265c7e26b96cfb
SHA3-384 hash: 2f292977f7c7dd9a9c5e5044087ac6bd1559ab1d882773732a2d3c68e7e4ceb6f0c493585072eb1369523892d10623f6
SHA1 hash: 914bd258c204e4cddab9dc0dbfb9c7134659ad57
MD5 hash: ae3713305401315a3b520e84fb786fe5
humanhash: north-mango-oregon-nineteen
File name:0933217d8ea84d9341154ecc34a3f231cf2ff0e70d67dbe190265c7e26b96cfb
Download: download sample
Signature UmbralStealer
Create hunting rule
File size:235'008 bytes
First seen:2024-08-05 12:56:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:dloZM3fsXtioRkts/cnnK6cMlpGZ7lTwk7tiTlwsJtSb8e1mdi:/oZ1tlRk83MlpGZ7lTwk7tiTlwsJIH
TLSH T19F346B4933B8CB17E25F8BBDD5B0548F87B1F143E90AF7CE1C8899E82411B42E949A57
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adrian__luca
Tags:exe UmbralStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
347
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0933217d8ea84d9341154ecc34a3f231cf2ff0e70d67dbe190265c7e26b96cfb
Verdict:
Malicious activity
Analysis date:
2024-08-05 12:57:55 UTC
Tags:
evasion umbralstealer stealer discord exfiltration
Link:
https://app.any.run/tasks/c8ba879d-51bf-4691-9822-4360e52f9860

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b0cc25b7a04efc7439f6cb
Tags:
Discovery Execution Generic Network Other Stealth Variant
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Sending an HTTP GET request
Enabling the 'hidden' option for analyzed file
Creating a file
Creating a window
Creating a file in the %temp% subdirectories
Adding an exclusion to Microsoft Defender
Changing the hosts file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
89%
Tags:
anti-vm anti-vm cmd fingerprint hacktool lolbin quasarrat rat wmic
Link:
https://www.filescan.io/uploads/66b0cc4d99ea8891b1913251/reports/30531758-39a4-4d5c-86d5-e7fbcb520c82/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/0933217d8ea84d9341154ecc34a3f231cf2ff0e70d67dbe190265c7e26b96cfb
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Sharp Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/26fb4fc6-69b4-424f-af68-2ed8f7a1db33
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/1487993
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
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)
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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
Yara detected Blank Grabber
Yara detected Generic Downloader
Yara detected Umbral Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1487993 Sample: IDLBk4XMUa.exe Startdate: 05/08/2024 Architecture: WINDOWS Score: 100 48 ptb.discord.com 2->48 50 ip-api.com 2->50 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for dropped file 2->60 62 14 other signatures 2->62 8 IDLBk4XMUa.exe 15 16 2->8         started        signatures3 process4 dnsIp5 52 ip-api.com 208.95.112.1, 49700, 49705, 80 TUT-ASUS United States 8->52 54 ptb.discord.com 162.159.138.232, 443, 49707, 49708 CLOUDFLARENETUS United States 8->54 40 C:\ProgramData\Microsoft\...40cIxl.scr, PE32 8->40 dropped 42 C:\Windows\System32\drivers\etc\hosts, ASCII 8->42 dropped 44 C:\Users\user\AppData\...\IDLBk4XMUa.exe.log, ASCII 8->44 dropped 46 C:\ProgramData\...46cIxl.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:
87%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0933217d8ea84d9341154ecc34a3f231cf2ff0e70d67dbe190265c7e26b96cfb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0933217d8ea84d9341154ecc34a3f231cf2ff0e70d67dbe190265c7e26b96cfb/
Threat name:
ByteCode-MSIL.Trojan.UmbralStealer
Create hunting rule
Status:
Malicious
First seen:
2024-07-27 03:36:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bezsc7movbgzgqivj3gdji7sghhs74hhbvt5xymqezoh4jvznt5q._file
Verdict:
malicious
Result
Malware family:
umbral
Create hunting rule
Score:
  10/10
Tags:
family:umbral credential_access discovery execution spyware stealer
Link:
https://tria.ge/reports/240805-p6xg1swfpm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Detects videocard installed
Runs ping.exe
System Network Configuration Discovery: Internet Connection Discovery
Looks up external IP address via web service
Deletes itself
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Drops file in Drivers directory
Credentials from Password Stores: Credentials from Web Browsers
Detect Umbral payload
Umbral
Malware Config
C2 Extraction:
https://ptb.discord.com/api/webhooks/1193833046810566716/Ip5p47J2qEw7d2YvXLGh3HLrizvUKpbZJnMXQxzQS4N9EYMFmhbB3hhBZhMwKm0ApaPL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a0725589-c43d-467c-8449-78a417aae620
Unpacked files
SH256 hash:
0933217d8ea84d9341154ecc34a3f231cf2ff0e70d67dbe190265c7e26b96cfb
MD5 hash:
ae3713305401315a3b520e84fb786fe5
SHA1 hash:
914bd258c204e4cddab9dc0dbfb9c7134659ad57
Detections:
UmbralStealer
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxComputerNames
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxSystemUUIDs
Create hunting rule
MALWARE_Win_UmbralStealer
Create hunting rule
Link:
https://www.unpac.me/results/26813d06-d585-412a-9d05-04f4c91c794d/
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/0933217d8ea84d9341154ecc34a3f231cf2ff0e70d67dbe190265c7e26b96cfb

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: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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments