MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5658f42d6332d99827d772a710d74e905f822d23e958c86f802973c2cffe850f. 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: 15
| SHA256 hash: | 5658f42d6332d99827d772a710d74e905f822d23e958c86f802973c2cffe850f |
|---|---|
| SHA3-384 hash: | 98659334b24a7d5547927539c9d17f3ccbaf3b891058350fc14fc5d69dfac48c7c69bdfd560aae69f797cef6bb5211a5 |
| SHA1 hash: | e80841a355b8dce9955b9bbba63f02a4ad31a836 |
| MD5 hash: | 7f32dcbb00de079c31ff7895ae9c0560 |
| humanhash: | sink-eighteen-sierra-oklahoma |
| File name: | l0xmdpqk.ylw.bin |
| Download: | download sample |
| Signature | UmbralStealer |
| File size: | 232'448 bytes |
| First seen: | 2024-04-27 22:13:29 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'494 x Formbook, 12'214 x SnakeKeylogger) |
| ssdeep | 6144:bloZM+9EB1/SqctonEPfCqAu0+prdmK13Up7a6rhgj8e1m5l:5oZQdSqcwvu0+prdmK13Up7a6rhQM |
| TLSH | T1BA346C5833B88F17E26F8BBDD5B1149F87B1F143E90AF78E0C8895E82421742E949E57 |
| 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 |  Reedus0 |
| Tags: | exe spyware UmbralStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
531
Origin country :
RUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ce8f179e7e29d4f28f1c5039808e82c198264183166069d8ad567f63275c74a8.exe
Verdict:
Malicious activity
Analysis date:
2024-04-27 22:14:22 UTC
Tags:
evasion umbralstealer stealer discord exfiltration
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
Likely Malicious
Threat level:
7.5/10
Confidence:
89%
Tags:
anti-vm anti-vm cmd fingerprint hacktool lolbin masquerade rat wmic
Verdict:
Malicious
Labled as:
Jalapeno.Generic
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
Verdict:
Malicious
Result
Threat name:
Blank Grabber, Umbral Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Blank Grabber
Yara detected Umbral Stealer
Behaviour
Behavior Graph:
Score:
88%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.UmbralStealer
Status:
Malicious
First seen:
2024-04-27 22:14:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Result
Malware family:
umbral
Score:
10/10
Tags:
family:umbral spyware stealer
Behaviour
Detects videocard installed
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Reads user/profile data of web browsers
Drops file in Drivers directory
Detect Umbral payload
Umbral
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1230863499496783923/A02kDLEw6wbN8ixBXQtfYqly_yrSOMARWe64V1_a5LlUVAnlyyQj7Axye820VBzQV8HJ
Unpacked files
SH256 hash:
5658f42d6332d99827d772a710d74e905f822d23e958c86f802973c2cffe850f
MD5 hash:
7f32dcbb00de079c31ff7895ae9c0560
SHA1 hash:
e80841a355b8dce9955b9bbba63f02a4ad31a836
Detections:
INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| 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: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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