MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f5626994c08eff435ab529331b58a140cd0eb780acd4ffe175e7edd70a0bf63c. 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
Stealc
Vendor detections: 16
| SHA256 hash: | f5626994c08eff435ab529331b58a140cd0eb780acd4ffe175e7edd70a0bf63c |
|---|---|
| SHA3-384 hash: | caf927efdb181ed7551f8004bd39bfe4e7e7d23084c16e06dcd569c3f5debe742af511e9c01792336d433df4b350b98a |
| SHA1 hash: | a2e34bc5223abec43d9c8cff74643de5b15a4d5c |
| MD5 hash: | aa002f082380ecd12dedf0c0190081e1 |
| humanhash: | neptune-grey-montana-india |
| File name: | kisloyat.exe |
| Download: | download sample |
| Signature | Stealc |
| File size: | 244'736 bytes |
| First seen: | 2024-11-30 21:49:57 UTC |
| Last seen: | 2024-12-16 06:55:12 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 9688495fa0fb07674109d4238c74f5ee (13 x Stealc) |
| ssdeep | 3072:CLCrbK4vn4p+U1v+N3Bz1IJ8JEchyka7Z7LU/fmvXXkdMJ08:waGm1U5Y1ICJU117L+eX0dqz |
| Threatray | 66 similar samples on MalwareBazaar |
| TLSH | T1FC343B25DF40583FDD12827CD6B9B3D1B22629A96312D8D733CC26194DF40E32D7E6AA |
| TrID | 43.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 22.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 9.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.0% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.2% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  aachum |
| Tags: | exe Stealc |
iamaachum
https://github.com/olosha1/uparowas/blob/main/kisloyat.exeStealC C2: http://154.216.17.90/a48146f6763ef3af.php
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| http://154.216.17.90/a48146f6763ef3af.php | https://threatfox.abuse.ch/ioc/1349741/ |
Intelligence
File Origin
# of uploads :
3
# of downloads :
428
Origin country :
ESVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
kisloyat.exe
Verdict:
Malicious activity
Analysis date:
2024-11-30 21:52:54 UTC
Tags:
stealer stealc loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
99.1%
Tags:
bitcoin crypt lien sage
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
microsoft_visual_cc
Verdict:
Malicious
Labled as:
Zusy.Generic
Malware family:
Vidar
Verdict:
Malicious
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.LummaStealer
Status:
Malicious
First seen:
2024-11-30 21:50:06 UTC
File Type:
PE (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
stealc
Similar samples:
+ 56 additional samples on MalwareBazaar
Result
Malware family:
stealc
Score:
10/10
Tags:
family:stealc botnet:qqtalk credential_access discovery spyware stealer
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Uses browser remote debugging
Stealc
Stealc family
Malware Config
C2 Extraction:
http://154.216.17.90
Verdict:
Malicious
Tags:
stealer stealc Win.Malware.Stealerc-10034234-0
YARA:
CAPE_Stealc Stealc
Unpacked files
SH256 hash:
f5626994c08eff435ab529331b58a140cd0eb780acd4ffe175e7edd70a0bf63c
MD5 hash:
aa002f082380ecd12dedf0c0190081e1
SHA1 hash:
a2e34bc5223abec43d9c8cff74643de5b15a4d5c
Detections:
VidarStealer
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: | command_and_control |
|---|---|
| Author: | CD_R0M_ |
| Description: | This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Detect_PowerShell_Obfuscation |
|---|---|
| Author: | daniyyell |
| Description: | Detects obfuscated PowerShell commands commonly used in malicious scripts. |
| Rule name: | RansomPyShield_Antiransomware |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP) |
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | Stealc |
|---|---|
| Author: | kevoreilly |
| Description: | Stealc Payload |
| Rule name: | Stealc_unpacked_PulseIntel |
|---|---|
| Author: | PulseIntel |
| Description: | Stealc Payload |
| Rule name: | Stealer_Stealc |
|---|---|
| Author: | Still |
| Description: | attempts to match instructions/strings found in Stealc |
| Rule name: | Vidar_unpacked_PulseIntel |
|---|---|
| Author: | PulseIntel |
| Description: | Vidar Payload |
| Rule name: | Windows_Generic_Threat_2bba6bae |
|---|---|
| Author: | Elastic Security |
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 (HIGH_ENTROPY_VA) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CreateProcessA KERNEL32.dll::OpenProcess |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW |
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