MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee
SHA3-384 hash: 1ea7e9df97cde0088497d67b990fd2f3fe5cb074e3464afb0533478024641ecdda44b2fd073eb02bfd74f60ef7aa2ab4
SHA1 hash: c072235414b249c89d2fe05691c2c0af36e54bda
MD5 hash: 4492c0fed06f47b4e844633e7b56293c
humanhash: kitten-glucose-pizza-alabama
File name:4492c0fed06f47b4e844633e7b56293c
Download: download sample
Signature Stealc
Create hunting rule
File size:465'409 bytes
First seen:2024-04-07 17:45:35 UTC
Last seen:2024-04-07 18:28:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 32db0a910f88bc9b49b86745793d5182 (3 x Stealc)
ssdeep 12288:2iB9S1zi63i/LYjQogh7cz3EP4Fn4IWneiS6U:2irSI63iTYkogh4DlKrU
TLSH T1C2A4D000EEA6D033EE2657304625D6AD1A3A7C91DB70718E3794F91F1AB37E0B52132E
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 3370ecd2ccf0335a (17 x Stealc, 5 x LummaStealer, 4 x Glupteba)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence

File Origin
# of uploads :
2
# of downloads :
353
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe
Verdict:
Malicious activity
Analysis date:
2024-04-07 18:33:39 UTC
Tags:
gcleaner loader stealer stealc
Link:
https://app.any.run/tasks/b78a541f-dcba-490e-82a2-e8a598cf8ca5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Searching for synchronization primitives
Creating a file
Launching the default Windows debugger (dwwin.exe)
DNS request
Sending an HTTP POST request
Running batch commands
Creating a process with a hidden window
Launching a process
Transferring files using the Background Intelligent Transfer Service (BITS)
Sending a custom TCP request
Enabling the 'hidden' option for files in the %temp% directory
Moving a recently created file
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint overlay
Link:
https://www.filescan.io/uploads/6612dbdd08ebdfcacdfda5cc/reports/bc73b326-e24a-4c22-8bbe-271d6c4207fb/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee
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:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5db9013c-097e-4233-9a93-ca4bc7c80b92
Result
Threat name:
Mars Stealer, PureLog Stealer, Stealc, V
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1421751
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Checks if the current machine is a virtual machine (disk enumeration)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Snort IDS alert 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)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Generic Downloader
Yara detected Mars stealer
Yara detected PureLog Stealer
Yara detected Stealc
Yara detected Vidar stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1421751 Sample: vpR5eXxE7Q.exe Startdate: 07/04/2024 Architecture: WINDOWS Score: 100 63 westus2-2.in.applicationinsights.azure.com 2->63 65 westus2-2.in.ai.privatelink.monitor.azure.com 2->65 67 2 other IPs or domains 2->67 89 Snort IDS alert for network traffic 2->89 91 Multi AV Scanner detection for domain / URL 2->91 93 Found malware configuration 2->93 95 15 other signatures 2->95 11 vpR5eXxE7Q.exe 1 3 2->11         started        signatures3 process4 dnsIp5 71 185.172.128.90, 49730, 80 NADYMSS-ASRU Russian Federation 11->71 73 185.172.128.228, 49731, 49733, 49754 NADYMSS-ASRU Russian Federation 11->73 75 185.172.128.59, 49732, 80 NADYMSS-ASRU Russian Federation 11->75 55 C:\Users\user\AppData\Local\Temp\u590.1.exe, PE32 11->55 dropped 57 C:\Users\user\AppData\Local\Temp\u590.0.exe, PE32 11->57 dropped 109 Detected unpacking (changes PE section rights) 11->109 111 Detected unpacking (overwrites its own PE header) 11->111 16 u590.0.exe 57 11->16         started        21 u590.1.exe 12 8 11->21         started        23 WerFault.exe 21 16 11->23         started        file6 signatures7 process8 dnsIp9 59 185.172.128.209, 49734, 80 NADYMSS-ASRU Russian Federation 16->59 47 C:\Users\user\AppData\...\KEGCFCAKFH.exe, PE32 16->47 dropped 49 C:\Users\user\AppData\...\softokn3[1].dll, PE32 16->49 dropped 51 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 16->51 dropped 53 11 other files (7 malicious) 16->53 dropped 79 Detected unpacking (changes PE section rights) 16->79 81 Detected unpacking (overwrites its own PE header) 16->81 83 Tries to steal Mail credentials (via file / registry access) 16->83 87 7 other signatures 16->87 25 cmd.exe 16->25         started        28 WerFault.exe 16->28         started        61 svc.iolo.com 20.157.87.45, 49735, 49753, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 21->61 85 Checks if the current machine is a virtual machine (disk enumeration) 21->85 30 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 14 13 21->30         started        file10 signatures11 process12 signatures13 99 Uses ping.exe to sleep 25->99 101 Uses ping.exe to check the status of other devices and networks 25->101 32 KEGCFCAKFH.exe 25->32         started        35 conhost.exe 25->35         started        103 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 30->103 105 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 30->105 107 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 30->107 process14 signatures15 77 Multi AV Scanner detection for dropped file 32->77 37 cmd.exe 32->37         started        40 WMIADAP.exe 32->40         started        process16 signatures17 97 Uses ping.exe to sleep 37->97 42 PING.EXE 37->42         started        45 conhost.exe 37->45         started        process18 dnsIp19 69 2.2.2.2 FranceTelecom-OrangeFR France 42->69
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee/
Threat name:
Win32.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2024-04-07 17:46:08 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oejfloep6non2f2msidhfqhlylnhoh23ur5xv7a6cbtg426tkhxa._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:stealc family:zgrat discovery rat spyware stealer
Link:
https://tria.ge/reports/240407-wcgyssad89/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Detect ZGRat V1
Stealc
ZGRat
Malware Config
C2 Extraction:
http://185.172.128.209
Unpacked files
SH256 hash:
9874c7bd9d008c8a7105c8e402813204d5c3ddc3fb8d1aaddbb0e19d65062dfb
MD5 hash:
999af7adf5fa30b3d748da1b2e84affd
SHA1 hash:
8cfd1de05578d750b296d13f6f8bc1d78d42a891
Link:
https://www.unpac.me/results/baf3e395-ef36-420f-adfe-c10e4940890b/
SH256 hash:
711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee
MD5 hash:
4492c0fed06f47b4e844633e7b56293c
SHA1 hash:
c072235414b249c89d2fe05691c2c0af36e54bda
Link:
https://www.unpac.me/results/baf3e395-ef36-420f-adfe-c10e4940890b/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/711255b88ff3/report/overview.html
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/711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

Stealc

Executable exe 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2790136/

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 (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::OpenThreadToken
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeMountPointW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleTitleA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesLengthA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyA

Comments


Avatar
zbet commented on 2024-04-07 17:45:36 UTC

url : hxxp://185.172.128.144/ISetup9.exe