MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 234fde55c1a2e0edbb66be1bd586e563a466e738822a91aea9102dd160d41667. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 234fde55c1a2e0edbb66be1bd586e563a466e738822a91aea9102dd160d41667
SHA3-384 hash: 20d5ac8adab42cf26874be1b3af79f38bafdb23c06ca2bc2364b927e8a584fe7ae5904c89adc4a22df18f629a237ec26
SHA1 hash: f101ce8b5475a7233a9d39638e8e7287d97e4b0a
MD5 hash: ca74f3a8e484c9150b0625023a1ebe73
humanhash: michigan-pasta-mike-magnesium
File name:SecuriteInfo.com.W32.Kryptik.LVF.gen.Eldorado.31156.18882
Download: download sample
Signature Stealc
Create hunting rule
File size:385'025 bytes
First seen:2024-03-22 07:30:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7a4e8c242c448314b4514b016a18a213 (3 x Stealc)
ssdeep 6144:lSxLZITHaX9qC4RIqjtmReInZU7yqf2xs8hkGGF6jfGPAe:MxLZI7aopRI+tmRe2iyqex3hDGFUGPAe
Threatray 2'365 similar samples on MalwareBazaar
TLSH T14284E00166F57C39F2F74A782978DA945E3BBCA36937429F2644123E3E712809D6132F
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 64d29a9999a9a989 (3 x Stealc, 1 x Smoke Loader)
Reporter SecuriteInfoCom
Tags:exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
312
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
234fde55c1a2e0edbb66be1bd586e563a466e738822a91aea9102dd160d41667.exe
Verdict:
Malicious activity
Analysis date:
2024-03-22 08:08:48 UTC
Tags:
stealer stealc loader
Link:
https://app.any.run/tasks/d7f2043b-909c-48a0-8e73-e12dfded558f

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
Sending an HTTP GET request to an infection source
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Connecting to a non-recommended domain
Connection attempt
Launching the default Windows debugger (dwwin.exe)
Creating a window
Searching for synchronization primitives
Creating a file
DNS request
Sending an HTTP POST request
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed stealc
Link:
https://www.filescan.io/uploads/65fd33bb757c624818b5f514/reports/fb56cee8-33ca-42ca-83ce-66bcad571001/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/234fde55c1a2e0edbb66be1bd586e563a466e738822a91aea9102dd160d41667
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3af98363-0b0e-4268-80bf-aa447dd31cea
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/1413906
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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)
Creates autostart registry keys with suspicious names
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)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: New RUN Key Pointing to Suspicious Folder
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: 1413906 Sample: SecuriteInfo.com.W32.Krypti... Startdate: 22/03/2024 Architecture: WINDOWS Score: 100 73 westus2-2.in.applicationinsights.azure.com 2->73 75 westus2-2.in.ai.privatelink.monitor.azure.com 2->75 77 2 other IPs or domains 2->77 105 Snort IDS alert for network traffic 2->105 107 Found malware configuration 2->107 109 Malicious sample detected (through community Yara rule) 2->109 111 14 other signatures 2->111 11 SecuriteInfo.com.W32.Kryptik.LVF.gen.Eldorado.31156.18882.exe 1 3 2->11         started        16 EGCFIDAFBF.exe 2->16         started        18 EGCFIDAFBF.exe 2->18         started        signatures3 process4 dnsIp5 87 185.172.128.90, 49705, 80 NADYMSS-ASRU Russian Federation 11->87 89 185.172.128.126, 49708, 80 NADYMSS-ASRU Russian Federation 11->89 91 185.172.128.187, 49706, 49707, 80 NADYMSS-ASRU Russian Federation 11->91 69 C:\Users\user\AppData\Local\Temp\u5ww.1.exe, PE32 11->69 dropped 71 C:\Users\user\AppData\Local\Temp\u5ww.0.exe, PE32 11->71 dropped 127 Detected unpacking (changes PE section rights) 11->127 129 Detected unpacking (overwrites its own PE header) 11->129 20 u5ww.0.exe 78 11->20         started        25 u5ww.1.exe 10 8 11->25         started        27 WerFault.exe 22 16 11->27         started        131 Creates autostart registry keys with suspicious names 16->131 29 cmd.exe 16->29         started        31 cmd.exe 18->31         started        file6 signatures7 process8 dnsIp9 79 185.172.128.209, 49709, 80 NADYMSS-ASRU Russian Federation 20->79 81 185.172.128.65, 49728, 80 NADYMSS-ASRU Russian Federation 20->81 61 C:\Users\user\AppData\...GCFIDAFBF.exe, PE32 20->61 dropped 63 C:\Users\user\AppData\...\softokn3[1].dll, PE32 20->63 dropped 65 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 20->65 dropped 67 11 other files (7 malicious) 20->67 dropped 115 Antivirus detection for dropped file 20->115 117 Multi AV Scanner detection for dropped file 20->117 119 Detected unpacking (changes PE section rights) 20->119 125 10 other signatures 20->125 33 cmd.exe 20->33         started        36 WerFault.exe 20->36         started        83 svc.iolo.com 20.157.87.45, 49710, 49724, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->83 121 Checks if the current machine is a virtual machine (disk enumeration) 25->121 38 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 9 25->38         started        40 conhost.exe 29->40         started        42 PING.EXE 29->42         started        123 Uses ping.exe to sleep 31->123 44 conhost.exe 31->44         started        46 PING.EXE 31->46         started        file10 signatures11 process12 signatures13 95 Uses ping.exe to sleep 33->95 97 Uses ping.exe to check the status of other devices and networks 33->97 48 EGCFIDAFBF.exe 33->48         started        51 conhost.exe 33->51         started        99 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 38->99 101 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 38->101 103 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 38->103 process14 signatures15 93 Multi AV Scanner detection for dropped file 48->93 53 cmd.exe 48->53         started        process16 signatures17 113 Uses ping.exe to sleep 53->113 56 PING.EXE 53->56         started        59 conhost.exe 53->59         started        process18 dnsIp19 85 2.2.2.2 FranceTelecom-OrangeFR France 56->85
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/234fde55c1a2e0edbb66be1bd586e563a466e738822a91aea9102dd160d41667
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/234fde55c1a2e0edbb66be1bd586e563a466e738822a91aea9102dd160d41667/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-03-22 07:31:08 UTC
File Type:
PE (Exe)
Extracted files:
33
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=enh54vobulqo3o3gxyn5lbxfmosgnzzyqivjdlvjcaw5cygucztq._file
Verdict:
malicious
Similar samples:
067374d77fa107a0b8aba17521cf619b9a2d895b076d7c33398e109bffd1a6c9
Stealc
42f37561be993b562340eee4598a6fd7ff612bba49b103703836d6ed866e02df
Stealc
4f81835bfda1de62b9e12170b2191898202c4fb181910e9c013a04617fdac602
Stealc
5386ba1b50250cf4dbb2ea90cef966f5a0d6f2850f213b52630e93afdd73891f
Stealc
87053d62a72d7819f6818ac1f24ba124ee5f0f042e7748df533b76ff94c56707
Stealc
9a252805edeadc2ed5123bc9e58494c7eb5acbb662a713693eda1c77394b7616
Stealc
b2978add4f31bf20eacdc7130326acf9d1f5c066d5802aebcc9004a0765027dd
Stealc
b6b2a535b20c12e6098f63029a4a1f235d0801815316cc2b8d170f27b3fd5b60
Stealc
d6cd1416d575b7236a8a7214d4c157b78f08369a1d4da18eca3d40d832a968bb
Stealc
+ 2'355 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:stealc family:zgrat discovery persistence rat spyware stealer
Link:
https://tria.ge/reports/240322-jcc9dsca8w/
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
Adds Run key to start application
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
Unpacked files
SH256 hash:
3eb47ce25815c3e32395ce8999c99775f9046c861d67b5105338bcbbc5b71b3b
MD5 hash:
071b5906189378941198f9fdcc671524
SHA1 hash:
a485c131c2d24942e80d4e09c70bfdb606ef3c1d
Link:
https://www.unpac.me/results/dffa92db-3dba-4121-8227-c6668320257e/
Parent samples :
e70dcf3f915087251224a7db3850669c000a6da68ef2b55e3e2eda196cb01fc3
9f48fc874f3a8b96da4bf2e0ae1157ab6c717c4b5248363450e2796ae8ac67bf
SH256 hash:
234fde55c1a2e0edbb66be1bd586e563a466e738822a91aea9102dd160d41667
MD5 hash:
ca74f3a8e484c9150b0625023a1ebe73
SHA1 hash:
f101ce8b5475a7233a9d39638e8e7287d97e4b0a
Link:
https://www.unpac.me/results/dffa92db-3dba-4121-8227-c6668320257e/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/234fde55c1a2/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/234fde55c1a2e0edbb66be1bd586e563a466e738822a91aea9102dd160d41667

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
Create hunting rule
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

File information

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

Web download

Stealc

Executable exe 234fde55c1a2e0edbb66be1bd586e563a466e738822a91aea9102dd160d41667

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2789590/
  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::GetPrivateObjectSecurity
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleTitleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

Comments