MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c34cb8c14825ab520e83bfd4c4b27f96f10572dbce7821fd1aad65ae61738f55. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c34cb8c14825ab520e83bfd4c4b27f96f10572dbce7821fd1aad65ae61738f55
SHA3-384 hash: 41cd5fa5f24c44405fa3b5eff2c45c8d668fcb36aa873df6f96595e9282509d7d681c24183da1b686866da47bbe40cdd
SHA1 hash: aed2a8df0a1cfa02e957efdcf8d273bca99c6943
MD5 hash: 613b8372ecb33c52f4448ed991adb5ee
humanhash: illinois-lima-earth-purple
File name:613b8372ecb33c52f4448ed991adb5ee
Download: download sample
Signature Stealc
Create hunting rule
File size:473'089 bytes
First seen:2024-04-10 02:46:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 03fef0a88147ac10cbc79b8730f0a093 (1 x Stealc)
ssdeep 6144:FVIauFHrqevZCmT5Wohgai3oMtOKB4vkjyGRmd4GOGd0rfkaQrWSEASM6x2o:FV2HrVUmPGaiYsOKGveR6eAW9px2o
TLSH T19CA4B00366E07CE0E52347B28E6EA1A536EDF9608F45AB6F2348DE1F04750B1D71E7A1
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 08181a346480c000 (1 x Stealc)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
431
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c34cb8c14825ab520e83bfd4c4b27f96f10572dbce7821fd1aad65ae61738f55.exe
Verdict:
Malicious activity
Analysis date:
2024-04-10 02:47:40 UTC
Tags:
gcleaner loader stealer stealc
Link:
https://app.any.run/tasks/4a8d3618-1ca6-45c9-bd81-4c74a5c7edcb

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

Behaviour
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
Searching for the window
Transferring files using the Background Intelligent Transfer Service (BITS)
Sending a custom TCP request
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 packed
Link:
https://www.filescan.io/uploads/6615fda7279698d249ed071f/reports/14283a02-195b-4e0a-a184-923f1ec7b255/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/c34cb8c14825ab520e83bfd4c4b27f96f10572dbce7821fd1aad65ae61738f55
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/092a9440-00dc-4676-9f49-b66b9bcd4d6a
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/1423613
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
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)
Machine Learning detection for sample
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: 1423613 Sample: NhTbi9P7oO.exe Startdate: 10/04/2024 Architecture: WINDOWS Score: 100 56 westus2-2.in.applicationinsights.azure.com 2->56 58 westus2-2.in.ai.privatelink.monitor.azure.com 2->58 60 2 other IPs or domains 2->60 84 Snort IDS alert for network traffic 2->84 86 Multi AV Scanner detection for domain / URL 2->86 88 Found malware configuration 2->88 90 16 other signatures 2->90 10 NhTbi9P7oO.exe 1 3 2->10         started        signatures3 process4 dnsIp5 64 185.172.128.90, 49730, 80 NADYMSS-ASRU Russian Federation 10->64 66 185.172.128.228, 49731, 49733, 49754 NADYMSS-ASRU Russian Federation 10->66 68 185.172.128.59, 49732, 80 NADYMSS-ASRU Russian Federation 10->68 52 C:\Users\user\AppData\Local\Temp\u5c8.1.exe, PE32 10->52 dropped 54 C:\Users\user\AppData\Local\Temp\u5c8.0.exe, PE32 10->54 dropped 104 Detected unpacking (changes PE section rights) 10->104 106 Detected unpacking (overwrites its own PE header) 10->106 15 u5c8.0.exe 58 10->15         started        20 u5c8.1.exe 16 8 10->20         started        22 WerFault.exe 21 16 10->22         started        file6 signatures7 process8 dnsIp9 70 185.172.128.209, 49734, 80 NADYMSS-ASRU Russian Federation 15->70 44 C:\Users\user\AppData\...\DAKJDAAFBK.exe, PE32 15->44 dropped 46 C:\Users\user\AppData\...\softokn3[1].dll, PE32 15->46 dropped 48 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 15->48 dropped 50 11 other files (7 malicious) 15->50 dropped 74 Multi AV Scanner detection for dropped file 15->74 76 Detected unpacking (changes PE section rights) 15->76 78 Detected unpacking (overwrites its own PE header) 15->78 82 8 other signatures 15->82 24 cmd.exe 15->24         started        27 WerFault.exe 15->27         started        72 svc.iolo.com 20.157.87.45, 49735, 49753, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 20->72 80 Checks if the current machine is a virtual machine (disk enumeration) 20->80 29 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 14 12 20->29         started        file10 signatures11 process12 signatures13 92 Uses ping.exe to sleep 24->92 94 Uses ping.exe to check the status of other devices and networks 24->94 31 DAKJDAAFBK.exe 24->31         started        34 PING.EXE 24->34         started        37 conhost.exe 24->37         started        39 conhost.exe 24->39         started        96 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 29->96 98 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 29->98 100 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 29->100 process14 dnsIp15 108 Antivirus detection for dropped file 31->108 110 Multi AV Scanner detection for dropped file 31->110 41 cmd.exe 31->41         started        62 2.2.2.2 FranceTelecom-OrangeFR France 34->62 signatures16 process17 signatures18 102 Uses ping.exe to sleep 41->102
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c34cb8c14825ab520e83bfd4c4b27f96f10572dbce7821fd1aad65ae61738f55
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c34cb8c14825ab520e83bfd4c4b27f96f10572dbce7821fd1aad65ae61738f55/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-10 02:47:05 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ynglrqkiewvvedudx7kmjmt7s3yqk4w3zz4cd7i2vvs24yltr5kq._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/240410-c9v25sfe4y/
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
Unpacked files
SH256 hash:
9874c7bd9d008c8a7105c8e402813204d5c3ddc3fb8d1aaddbb0e19d65062dfb
MD5 hash:
999af7adf5fa30b3d748da1b2e84affd
SHA1 hash:
8cfd1de05578d750b296d13f6f8bc1d78d42a891
Link:
https://www.unpac.me/results/7a4029f6-8ee9-4715-bbd2-7cad6a43223c/
SH256 hash:
c34cb8c14825ab520e83bfd4c4b27f96f10572dbce7821fd1aad65ae61738f55
MD5 hash:
613b8372ecb33c52f4448ed991adb5ee
SHA1 hash:
aed2a8df0a1cfa02e957efdcf8d273bca99c6943
Link:
https://www.unpac.me/results/7a4029f6-8ee9-4715-bbd2-7cad6a43223c/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c34cb8c14825/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EXE_Stealer_StealC_Feb2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Trojan_Generic_2993e5a5
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 c34cb8c14825ab520e83bfd4c4b27f96f10572dbce7821fd1aad65ae61738f55

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2802625/
  
URLhaus
https://urlhaus.abuse.ch/url/2789612/

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 ThreadsKERNEL32.dll::VirtualAllocEx
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeMountPointA
KERNEL32.dll::FindNextVolumeW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleInputA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleAliasW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::RemoveDirectoryW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpWriteData

Comments


Avatar
zbet commented on 2024-04-10 02:46:31 UTC

url : hxxp://185.172.128.144/ISetup5.exe