MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c86632a8ef4e46497b06979b965000700a51a2e1fdcf2bed91ff9c5b963a179. 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: 18


Intelligence 18 IOCs 1 YARA 4 File information Comments

SHA256 hash: 5c86632a8ef4e46497b06979b965000700a51a2e1fdcf2bed91ff9c5b963a179
SHA3-384 hash: af06f81cb6a398ad241553d528d1cff12ed7d695631414e86539e49189cbc3c0a9d2d60eb097e1183932fcb961a443aa
SHA1 hash: 1acfe826a57cdd04016324bcadaa6c7cd273b1f7
MD5 hash: c108169f00ff9c5ad6fa70df9137e44a
humanhash: jersey-vermont-california-wisconsin
File name:c108169f00ff9c5ad6fa70df9137e44a.exe
Download: download sample
Signature Stealc
File size:245'760 bytes
First seen:2024-10-03 00:50:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5e541f0ed19da8c67474afeab35f1a51 (1 x Stealc, 1 x GCleaner)
ssdeep 3072:RLzPcSAOVRt3J2XspmXG87Fj+95LOx8pljfo0l/B3:RLzUSAMt2XyO23M0r
Threatray 2'339 similar samples on MalwareBazaar
TLSH T1B2344B9179F0C227EFB74B314A70DAA45937BCA2AB70A19E3150B61F1A333B1B911357
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)
Magika pebin
File icon (PE):PE icon
dhash icon 1219477331452704 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://45.88.105.102/16f0dab394a3d6f7.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://45.88.105.102/16f0dab394a3d6f7.php https://threatfox.abuse.ch/ioc/1333159/

Intelligence


File Origin
# of uploads :
1
# of downloads :
411
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c108169f00ff9c5ad6fa70df9137e44a.exe
Verdict:
Malicious activity
Analysis date:
2024-10-03 00:50:59 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Smokeloader Phishing Hype Onli
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
DNS request
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1524644 Sample: v173TV3V11.exe Startdate: 03/10/2024 Architecture: WINDOWS Score: 100 58 nwgrus.ru 2->58 60 globalviewsnature.com 2->60 62 calvinandhalls.com 2->62 76 Multi AV Scanner detection for domain / URL 2->76 78 Suricata IDS alerts for network traffic 2->78 80 Found malware configuration 2->80 82 6 other signatures 2->82 11 v173TV3V11.exe 2->11         started        14 bsjhhuh 2->14         started        16 vejhhuh 2->16         started        18 msiexec.exe 2->18         started        signatures3 process4 signatures5 124 Detected unpacking (changes PE section rights) 11->124 126 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 11->126 128 Maps a DLL or memory area into another process 11->128 20 explorer.exe 64 9 11->20 injected 130 Antivirus detection for dropped file 14->130 132 Multi AV Scanner detection for dropped file 14->132 134 Machine Learning detection for dropped file 14->134 136 Checks if the current machine is a virtual machine (disk enumeration) 16->136 138 Creates a thread in another existing process (thread injection) 16->138 140 Switches to a custom stack to bypass stack traces 16->140 process6 dnsIp7 64 201.212.52.197, 49792, 49794, 49796 TelecomArgentinaSAAR Argentina 20->64 66 calvinandhalls.com 23.145.40.162, 443, 49768, 49769 SURFAIRWIRELESS-IN-01US Reserved 20->66 68 2 other IPs or domains 20->68 50 C:\Users\user\AppData\Roaming\vejhhuh, PE32 20->50 dropped 52 C:\Users\user\AppData\Roaming\bsjhhuh, PE32 20->52 dropped 54 C:\Users\user\AppData\Local\Temp\C35.exe, PE32 20->54 dropped 56 2 other malicious files 20->56 dropped 90 System process connects to network (likely due to code injection or exploit) 20->90 92 Benign windows process drops PE files 20->92 94 Injects code into the Windows Explorer (explorer.exe) 20->94 96 3 other signatures 20->96 25 451E.exe 14 20->25         started        28 C35.exe 20->28         started        30 explorer.exe 18 20->30         started        32 5 other processes 20->32 file8 signatures9 process10 signatures11 98 Multi AV Scanner detection for dropped file 25->98 100 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 25->100 102 Machine Learning detection for dropped file 25->102 120 2 other signatures 25->120 34 cmd.exe 1 25->34         started        104 Antivirus detection for dropped file 28->104 106 Detected unpacking (changes PE section rights) 28->106 108 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 28->108 122 4 other signatures 28->122 110 System process connects to network (likely due to code injection or exploit) 30->110 112 Found evasive API chain (may stop execution after checking mutex) 30->112 114 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 30->114 116 Tries to steal Mail credentials (via file / registry access) 30->116 118 Tries to harvest and steal browser information (history, passwords, etc) 32->118 process12 signatures13 70 Uses netsh to modify the Windows network and firewall settings 34->70 72 Uses ipconfig to lookup or modify the Windows network settings 34->72 74 Modifies the windows firewall 34->74 37 WMIC.exe 1 34->37         started        40 systeminfo.exe 34->40         started        42 net.exe 34->42         started        44 20 other processes 34->44 process14 signatures15 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 37->84 86 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 37->86 88 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 37->88 46 net1.exe 42->46         started        48 net1.exe 44->48         started        process16
Threat name:
Win32.Trojan.Stealc
Status:
Malicious
First seen:
2024-10-03 00:51:04 UTC
File Type:
PE (Exe)
Extracted files:
56
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor discovery trojan
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
5c86632a8ef4e46497b06979b965000700a51a2e1fdcf2bed91ff9c5b963a179
MD5 hash:
c108169f00ff9c5ad6fa70df9137e44a
SHA1 hash:
1acfe826a57cdd04016324bcadaa6c7cd273b1f7
Malware family:
SmokeLoader
Verdict:
Malicious
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks

File information


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

Web download

Stealc

Executable exe 5c86632a8ef4e46497b06979b965000700a51a2e1fdcf2bed91ff9c5b963a179

(this sample)

  
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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::ObjectPrivilegeAuditAlarmA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputA
KERNEL32.dll::WriteConsoleOutputAttribute
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileA
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
KERNEL32.dll::QueryDosDeviceW

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