MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 519bb9d83ef8b44ad7a20404c2ddf967d25f8fb1a36d28859d1cee62c7eefbb5. 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: 17


Intelligence 17 IOCs 1 YARA 2 File information Comments

SHA256 hash: 519bb9d83ef8b44ad7a20404c2ddf967d25f8fb1a36d28859d1cee62c7eefbb5
SHA3-384 hash: d16b80175e1f4959a60b14f4769ed5a8c359db2c87d8ef3812b0a217d3ce0a93bbe81464fcaff2c509b65733abcf87bb
SHA1 hash: 7fed5dc7edb306f02f0fb6c44bd40ddd376a627c
MD5 hash: 8c1d8e39684221eb40c4a427f6cc496c
humanhash: moon-white-spaghetti-jig
File name:8c1d8e39684221eb40c4a427f6cc496c.exe
Download: download sample
Signature Stealc
File size:435'200 bytes
First seen:2024-10-10 01:55:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9eefacf83d553309fed787be341d76f9 (2 x Stealc, 1 x MarsStealer)
ssdeep 6144:ezNMJBjynosFTmGyOaFwBYMc7UEQxZaDFaLfojoDeTy:ezNgORZmGyOaOi7YxFDo02
TLSH T14B94C00266F9FEA0E5D64A338D1EF9F4B66FF811DE48675732187B2F18742A1D222311
TrID 39.5% (.EXE) InstallShield setup (43053/19/16)
28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.6% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 0201091308411100 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.235.128.225/9272627cc026cb9e.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://185.235.128.225/9272627cc026cb9e.php https://threatfox.abuse.ch/ioc/1335194/

Intelligence


File Origin
# of uploads :
1
# of downloads :
407
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8c1d8e39684221eb40c4a427f6cc496c.exe
Verdict:
Malicious activity
Analysis date:
2024-10-10 01:56:23 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
89.1%
Tags:
phishing hype onli
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.
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.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 malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1530414 Sample: PGUs9p74si.exe Startdate: 10/10/2024 Architecture: WINDOWS Score: 100 25 nwgrus.ru 2->25 41 Multi AV Scanner detection for domain / URL 2->41 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 8 other signatures 2->47 7 PGUs9p74si.exe 2->7         started        10 ciebisd 2->10         started        12 ciebisd 2->12         started        signatures3 process4 signatures5 49 Detected unpacking (changes PE section rights) 7->49 51 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->51 53 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->53 55 Switches to a custom stack to bypass stack traces 7->55 14 explorer.exe 95 5 7->14 injected 57 Antivirus detection for dropped file 10->57 59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 63 Maps a DLL or memory area into another process 12->63 65 Checks if the current machine is a virtual machine (disk enumeration) 12->65 67 Creates a thread in another existing process (thread injection) 12->67 process6 dnsIp7 27 190.156.239.49, 50026, 50027, 50028 TelmexColombiaSACO Colombia 14->27 29 23.145.40.164, 443, 49905 SURFAIRWIRELESS-IN-01US Reserved 14->29 31 nwgrus.ru 92.36.226.66, 49765, 49770, 49777 BIHNETBIHNETAutonomusSystemBA Bosnia and Herzegowina 14->31 19 C:\Users\user\AppData\Roaming\ciebisd, PE32 14->19 dropped 21 C:\Users\user\AppData\Local\Temp\38AD.exe, PE32 14->21 dropped 23 C:\Users\user\...\ciebisd:Zone.Identifier, ASCII 14->23 dropped 33 System process connects to network (likely due to code injection or exploit) 14->33 35 Benign windows process drops PE files 14->35 37 Deletes itself after installation 14->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->39 file8 signatures9
Threat name:
Win32.Trojan.Malgent
Status:
Malicious
First seen:
2024-10-10 01:56:05 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
smokeloader shellcode_loader_002
Similar samples:
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor discovery trojan
Behaviour
Checks SCSI registry key(s)
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3e8639ad1d0135819687fd33836ae1a3f0a853e8ccef16caa9677e7c93a2dda6
MD5 hash:
ca55dbfb0b31adfaeada8a306f5a235f
SHA1 hash:
2590e9a769d43805646c6968a2f08f7b31fa5df7
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
519bb9d83ef8b44ad7a20404c2ddf967d25f8fb1a36d28859d1cee62c7eefbb5
MD5 hash:
8c1d8e39684221eb40c4a427f6cc496c
SHA1 hash:
7fed5dc7edb306f02f0fb6c44bd40ddd376a627c
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

File information


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

Web download

Stealc

Executable exe 519bb9d83ef8b44ad7a20404c2ddf967d25f8fb1a36d28859d1cee62c7eefbb5

(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
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceExA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesW
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::GetTempPathA
KERNEL32.dll::SetVolumeMountPointW
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen
WINHTTP.dll::WinHttpSetDefaultProxyConfiguration

Comments