MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3df1c18b1c5153978ef46e18445629a9e1efa05357e2eea68deaafd1e95ada45. 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 1 YARA 2 File information Comments

SHA256 hash: 3df1c18b1c5153978ef46e18445629a9e1efa05357e2eea68deaafd1e95ada45
SHA3-384 hash: ef04c36b19903e09096c10af17b4638c89809f1e4dd7c3c29f49083148bbd904df931d7e2062555c3bd6c46d51c4cbee
SHA1 hash: b020d61b46328794c0821d048ce6ea878141cd15
MD5 hash: b7cc501541ae283d404d04e24f4d5c3b
humanhash: avocado-north-ack-double
File name:b7cc501541ae283d404d04e24f4d5c3b.exe
Download: download sample
Signature Stealc
File size:244'736 bytes
First seen:2024-10-18 00:45:09 UTC
Last seen:2024-10-18 01:41:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d98e4e4b6c79fc930160a649b8fae0f0 (1 x Stealc)
ssdeep 3072:iHxCeDY73QxFOypVd1XQx5Q373DbTPMMkrinddsJoYkO/FX:iHhSQxrxTL33DrS/Ht1
Threatray 2'726 similar samples on MalwareBazaar
TLSH T1D63418A035F69029EAB74B333979A694192BFF6E6F31804E214437DF0973E918991F13
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) (10522/11/4)
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 00080903070e0800 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://91.211.248.209/e8cb7c74cdbebdf9.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://91.211.248.209/e8cb7c74cdbebdf9.php https://threatfox.abuse.ch/ioc/1337427/

Intelligence


File Origin
# of uploads :
2
# of downloads :
440
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b7cc501541ae283d404d04e24f4d5c3b.exe
Verdict:
Malicious activity
Analysis date:
2024-10-18 00:46:27 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
89.3%
Tags:
phishing hype onli
Verdict:
Unknown
Threat level:
  10/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc
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.
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
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)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1536669 Sample: wxy6cQKIqG.exe Startdate: 18/10/2024 Architecture: WINDOWS Score: 100 23 volisc.biz 2->23 25 tnc-corp.ru 2->25 27 2 other IPs or domains 2->27 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 6 other signatures 2->47 7 wxy6cQKIqG.exe 2->7         started        10 buhsbwd 2->10         started        12 buhsbwd 2->12         started        signatures3 process4 signatures5 49 Detected unpacking (changes PE section rights) 7->49 51 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->51 53 Maps a DLL or memory area into another process 7->53 61 2 other signatures 7->61 14 explorer.exe 61 3 7->14 injected 55 Multi AV Scanner detection for dropped file 10->55 57 Machine Learning detection for dropped file 10->57 59 Checks if the current machine is a virtual machine (disk enumeration) 10->59 process6 dnsIp7 29 187.211.163.147, 64304, 64305, 64306 UninetSAdeCVMX Mexico 14->29 31 tnc-corp.ru 211.171.233.126, 49736, 50003, 50004 LGDACOMLGDACOMCorporationKR Korea Republic of 14->31 19 C:\Users\user\AppData\Roaming\buhsbwd, PE32 14->19 dropped 21 C:\Users\user\...\buhsbwd:Zone.Identifier, ASCII 14->21 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.Smokeloader
Status:
Malicious
First seen:
2024-10-18 00:46:03 UTC
File Type:
PE (Exe)
Extracted files:
49
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub3 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:
3df1c18b1c5153978ef46e18445629a9e1efa05357e2eea68deaafd1e95ada45
MD5 hash:
b7cc501541ae283d404d04e24f4d5c3b
SHA1 hash:
b020d61b46328794c0821d048ce6ea878141cd15
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 3df1c18b1c5153978ef46e18445629a9e1efa05357e2eea68deaafd1e95ada45

(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::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointA
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::ReadConsoleOutputW
KERNEL32.dll::CreateConsoleScreenBuffer
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleFontSize
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
KERNEL32.dll::QueryDosDeviceW

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