MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75710e4a218440b1e9e330f231cfca45d5f7c41eacf9a7bd45bfd06042b79eac. 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: 16


Intelligence 16 IOCs 1 YARA 2 File information Comments

SHA256 hash: 75710e4a218440b1e9e330f231cfca45d5f7c41eacf9a7bd45bfd06042b79eac
SHA3-384 hash: e953fddcd26eb87ddacf5abd964d3a17d27042d4c41e81b75187a9482a65388d82f5decbb2677010ee9fd8db6ed176f9
SHA1 hash: 607dfb9f8f4c2f2168eaf7288af3c5058c2f6c70
MD5 hash: 40c8a5369b14d0967fff9cd5ad43f758
humanhash: berlin-river-quiet-mississippi
File name:40c8a5369b14d0967fff9cd5ad43f758.exe
Download: download sample
Signature Stealc
File size:246'784 bytes
First seen:2024-10-14 19:35:38 UTC
Last seen:2024-10-14 20:23:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9ccb2525dd90a985cad2111bfde8ce86 (2 x Stealc)
ssdeep 3072:BMvqlvkg73D2hiv0TetiP53qJzxB9qus7PuGPPEMCGbXal/T:qvqlv77T1QbqpxB9quKuGPPtn
Threatray 3'585 similar samples on MalwareBazaar
TLSH T12E342902A2F26854F7B78E314F39FFD42A3FF9629E65625F52241A1F08715B0C992723
TrID 34.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.8% (.EXE) InstallShield setup (43053/19/16)
18.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
6.3% (.EXE) Win64 Executable (generic) (10522/11/4)
3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
File icon (PE):PE icon
dhash icon 0c074134c041130c (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.244.219.195/84b1033fc5807299.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://185.244.219.195/84b1033fc5807299.php https://threatfox.abuse.ch/ioc/1336428/

Intelligence


File Origin
# of uploads :
2
# of downloads :
418
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
40c8a5369b14d0967fff9cd5ad43f758.exe
Verdict:
Malicious activity
Analysis date:
2024-10-14 19:36:26 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
Phishing Hype Onli
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed smokeloader
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
Query firmware table information (likely to detect VMs)
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: 1533553 Sample: bTtEK8Zp6H.exe Startdate: 14/10/2024 Architecture: WINDOWS Score: 100 26 tnc-corp.ru 2->26 28 api.msn.com 2->28 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 4 other signatures 2->46 8 bTtEK8Zp6H.exe 2->8         started        11 ieisugs 2->11         started        13 explorer.exe 25 143 2->13         started        signatures3 process4 signatures5 48 Detected unpacking (changes PE section rights) 8->48 50 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->50 52 Maps a DLL or memory area into another process 8->52 54 Switches to a custom stack to bypass stack traces 8->54 15 explorer.exe 31 3 8->15 injected 56 Machine Learning detection for dropped file 11->56 58 Checks if the current machine is a virtual machine (disk enumeration) 11->58 60 Creates a thread in another existing process (thread injection) 11->60 62 Query firmware table information (likely to detect VMs) 13->62 process6 dnsIp7 30 tnc-corp.ru 200.45.93.45, 49736, 49737, 49738 TelecomArgentinaSAAR Argentina 15->30 22 C:\Users\user\AppData\Roaming\ieisugs, PE32 15->22 dropped 24 C:\Users\user\...\ieisugs:Zone.Identifier, ASCII 15->24 dropped 32 System process connects to network (likely due to code injection or exploit) 15->32 34 Benign windows process drops PE files 15->34 36 Deletes itself after installation 15->36 38 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->38 20 WerFault.exe 21 15->20         started        file8 signatures9 process10
Threat name:
Win32.Trojan.StealC
Status:
Malicious
First seen:
2024-10-14 19:36:10 UTC
File Type:
PE (Exe)
Extracted files:
62
AV detection:
23 of 24 (95.83%)
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
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 75710e4a218440b1e9e330f231cfca45d5f7c41eacf9a7bd45bfd06042b79eac

(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::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesLengthA
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleFontSize
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileA
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceA

Comments