MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e798106229f6985b40bd436abaf516360b7d19501f0f8c1ce89a3197ebb421a4. 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 3 File information Comments

SHA256 hash: e798106229f6985b40bd436abaf516360b7d19501f0f8c1ce89a3197ebb421a4
SHA3-384 hash: a68c90a009e9e00a7ce3768e32ebdaa52b3006e69ff24379b4b2bd02939f9c8d3d1b66fa376879f777419d12bb42254d
SHA1 hash: d9fcee0d2a68c509bd8fc8c30ee263de5c80b883
MD5 hash: 43da422957b397e2805362661ab3fd4a
humanhash: bakerloo-robin-salami-autumn
File name:43da422957b397e2805362661ab3fd4a.exe
Download: download sample
Signature Stealc
File size:384'512 bytes
First seen:2024-10-03 10:25:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5c51ec4a6f442a6a3636ad4616307822 (1 x Stealc)
ssdeep 6144:6rkVntaABNOcmGaDOVufNOsGps4qCMasrHBtlFDhTD:+ya0NMfslplxUrHtFDF
Threatray 2'626 similar samples on MalwareBazaar
TLSH T1E184B002E3E37D50E53E4B315D6EC7E4662EB4635E5526AF23282A2F1B701A2D573331
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon 0001014005250402 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.250.207.143/0e14acf91a669df4.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://185.250.207.143/0e14acf91a669df4.php https://threatfox.abuse.ch/ioc/1333374/

Intelligence


File Origin
# of uploads :
1
# of downloads :
406
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
43da422957b397e2805362661ab3fd4a.exe
Verdict:
Malicious activity
Analysis date:
2024-10-03 10:26:49 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
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.
Malware family:
Malicious Packer
Verdict:
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
Multi AV Scanner detection for submitted 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)
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
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)
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: 1524903 Sample: veEGy9FijY.exe Startdate: 03/10/2024 Architecture: WINDOWS Score: 100 53 nwgrus.ru 2->53 55 calvinandhalls.com 2->55 69 Multi AV Scanner detection for domain / URL 2->69 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 8 other signatures 2->75 10 veEGy9FijY.exe 2->10         started        13 haevsid 2->13         started        15 uievsid 2->15         started        17 3 other processes 2->17 signatures3 process4 signatures5 117 Detected unpacking (changes PE section rights) 10->117 119 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->119 121 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->121 123 Switches to a custom stack to bypass stack traces 10->123 19 explorer.exe 75 9 10->19 injected 125 Antivirus detection for dropped file 13->125 127 Multi AV Scanner detection for dropped file 13->127 129 Machine Learning detection for dropped file 13->129 131 Maps a DLL or memory area into another process 15->131 133 Checks if the current machine is a virtual machine (disk enumeration) 15->133 135 Creates a thread in another existing process (thread injection) 15->135 process6 dnsIp7 57 calvinandhalls.com 23.145.40.162, 443, 49766, 49767 SURFAIRWIRELESS-IN-01US Reserved 19->57 59 23.145.40.164, 443, 49762 SURFAIRWIRELESS-IN-01US Reserved 19->59 61 2 other IPs or domains 19->61 45 C:\Users\user\AppData\Roaming\uievsid, PE32 19->45 dropped 47 C:\Users\user\AppData\Roaming\haevsid, PE32 19->47 dropped 49 C:\Users\user\AppData\Local\Temp\BC8F.exe, PE32+ 19->49 dropped 51 2 other malicious files 19->51 dropped 83 System process connects to network (likely due to code injection or exploit) 19->83 85 Benign windows process drops PE files 19->85 87 Injects code into the Windows Explorer (explorer.exe) 19->87 89 3 other signatures 19->89 24 BC8F.exe 2 19->24         started        27 38E5.exe 19->27         started        29 explorer.exe 18 19->29         started        31 5 other processes 19->31 file8 signatures9 process10 signatures11 91 Multi AV Scanner detection for dropped file 24->91 93 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->93 95 Machine Learning detection for dropped file 24->95 97 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 24->97 33 cmd.exe 24->33         started        99 Antivirus detection for dropped file 27->99 101 Detected unpacking (changes PE section rights) 27->101 103 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 27->103 115 5 other signatures 27->115 105 System process connects to network (likely due to code injection or exploit) 29->105 107 Found evasive API chain (may stop execution after checking mutex) 29->107 109 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->109 111 Tries to steal Mail credentials (via file / registry access) 29->111 113 Tries to harvest and steal browser information (history, passwords, etc) 31->113 process12 signatures13 63 Uses netsh to modify the Windows network and firewall settings 33->63 65 Uses ipconfig to lookup or modify the Windows network settings 33->65 67 Modifies the windows firewall 33->67 36 WMIC.exe 33->36         started        39 systeminfo.exe 33->39         started        41 conhost.exe 33->41         started        43 17 other processes 33->43 process14 signatures15 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 36->77 79 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 36->79 81 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 36->81
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-10-03 10:26:05 UTC
File Type:
PE (Exe)
Extracted files:
53
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
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:
e798106229f6985b40bd436abaf516360b7d19501f0f8c1ce89a3197ebb421a4
MD5 hash:
43da422957b397e2805362661ab3fd4a
SHA1 hash:
d9fcee0d2a68c509bd8fc8c30ee263de5c80b883
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:Detect_Malicious_VBScript_Base64
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.

File information


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

Web download

Stealc

Executable exe e798106229f6985b40bd436abaf516360b7d19501f0f8c1ce89a3197ebb421a4

(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::SetProcessShutdownParameters
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceExW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::GetConsoleAliasExesA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateHardLinkA
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::GetTempPathA
KERNEL32.dll::SetVolumeMountPointW
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
KERNEL32.dll::QueryDosDeviceW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

Comments