MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4942ff94e613e09ebaada37b5d61a9b08459fcef987303c8dce1fd10868825ac. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4942ff94e613e09ebaada37b5d61a9b08459fcef987303c8dce1fd10868825ac
SHA3-384 hash: 51e94f4d06c2c222410292eafa1fcea04c2acea71666edf95f096658865fbc2b947f5f1b2ff361953b0191f3c69f1664
SHA1 hash: b90f71e96df4a0d654aaab1fdfe2845c8dcb8032
MD5 hash: 5d99d66ef42ec43af05b9304aebefdb6
humanhash: venus-vegan-video-grey
File name:5d99d66ef42ec43af05b9304aebefdb6.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:396'800 bytes
First seen:2024-10-03 21:25:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 66c17e6d1b4c7ae7cc41bc6b3ccb8f39 (1 x Stealc)
ssdeep 6144:7IXTv/hzKeX7nJbSN8jMidyytvXOzwgKlbG6yiWTs:ynhzKeLnJbSN8l4cPOzwgKlt1u
TLSH T19684B002D7E3FC50D71A4A31AD6EC6E4A52EFC919E1A635F231C6E2F1A70161C663732
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 000501010105138a (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.196.10.147/f6c05fe452e5af24.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://185.196.10.147/f6c05fe452e5af24.php https://threatfox.abuse.ch/ioc/1333484/

Intelligence

File Origin
# of uploads :
1
# of downloads :
417
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5d99d66ef42ec43af05b9304aebefdb6.exe
Verdict:
Malicious activity
Analysis date:
2024-10-03 21:26:58 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/8b2161f3-2dd1-4689-9386-2e85401b0ba2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Verdict:
Clean
Score:
89.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ff0bea0fdf8887097cdcae
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
Link:
https://www.filescan.io/uploads/66ff0bea1d5b53736aa4c6bf/reports/6f7a39a4-c4b4-4f8d-a4a8-e1829f81d40a/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/4942ff94e613e09ebaada37b5d61a9b08459fcef987303c8dce1fd10868825ac
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/036f5cda-7b04-4684-89de-608d57cd5e87
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1525244
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 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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1525244 Sample: 9VgIkx4su0.exe Startdate: 03/10/2024 Architecture: WINDOWS Score: 100 53 nwgrus.ru 2->53 55 calvinandhalls.com 2->55 69 Suricata IDS alerts for network traffic 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 7 other signatures 2->75 10 9VgIkx4su0.exe 2->10         started        13 eihchav 2->13         started        15 dghchav 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 98 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 57 187.131.253.169, 50028, 50030, 50032 UninetSAdeCVMX Mexico 19->57 59 nwgrus.ru 190.224.203.37, 49755, 49765, 49776 TelecomArgentinaSAAR Argentina 19->59 61 2 other IPs or domains 19->61 45 C:\Users\user\AppData\Roaming\eihchav, PE32 19->45 dropped 47 C:\Users\user\AppData\Roaming\dghchav, PE32 19->47 dropped 49 C:\Users\user\AppData\Local\Temp\FDDB.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 FDDB.exe 2 19->24         started        27 3E40.exe 19->27         started        29 explorer.exe 20 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 1 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 1 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
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4942ff94e613e09ebaada37b5d61a9b08459fcef987303c8dce1fd10868825ac
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4942ff94e613e09ebaada37b5d61a9b08459fcef987303c8dce1fd10868825ac/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-10-03 21:26:10 UTC
File Type:
PE (Exe)
Extracted files:
68
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jfbp7fhgcpqj5ovnun5v2ynjwccft7hptbzqhsg44h6rbbuiewwa._file
Verdict:
malicious
Label(s):
shellcode_loader_002
Create hunting rule
smokeloader
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor discovery trojan
Link:
https://tria.ge/reports/241003-z959faxdrr/
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/526b3626-7280-4297-80bb-f8065b2c49a0
Unpacked files
SH256 hash:
e6ba66002cc9abbe8b50c987b242676bcec42c3fc8362d17478ea169ae52be94
MD5 hash:
ffe5d609545e89a315ac9214400a4dc0
SHA1 hash:
0ad75d212de39c6e468a520b04033425c02dd828
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/31b54cc7-4903-4f48-8671-38241869028f/
Parent samples :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 hash:
4942ff94e613e09ebaada37b5d61a9b08459fcef987303c8dce1fd10868825ac
MD5 hash:
5d99d66ef42ec43af05b9304aebefdb6
SHA1 hash:
b90f71e96df4a0d654aaab1fdfe2845c8dcb8032
Link:
https://www.unpac.me/results/31b54cc7-4903-4f48-8671-38241869028f/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4942ff94e613/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4942ff94e613e09ebaada37b5d61a9b08459fcef987303c8dce1fd10868825ac

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_Malicious_VBScript_Base64
Create hunting rule
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 4942ff94e613e09ebaada37b5d61a9b08459fcef987303c8dce1fd10868825ac

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3192422/
  
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_NXMissing Non-Executable Memory Protectioncritical
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::GetDiskFreeSpaceExA
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::GetComputerNameW
KERNEL32.dll::QueryDosDeviceW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

Comments