MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f3143790b31e54503867018d679ba343508419b8855afdfcda8771d25a40384. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0f3143790b31e54503867018d679ba343508419b8855afdfcda8771d25a40384
SHA3-384 hash: d3ab2ea7b381a35ac73048d5ab90f46353b38d3f2891880fdbac2de67209ccc9793be8dadcbe1c880447ed78d4bda0c1
SHA1 hash: 239a6c6f8958502c0a54fc98a7237098ca0875d0
MD5 hash: 548fb1bcbe9b4b3bd7ed72ed919384ac
humanhash: north-social-florida-arkansas
File name:548fb1bcbe9b4b3bd7ed72ed919384ac.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:355'329 bytes
First seen:2024-04-29 05:35:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bf1070ba79872e55c98c6b1c44ebbf3c (16 x Stealc, 1 x Arechclient2, 1 x Rhadamanthys)
ssdeep 6144:Iow3n4zYeN4lwlXFWI46PcJ+bbdtuBx4rEZGl0HIsitMuK:1eeyOl1WI46PcJYSBxSMGl0I9K
TLSH T130740202BBA1D832D26A58704D3CC6A25B3F78729AB881CB37941FDE7F302D0593575A
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 64f29a989999a981 (5 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.150/c698e1bc8a2f5e6d.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
362
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0f3143790b31e54503867018d679ba343508419b8855afdfcda8771d25a40384.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 05:37:55 UTC
Tags:
gcleaner loader stealer stealc arechclient2 backdoor
Link:
https://app.any.run/tasks/3cfa8395-4961-42b1-b002-adabd7da734b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending an HTTP GET request to an infection source
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
DNS request
Connection attempt
Sending an HTTP GET request
Connecting to a non-recommended domain
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed
Link:
https://www.filescan.io/uploads/662f31c3d2fc149e4126d317/reports/e4d6233a-9c50-4ecb-9ad3-d5fcec35d442/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/0f3143790b31e54503867018d679ba343508419b8855afdfcda8771d25a40384
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.
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c98c3f9b-6157-4ed4-aebb-64213b32652c
Result
Threat name:
PureLog Stealer, RedLine, SectopRAT, zgR
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433095
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Checks if the current machine is a virtual machine (disk enumeration)
Connects to many ports of the same IP (likely port scanning)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
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
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected SectopRAT
Yara detected UAC Bypass using CMSTP
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1433095 Sample: qMcJV8jGtE.exe Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 67 download.iolo.net 2->67 69 westus2-2.in.applicationinsights.azure.com 2->69 71 5 other IPs or domains 2->71 89 Snort IDS alert for network traffic 2->89 91 Multi AV Scanner detection for domain / URL 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 13 other signatures 2->95 9 qMcJV8jGtE.exe 3 11 2->9         started        14 run.exe 2->14         started        16 chrome.exe 1 2->16         started        signatures3 process4 dnsIp5 77 185.172.128.90, 49752, 80 NADYMSS-ASRU Russian Federation 9->77 79 185.172.128.228, 49753, 80 NADYMSS-ASRU Russian Federation 9->79 85 2 other IPs or domains 9->85 59 C:\Users\user\AppData\Local\Temp\u444.3.exe, PE32 9->59 dropped 61 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->61 dropped 63 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->63 dropped 65 2 other malicious files 9->65 dropped 121 Detected unpacking (changes PE section rights) 9->121 123 Detected unpacking (overwrites its own PE header) 9->123 18 run.exe 6 9->18         started        22 u444.3.exe 12 8 9->22         started        25 u444.0.exe 9->25         started        27 WerFault.exe 21 16 9->27         started        125 Maps a DLL or memory area into another process 14->125 127 Found direct / indirect Syscall (likely to bypass EDR) 14->127 29 cmd.exe 14->29         started        81 192.168.2.4, 443, 49731, 49732 unknown unknown 16->81 83 239.255.255.250 unknown Reserved 16->83 31 chrome.exe 16->31         started        33 chrome.exe 16->33         started        file6 signatures7 process8 dnsIp9 51 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 18->51 dropped 53 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 18->53 dropped 97 Maps a DLL or memory area into another process 18->97 99 Found direct / indirect Syscall (likely to bypass EDR) 18->99 35 cmd.exe 4 18->35         started        73 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 22->73 101 Checks if the current machine is a virtual machine (disk enumeration) 22->101 39 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 14 9 22->39         started        103 Multi AV Scanner detection for dropped file 25->103 105 Machine Learning detection for dropped file 25->105 55 C:\Users\user\AppData\Local\...\hrmueqytjbqsa, PE32 29->55 dropped 107 Writes to foreign memory regions 29->107 41 conhost.exe 29->41         started        43 MSBuild.exe 29->43         started        75 www.google.com 142.250.190.132, 443, 49731, 49732 GOOGLEUS United States 31->75 file10 signatures11 process12 file13 57 C:\Users\user\AppData\Local\Temp\skvxt, PE32 35->57 dropped 109 Writes to foreign memory regions 35->109 111 Found hidden mapped module (file has been removed from disk) 35->111 113 Maps a DLL or memory area into another process 35->113 45 MSBuild.exe 35->45         started        49 conhost.exe 35->49         started        115 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 39->115 117 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 39->117 119 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 39->119 signatures14 process15 dnsIp16 87 91.215.85.66 PINDC-ASRU Russian Federation 45->87 129 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 45->129 131 Tries to harvest and steal browser information (history, passwords, etc) 45->131 signatures17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0f3143790b31e54503867018d679ba343508419b8855afdfcda8771d25a40384
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0f3143790b31e54503867018d679ba343508419b8855afdfcda8771d25a40384/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 05:36:04 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=b4yug6ilghsuka4goamnm6n2gq2qqqm3rbk27x6nvb3r2jneaoca._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:sectoprat family:stealc family:zgrat discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/240429-gakjksbh42/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Detect ZGRat V1
SectopRAT
SectopRAT payload
Stealc
ZGRat
Malware Config
C2 Extraction:
http://185.172.128.150
Unpacked files
SH256 hash:
cfc2458a54578854cae748277b7527e4a2ff4a49aa4a55b885109fc334f73865
MD5 hash:
f24e8a42d193b41ec73c76a36c30ee0d
SHA1 hash:
4ceab3b79d49350c6d9575470cd273ec1d8b26cd
Link:
https://www.unpac.me/results/4f4f88bd-7929-417f-9db2-ea85317b1cfc/
SH256 hash:
0f3143790b31e54503867018d679ba343508419b8855afdfcda8771d25a40384
MD5 hash:
548fb1bcbe9b4b3bd7ed72ed919384ac
SHA1 hash:
239a6c6f8958502c0a54fc98a7237098ca0875d0
Link:
https://www.unpac.me/results/4f4f88bd-7929-417f-9db2-ea85317b1cfc/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0f3143790b31/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/0f3143790b31e54503867018d679ba343508419b8855afdfcda8771d25a40384

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:DebuggerException__SetConsoleCtrl
Create hunting rule
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 0f3143790b31e54503867018d679ba343508419b8855afdfcda8771d25a40384

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2813846/
  
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::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetFirmwareEnvironmentVariableA
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ScrollConsoleScreenBufferA
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetConsoleTitleW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA

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