MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f9ff9981dca95a05ed1175c668eb0b40a7a994818ac15644ae0f6aa7783ffe0. 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: 0f9ff9981dca95a05ed1175c668eb0b40a7a994818ac15644ae0f6aa7783ffe0
SHA3-384 hash: 206bcff384275b0949fd28a4bb74b3a653cfb838774974e7b690f878e026f194eba0b060cc6f2a28a6470585e115d723
SHA1 hash: a2e802b8a569c984ab63ba1c6d7ef84fec43c7ec
MD5 hash: d77e47afa9745c340bc9503535afcd8e
humanhash: beer-cola-indigo-butter
File name:d77e47afa9745c340bc9503535afcd8e.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:355'841 bytes
First seen:2024-04-27 22:10:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2f726f40370b375fa05d60fc38904442 (12 x Stealc, 1 x Arechclient2)
ssdeep 6144:ToBqFgnH6oK/xcYNKD8r+syjBJw45rtMLYC43J9fa7nxNHnKTf:EawahCYgD8CsKJw4/MchjCnMf
TLSH T19574F1317B60D836D2FA8938D835C6A15A3F783176B5819B335026AE0E713C19A7E35F
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) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 64f29a9899a99991 (7 x Stealc, 2 x Arechclient2)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.62/902e53a07830e030.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
315
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0f9ff9981dca95a05ed1175c668eb0b40a7a994818ac15644ae0f6aa7783ffe0.exe
Verdict:
Malicious activity
Analysis date:
2024-04-27 22:11:23 UTC
Tags:
gcleaner loader stealer stealc hijackloader arechclient2 backdoor
Link:
https://app.any.run/tasks/fe65b428-b360-435c-8445-7571a83142ec

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
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Creating a window
Searching for synchronization primitives
Creating a file
Sending an HTTP POST request
Transferring files using the Background Intelligent Transfer Service (BITS)
Sending a custom TCP request
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed
Link:
https://www.filescan.io/uploads/662d77f747bfd8641eb81222/reports/602c1ee6-b17f-448d-a97d-c8877f0a325e/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/0f9ff9981dca95a05ed1175c668eb0b40a7a994818ac15644ae0f6aa7783ffe0
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/b178b505-1b9b-4457-9b2f-80e35857bef2
Result
Threat name:
Mars Stealer, PureLog Stealer, RedLine,
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432691
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 evasive API chain (may stop execution after checking locale)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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 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)
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Mars stealer
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected SectopRAT
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1432691 Sample: VoZrC8vBJf.exe Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 78 download.iolo.net 2->78 80 westus2-2.in.applicationinsights.azure.com 2->80 82 7 other IPs or domains 2->82 120 Snort IDS alert for network traffic 2->120 122 Found malware configuration 2->122 124 Malicious sample detected (through community Yara rule) 2->124 126 18 other signatures 2->126 9 VoZrC8vBJf.exe 3 11 2->9         started        14 run.exe 2->14         started        signatures3 process4 dnsIp5 84 185.172.128.90, 49705, 80 NADYMSS-ASRU Russian Federation 9->84 86 185.172.128.228, 49706, 49711, 80 NADYMSS-ASRU Russian Federation 9->86 88 2 other IPs or domains 9->88 62 C:\Users\user\AppData\Local\Temp\u5ro.3.exe, PE32 9->62 dropped 64 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->64 dropped 66 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->66 dropped 68 2 other malicious files 9->68 dropped 128 Detected unpacking (changes PE section rights) 9->128 130 Detected unpacking (overwrites its own PE header) 9->130 16 u5ro.0.exe 69 9->16         started        21 run.exe 6 9->21         started        23 u5ro.3.exe 6 8 9->23         started        25 WerFault.exe 19 16 9->25         started        132 Maps a DLL or memory area into another process 14->132 134 Found direct / indirect Syscall (likely to bypass EDR) 14->134 27 cmd.exe 14->27         started        file6 signatures7 process8 dnsIp9 74 185.172.128.62, 49709, 80 NADYMSS-ASRU Russian Federation 16->74 48 C:\Users\user\AppData\...\softokn3[1].dll, PE32 16->48 dropped 50 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 16->50 dropped 52 C:\Users\user\AppData\...\mozglue[1].dll, PE32 16->52 dropped 60 9 other files (5 malicious) 16->60 dropped 104 Multi AV Scanner detection for dropped file 16->104 106 Detected unpacking (changes PE section rights) 16->106 108 Detected unpacking (overwrites its own PE header) 16->108 118 8 other signatures 16->118 29 WerFault.exe 16->29         started        54 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 21->54 dropped 56 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 21->56 dropped 110 Maps a DLL or memory area into another process 21->110 112 Found direct / indirect Syscall (likely to bypass EDR) 21->112 31 cmd.exe 4 21->31         started        76 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->76 114 Checks if the current machine is a virtual machine (disk enumeration) 23->114 35 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 23->35         started        58 C:\Users\user\AppData\Local\...\psvmhqaotfmdo, PE32 27->58 dropped 116 Writes to foreign memory regions 27->116 37 conhost.exe 27->37         started        39 MSBuild.exe 27->39         started        file10 signatures11 process12 file13 72 C:\Users\user\AppData\Local\Temp\eef, PE32 31->72 dropped 92 Writes to foreign memory regions 31->92 94 Found hidden mapped module (file has been removed from disk) 31->94 96 Maps a DLL or memory area into another process 31->96 41 MSBuild.exe 31->41         started        46 conhost.exe 31->46         started        98 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 35->98 100 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 35->100 102 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 35->102 signatures14 process15 dnsIp16 90 91.215.85.66 PINDC-ASRU Russian Federation 41->90 70 C:\Users\user\AppData\...\Secure Preferences, JSON 41->70 dropped 136 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 41->136 138 Found many strings related to Crypto-Wallets (likely being stolen) 41->138 140 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 41->140 142 2 other signatures 41->142 file17 signatures18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0f9ff9981dca95a05ed1175c668eb0b40a7a994818ac15644ae0f6aa7783ffe0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0f9ff9981dca95a05ed1175c668eb0b40a7a994818ac15644ae0f6aa7783ffe0/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-27 22:11:05 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=b6p7tga5zkk2axwrc5ogndvqwqfhvgkidcwbkzck4d3ku54d77qa._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/240427-13xjdshf38/
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
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://185.172.128.62
Unpacked files
SH256 hash:
cfc2458a54578854cae748277b7527e4a2ff4a49aa4a55b885109fc334f73865
MD5 hash:
f24e8a42d193b41ec73c76a36c30ee0d
SHA1 hash:
4ceab3b79d49350c6d9575470cd273ec1d8b26cd
Link:
https://www.unpac.me/results/9f83e831-94e5-4021-a098-62cd016fefb9/
SH256 hash:
0f9ff9981dca95a05ed1175c668eb0b40a7a994818ac15644ae0f6aa7783ffe0
MD5 hash:
d77e47afa9745c340bc9503535afcd8e
SHA1 hash:
a2e802b8a569c984ab63ba1c6d7ef84fec43c7ec
Link:
https://www.unpac.me/results/9f83e831-94e5-4021-a098-62cd016fefb9/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0f9ff9981dca/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/0f9ff9981dca95a05ed1175c668eb0b40a7a994818ac15644ae0f6aa7783ffe0

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 0f9ff9981dca95a05ed1175c668eb0b40a7a994818ac15644ae0f6aa7783ffe0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2804603/
  
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::SetConsoleDisplayMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA

Comments