MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffa2d47682f90005adc72092ecca35bc579803c0fb3eef11e5b22b7d5f7444df. 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 4 File information Comments

SHA256 hash: ffa2d47682f90005adc72092ecca35bc579803c0fb3eef11e5b22b7d5f7444df
SHA3-384 hash: 5400a1915c24350d3360bd3ba6278cebe1e08db2ab989d403ed6a51d4395763c493e4dccfc5519c9bb4b5fdf4983a204
SHA1 hash: 14ccb5be520ad409a6d5f298956f695e30ecba90
MD5 hash: c81ddfd4e92cca7f38caac13b39b0655
humanhash: maine-lemon-earth-pluto
File name:c81ddfd4e92cca7f38caac13b39b0655.exe
Download: download sample
Signature Stealc
File size:646'144 bytes
First seen:2024-11-04 14:30:36 UTC
Last seen:2024-11-04 16:25:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2c7c1f9d4e2814c935e3d829dfc13de6 (1 x Stealc)
ssdeep 12288:18df+97bFbzby0KKRPJkWeHMIsH/Bwggt:KdfsntblKeBL21t
Threatray 149 similar samples on MalwareBazaar
TLSH T185D4F12179F3B025F6FB9A74D97086A50EFBBA637AB2405E2A43175F1F306818E50713
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
File icon (PE):PE icon
dhash icon 12716c4cf4c4c4c4 (8 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://95.215.204.230/01c5cf374baef0e5.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://95.215.204.230/01c5cf374baef0e5.php https://threatfox.abuse.ch/ioc/1341046/

Intelligence


File Origin
# of uploads :
2
# of downloads :
435
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c81ddfd4e92cca7f38caac13b39b0655.exe
Verdict:
Malicious activity
Analysis date:
2024-11-04 14:32:59 UTC
Tags:
stealer stealc loader rust miner

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
powershell cobalt lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Connection attempt
Sending an HTTP GET request
Creating a file
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
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 malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies power options to not sleep / hibernate
Modifies the hosts file
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Sigma detected: Disable power options
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Stop EventLog
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
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)
Uses powercfg.exe to modify the power settings
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1548516 Sample: JMFoyLSCjP.exe Startdate: 04/11/2024 Architecture: WINDOWS Score: 100 94 ntp.msn.com 2->94 96 gosp.xaman.es 2->96 98 chrome.cloudflare-dns.com 2->98 122 Suricata IDS alerts for network traffic 2->122 124 Found malware configuration 2->124 126 Malicious sample detected (through community Yara rule) 2->126 128 13 other signatures 2->128 10 JMFoyLSCjP.exe 38 2->10         started        15 updater.exe 2->15         started        17 msedge.exe 632 2->17         started        19 4 other processes 2->19 signatures3 process4 dnsIp5 106 95.215.204.230, 49704, 49780, 49937 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Ukraine 10->106 108 gosp.xaman.es 87.106.236.48 ONEANDONE-ASBrauerstrasse48DE Germany 10->108 84 C:\Users\user\AppData\...\softokn3[1].dll, PE32 10->84 dropped 86 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 10->86 dropped 88 C:\Users\user\AppData\...\mozglue[1].dll, PE32 10->88 dropped 90 12 other files (8 malicious) 10->90 dropped 142 Detected unpacking (changes PE section rights) 10->142 144 Detected unpacking (overwrites its own PE header) 10->144 146 Attempt to bypass Chrome Application-Bound Encryption 10->146 156 8 other signatures 10->156 21 cmd.exe 10->21         started        23 msedge.exe 2 10 10->23         started        26 chrome.exe 8 10->26         started        29 WerFault.exe 10->29         started        148 Antivirus detection for dropped file 15->148 150 Query firmware table information (likely to detect VMs) 15->150 152 Tries to detect sandboxes and other dynamic analysis tools (window names) 15->152 158 4 other signatures 15->158 154 Adds a directory exclusion to Windows Defender 17->154 32 msedge.exe 17->32         started        34 msedge.exe 17->34         started        36 msedge.exe 17->36         started        38 msedge.exe 17->38         started        110 127.0.0.1 unknown unknown 19->110 40 WerFault.exe 19->40         started        file6 signatures7 process8 dnsIp9 42 EGIJEBGDAF.exe 21->42         started        46 conhost.exe 21->46         started        132 Monitors registry run keys for changes 23->132 48 msedge.exe 23->48         started        112 192.168.2.5, 443, 49703, 49704 unknown unknown 26->112 114 239.255.255.250 unknown Reserved 26->114 50 chrome.exe 26->50         started        92 C:\ProgramData\Microsoft\...\Report.wer, Unicode 29->92 dropped 116 ntp.msn.com 32->116 118 clients2.googleusercontent.com 32->118 120 23 other IPs or domains 32->120 file10 signatures11 process12 dnsIp13 80 C:\ProgramDatabehaviorgraphoogle\Chrome\updater.exe, PE32+ 42->80 dropped 82 C:\Windows\System32\drivers\etc\hosts, ASCII 42->82 dropped 134 Antivirus detection for dropped file 42->134 136 Query firmware table information (likely to detect VMs) 42->136 138 Uses powercfg.exe to modify the power settings 42->138 140 7 other signatures 42->140 53 powershell.exe 42->53         started        56 cmd.exe 42->56         started        58 sc.exe 42->58         started        60 12 other processes 42->60 100 www.google.com 172.217.18.4, 443, 49716, 49720 GOOGLEUS United States 50->100 102 plus.l.google.com 216.58.206.46, 443, 49764 GOOGLEUS United States 50->102 104 2 other IPs or domains 50->104 file14 signatures15 process16 signatures17 130 Loading BitLocker PowerShell Module 53->130 62 conhost.exe 53->62         started        64 WmiPrvSE.exe 53->64         started        66 conhost.exe 56->66         started        68 wusa.exe 56->68         started        70 conhost.exe 58->70         started        72 conhost.exe 60->72         started        74 conhost.exe 60->74         started        76 conhost.exe 60->76         started        78 9 other processes 60->78 process18
Threat name:
Win32.Trojan.StealC
Status:
Malicious
First seen:
2024-11-04 14:31:05 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc family:xmrig botnet:logsdiller credential_access discovery evasion execution miner persistence spyware stealer themida trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Power Settings
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Themida packer
Unsecured Credentials: Credentials In Files
Command and Scripting Interpreter: PowerShell
Creates new service(s)
Downloads MZ/PE file
Drops file in Drivers directory
Stops running service(s)
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner payload
Stealc
Stealc family
Xmrig family
xmrig
Malware Config
C2 Extraction:
http://95.215.204.230
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
ffa2d47682f90005adc72092ecca35bc579803c0fb3eef11e5b22b7d5f7444df
MD5 hash:
c81ddfd4e92cca7f38caac13b39b0655
SHA1 hash:
14ccb5be520ad409a6d5f298956f695e30ecba90
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:DebuggerHiding__Active
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 ffa2d47682f90005adc72092ecca35bc579803c0fb3eef11e5b22b7d5f7444df

(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::VirtualAllocEx
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::ReadConsoleOutputCharacterA
KERNEL32.dll::SetConsoleCursorPosition
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleAliasW
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileExW
KERNEL32.dll::MoveFileW
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::GetSystemWow64DirectoryW

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