MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55ce981c82c47282ff938ef1d0b81ba7f644f37dd6c88132d36e9df7e70dc886. 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 12 File information Comments

SHA256 hash: 55ce981c82c47282ff938ef1d0b81ba7f644f37dd6c88132d36e9df7e70dc886
SHA3-384 hash: 0900fde0481800f6acb7b046711d41c7f45ea0bd65511aed4f9d2309322d8b767f5c111b1b74ac1b10b706b8752acb82
SHA1 hash: a52f9a21b5b184f02b74d7ea2bde00666eb64c79
MD5 hash: cead2352bb8683db70ab13a7a6e31f95
humanhash: oven-sink-monkey-kitten
File name:cead2352bb8683db70ab13a7a6e31f95.exe
Download: download sample
Signature Stealc
File size:11'585'720 bytes
First seen:2024-10-30 14:00:14 UTC
Last seen:2024-10-30 15:21:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 141b56704f715ec5b6813dc68fb5a4da (2 x Stealc)
ssdeep 98304:+R0hUgxKIzS9ahfNrTX9S9cYYDi9DixDihDizDiFDidCydTavIZi5jGK6P1Nv/Mx:l9NrTt4cY4faqi5jzQLnLZeWA2FK
TLSH T140C6BE036245942ECC2BFA764E2AC54458367E533D218CBEDBE82C285E3574E79ED732
TrID 84.9% (.EXE) Inno Setup installer (107240/4/30)
8.3% (.EXE) Win64 Executable (generic) (10522/11/4)
3.5% (.EXE) Win32 Executable (generic) (4504/4/1)
1.5% (.EXE) Generic Win/DOS Executable (2002/3)
1.5% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
File icon (PE):PE icon
dhash icon 70cc9e96968ecc70 (2 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://65.108.249.83/3392f30dc348fa7b.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://65.108.249.83/3392f30dc348fa7b.php https://threatfox.abuse.ch/ioc/1340027/

Intelligence


File Origin
# of uploads :
2
# of downloads :
419
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cead2352bb8683db70ab13a7a6e31f95.exe
Verdict:
Malicious activity
Analysis date:
2024-10-30 14:05:58 UTC
Tags:
stealer stealc loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
powershell cobalt emotet lien
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd embarcadero_delphi expand fingerprint installer keylogger lolbin overlay packed regsvr32 runonce
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.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Maps a DLL or memory area into another process
Monitors registry run keys for changes
Suricata IDS alerts 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)
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1545437 Sample: 0T32Kz4dZU.exe Startdate: 30/10/2024 Architecture: WINDOWS Score: 100 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 Yara detected Stealc 2->67 69 4 other signatures 2->69 7 0T32Kz4dZU.exe 32 2->7         started        12 msedge.exe 105 630 2->12         started        process3 dnsIp4 51 65.108.249.83, 49723, 80 ALABANZA-BALTUS United States 7->51 53 127.0.0.1 unknown unknown 7->53 33 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 7->33 dropped 35 C:\Users\user\AppData\...\softokn3[1].dll, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 7->37 dropped 39 10 other files (none is malicious) 7->39 dropped 71 Tries to steal Mail credentials (via file / registry access) 7->71 73 Found many strings related to Crypto-Wallets (likely being stolen) 7->73 75 Tries to harvest and steal ftp login credentials 7->75 79 3 other signatures 7->79 14 msedge.exe 2 10 7->14         started        17 chrome.exe 7->17         started        55 192.168.2.16 unknown unknown 12->55 77 Maps a DLL or memory area into another process 12->77 20 msedge.exe 12->20         started        22 msedge.exe 12->22         started        24 msedge.exe 12->24         started        26 3 other processes 12->26 file5 signatures6 process7 dnsIp8 81 Monitors registry run keys for changes 14->81 28 msedge.exe 14->28         started        41 192.168.2.6, 443, 49706, 49708 unknown unknown 17->41 43 239.255.255.250 unknown Reserved 17->43 30 chrome.exe 17->30         started        45 23.218.232.185 RAYA-ASEG United States 20->45 47 13.107.246.57, 443, 49939, 49946 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 20->47 49 25 other IPs or domains 20->49 signatures9 process10 dnsIp11 57 plus.l.google.com 142.250.186.142, 443, 49829 GOOGLEUS United States 30->57 59 www.google.com 172.217.16.196, 443, 49781, 49785 GOOGLEUS United States 30->59 61 2 other IPs or domains 30->61
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-10-30 14:01:06 UTC
File Type:
PE (Exe)
Extracted files:
88
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:default credential_access discovery spyware stealer
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
Program crash
System Location Discovery: System Language Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Uses browser remote debugging
Stealc
Stealc family
Malware Config
C2 Extraction:
http://65.108.249.83
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
1468cd19b7c51784b9e5f4f3602a98243681bf478c9148fdf5fdbfb56e5ae3a0
MD5 hash:
f52f89ea9b8331cabc5680e1d5cfb212
SHA1 hash:
469a7b8fe304b2f442abfed49bab6933ef0f9ed1
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
388a796580234efc95f3b1c70ad4cb44bfddc7ba0f9203bf4902b9929b136f95
MD5 hash:
e4211d6d009757c078a9fac7ff4f03d4
SHA1 hash:
019cd56ba687d39d12d4b13991c9a42ea6ba03da
SH256 hash:
55ce981c82c47282ff938ef1d0b81ba7f644f37dd6c88132d36e9df7e70dc886
MD5 hash:
cead2352bb8683db70ab13a7a6e31f95
SHA1 hash:
a52f9a21b5b184f02b74d7ea2bde00666eb64c79
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:Borland
Author:malware-lu
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Web download

Stealc

Executable exe 55ce981c82c47282ff938ef1d0b81ba7f644f37dd6c88132d36e9df7e70dc886

(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
AUTH_APIManipulates User Authorizationadvapi32.dll::AllocateAndInitializeSid
advapi32.dll::EqualSid
advapi32.dll::FreeSid
advapi32.dll::InitializeSecurityDescriptor
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoFreeUnusedLibraries
MULTIMEDIA_APICan Play Multimediagdi32.dll::StretchDIBits
winmm.dll::timeGetTime
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
advapi32.dll::GetTokenInformation
advapi32.dll::SetSecurityDescriptorDacl
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteW
shell32.dll::ShellExecuteExW
shell32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
advapi32.dll::OpenProcessToken
kernel32.dll::OpenProcess
advapi32.dll::OpenThreadToken
kernel32.dll::VirtualAllocEx
kernel32.dll::WriteProcessMemory
WIN_BASE_APIUses Win Base APIkernel32.dll::TerminateProcess
kernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::GetDriveTypeW
kernel32.dll::GetSystemInfo
WIN_BASE_IO_APICan Create Fileskernel32.dll::CopyFileW
kernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
kernel32.dll::DeleteFileW
kernel32.dll::MoveFileW
kernel32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account Informationkernel32.dll::GetComputerNameW
advapi32.dll::GetUserNameW
advapi32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows Networkingmpr.dll::WNetEnumResourceW
mpr.dll::WNetGetUniversalNameW
mpr.dll::WNetOpenEnumW
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegCreateKeyExW
advapi32.dll::RegDeleteKeyW
advapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryInfoKeyW
advapi32.dll::RegQueryValueExW
advapi32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::AppendMenuW
user32.dll::CreateMenu
user32.dll::EmptyClipboard
user32.dll::FindWindowExW
user32.dll::FindWindowW

Comments