MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41dab8f1e7a6092801641580c860411d84f5cadb49e182dce6a27d3b9d575642. 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: 18


Intelligence 18 IOCs 1 YARA 2 File information Comments

SHA256 hash: 41dab8f1e7a6092801641580c860411d84f5cadb49e182dce6a27d3b9d575642
SHA3-384 hash: e6cca9bdb93d1432cdb2a40d4d4f62a834a3ca0db42a7cc53a1785a167edf52433404771f2823eb6fd5e3c3dad780fba
SHA1 hash: 968e1b0d9fac36405f25ea42a503d59c6cddc3dd
MD5 hash: 9e59820449a43770ed05f10b3ab28195
humanhash: potato-alpha-music-tennis
File name:9e59820449a43770ed05f10b3ab28195.exe
Download: download sample
Signature Stealc
File size:717'824 bytes
First seen:2024-10-29 00:35:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 43ef3dabfaf0de905bd6b3c1c9d6dfcf (3 x Stealc)
ssdeep 12288:gbjFu86btDzJ3Iir8CHpfI/4P//aGgsdq6d4cBkoaevnO//ay4k0Ql:g/F3SJ3n8iw/4P//dgsI6tWoJvOqy4LS
TLSH T10CE41202F285D472D25AC2740C15C6F8297AFCBACA149A9737383F6F3D717D2966630A
TrID 38.6% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
29.0% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 080402022808a000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://77.83.175.105/18a9a962225b1ffb.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://77.83.175.105/18a9a962225b1ffb.php https://threatfox.abuse.ch/ioc/1339811/

Intelligence


File Origin
# of uploads :
1
# of downloads :
455
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9e59820449a43770ed05f10b3ab28195.exe
Verdict:
Malicious activity
Analysis date:
2024-10-29 00:37:35 UTC
Tags:
stealer stealc loader rust

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Powershell Azorult Lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected
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.
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
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 dnsIp2 2 Behavior Graph ID: 1544191 Sample: KMfWqiiMu0.exe Startdate: 29/10/2024 Architecture: WINDOWS Score: 100 39 campuspersever.es 2->39 53 Suricata IDS alerts for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 8 other signatures 2->59 9 KMfWqiiMu0.exe 2->9         started        signatures3 process4 signatures5 61 Detected unpacking (changes PE section rights) 9->61 63 Detected unpacking (overwrites its own PE header) 9->63 65 Creates HTML files with .exe extension (expired dropper behavior) 9->65 67 4 other signatures 9->67 12 KMfWqiiMu0.exe 36 9->12         started        process6 dnsIp7 47 77.83.175.105, 49730, 49756, 80 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Ukraine 12->47 49 campuspersever.es 87.106.236.48, 443, 49930 ONEANDONE-ASBrauerstrasse48DE Germany 12->49 51 127.0.0.1 unknown unknown 12->51 27 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 12->27 dropped 29 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->29 dropped 31 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->31 dropped 33 10 other files (none is malicious) 12->33 dropped 69 Tries to steal Mail credentials (via file / registry access) 12->69 71 Found many strings related to Crypto-Wallets (likely being stolen) 12->71 73 Tries to harvest and steal ftp login credentials 12->73 75 3 other signatures 12->75 17 chrome.exe 12->17         started        20 cmd.exe 1 12->20         started        file8 signatures9 process10 dnsIp11 35 192.168.2.4, 443, 49723, 49724 unknown unknown 17->35 37 239.255.255.250 unknown Reserved 17->37 22 chrome.exe 17->22         started        25 conhost.exe 20->25         started        process12 dnsIp13 41 apis.google.com 22->41 43 www.google.com 142.250.185.228, 443, 49734, 49735 GOOGLEUS United States 22->43 45 2 other IPs or domains 22->45
Threat name:
Win32.Trojan.AceCrypter
Status:
Malicious
First seen:
2024-10-28 19:57:10 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:logsdiller 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
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
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://77.83.175.105
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
41dab8f1e7a6092801641580c860411d84f5cadb49e182dce6a27d3b9d575642
MD5 hash:
9e59820449a43770ed05f10b3ab28195
SHA1 hash:
968e1b0d9fac36405f25ea42a503d59c6cddc3dd
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

File information


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

Web download

Stealc

Executable exe 41dab8f1e7a6092801641580c860411d84f5cadb49e182dce6a27d3b9d575642

(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::CreateProcessW
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleInputA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::GetTempFileNameW
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

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