MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8addc675fcc27c94ff9e4775bb2e090f4da1287aae6b95cecc65ccf533bc61d. 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 18 File information Comments

SHA256 hash: a8addc675fcc27c94ff9e4775bb2e090f4da1287aae6b95cecc65ccf533bc61d
SHA3-384 hash: d333d94353f1b868efc51a3dc4ace0038ab06ed46aa2df310cd8a4704b1bdcc6358f7130586561430b6f13e2df60ce47
SHA1 hash: f63ce1f9eee9f3ae643e270c7fc854dc51d730d0
MD5 hash: f793d9e588c6bf51f1daf523ab2df1ce
humanhash: seventeen-romeo-batman-artist
File name:file
Download: download sample
Signature Stealc
File size:888'832 bytes
First seen:2024-10-27 16:52:52 UTC
Last seen:2024-12-18 10:28:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 10c716419074c336e9ef0fc3ed517f78 (1 x Stealc)
ssdeep 24576:Le1Q/llWMGNL/geFyNcTN+jv75TQn652VBuNyb:cQ/lldGJtF4ch+jvNm0Nyb
TLSH T10C159D02FA80993BC91B0379509FEB3A9B35A8155702CFD363C89D743DE62D26E3466D
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10522/11/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://185.215.113.16/test/num.exe

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://185.215.113.206/6c4adf523b719729.php https://threatfox.abuse.ch/ioc/1339626/

Intelligence


File Origin
# of uploads :
25
# of downloads :
360
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-10-27 19:21:49 UTC
Tags:
stealer lumma exfiltration themida loader amadey botnet stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
Powershell Lien Spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc obfuscated rijndael stealer
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
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
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: 1543327 Sample: file.exe Startdate: 27/10/2024 Architecture: WINDOWS Score: 100 42 chrome.cloudflare-dns.com 2->42 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 7 other signatures 2->70 8 file.exe 35 2->8         started        13 msedge.exe 68 631 2->13         started        signatures3 process4 dnsIp5 54 185.215.113.206, 49704, 49758, 49853 WHOLESALECONNECTIONSNL Portugal 8->54 56 127.0.0.1 unknown unknown 8->56 34 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 8->34 dropped 36 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 8->38 dropped 40 10 other files (none is malicious) 8->40 dropped 72 Tries to steal Mail credentials (via file / registry access) 8->72 74 Found many strings related to Crypto-Wallets (likely being stolen) 8->74 76 Tries to harvest and steal ftp login credentials 8->76 78 5 other signatures 8->78 15 msedge.exe 2 10 8->15         started        18 chrome.exe 8 8->18         started        21 msedge.exe 13->21         started        23 msedge.exe 13->23         started        25 msedge.exe 13->25         started        27 msedge.exe 13->27         started        file6 signatures7 process8 dnsIp9 80 Monitors registry run keys for changes 15->80 29 msedge.exe 15->29         started        44 192.168.2.5, 443, 49703, 49704 unknown unknown 18->44 46 239.255.255.250 unknown Reserved 18->46 31 chrome.exe 18->31         started        48 104.208.16.92, 443, 49949, 49955 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 21->48 50 13.107.246.57, 443, 49868, 49872 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 21->50 52 22 other IPs or domains 21->52 signatures10 process11 dnsIp12 58 plus.l.google.com 142.250.181.238, 443, 49747 GOOGLEUS United States 31->58 60 play.google.com 142.250.184.206, 443, 49756 GOOGLEUS United States 31->60 62 2 other IPs or domains 31->62
Threat name:
Win32.Trojan.Stealerc
Status:
Malicious
First seen:
2024-10-27 16:53:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:tale credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Malicious
Tags:
stealer stealc
YARA:
malware_Stealc_str Windows_Trojan_Stealc_b8ab9ab5 Windows_Trojan_Stealc_5d3f297c
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
a8addc675fcc27c94ff9e4775bb2e090f4da1287aae6b95cecc65ccf533bc61d
MD5 hash:
f793d9e588c6bf51f1daf523ab2df1ce
SHA1 hash:
f63ce1f9eee9f3ae643e270c7fc854dc51d730d0
Detections:
stealc
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:malware_Stealc_str
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:RANSOMWARE
Author:ToroGuitar
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:Stealc
Author:kevoreilly
Description:Stealc Payload
Rule name:Stealc_unpacked_PulseIntel
Author:PulseIntel
Description:Stealc Payload
Rule name:Stealer_Stealc
Author:Still
Description:attempts to match instructions/strings found in Stealc
Rule name:Vidar_unpacked_PulseIntel
Author:PulseIntel
Description:Vidar Payload
Rule name:Windows_Generic_Threat_2bba6bae
Author:Elastic Security
Rule name:Windows_Trojan_Stealc_5d3f297c
Author:Elastic Security
Rule name:Windows_Trojan_Stealc_b8ab9ab5
Author:Elastic Security

File information


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

Web download

Stealc

Executable exe a8addc675fcc27c94ff9e4775bb2e090f4da1287aae6b95cecc65ccf533bc61d

(this sample)

  
Dropped by
Amadey
  
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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CloseDesktop

Comments