MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf9612df7ae108f00c42fe875dccee3da8988049d505e1ac08ab848eec5d52c3. 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 1 File information Comments

SHA256 hash: bf9612df7ae108f00c42fe875dccee3da8988049d505e1ac08ab848eec5d52c3
SHA3-384 hash: 3492fc71adf567a05b529aab1de2d96ae6e5d7884aa5c049fa0494e49837c2fba8bbf1f0de2928e81d968bedde7143a1
SHA1 hash: 634e3b6b849af9f8a3f7192fcfd77e761a1b1b11
MD5 hash: f9e8c178565263aaa83c1f3bb392bd90
humanhash: may-lake-indigo-michigan
File name:file
Download: download sample
Signature Stealc
File size:1'757'184 bytes
First seen:2024-12-02 06:35:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:XI48qcr+Q7yrycYd254qPplZDRbinPl7GsGWYWp:448qHicMqBj1UhZ
TLSH T1268533377E2A981EC5115BB549E6D338F6BEF2640BE483DA074AC8F98C63DD417432A1
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://185.215.113.16/steam/random.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
404
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-02 06:37:50 UTC
Tags:
stealer stealc loader themida amadey botnet gcleaner cryptbot

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect autorun autoit spam
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed packed packer_detected
Result
Threat name:
Amadey, Nymaim, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Drops PE files to the document folder of the user
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Monitors registry run keys for changes
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sigma detected: New RUN Key Pointing to Suspicious Folder
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 detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
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 Amadeys stealer DLL
Yara detected Nymaim
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1566419 Sample: file.exe Startdate: 02/12/2024 Architecture: WINDOWS Score: 100 66 92.63.197.221 NOVOGARA-ASNL Russian Federation 2->66 68 atten-supporse.biz 2->68 92 Multi AV Scanner detection for domain / URL 2->92 94 Suricata IDS alerts for network traffic 2->94 96 Found malware configuration 2->96 98 17 other signatures 2->98 9 file.exe 36 2->9         started        14 skotes.exe 1 22 2->14         started        16 skotes.exe 2->16         started        18 msedge.exe 9 2->18         started        signatures3 process4 dnsIp5 70 185.215.113.16, 49859, 80 WHOLESALECONNECTIONSNL Portugal 9->70 72 185.215.113.206, 49724, 49778, 49823 WHOLESALECONNECTIONSNL Portugal 9->72 74 127.0.0.1 unknown unknown 9->74 50 C:\Users\user\Documents\AEBKFIJEGC.exe, PE32 9->50 dropped 52 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->52 dropped 54 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->54 dropped 62 11 other files (7 malicious) 9->62 dropped 124 Detected unpacking (changes PE section rights) 9->124 126 Attempt to bypass Chrome Application-Bound Encryption 9->126 128 Drops PE files to the document folder of the user 9->128 136 8 other signatures 9->136 20 cmd.exe 1 9->20         started        22 msedge.exe 2 10 9->22         started        25 chrome.exe 9->25         started        76 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 14->76 78 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 14->78 56 C:\Users\user\AppData\...\74cb638a83.exe, PE32 14->56 dropped 58 C:\Users\user\AppData\...\c3e4899de4.exe, PE32 14->58 dropped 60 C:\Users\user\AppData\...\77d2de4f7b.exe, PE32 14->60 dropped 64 3 other malicious files 14->64 dropped 130 Hides threads from debuggers 14->130 132 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->132 134 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->134 28 c3e4899de4.exe 14->28         started        30 77d2de4f7b.exe 14->30         started        32 msedge.exe 18->32         started        file6 signatures7 process8 dnsIp9 34 AEBKFIJEGC.exe 4 20->34         started        38 conhost.exe 20->38         started        108 Monitors registry run keys for changes 22->108 40 msedge.exe 22->40         started        80 192.168.2.6, 443, 49707, 49711 unknown unknown 25->80 82 239.255.255.250 unknown Reserved 25->82 42 chrome.exe 25->42         started        84 atten-supporse.biz 172.67.165.166 CLOUDFLARENETUS United States 28->84 110 Antivirus detection for dropped file 28->110 112 Multi AV Scanner detection for dropped file 28->112 114 Detected unpacking (changes PE section rights) 28->114 122 3 other signatures 28->122 116 Machine Learning detection for dropped file 30->116 118 Tries to evade debugger and weak emulator (self modifying code) 30->118 120 Hides threads from debuggers 30->120 signatures10 process11 dnsIp12 48 C:\Users\user\AppData\Local\...\skotes.exe, PE32 34->48 dropped 100 Detected unpacking (changes PE section rights) 34->100 102 Tries to evade debugger and weak emulator (self modifying code) 34->102 104 Tries to detect virtualization through RDTSC time measurements 34->104 106 3 other signatures 34->106 45 skotes.exe 34->45         started        86 www.google.com 142.250.181.100, 443, 49749, 49750 GOOGLEUS United States 42->86 88 plus.l.google.com 172.217.17.78, 443, 49786 GOOGLEUS United States 42->88 90 apis.google.com 42->90 file13 signatures14 process15 signatures16 138 Antivirus detection for dropped file 45->138 140 Detected unpacking (changes PE section rights) 45->140 142 Machine Learning detection for dropped file 45->142 144 4 other signatures 45->144
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-12-02 06:36:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:lumma family:stealc botnet:9c9aa5 botnet:drum collection credential_access discovery evasion persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks BIOS information in registry
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Windows security modification
Downloads MZ/PE file
Uses browser remote debugging
Enumerates VirtualBox registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Amadey family
Lumma Stealer, LummaC
Lumma family
Modifies Windows Defender Real-time Protection settings
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
http://185.215.113.43
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
804f6f4f1bf04f5f1425746d6d395c536d32911b6c7e29f19d927b994d8dc582
MD5 hash:
cdc2dd46157ab64cb403c6b432296aec
SHA1 hash:
a9f698a182051bd7c52ca7dff909808a5031438e
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
bf9612df7ae108f00c42fe875dccee3da8988049d505e1ac08ab848eec5d52c3
MD5 hash:
f9e8c178565263aaa83c1f3bb392bd90
SHA1 hash:
634e3b6b849af9f8a3f7192fcfd77e761a1b1b11
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Web download

Stealc

Executable exe bf9612df7ae108f00c42fe875dccee3da8988049d505e1ac08ab848eec5d52c3

(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
CHECK_NXMissing Non-Executable Memory Protectioncritical

Comments