MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8645e7acb9feb6e6faa9bb7af32214810533bc43b3141c6b3933c0f2143f543. 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: 14


Intelligence 14 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8645e7acb9feb6e6faa9bb7af32214810533bc43b3141c6b3933c0f2143f543
SHA3-384 hash: 87dca5ffe449fe28bce1597b5ce3ce5cb6cba28e336c42bcb98cf7400b7a9b8b043eb8471a907547f7e373da2b11b97c
SHA1 hash: 9dfe61ac88c7299089d72c12da1733f1b520f650
MD5 hash: 1e6f147591c414036bd936763ad82e5c
humanhash: cold-butter-delaware-sink
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:2'117'632 bytes
First seen:2024-11-09 11:03:35 UTC
Last seen:2024-11-09 12:49:01 UTC
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:XM+9suU5nGg0BaE5LmMWDRX+PU7Lq9qNKzu/SkRImQ+U:XM+9GhFcaqLmM2X+PUS95kCmQ+
TLSH T1F6A5336A7CB0CF76D51516F6F00EBF0A7BB0522A4AF51509AF9820B7B6F3502663DD20
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 :
32
# of downloads :
419
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-09 11:01:05 UTC
Tags:
lumma stealer possible-phishing stealc loader
Link:
https://app.any.run/tasks/98a78019-81ce-4fe2-aba1-56efd8085d89

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.BackdoorX-gen.19631.5373.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672f41bf6c614f3030a3c63b
Tags:
vmdetect autorun spam lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/672f41a487ea6c9a82f7bfec/reports/278f90a0-4afa-49d8-9efe-18f595ed29ea/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b8645e7acb9feb6e6faa9bb7af32214810533bc43b3141c6b3933c0f2143f543
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/74044865-8fcc-46cb-9a65-5c14bdb729b9
Result
Threat name:
PureCrypter, LummaC, Amadey, LummaC Stea
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1552785
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Detected PureCrypter Trojan
Detected unpacking (changes PE section rights)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables Windows Defender Tamper protection
Drops PE files to the document folder of the user
Drops PE files to the user root directory
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
LummaC encrypted strings found
Machine Learning detection for sample
Modifies windows update settings
Monitors registry run keys for changes
Multi AV Scanner detection for dropped file
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
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 LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1552785 Sample: file.exe Startdate: 09/11/2024 Architecture: WINDOWS Score: 100 81 thumbystriw.store 2->81 83 presticitpo.store 2->83 85 5 other IPs or domains 2->85 109 Suricata IDS alerts for network traffic 2->109 111 Found malware configuration 2->111 113 Antivirus detection for URL or domain 2->113 115 14 other signatures 2->115 9 skotes.exe 2->9         started        14 file.exe 38 2->14         started        16 3994ab8e86.exe 2->16         started        18 7 other processes 2->18 signatures3 process4 dnsIp5 101 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 9->101 59 C:\Users\user\AppData\...\9c3d5e898a.exe, PE32 9->59 dropped 61 C:\Users\user\AppData\...\abe6b39b92.exe, PE32 9->61 dropped 63 C:\Users\user\AppData\...\3994ab8e86.exe, PE32 9->63 dropped 71 3 other malicious files 9->71 dropped 157 Creates multiple autostart registry keys 9->157 159 Hides threads from debuggers 9->159 161 Tries to detect sandboxes / dynamic malware analysis system (registry check) 9->161 20 9c3d5e898a.exe 9->20         started        23 3994ab8e86.exe 9->23         started        26 abe6b39b92.exe 9->26         started        28 skotes.exe 9->28         started        103 185.215.113.206, 49704, 49737, 49802 WHOLESALECONNECTIONSNL Portugal 14->103 105 185.215.113.16 WHOLESALECONNECTIONSNL Portugal 14->105 107 127.0.0.1 unknown unknown 14->107 65 C:\Users\user\DocumentsAKKEHIECFC.exe, PE32 14->65 dropped 67 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->67 dropped 69 C:\ProgramData\nss3.dll, PE32 14->69 dropped 73 12 other files (none is malicious) 14->73 dropped 163 Detected unpacking (changes PE section rights) 14->163 165 Attempt to bypass Chrome Application-Bound Encryption 14->165 167 Drops PE files to the document folder of the user 14->167 179 6 other signatures 14->179 30 cmd.exe 14->30         started        32 msedge.exe 2 10 14->32         started        34 chrome.exe 8 14->34         started        169 Query firmware table information (likely to detect VMs) 16->169 171 Tries to harvest and steal ftp login credentials 16->171 173 Tries to harvest and steal browser information (history, passwords, etc) 16->173 175 Tries to steal Crypto Currency Wallets 18->175 177 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 18->177 36 msedge.exe 18->36         started        39 5 other processes 18->39 file6 signatures7 process8 dnsIp9 117 Multi AV Scanner detection for dropped file 20->117 119 Detected unpacking (changes PE section rights) 20->119 121 Tries to detect sandboxes and other dynamic analysis tools (window names) 20->121 137 4 other signatures 20->137 87 navygenerayk.store 188.114.97.3 CLOUDFLARENETUS European Union 23->87 123 Query firmware table information (likely to detect VMs) 23->123 125 Tries to evade debugger and weak emulator (self modifying code) 23->125 127 Tries to steal Crypto Currency Wallets 23->127 139 2 other signatures 23->139 129 Hides threads from debuggers 26->129 131 Tries to detect sandboxes / dynamic malware analysis system (registry check) 26->131 133 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 26->133 41 DocumentsAKKEHIECFC.exe 30->41         started        45 conhost.exe 30->45         started        135 Monitors registry run keys for changes 32->135 47 msedge.exe 32->47         started        89 192.168.2.5, 443, 49703, 49704 unknown unknown 34->89 91 239.255.255.250 unknown Reserved 34->91 49 chrome.exe 34->49         started        93 23.55.178.220, 443, 49860, 49861 NTT-COMMUNICATIONS-2914US United States 36->93 95 s-part-0017.t-0009.t-msedge.net 13.107.246.45, 443, 49740, 49741 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 36->95 97 24 other IPs or domains 36->97 55 C:\Users\user\AppData\Local\...\Cookies, SQLite 36->55 dropped 99 2 other IPs or domains 39->99 file10 signatures11 process12 dnsIp13 57 C:\Users\user\AppData\Local\...\skotes.exe, PE32 41->57 dropped 149 Detected unpacking (changes PE section rights) 41->149 151 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 41->151 153 Tries to evade debugger and weak emulator (self modifying code) 41->153 155 4 other signatures 41->155 52 skotes.exe 41->52         started        75 plus.l.google.com 142.250.184.238, 443, 49719 GOOGLEUS United States 49->75 77 play.google.com 142.250.185.206, 443, 49724, 49733 GOOGLEUS United States 49->77 79 2 other IPs or domains 49->79 file14 signatures15 process16 signatures17 141 Detected unpacking (changes PE section rights) 52->141 143 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 52->143 145 Tries to evade debugger and weak emulator (self modifying code) 52->145 147 3 other signatures 52->147
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b8645e7acb9feb6e6faa9bb7af32214810533bc43b3141c6b3933c0f2143f543
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8645e7acb9feb6e6faa9bb7af32214810533bc43b3141c6b3933c0f2143f543/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Suspicious
First seen:
2024-11-09 11:04:12 UTC
File Type:
PE (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbsf46wlt7vw435kto326mrbjaifgo6ehmyudrvtsm6a6ikd6vbq._file
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:tale credential_access discovery evasion spyware stealer
Link:
https://tria.ge/reports/241109-m59d3stbmd/
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
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c0acbedc-f023-4ee0-a691-2f9281517ebd
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
Link:
https://www.unpac.me/results/827e864f-28c2-4b4c-989f-59023f1c3564/
SH256 hash:
620c72c703bd6273fd91daf7a7abad65f7320ce20733d59662c20ec30c3fd562
MD5 hash:
dc4929cf48ea2bba48723e2a7abc0f3a
SHA1 hash:
6053717ea73b51738ccd6d14e5db403b56d567e2
Detections:
stealc
Create hunting rule
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
detect_Mars_Stealer
Create hunting rule
Link:
https://www.unpac.me/results/827e864f-28c2-4b4c-989f-59023f1c3564/
SH256 hash:
b8645e7acb9feb6e6faa9bb7af32214810533bc43b3141c6b3933c0f2143f543
MD5 hash:
1e6f147591c414036bd936763ad82e5c
SHA1 hash:
9dfe61ac88c7299089d72c12da1733f1b520f650
Link:
https://www.unpac.me/results/827e864f-28c2-4b4c-989f-59023f1c3564/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b8645e7acb9feb6e6faa9bb7af32214810533bc43b3141c6b3933c0f2143f543

File information

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

Web download

Stealc

Executable exe b8645e7acb9feb6e6faa9bb7af32214810533bc43b3141c6b3933c0f2143f543

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3279845/

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

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