MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 157729dd7b080136325dc69a91df8f2c0bddd35bb8efafe3734af9a897251a17. 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 1 File information Comments

SHA256 hash: 157729dd7b080136325dc69a91df8f2c0bddd35bb8efafe3734af9a897251a17
SHA3-384 hash: c8cef9513776da90a6cb0fb3ea91366d80ed3900142437ac32ec82deda7caee49d70ed2d1bcec9584555dc9848cba683
SHA1 hash: 8ee9f123258485aa9d72765313a5a245f50bf972
MD5 hash: 297edc9b9b9e88deca62083be326fb15
humanhash: spring-thirteen-finch-sweet
File name:file
Download: download sample
Signature Stealc
File size:1'788'416 bytes
First seen:2024-11-16 09:51:57 UTC
Last seen:2024-11-16 09:51:58 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 24576:B6Sw9qbMZov5v5ISas8FLK09dtWZjo2rdUjXAjg1ICwlnwD2ZmgFwz4uF:0D9Iz0uxZE2R2XkgWJlnwD2EgFc
TLSH T1708533BCBF7BD325CC82C0FBC39F89C4B506A0BA6BE90B4C6D11694D5405606DEDD8A9
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 :
2
# of downloads :
434
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-16 09:54:04 UTC
Tags:
lumma stealer loader themida stealc

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:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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:
anti-vm microsoft_visual_cc packed packed packer_detected
Result
Threat name:
LummaC, Amadey, LummaC Stealer, Stealc,
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
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
Creates multiple autostart registry keys
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 dropped file
Machine Learning detection for sample
Modifies windows update settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
PE file contains section with special chars
Potentially malicious time measurement code found
Query firmware table information (likely to detect VMs)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1556881 Sample: file.exe Startdate: 16/11/2024 Architecture: WINDOWS Score: 100 85 mdec.nelreports.net 2->85 87 frogmen-smell.sbs 2->87 115 Suricata IDS alerts for network traffic 2->115 117 Found malware configuration 2->117 119 Antivirus detection for URL or domain 2->119 121 14 other signatures 2->121 9 file.exe 36 2->9         started        14 skotes.exe 3 22 2->14         started        16 c15369b256.exe 2->16         started        18 6 other processes 2->18 signatures3 process4 dnsIp5 95 185.215.113.206, 49730, 49750, 80 WHOLESALECONNECTIONSNL Portugal 9->95 97 185.215.113.16, 52610, 80 WHOLESALECONNECTIONSNL Portugal 9->97 99 127.0.0.1 unknown unknown 9->99 69 C:\Users\user\DocumentsFCBFBGDBKJ.exe, PE32 9->69 dropped 71 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->71 dropped 73 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->73 dropped 81 11 other files (7 malicious) 9->81 dropped 153 Detected unpacking (changes PE section rights) 9->153 155 Attempt to bypass Chrome Application-Bound Encryption 9->155 157 Drops PE files to the document folder of the user 9->157 177 6 other signatures 9->177 20 cmd.exe 1 9->20         started        22 chrome.exe 9->22         started        101 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 14->101 75 C:\Users\user\AppData\...\84ca12b7ec.exe, PE32 14->75 dropped 77 C:\Users\user\AppData\...\309652e64e.exe, PE32 14->77 dropped 79 C:\Users\user\AppData\...\c15369b256.exe, PE32 14->79 dropped 83 3 other malicious files 14->83 dropped 159 Creates multiple autostart registry keys 14->159 161 Hides threads from debuggers 14->161 163 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->163 25 84ca12b7ec.exe 14->25         started        28 c15369b256.exe 12 14->28         started        30 309652e64e.exe 14->30         started        32 skotes.exe 14->32         started        165 Query firmware table information (likely to detect VMs) 16->165 167 Found many strings related to Crypto-Wallets (likely being stolen) 16->167 169 Tries to harvest and steal browser information (history, passwords, etc) 16->169 34 chrome.exe 16->34         started        171 Tries to harvest and steal ftp login credentials 18->171 173 Tries to steal Crypto Currency Wallets 18->173 175 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 18->175 36 chrome.exe 18->36         started        38 chrome.exe 18->38         started        file6 signatures7 process8 dnsIp9 40 DocumentsFCBFBGDBKJ.exe 4 20->40         started        44 conhost.exe 20->44         started        89 192.168.2.4, 443, 49723, 49730 unknown unknown 22->89 91 239.255.255.250 unknown Reserved 22->91 46 chrome.exe 22->46         started        123 Multi AV Scanner detection for dropped file 25->123 125 Detected unpacking (changes PE section rights) 25->125 127 Tries to detect sandboxes and other dynamic analysis tools (window names) 25->127 141 5 other signatures 25->141 93 frogmen-smell.sbs 172.67.174.133 CLOUDFLARENETUS United States 28->93 129 Antivirus detection for dropped file 28->129 131 Query firmware table information (likely to detect VMs) 28->131 133 Machine Learning detection for dropped file 28->133 143 2 other signatures 28->143 49 chrome.exe 28->49         started        51 chrome.exe 28->51         started        135 Tries to evade debugger and weak emulator (self modifying code) 30->135 137 Hides threads from debuggers 30->137 139 Tries to detect sandboxes / dynamic malware analysis system (registry check) 30->139 53 chrome.exe 34->53         started        55 chrome.exe 36->55         started        57 chrome.exe 38->57         started        signatures10 process11 dnsIp12 67 C:\Users\user\AppData\Local\...\skotes.exe, PE32 40->67 dropped 145 Antivirus detection for dropped file 40->145 147 Detected unpacking (changes PE section rights) 40->147 149 Machine Learning detection for dropped file 40->149 151 7 other signatures 40->151 59 skotes.exe 40->59         started        103 play.google.com 142.250.185.142, 443, 49752 GOOGLEUS United States 46->103 105 www.google.com 142.250.185.196, 443, 49734, 49737 GOOGLEUS United States 46->105 107 2 other IPs or domains 46->107 62 chrome.exe 49->62         started        65 chrome.exe 51->65         started        file13 signatures14 process15 dnsIp16 179 Antivirus detection for dropped file 59->179 181 Detected unpacking (changes PE section rights) 59->181 183 Machine Learning detection for dropped file 59->183 185 5 other signatures 59->185 109 s-part-0017.t-0009.t-msedge.net 13.107.246.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 62->109 111 172.217.16.132 GOOGLEUS United States 62->111 113 7 other IPs or domains 62->113 signatures17
Threat name:
Win32.Trojan.Symmi
Status:
Malicious
First seen:
2024-11-16 09:52:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
65758f801ff03ea87a081bc736d597e817d6c4afa8af045f4dd3e54b13b3c0b7
MD5 hash:
97dccb90979091c83f13f30eff122780
SHA1 hash:
a1fb3cbe35d2bb892684e0e9db14b2ea2291e6d1
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
157729dd7b080136325dc69a91df8f2c0bddd35bb8efafe3734af9a897251a17
MD5 hash:
297edc9b9b9e88deca62083be326fb15
SHA1 hash:
8ee9f123258485aa9d72765313a5a245f50bf972
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:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Stealc

Executable exe 157729dd7b080136325dc69a91df8f2c0bddd35bb8efafe3734af9a897251a17

(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