MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a43029c07921865be726ccc99e368b445715a3e55279c7faaaae5cad38eb4276. 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 YARA File information Comments

SHA256 hash: a43029c07921865be726ccc99e368b445715a3e55279c7faaaae5cad38eb4276
SHA3-384 hash: 704a13ef1fc2818aef4b1a405af0a29bcd2c8e68c862c5e6710d5c36e5fb336520f6ee423910ba2d7f3389d8ef5f9667
SHA1 hash: 91fb9df41bba19b6d6612bbafd6d35dc81dc01d6
MD5 hash: 443c778fc72c59824a828ece66b8e82a
humanhash: wisconsin-oklahoma-batman-batman
File name:file
Download: download sample
Signature Stealc
File size:5'146'112 bytes
First seen:2024-12-07 09:49:32 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 24576:Y4Z2BH81kngyVthXEAEsiBE+/XR2YG+pHhXwiiGS4Q8VmviuhAC2WSGS/mUrAwuy:YhBVqAEl/WiOiI7GLBYzmv3DULP8c5
TLSH T194363962B80572CFD48A26389167FF826D2D43B9471408C7EC58B67ABF66CC119BBF14
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 :
415
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-07 10:00:16 UTC
Tags:
lumma stealer loader themida stealc amadey botnet

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
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
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
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:
Amadey, 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 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
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Potentially malicious time measurement code found
Sample uses string decryption to hide its real strings
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 Generic Downloader
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1570584 Sample: file.exe Startdate: 07/12/2024 Architecture: WINDOWS Score: 100 77 Multi AV Scanner detection for domain / URL 2->77 79 Suricata IDS alerts for network traffic 2->79 81 Found malware configuration 2->81 83 16 other signatures 2->83 8 file.exe 36 2->8         started        13 skotes.exe 16 2->13         started        15 msedge.exe 9 2->15         started        process3 dnsIp4 67 185.215.113.16, 49852, 80 WHOLESALECONNECTIONSNL Portugal 8->67 69 185.215.113.206, 49713, 49763, 49808 WHOLESALECONNECTIONSNL Portugal 8->69 71 127.0.0.1 unknown unknown 8->71 43 C:\Users\user\Documents\DGCAAFBFBK.exe, PE32 8->43 dropped 45 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\random[1].exe, PE32 8->47 dropped 53 11 other files (7 malicious) 8->53 dropped 101 Detected unpacking (changes PE section rights) 8->101 103 Attempt to bypass Chrome Application-Bound Encryption 8->103 105 Drops PE files to the document folder of the user 8->105 113 8 other signatures 8->113 17 cmd.exe 1 8->17         started        19 msedge.exe 2 10 8->19         started        22 chrome.exe 8->22         started        73 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 13->73 75 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 13->75 49 C:\Users\user\AppData\Local\...\JoYUT4N.exe, PE32 13->49 dropped 51 C:\Users\user\AppData\...\JoYUT4N[1].exe, PE32 13->51 dropped 107 Hides threads from debuggers 13->107 109 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->109 111 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->111 25 JoYUT4N.exe 13->25         started        27 msedge.exe 15->27         started        file5 signatures6 process7 dnsIp8 29 DGCAAFBFBK.exe 4 17->29         started        33 conhost.exe 17->33         started        85 Monitors registry run keys for changes 19->85 35 msedge.exe 19->35         started        63 192.168.2.6, 443, 49703, 49706 unknown unknown 22->63 65 239.255.255.250 unknown Reserved 22->65 37 chrome.exe 22->37         started        87 Antivirus detection for dropped file 25->87 89 Multi AV Scanner detection for dropped file 25->89 91 Machine Learning detection for dropped file 25->91 signatures9 process10 dnsIp11 55 C:\Users\user\AppData\Local\...\skotes.exe, PE32 29->55 dropped 115 Antivirus detection for dropped file 29->115 117 Detected unpacking (changes PE section rights) 29->117 119 Machine Learning detection for dropped file 29->119 121 7 other signatures 29->121 40 skotes.exe 29->40         started        57 www3.l.google.com 142.250.181.142, 443, 49764 GOOGLEUS United States 37->57 59 www.google.com 142.250.181.68, 443, 49724, 49725 GOOGLEUS United States 37->59 61 4 other IPs or domains 37->61 file12 signatures13 process14 signatures15 93 Antivirus detection for dropped file 40->93 95 Detected unpacking (changes PE section rights) 40->95 97 Tries to detect sandboxes and other dynamic analysis tools (window names) 40->97 99 7 other signatures 40->99
Threat name:
Win32.Ransomware.StealC
Status:
Malicious
First seen:
2024-12-07 09:50:08 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:lumma family:stealc botnet:9c9aa5 botnet:drum credential_access discovery evasion persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
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
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
https://impend-differ.biz/api
https://print-vexer.biz/api
https://dare-curbys.biz/api
https://covery-mover.biz/api
https://formy-spill.biz/api
https://dwell-exclaim.biz/api
https://zinc-sneark.biz/api
https://se-blurry.biz/api
https://atten-supporse.biz/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
6b97c5cbd219228b662f43a1c06f0ab4bab57026c55254e911c694cb58bb44cd
MD5 hash:
e9541303864f40a20ebd330618b0ddf1
SHA1 hash:
a2eee962a0673a4428621b69732617abc57dc3c4
SH256 hash:
68f26c5226c9a8276e0fe9a54f4f8a969c69d9b8f6180eeb731c57ccb4f30cc4
MD5 hash:
aeb8f5912d323f9cd64c9e56a5220a63
SHA1 hash:
286aac145bae90e7a4b9367eeb6998dd10f50633
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
a43029c07921865be726ccc99e368b445715a3e55279c7faaaae5cad38eb4276
MD5 hash:
443c778fc72c59824a828ece66b8e82a
SHA1 hash:
91fb9df41bba19b6d6612bbafd6d35dc81dc01d6
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Stealc

Executable exe a43029c07921865be726ccc99e368b445715a3e55279c7faaaae5cad38eb4276

(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