MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c1c20db1d73c66795b9b49f39aff02d621dd06c05d7d3ea1007ac7bcbf3f3cd. 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 1

SHA256 hash: 9c1c20db1d73c66795b9b49f39aff02d621dd06c05d7d3ea1007ac7bcbf3f3cd
SHA3-384 hash: 9ea69f88ef4d8c805fbf7ebbf0f3a4a1f2c7fe876b78746db13ca4ad255669677a1d7d989578de4d8c89aa0ddadbf1f2
SHA1 hash: bc229f10399c3482df1faa98bf7074a4440e82a5
MD5 hash: b3badd1cd2cba4f587bd6737d34d3569
humanhash: purple-four-cola-single
File name:b3badd1cd2cba4f587bd6737d34d3569
Download: download sample
Signature Stealc
File size:2'509'824 bytes
First seen:2024-06-28 20:31:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:rh/Kr1IeHpgDfCeER3nsxnC+Nisx8rAmTYQ:rVKBpHeDXERcM+sAW
TLSH T1A0C5332CE4A94452C0536EB6B4D3504B521B31CFBAA49AAB3FE1DB3FB952534C739B10
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)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
678
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
https://bazaar.abuse.ch/download/9c1c20db1d73c66795b9b49f39aff02d621dd06c05d7d3ea1007ac7bcbf3f3cd/
Verdict:
Malicious activity
Analysis date:
2024-06-29 02:09:39 UTC
Tags:
stealer stealc loader exfiltration amadey botnet themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Generic Infostealer Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
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:
enigma lolbin microsoft_visual_cc packed packed shell32
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, Mars Stealer, 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
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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
PE file contains section with special chars
PE file has nameless sections
Potentially malicious time measurement code found
Sample uses string decryption to hide its real strings
Snort IDS alert 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 Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1464487 Sample: 1jPL5zru3u.exe Startdate: 28/06/2024 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 13 other signatures 2->55 8 1jPL5zru3u.exe 36 2->8         started        13 explorti.exe 2->13         started        15 explorti.exe 2->15         started        process3 dnsIp4 43 85.28.47.4, 49731, 80 GES-ASRU Russian Federation 8->43 45 77.91.77.81, 49732, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 8->45 35 C:\Users\user\AppData\...\CAEHDBAAEC.exe, PE32 8->35 dropped 37 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->37 dropped 39 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 8->39 dropped 41 11 other files (7 malicious) 8->41 dropped 65 Detected unpacking (changes PE section rights) 8->65 67 Tries to steal Mail credentials (via file / registry access) 8->67 69 Found many strings related to Crypto-Wallets (likely being stolen) 8->69 77 4 other signatures 8->77 17 cmd.exe 1 8->17         started        19 cmd.exe 2 8->19         started        71 Hides threads from debuggers 13->71 73 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->73 75 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->75 file5 signatures6 process7 process8 21 CAEHDBAAEC.exe 4 17->21         started        25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        file9 33 C:\Users\user\AppData\Local\...\explorti.exe, PE32 21->33 dropped 57 Antivirus detection for dropped file 21->57 59 Detected unpacking (changes PE section rights) 21->59 61 Machine Learning detection for dropped file 21->61 63 5 other signatures 21->63 29 explorti.exe 12 21->29         started        signatures10 process11 dnsIp12 47 77.91.77.82, 49743, 49745, 49746 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 29->47 79 Antivirus detection for dropped file 29->79 81 Detected unpacking (changes PE section rights) 29->81 83 Tries to detect sandboxes and other dynamic analysis tools (window names) 29->83 85 6 other signatures 29->85 signatures13
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-06-28 20:32:05 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Verdict:
suspicious
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:stealc botnet:4dd39d botnet:default discovery evasion spyware stealer trojan
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
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
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Stealc
Malware Config
C2 Extraction:
http://85.28.47.4
http://77.91.77.82
Unpacked files
SH256 hash:
9c1c20db1d73c66795b9b49f39aff02d621dd06c05d7d3ea1007ac7bcbf3f3cd
MD5 hash:
b3badd1cd2cba4f587bd6737d34d3569
SHA1 hash:
bc229f10399c3482df1faa98bf7074a4440e82a5
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:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)

File information


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

Web download

Stealc

Executable exe 9c1c20db1d73c66795b9b49f39aff02d621dd06c05d7d3ea1007ac7bcbf3f3cd

(this sample)

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
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
WIN_BASE_IO_APICan Create Filesversion.dll::GetFileVersionInfoA

Comments



Avatar
zbet commented on 2024-06-28 20:31:02 UTC

url : hxxp://77.91.77.81/sauna/neste.exe