MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e. 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: 12


Intelligence 12 IOCs YARA 20 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e
SHA3-384 hash: 1d4295d7d053c3e0b71b56e892e8fca5efe8447a2777001f0b4b4412067c95bc94088ddaf2e183d642b123dce4b4afd7
SHA1 hash: f8831ff7c1fa70f4d56985b08daada57758c3171
MD5 hash: 362aadbd9dc628c321bc33892046b8c1
humanhash: enemy-saturn-louisiana-papa
File name:362aadbd9dc628c321bc33892046b8c1
Download: download sample
Signature Stealc
Create hunting rule
File size:2'452'992 bytes
First seen:2024-06-28 19:45:35 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:Cy78p6FyspLM6JZID0V1/VvzkUrJyORGcR5cD/96lehH8kRyMx:x78k/pLV7IozClcPY/wsZ1Z
TLSH T16FB5332E6487273AD05661FCC9F78EBD746BE714E7FEA270F065802E062EC047E45292
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 :
398
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=667f133517db6c2841b220e5win10vpnfull_triage
Tags:
Generic Infostealer Network Stealth Zpack
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Link:
https://www.filescan.io/uploads/667f12fb6b8dba248b46c7b3/reports/98a49e7d-7c44-410a-a6ed-4c51b786d22d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3ee24550-fa19-4da3-a118-3ebc31366a22
Result
Threat name:
Amadey, Mars Stealer, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1464470
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1464470 Sample: Zachv5lCuu.exe Startdate: 28/06/2024 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic 2->66 68 Found malware configuration 2->68 70 Antivirus detection for URL or domain 2->70 72 15 other signatures 2->72 9 Zachv5lCuu.exe 37 2->9         started        14 explorti.exe 2->14         started        16 explorti.exe 2->16         started        process3 dnsIp4 52 85.28.47.4, 49704, 49719, 80 GES-ASRU Russian Federation 9->52 54 77.91.77.81, 49705, 49718, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 9->54 40 C:\Users\user\AppData\...behaviorgraphHCGDAFCFH.exe, PE32 9->40 dropped 42 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->42 dropped 44 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 9->44 dropped 46 11 other files (7 malicious) 9->46 dropped 90 Detected unpacking (changes PE section rights) 9->90 92 Tries to steal Mail credentials (via file / registry access) 9->92 94 Found many strings related to Crypto-Wallets (likely being stolen) 9->94 102 4 other signatures 9->102 18 cmd.exe 1 9->18         started        20 cmd.exe 2 9->20         started        96 Hides threads from debuggers 14->96 98 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->98 100 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->100 file5 signatures6 process7 process8 22 GHCGDAFCFH.exe 4 18->22         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        file9 38 C:\Users\user\AppData\Local\...\explorti.exe, PE32 22->38 dropped 82 Antivirus detection for dropped file 22->82 84 Multi AV Scanner detection for dropped file 22->84 86 Detected unpacking (changes PE section rights) 22->86 88 7 other signatures 22->88 30 explorti.exe 16 22->30         started        signatures10 process11 dnsIp12 56 77.91.77.82, 49717, 49720, 49721 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 30->56 48 C:\Users\user\AppData\...\25bb638aac.exe, PE32 30->48 dropped 50 C:\Users\user\AppData\Local\...\random[1].exe, PE32 30->50 dropped 58 Antivirus detection for dropped file 30->58 60 Multi AV Scanner detection for dropped file 30->60 62 Detected unpacking (changes PE section rights) 30->62 64 6 other signatures 30->64 35 25bb638aac.exe 12 30->35         started        file13 signatures14 process15 signatures16 74 Antivirus detection for dropped file 35->74 76 Multi AV Scanner detection for dropped file 35->76 78 Detected unpacking (changes PE section rights) 35->78 80 2 other signatures 35->80
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-06-28 19:12:01 UTC
File Type:
PE (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ch23agmdzurb4kfkm4uqnuytzjc5ydwud42rmatxswifoyieyuxa._file
Verdict:
suspicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:4dd39d botnet:default discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/240628-ygx7patark/
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
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f0ea965a-19f1-4abf-a50d-f93bba605ec7
Unpacked files
SH256 hash:
11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e
MD5 hash:
362aadbd9dc628c321bc33892046b8c1
SHA1 hash:
f8831ff7c1fa70f4d56985b08daada57758c3171
Link:
https://www.unpac.me/results/70c9b448-b865-4861-b2db-508aa8cf06f7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e

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:Borland
Create hunting rule
Author:malware-lu
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Stealc_str
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Trojan_Stealc_b8ab9ab5
Create hunting rule
Author:Elastic Security
Rule name:yara_template
Create hunting rule

File information

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

Web download

Stealc

Executable exe 11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2910681/
  
URLhaus
https://urlhaus.abuse.ch/url/2908698/
  
URLhaus
https://urlhaus.abuse.ch/url/2909129/
  
URLhaus
https://urlhaus.abuse.ch/url/2909131/
  
URLhaus
https://urlhaus.abuse.ch/url/2911644/
  
URLhaus
https://urlhaus.abuse.ch/url/2911645/

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 19:45:36 UTC

url : hxxp://77.91.77.82/sauna/neste.exe