MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f5b516487cc6c3218efb06cb2ebcc72ce724dc64aa84d217464af873c048b7a. 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: 15


Intelligence 15 IOCs 1 YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9f5b516487cc6c3218efb06cb2ebcc72ce724dc64aa84d217464af873c048b7a
SHA3-384 hash: f84685ceaabd43944e821936934fc5d7aaaa751a5c8f8b21846a986bd490a6f8d62fa923ef3d19e434df81ef243ae981
SHA1 hash: 6c994bad35a92e0b9154684ebb8e73d9684b2e61
MD5 hash: 9c923d102f7688ef4e407b893fe8d448
humanhash: two-social-river-washington
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:2'531'328 bytes
First seen:2024-07-04 18:33:00 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:dc/mElxBTP/0/61ZoXBVkeqDCltseXUKiOUqhpNWLQ9OYwQEUs:LiL0eGAequ4KVJhpEWO5QRs
TLSH T16BC53368EA01F4D1EA02ED796CF991AA861730FDB3E0CD7F6221EF71640566E2C2414F
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 Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://77.91.77.81/stealc/random.exe

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://85.28.47.30/920475a59bac849d.php https://threatfox.abuse.ch/ioc/1294769/

Intelligence

File Origin
# of uploads :
1
# of downloads :
354
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9f5b516487cc6c3218efb06cb2ebcc72ce724dc64aa84d217464af873c048b7a.exe
Verdict:
Malicious activity
Analysis date:
2024-07-04 18:35:05 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/fcfed14c-f848-4004-80a5-6051bf8c6285

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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=6686eca34a5832d180b6fe6cwin10vpnfull_triage
Tags:
Generic Infostealer Network Stealth
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
enigma lolbin microsoft_visual_cc packed packed shell32
Link:
https://www.filescan.io/uploads/6686eae0ef9fdf64aa726cd5/reports/8b779a16-7ae3-473d-93c4-5bff582efa22/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/9f5b516487cc6c3218efb06cb2ebcc72ce724dc64aa84d217464af873c048b7a
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/2af7b4ee-5869-477c-9d75-c77873d94438
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/1467822
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
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: 1467822 Sample: file.exe Startdate: 04/07/2024 Architecture: WINDOWS Score: 100 88 Snort IDS alert for network traffic 2->88 90 Found malware configuration 2->90 92 Antivirus detection for URL or domain 2->92 94 16 other signatures 2->94 11 file.exe 36 2->11         started        16 explorti.exe 2->16         started        18 explorti.exe 2->18         started        20 2 other processes 2->20 process3 dnsIp4 74 85.28.47.30, 49730, 49746, 80 GES-ASRU Russian Federation 11->74 76 77.91.77.81, 49731, 49744, 49747 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 11->76 64 C:\Users\user\AppData\...\KECBKKEBKE.exe, PE32 11->64 dropped 66 C:\Users\user\AppData\...\softokn3[1].dll, PE32 11->66 dropped 68 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 11->68 dropped 70 11 other files (7 malicious) 11->70 dropped 124 Detected unpacking (changes PE section rights) 11->124 126 Tries to steal Mail credentials (via file / registry access) 11->126 128 Found many strings related to Crypto-Wallets (likely being stolen) 11->128 136 4 other signatures 11->136 22 cmd.exe 1 11->22         started        24 cmd.exe 2 11->24         started        130 Hides threads from debuggers 16->130 132 Tries to detect sandboxes / dynamic malware analysis system (registry check) 16->132 134 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->134 file5 signatures6 process7 process8 26 KECBKKEBKE.exe 4 22->26         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        file9 62 C:\Users\user\AppData\Local\...\explorti.exe, PE32 26->62 dropped 116 Antivirus detection for dropped file 26->116 118 Detected unpacking (changes PE section rights) 26->118 120 Machine Learning detection for dropped file 26->120 122 5 other signatures 26->122 34 explorti.exe 19 26->34         started        signatures10 process11 dnsIp12 72 77.91.77.82, 49743, 49745, 49748 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 34->72 54 C:\Users\user\AppData\...\29c55c1284.exe, PE32 34->54 dropped 56 C:\Users\user\AppData\...\a16b294260.exe, PE32 34->56 dropped 58 C:\Users\user\AppData\Local\...\random[1].exe, PE32 34->58 dropped 60 C:\Users\user\AppData\Local\...\random[1].exe, PE32 34->60 dropped 96 Antivirus detection for dropped file 34->96 98 Detected unpacking (changes PE section rights) 34->98 100 Tries to detect sandboxes and other dynamic analysis tools (window names) 34->100 102 6 other signatures 34->102 39 29c55c1284.exe 1 34->39         started        42 a16b294260.exe 12 34->42         started        file13 signatures14 process15 signatures16 104 Antivirus detection for dropped file 39->104 106 Multi AV Scanner detection for dropped file 39->106 108 Binary is likely a compiled AutoIt script file 39->108 44 chrome.exe 39->44         started        110 Detected unpacking (changes PE section rights) 42->110 112 Machine Learning detection for dropped file 42->112 114 Hides threads from debuggers 42->114 process17 dnsIp18 78 192.168.2.4, 443, 49723, 49724 unknown unknown 44->78 80 239.255.255.250 unknown Reserved 44->80 47 chrome.exe 44->47         started        50 chrome.exe 44->50         started        52 chrome.exe 44->52         started        process19 dnsIp20 82 play.google.com 142.250.185.206, 443, 49783, 49784 GOOGLEUS United States 47->82 84 www3.l.google.com 142.250.185.78, 443, 49777 GOOGLEUS United States 47->84 86 5 other IPs or domains 47->86
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9f5b516487cc6c3218efb06cb2ebcc72ce724dc64aa84d217464af873c048b7a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9f5b516487cc6c3218efb06cb2ebcc72ce724dc64aa84d217464af873c048b7a/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-07-04 18:34:06 UTC
File Type:
PE (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=t5nvczehzrwdeghpwbwlf26molhhetogjkue2ilumsxyopaern5a._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:4dd39d botnet:nice discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/240704-w66t1svdjd/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
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
Enumerates physical storage devices
Drops file in Windows directory
AutoIT Executable
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://85.28.47.30
http://77.91.77.82
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dec1ea21-6d80-414c-8ce1-dfd8739063fc
Unpacked files
SH256 hash:
9f5b516487cc6c3218efb06cb2ebcc72ce724dc64aa84d217464af873c048b7a
MD5 hash:
9c923d102f7688ef4e407b893fe8d448
SHA1 hash:
6c994bad35a92e0b9154684ebb8e73d9684b2e61
Link:
https://www.unpac.me/results/59ec1c0e-141d-48da-b151-545ca5cad075/
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/9f5b516487cc6c3218efb06cb2ebcc72ce724dc64aa84d217464af873c048b7a

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
Create hunting rule
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 9f5b516487cc6c3218efb06cb2ebcc72ce724dc64aa84d217464af873c048b7a

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2909131/
  
URLhaus
https://urlhaus.abuse.ch/url/2909129/

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