MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9ce9a4cbde31bbcd141e3e0136c0474f23b3008c043e365cec3926758283423. 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 YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9ce9a4cbde31bbcd141e3e0136c0474f23b3008c043e365cec3926758283423
SHA3-384 hash: d22a2ca0976218f139dd33e261736fe77d8ad9373a25a56ea294ebc4e2cc6138b1b88748f7738b9d30ca0ab22e21dd5a
SHA1 hash: ed606581628aea09508d24540866828e73b020c9
MD5 hash: 19e12e86b83be77897a032abf5f32fa0
humanhash: hamper-nineteen-white-november
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:2'506'240 bytes
First seen:2024-07-13 04:09:12 UTC
Last seen:2024-07-24 20:48:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:dzB2YroEDJbbi9SWeLlt0FpvF6m4gFAVVj2E3BuQZqGL5:dRro4JbxQvF6m1FAVVj2E3Brj1
TLSH T18DC5339751217608F49C8074FFCFA9900C2E398CE559AC7375A86BDC8B4D905DA8EBCB
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

Intelligence

File Origin
# of uploads :
12
# of downloads :
378
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b9ce9a4cbde31bbcd141e3e0136c0474f23b3008c043e365cec3926758283423.exe
Verdict:
Malicious activity
Analysis date:
2024-07-13 04:12:40 UTC
Tags:
stealc stealer antivm loader
Link:
https://app.any.run/tasks/5a6e57f4-4e46-496d-b459-eb8ea45eeeac

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.XtremeRAT-9837419-0
Create hunting rule

PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6691fe1bda3a746b9a73d718win7simulatehigh_evasion
Tags:
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/6691fe1b15842045dc3b9f79/reports/ebfa2e1f-2ff4-4f0c-aeaa-5e60050f97ec/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b9ce9a4cbde31bbcd141e3e0136c0474f23b3008c043e365cec3926758283423
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/76433ca2-14b0-43b7-bc65-88c48243e705
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/1472616
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 domain / URL
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
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 Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1472616 Sample: file.exe Startdate: 13/07/2024 Architecture: WINDOWS Score: 100 92 youtube-ui.l.google.com 2->92 94 www.youtube.com 2->94 96 33 other IPs or domains 2->96 120 Snort IDS alert for network traffic 2->120 122 Multi AV Scanner detection for domain / URL 2->122 124 Found malware configuration 2->124 126 17 other signatures 2->126 9 file.exe 37 2->9         started        14 explorti.exe 19 2->14         started        16 firefox.exe 2->16         started        signatures3 process4 dnsIp5 98 85.28.47.30, 49704, 51473, 80 GES-ASRU Russian Federation 9->98 100 77.91.77.81, 49705, 51472, 51475 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 9->100 74 C:\Users\user\AppData\...\CBAFIDAECB.exe, PE32 9->74 dropped 76 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->76 dropped 78 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 9->78 dropped 88 12 other files (8 malicious) 9->88 dropped 154 Detected unpacking (changes PE section rights) 9->154 156 Tries to steal Mail credentials (via file / registry access) 9->156 158 Found many strings related to Crypto-Wallets (likely being stolen) 9->158 166 3 other signatures 9->166 18 cmd.exe 1 9->18         started        20 cmd.exe 2 9->20         started        102 77.91.77.82, 51471, 51474, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 14->102 104 push.services.mozilla.com 14->104 80 C:\Users\user\AppData\...\f514bbc0da.exe, PE32 14->80 dropped 82 C:\Users\user\AppData\...\fb8bf9c1bf.exe, PE32 14->82 dropped 84 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->84 dropped 86 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->86 dropped 160 Hides threads from debuggers 14->160 162 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->162 164 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->164 22 fb8bf9c1bf.exe 32 14->22         started        26 f514bbc0da.exe 14->26         started        28 firefox.exe 16->28         started        file6 signatures7 process8 dnsIp9 31 CBAFIDAECB.exe 4 18->31         started        35 conhost.exe 18->35         started        37 conhost.exe 20->37         started        60 C:\Users\user\AppData\...\CGHDAKKJJJ.exe, PE32 22->60 dropped 62 C:\Users\user\AppData\...\softokn3[1].dll, PE32 22->62 dropped 64 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 22->64 dropped 72 4 other files (2 malicious) 22->72 dropped 142 Antivirus detection for dropped file 22->142 144 Multi AV Scanner detection for dropped file 22->144 146 Detected unpacking (changes PE section rights) 22->146 152 6 other signatures 22->152 39 cmd.exe 22->39         started        41 cmd.exe 22->41         started        148 Binary is likely a compiled AutoIt script file 26->148 150 Machine Learning detection for dropped file 26->150 43 firefox.exe 26->43         started        106 youtube-ui.l.google.com 142.250.185.206 GOOGLEUS United States 28->106 108 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82 GOOGLEUS United States 28->108 110 9 other IPs or domains 28->110 66 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 28->66 dropped 68 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 28->68 dropped 70 C:\Users\user\AppData\...\places.sqlite-wal, SQLite 28->70 dropped 45 firefox.exe 28->45         started        47 firefox.exe 28->47         started        49 firefox.exe 28->49         started        file10 signatures11 process12 file13 90 C:\Users\user\AppData\Local\...\explorti.exe, PE32 31->90 dropped 112 Antivirus detection for dropped file 31->112 114 Detected unpacking (changes PE section rights) 31->114 116 Machine Learning detection for dropped file 31->116 118 5 other signatures 31->118 51 explorti.exe 31->51         started        54 CGHDAKKJJJ.exe 39->54         started        56 conhost.exe 39->56         started        58 conhost.exe 41->58         started        signatures14 process15 signatures16 128 Machine Learning detection for dropped file 51->128 130 Tries to evade debugger and weak emulator (self modifying code) 51->130 132 Hides threads from debuggers 51->132 134 Antivirus detection for dropped file 54->134 136 Detected unpacking (changes PE section rights) 54->136 138 Tries to detect sandboxes and other dynamic analysis tools (window names) 54->138 140 2 other signatures 54->140
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b9ce9a4cbde31bbcd141e3e0136c0474f23b3008c043e365cec3926758283423
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9ce9a4cbde31bbcd141e3e0136c0474f23b3008c043e365cec3926758283423/
Threat name:
Win32.Trojan.Stealerc
Create hunting rule
Status:
Malicious
First seen:
2024-07-13 04:10:12 UTC
File Type:
PE (Exe)
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xhhjutf54mn3zukb4pqbg3aeotzdwmaiybb6gzooyojgowbigqrq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:4dd39d botnet:hate discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/240713-erctysvfkq/
Behaviour
Checks processor information in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
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
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:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/661d5be1-5170-4979-89a5-88d7dbf53317
Unpacked files
SH256 hash:
b9ce9a4cbde31bbcd141e3e0136c0474f23b3008c043e365cec3926758283423
MD5 hash:
19e12e86b83be77897a032abf5f32fa0
SHA1 hash:
ed606581628aea09508d24540866828e73b020c9
Link:
https://www.unpac.me/results/18298187-5341-4e0e-a9b4-be84b352ae3b/
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/b9ce9a4cbde31bbcd141e3e0136c0474f23b3008c043e365cec3926758283423

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 b9ce9a4cbde31bbcd141e3e0136c0474f23b3008c043e365cec3926758283423

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2909131/
  
URLhaus
https://urlhaus.abuse.ch/url/2951356/
  
URLhaus
https://urlhaus.abuse.ch/url/2908698/
  
URLhaus
https://urlhaus.abuse.ch/url/2949689/
  
URLhaus
https://urlhaus.abuse.ch/url/2951260/
  
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