MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efbc8318bac69fdbc43aa14cd7d82273b6208b290f9fc612292c10480a679776. 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: efbc8318bac69fdbc43aa14cd7d82273b6208b290f9fc612292c10480a679776
SHA3-384 hash: 0f6246aca671c0c9db181704e6c37007c6da1c2c5c1894bd4da1f57310d7a1b7871105a0425bb097477127f76c21d467
SHA1 hash: c81b2bdd617205733fd3f20626a3a3f5de1df4f0
MD5 hash: fa103c60627745006ef761c05844f4ad
humanhash: virginia-fourteen-kentucky-speaker
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'796'096 bytes
First seen:2024-11-28 21:31:11 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:f71wCTxTlwjbXTjYrbAp1SqxR3ANJxPNFgQpa45G1jmk71eF8VdjNbopmP/DzsCa:fZ5Z4bj0rbo1SWANTPwQpcMkx1XDnor
TLSH T1218533B91720F1B0D53AB9B03489A19A1D69021750F6CF431B43E7CDD96FF9ABDBA804
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 :
457
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-28 21:31:37 UTC
Tags:
stealer stealc loader themida amadey botnet gcleaner cryptbot
Link:
https://app.any.run/tasks/76ac8012-6f07-4b1d-86b9-1c204a6fe61a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.13483.30416.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6748e2f504c232bff3b47d7f
Tags:
autorun autoit spam lien
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:
Malicious
Labled as:
Symmi.Generic
Link:
https://www.hybrid-analysis.com/sample/efbc8318bac69fdbc43aa14cd7d82273b6208b290f9fc612292c10480a679776
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/93927ad7-36e6-4b20-8d4a-e1b700d75889
Result
Threat name:
Amadey, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1564868
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 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 submitted file
PE file contains section with special chars
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 Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1564868 Sample: file.exe Startdate: 28/11/2024 Architecture: WINDOWS Score: 100 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Antivirus detection for URL or domain 2->75 77 12 other signatures 2->77 8 file.exe 36 2->8         started        13 skotes.exe 12 2->13         started        15 skotes.exe 2->15         started        17 msedge.exe 9 2->17         started        process3 dnsIp4 59 185.215.113.16, 49833, 80 WHOLESALECONNECTIONSNL Portugal 8->59 61 185.215.113.206, 49707, 49752, 49795 WHOLESALECONNECTIONSNL Portugal 8->61 63 127.0.0.1 unknown unknown 8->63 43 C:\Users\user\Documents\CFBAKKJDBK.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 49 11 other files (7 malicious) 8->49 dropped 89 Detected unpacking (changes PE section rights) 8->89 91 Attempt to bypass Chrome Application-Bound Encryption 8->91 93 Drops PE files to the document folder of the user 8->93 101 8 other signatures 8->101 19 cmd.exe 1 8->19         started        21 msedge.exe 2 10 8->21         started        24 chrome.exe 8->24         started        65 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 13->65 95 Hides threads from debuggers 13->95 97 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->97 99 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->99 27 msedge.exe 17->27         started        file5 signatures6 process7 dnsIp8 29 CFBAKKJDBK.exe 4 19->29         started        33 conhost.exe 19->33         started        79 Monitors registry run keys for changes 21->79 35 msedge.exe 21->35         started        67 192.168.2.6, 443, 49702, 49705 unknown unknown 24->67 69 239.255.255.250 unknown Reserved 24->69 37 chrome.exe 24->37         started        signatures9 process10 dnsIp11 51 C:\Users\user\AppData\Local\...\skotes.exe, PE32 29->51 dropped 103 Antivirus detection for dropped file 29->103 105 Detected unpacking (changes PE section rights) 29->105 107 Machine Learning detection for dropped file 29->107 109 5 other signatures 29->109 40 skotes.exe 29->40         started        53 www.google.com 142.250.181.68, 443, 49720, 49723 GOOGLEUS United States 37->53 55 plus.l.google.com 172.217.17.78, 443, 49761 GOOGLEUS United States 37->55 57 apis.google.com 37->57 file12 signatures13 process14 signatures15 81 Antivirus detection for dropped file 40->81 83 Detected unpacking (changes PE section rights) 40->83 85 Tries to detect sandboxes and other dynamic analysis tools (window names) 40->85 87 5 other signatures 40->87
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/efbc8318bac69fdbc43aa14cd7d82273b6208b290f9fc612292c10480a679776
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efbc8318bac69fdbc43aa14cd7d82273b6208b290f9fc612292c10480a679776/
Threat name:
Win32.Trojan.LummaStealer
Create hunting rule
Status:
Malicious
First seen:
2024-11-28 21:32:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=566iggf2y2p5xrb2ufgnpwbcoo3cbczjb6p4merjfqieqcths53a._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:lumma family:stealc botnet:9c9aa5 botnet:drum credential_access discovery evasion persistence spyware stealer trojan
Link:
https://tria.ge/reports/241128-1dlets1nf1/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
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
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
Enumerates VirtualBox registry keys
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
Verdict:
Suspicious
Tags:
Stealc Stealer
YARA:
n/a
Link:
https://app.threat.zone/submission/74d2de4e-1273-44d8-8c4a-25945d261e9a
Unpacked files
SH256 hash:
0171b244016722c6ba474858745a25ea4e1077d7889ffd7040981f09016a8d25
MD5 hash:
fe40f6fbe55d4e6dfd116bc12dc23628
SHA1 hash:
ffa69f9546c3753a471b08e0063ececd28046d88
Detections:
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/c541d1d9-aafa-445a-98a6-9eb058edfcd4/
SH256 hash:
efbc8318bac69fdbc43aa14cd7d82273b6208b290f9fc612292c10480a679776
MD5 hash:
fa103c60627745006ef761c05844f4ad
SHA1 hash:
c81b2bdd617205733fd3f20626a3a3f5de1df4f0
Link:
https://www.unpac.me/results/c541d1d9-aafa-445a-98a6-9eb058edfcd4/
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/efbc8318bac69fdbc43aa14cd7d82273b6208b290f9fc612292c10480a679776

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

Stealc

Executable exe efbc8318bac69fdbc43aa14cd7d82273b6208b290f9fc612292c10480a679776

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3284801/
  
URLhaus
https://urlhaus.abuse.ch/url/3279845/

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

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