MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f90550486074a72ad34299b52e89c46900fd1d3c7431db90b65dcb8d2cd6abf4. 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: f90550486074a72ad34299b52e89c46900fd1d3c7431db90b65dcb8d2cd6abf4
SHA3-384 hash: 09f2c3de12385bd73a0dd2e2e323ad7bb60112c0f5c23bf3ccc6b35217b23a826c3f7bfb3d5da8ccbd8f625b1a90767e
SHA1 hash: e8b0d4be645e7b948042afddb047850a55a6f405
MD5 hash: 00a808a58290c0723fef814dfdefc856
humanhash: louisiana-quiet-spring-arizona
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'793'024 bytes
First seen:2024-11-11 20:57:51 UTC
Last seen:2024-11-11 21:09:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:BUXeuv+hcJKrxQI6xoHsp9Hh86o1vplSyZ3iYJ:uOXhgKOIgoHe9HW6ehljZ3n
TLSH T1C385334AFDAC4048DF35E8B7159391503FB0758CC9FBE8094BA9766DEA3B40A3E4D41A
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 :
4
# of downloads :
423
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-11 21:00:11 UTC
Tags:
stealer stealc loader themida amadey botnet lumma possible-phishing
Link:
https://app.any.run/tasks/e88318c8-6bd8-4ff3-8b42-2e2b477c9f20

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.12583.9396.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67327013af2d3dc89feed385
Tags:
vmdetect autorun 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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/67326fe1c485c78d423b7713/reports/51f5503b-037f-4e5b-85fc-9df94c36c673/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/f90550486074a72ad34299b52e89c46900fd1d3c7431db90b65dcb8d2cd6abf4
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6210e831-1bf1-4571-bd00-d83b5661e82d
Result
Threat name:
Amadey, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1554003
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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
Drops PE files to the user root directory
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
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 dnsIp2 2 Behavior Graph ID: 1554003 Sample: file.exe Startdate: 11/11/2024 Architecture: WINDOWS Score: 100 58 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 2->58 82 Suricata IDS alerts for network traffic 2->82 84 Found malware configuration 2->84 86 Antivirus detection for URL or domain 2->86 88 10 other signatures 2->88 9 file.exe 37 2->9         started        14 skotes.exe 2->14         started        16 msedge.exe 629 2->16         started        signatures3 process4 dnsIp5 70 185.215.113.16, 58846, 80 WHOLESALECONNECTIONSNL Portugal 9->70 72 185.215.113.206, 49704, 49729, 58697 WHOLESALECONNECTIONSNL Portugal 9->72 74 127.0.0.1 unknown unknown 9->74 50 C:\Users\user\DocumentsJJJJKEHCAK.exe, PE32 9->50 dropped 52 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 9->52 dropped 54 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->54 dropped 56 11 other files (none is malicious) 9->56 dropped 100 Detected unpacking (changes PE section rights) 9->100 102 Attempt to bypass Chrome Application-Bound Encryption 9->102 104 Drops PE files to the document folder of the user 9->104 112 11 other signatures 9->112 18 cmd.exe 9->18         started        20 msedge.exe 2 10 9->20         started        23 chrome.exe 8 9->23         started        106 Tries to detect sandboxes and other dynamic analysis tools (window names) 14->106 108 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->108 110 Tries to evade debugger and weak emulator (self modifying code) 14->110 26 msedge.exe 16->26         started        28 msedge.exe 16->28         started        30 msedge.exe 16->30         started        32 msedge.exe 16->32         started        file6 signatures7 process8 dnsIp9 34 DocumentsJJJJKEHCAK.exe 18->34         started        38 conhost.exe 18->38         started        98 Monitors registry run keys for changes 20->98 40 msedge.exe 20->40         started        60 192.168.2.5, 443, 49703, 49704 unknown unknown 23->60 62 239.255.255.250 unknown Reserved 23->62 42 chrome.exe 23->42         started        64 sb.scorecardresearch.com 18.65.39.56, 443, 58686 MIT-GATEWAYSUS United States 26->64 66 104.208.16.90, 443, 58753, 58790 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 26->66 68 26 other IPs or domains 26->68 signatures10 process11 dnsIp12 48 C:\Users\user\AppData\Local\...\skotes.exe, PE32 34->48 dropped 90 Detected unpacking (changes PE section rights) 34->90 92 Tries to evade debugger and weak emulator (self modifying code) 34->92 94 Tries to detect virtualization through RDTSC time measurements 34->94 96 3 other signatures 34->96 45 skotes.exe 34->45         started        76 www.google.com 142.250.185.100, 443, 49708, 49709 GOOGLEUS United States 42->76 78 play.google.com 142.250.185.110, 443, 49722, 49731 GOOGLEUS United States 42->78 80 2 other IPs or domains 42->80 file13 signatures14 process15 signatures16 114 Hides threads from debuggers 45->114 116 Tries to detect sandboxes / dynamic malware analysis system (registry check) 45->116 118 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 45->118
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f90550486074a72ad34299b52e89c46900fd1d3c7431db90b65dcb8d2cd6abf4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f90550486074a72ad34299b52e89c46900fd1d3c7431db90b65dcb8d2cd6abf4/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-11-11 20:58:12 UTC
File Type:
PE (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7ecvasdaostsvu2ctg2s5coeneap2hj4oqy5xefwlxfy2lgwvp2a._file
Result
Malware family:
lumma
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:lumma botnet:9c9aa5 credential_access discovery evasion persistence spyware stealer trojan
Link:
https://tria.ge/reports/241111-zr56qawepq/
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 WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
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
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
Unsecured Credentials: Credentials In Files
Windows security modification
Downloads MZ/PE file
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Lumma family
Modifies Windows Defender Real-time Protection settings
Amadey
Amadey family
Lumma Stealer, LummaC
Malware Config
C2 Extraction:
http://185.215.113.43
https://scriptyprefej.store
https://navygenerayk.store
https://founpiuer.store
https://necklacedmny.store
https://thumbystriw.store
https://fadehairucw.store
https://crisiwarny.store
https://presticitpo.store
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d2693397-d633-41a0-ba9c-3f28f6c4582d
Unpacked files
SH256 hash:
f5964992b9b30218f66fe9512bbf7fd5e5e1685b5132afef063ea571b95a7fd2
MD5 hash:
4d5425ed3a0913726e4a9daccee847e7
SHA1 hash:
369f692c7d2b21df8bb773affe19d2a870f97576
Detections:
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/f604abe6-c96e-41b7-bc37-fd8415495092/
SH256 hash:
f90550486074a72ad34299b52e89c46900fd1d3c7431db90b65dcb8d2cd6abf4
MD5 hash:
00a808a58290c0723fef814dfdefc856
SHA1 hash:
e8b0d4be645e7b948042afddb047850a55a6f405
Link:
https://www.unpac.me/results/f604abe6-c96e-41b7-bc37-fd8415495092/
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/f90550486074a72ad34299b52e89c46900fd1d3c7431db90b65dcb8d2cd6abf4

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:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Stealc

Executable exe f90550486074a72ad34299b52e89c46900fd1d3c7431db90b65dcb8d2cd6abf4

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3273391/
  
URLhaus
https://urlhaus.abuse.ch/url/3079150/

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

Comments