MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a63c8da0504eb526d7a28d684872a1aca575819f46a0ecef131d30ac2d6da4ed. 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: 18


Intelligence 18 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a63c8da0504eb526d7a28d684872a1aca575819f46a0ecef131d30ac2d6da4ed
SHA3-384 hash: 5fdf3a1a806e706dba5da3954667f430ed710c72843c343d87f38300c9f3911bb5c8343c584d06506d0cb44ca6e07d23
SHA1 hash: d8883d8802dd0363cc505cbae99d3c37fa83b283
MD5 hash: 2704b8659485a783c81f96440f2f5ca4
humanhash: edward-oregon-comet-nine
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:5'277'184 bytes
First seen:2024-12-07 11:57:21 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 49152:63T9U3oVHLbwpaN4j7fMljwRMyWrMQFn:ET9goVrbv4j7EpuTAF
TLSH T123364A927A477DCBE44AE67EB72FDD42595F83B847100CC3981874B9AEE3DC011A5E28
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 :
424
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-07 12:01:52 UTC
Tags:
stealer stealc loader themida amadey botnet lumma remote xworm
Link:
https://app.any.run/tasks/528da633-3091-48f0-87cd-3219efe84f71

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.30054.4060.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6754384e4f31f1920932b542
Tags:
vmdetect autorun autoit spam
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/6754384a901b5215ed091151/reports/ffd484f9-b8be-469c-a141-47e97489c7b6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/a63c8da0504eb526d7a28d684872a1aca575819f46a0ecef131d30ac2d6da4ed
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:
Unknown
Link:
https://analyze.intezer.com/analyses/4d829f84-d4ce-4848-89f7-2ff58d8a679f
Result
Threat name:
Amadey, LummaC Stealer, Stealc, Vidar, X
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1570613
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
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Drops PE files to the document folder of the user
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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Monitors registry run keys for changes
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: New RUN Key Pointing to Suspicious Folder
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 LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1570613 Sample: file.exe Startdate: 07/12/2024 Architecture: WINDOWS Score: 100 70 atten-supporse.biz 2->70 102 Multi AV Scanner detection for domain / URL 2->102 104 Suricata IDS alerts for network traffic 2->104 106 Found malware configuration 2->106 108 20 other signatures 2->108 9 skotes.exe 26 2->9         started        14 file.exe 36 2->14         started        16 skotes.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 dnsIp5 80 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 9->80 82 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 9->82 54 C:\Users\user\AppData\...\e0da62c8af.exe, PE32 9->54 dropped 56 C:\Users\user\AppData\...\0fb4fa91ba.exe, PE32 9->56 dropped 58 C:\Users\user\AppData\...\9faf801df7.exe, PE32 9->58 dropped 66 5 other malicious files 9->66 dropped 142 Creates multiple autostart registry keys 9->142 144 Hides threads from debuggers 9->144 146 Tries to detect sandboxes / dynamic malware analysis system (registry check) 9->146 20 qk4EiZw.exe 9->20         started        24 9faf801df7.exe 9->24         started        26 0fb4fa91ba.exe 9->26         started        28 e0da62c8af.exe 9->28         started        84 185.215.113.16, 49829, 80 WHOLESALECONNECTIONSNL Portugal 14->84 86 185.215.113.206, 49701, 49743, 49788 WHOLESALECONNECTIONSNL Portugal 14->86 88 127.0.0.1 unknown unknown 14->88 60 C:\Users\user\Documents\AAAAECGHCB.exe, PE32 14->60 dropped 62 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->62 dropped 64 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->64 dropped 68 11 other files (7 malicious) 14->68 dropped 148 Detected unpacking (changes PE section rights) 14->148 150 Attempt to bypass Chrome Application-Bound Encryption 14->150 152 Drops PE files to the document folder of the user 14->152 160 7 other signatures 14->160 30 cmd.exe 1 14->30         started        32 msedge.exe 2 11 14->32         started        34 chrome.exe 14->34         started        154 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 16->154 156 Tries to evade debugger and weak emulator (self modifying code) 16->156 158 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->158 36 msedge.exe 18->36         started        file6 signatures7 process8 dnsIp9 72 112.213.116.149 SUNHK-DATA-AS-APSunNetworkHongKongLimited-HongKong Hong Kong 20->72 110 Antivirus detection for dropped file 20->110 112 Multi AV Scanner detection for dropped file 20->112 114 Detected unpacking (changes PE section rights) 20->114 116 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->116 74 atten-supporse.biz 104.21.16.9 CLOUDFLARENETUS United States 24->74 118 Tries to detect sandboxes and other dynamic analysis tools (window names) 24->118 120 Machine Learning detection for dropped file 24->120 122 Tries to evade debugger and weak emulator (self modifying code) 24->122 124 Hides threads from debuggers 26->124 126 Tries to detect sandboxes / dynamic malware analysis system (registry check) 26->126 128 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 26->128 130 Binary is likely a compiled AutoIt script file 28->130 38 AAAAECGHCB.exe 4 30->38         started        42 conhost.exe 30->42         started        132 Monitors registry run keys for changes 32->132 44 msedge.exe 32->44         started        76 192.168.2.7, 443, 49700, 49701 unknown unknown 34->76 78 239.255.255.250 unknown Reserved 34->78 46 chrome.exe 34->46         started        signatures10 process11 dnsIp12 52 C:\Users\user\AppData\Local\...\skotes.exe, PE32 38->52 dropped 134 Detected unpacking (changes PE section rights) 38->134 136 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 38->136 138 Tries to evade debugger and weak emulator (self modifying code) 38->138 140 4 other signatures 38->140 49 skotes.exe 38->49         started        90 www.google.com 142.250.181.68, 443, 49714, 49715 GOOGLEUS United States 46->90 92 plus.l.google.com 172.217.17.46, 443, 49753 GOOGLEUS United States 46->92 94 3 other IPs or domains 46->94 file13 signatures14 process15 signatures16 96 Hides threads from debuggers 49->96 98 Tries to detect sandboxes / dynamic malware analysis system (registry check) 49->98 100 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 49->100
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a63c8da0504eb526d7a28d684872a1aca575819f46a0ecef131d30ac2d6da4ed
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a63c8da0504eb526d7a28d684872a1aca575819f46a0ecef131d30ac2d6da4ed/
Threat name:
Win32.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2024-12-07 11:58:11 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uy6i3icqj22snv5crvueq4vbvssxlam7i2qoz3ytduykyllnutwq._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
amadey
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:lumma family:stealc family:xworm botnet:9c9aa5 botnet:drum credential_access discovery evasion persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/241207-n456ps1pf1/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
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
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
Program crash
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
Checks computer location settings
Drops startup file
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)
Amadey
Amadey family
Detect Xworm Payload
Lumma Stealer, LummaC
Lumma family
Modifies Windows Defender Real-time Protection settings
Stealc
Stealc family
Xworm
Xworm family
Malware Config
C2 Extraction:
http://185.215.113.206
http://185.215.113.43
112.213.116.149:7000
https://impend-differ.biz/api
https://print-vexer.biz/api
https://dare-curbys.biz/api
https://covery-mover.biz/api
https://formy-spill.biz/api
https://dwell-exclaim.biz/api
https://zinc-sneark.biz/api
https://se-blurry.biz/api
https://atten-supporse.biz/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1c0cc933-715d-4fd5-9ced-5889fb9e2664
Unpacked files
SH256 hash:
3f3586bac4774e806c73c461fadbfc63a565df33627c8a0e17339ef7c189fcb7
MD5 hash:
c39f955bea1a5ba94661a8292d19b0d1
SHA1 hash:
dd901429203e677d2e2436679dbb6781432e40d3
Detections:
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/df80e458-9e4c-4642-9966-f28f979779fb/
SH256 hash:
5b671d62c25b4221ce0c4742202b95521b572f566ceb07031ac25eb38483f001
MD5 hash:
585737258f5f9f13afe5dfca748e7431
SHA1 hash:
ba5b23d8421f3908dfa692d5f048cb13c7aab1ef
Link:
https://www.unpac.me/results/df80e458-9e4c-4642-9966-f28f979779fb/
SH256 hash:
a63c8da0504eb526d7a28d684872a1aca575819f46a0ecef131d30ac2d6da4ed
MD5 hash:
2704b8659485a783c81f96440f2f5ca4
SHA1 hash:
d8883d8802dd0363cc505cbae99d3c37fa83b283
Link:
https://www.unpac.me/results/df80e458-9e4c-4642-9966-f28f979779fb/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a63c8da0504e/report/overview.html
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/a63c8da0504eb526d7a28d684872a1aca575819f46a0ecef131d30ac2d6da4ed

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 a63c8da0504eb526d7a28d684872a1aca575819f46a0ecef131d30ac2d6da4ed

(this sample)

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

Comments