MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a643854082593e8ceede57381cff48e1c68f95dd88adf752ccd1e83ffed05b67. 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: a643854082593e8ceede57381cff48e1c68f95dd88adf752ccd1e83ffed05b67
SHA3-384 hash: ac5dbce81e2c546f179578ed19119be2b664b15fd7661aa5eef00894314bf843d583362a14be36941fd02e0bbd0fd48d
SHA1 hash: b143bf65c2de3efed5db0c90b585d23f97c8cebf
MD5 hash: 892f471d0de7396bd459360575504f5d
humanhash: floor-beryllium-maine-table
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'834'496 bytes
First seen:2024-11-18 05:46:35 UTC
Last seen:2024-11-18 05:47:07 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 24576:DbjDPiwPo1Wj9qgjppc8pyxE0fwmX9/k7Qkk2Gj1c3oOFS7gf+5Hlwn0f9w/fDIv:DbfPi/1WAgjoyji98sTj0IgkFO69q9
TLSH T14F8533794833409FD7102A729F8BE3026768B0D950CF94B06684327D46A7BEBB4DA5FD
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 :
3
# of downloads :
383
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-18 05:48:59 UTC
Tags:
loader lumma themida stealer stealc
Link:
https://app.any.run/tasks/6b0a0987-bbc5-4607-9e4f-3856287b514b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.6036.20430.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=673ad6035107a56eacc74354
Tags:
vmdetect autorun autoit lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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/673ad4dab7d1bc76f5ff5626/reports/d9efa9cd-dd24-4dea-b1f0-663d119def71/overview
Verdict:
Malicious
Labled as:
Symmi.Generic
Link:
https://www.hybrid-analysis.com/sample/a643854082593e8ceede57381cff48e1c68f95dd88adf752ccd1e83ffed05b67
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/0ae954d4-7e73-4ebb-b798-4c2633127acb
Result
Threat name:
Amadey, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1557373
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 malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
Maps a DLL or memory area into another process
Monitors registry run keys for changes
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Potentially malicious time measurement code found
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: 1557373 Sample: file.exe Startdate: 18/11/2024 Architecture: WINDOWS Score: 100 66 home.fvtejj5vs.top 2->66 102 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 11 other signatures 2->108 9 file.exe 37 2->9         started        14 skotes.exe 2->14         started        16 skotes.exe 2->16         started        18 msedge.exe 632 2->18         started        signatures3 process4 dnsIp5 68 185.215.113.16 WHOLESALECONNECTIONSNL Portugal 9->68 70 185.215.113.206, 49710, 49771, 49852 WHOLESALECONNECTIONSNL Portugal 9->70 72 127.0.0.1 unknown unknown 9->72 54 C:\Users\user\DocumentsFBAFIIJKJE.exe, PE32 9->54 dropped 56 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 9->56 dropped 58 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->58 dropped 64 11 other files (none is malicious) 9->64 dropped 128 Detected unpacking (changes PE section rights) 9->128 130 Attempt to bypass Chrome Application-Bound Encryption 9->130 132 Drops PE files to the document folder of the user 9->132 142 9 other signatures 9->142 20 cmd.exe 9->20         started        22 msedge.exe 2 10 9->22         started        25 chrome.exe 9->25         started        74 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 14->74 76 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 14->76 60 C:\Users\user\AppData\...\2fb05288e6.exe, PE32 14->60 dropped 62 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->62 dropped 134 Hides threads from debuggers 14->134 136 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->136 138 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->138 28 2fb05288e6.exe 14->28         started        140 Maps a DLL or memory area into another process 18->140 30 msedge.exe 18->30         started        32 identity_helper.exe 18->32         started        34 identity_helper.exe 18->34         started        36 3 other processes 18->36 file6 signatures7 process8 dnsIp9 38 DocumentsFBAFIIJKJE.exe 20->38         started        42 conhost.exe 20->42         started        110 Monitors registry run keys for changes 22->110 44 msedge.exe 22->44         started        78 192.168.2.6, 443, 49705, 49707 unknown unknown 25->78 80 239.255.255.250 unknown Reserved 25->80 46 chrome.exe 25->46         started        112 Detected unpacking (changes PE section rights) 28->112 114 Tries to detect sandboxes and other dynamic analysis tools (window names) 28->114 116 Tries to evade debugger and weak emulator (self modifying code) 28->116 118 3 other signatures 28->118 82 23.218.232.185, 443, 49885 RAYA-ASEG United States 30->82 84 23.218.232.186 RAYA-ASEG United States 30->84 86 25 other IPs or domains 30->86 signatures10 process11 dnsIp12 52 C:\Users\user\AppData\Local\...\skotes.exe, PE32 38->52 dropped 120 Detected unpacking (changes PE section rights) 38->120 122 Tries to evade debugger and weak emulator (self modifying code) 38->122 124 Tries to detect virtualization through RDTSC time measurements 38->124 126 3 other signatures 38->126 49 skotes.exe 38->49         started        88 www.google.com 142.250.186.164, 443, 49712, 49716 GOOGLEUS United States 46->88 90 play.google.com 142.250.186.174, 443, 49755, 49780 GOOGLEUS United States 46->90 92 2 other IPs or domains 46->92 file13 signatures14 process15 signatures16 94 Detected unpacking (changes PE section rights) 49->94 96 Tries to evade debugger and weak emulator (self modifying code) 49->96 98 Hides threads from debuggers 49->98 100 3 other signatures 49->100
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a643854082593e8ceede57381cff48e1c68f95dd88adf752ccd1e83ffed05b67
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a643854082593e8ceede57381cff48e1c68f95dd88adf752ccd1e83ffed05b67/
Threat name:
Win32.Trojan.StealerC
Create hunting rule
Status:
Malicious
First seen:
2024-11-18 05:47:13 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzbykqecle7iz3w6k44bz72i4hdi7fo5rcw7ouwm2hud77wqlntq._file
Result
Malware family:
lumma
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:cryptbot family:lumma botnet:9c9aa5 credential_access discovery evasion persistence spyware stealer trojan
Link:
https://tria.ge/reports/241118-ggvywszdka/
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
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Modifies Windows Defender Real-time Protection settings
Amadey
Amadey family
CryptBot
Cryptbot family
Detects CryptBot payload
Lumma Stealer, LummaC
Lumma family
Malware Config
C2 Extraction:
http://185.215.113.43
https://processhol.sbs/api
https://p10tgrace.sbs/api
https://peepburry828.sbs/api
https://3xp3cts1aim.sbs/api
https://p3ar11fter.sbs/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/518da27c-481e-4c18-ac29-1f5c66df41a9
Unpacked files
SH256 hash:
c0a24ec4a8ee825da5d1d51c0da05edd96525736fb53d35376aeb3a9ad079257
MD5 hash:
6a4a2c4f67569b932586812cbd95cc37
SHA1 hash:
976911c14470d886d3360ca0f7ddb6cde05e048c
Detections:
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/79928d71-b79b-46c7-a425-d196fd0f51e2/
SH256 hash:
a643854082593e8ceede57381cff48e1c68f95dd88adf752ccd1e83ffed05b67
MD5 hash:
892f471d0de7396bd459360575504f5d
SHA1 hash:
b143bf65c2de3efed5db0c90b585d23f97c8cebf
Link:
https://www.unpac.me/results/79928d71-b79b-46c7-a425-d196fd0f51e2/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a64385408259/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/a643854082593e8ceede57381cff48e1c68f95dd88adf752ccd1e83ffed05b67

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 a643854082593e8ceede57381cff48e1c68f95dd88adf752ccd1e83ffed05b67

(this sample)

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

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