MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87743b7b88cf1f3c8a1e335fa76eaf105c1332fecf64b3242d77679b20c16f8e. 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: 87743b7b88cf1f3c8a1e335fa76eaf105c1332fecf64b3242d77679b20c16f8e
SHA3-384 hash: 7cb20a651e9da6973b2e70d7057c16e3d1c0e1b2ab29a3c3ec35f5d4fb61074ff35c39447c4649811932a3a96171f8a2
SHA1 hash: 82c660860a5ba0134c33047d24f30e3fcb05a258
MD5 hash: 219102badbb121620fad64e347befbb9
humanhash: sweet-missouri-salami-oranges
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'840'640 bytes
First seen:2024-11-28 17:16:32 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:X8AwQRQTQQMHWF1FzavH3W7WmbThJHbEzp8vhS6y0l:X83M2FGWLTDHbEzp8vhS5Y
Threatray 1 similar samples on MalwareBazaar
TLSH T1588533912D21BA30D70906365E6FEBC73F73A1709DD8722B2BD07B188DA77047926628
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 :
379
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e5b88a184eb15582285529d8cacc217f902e850a2c60385d7c6848c6114d952e.exe
Verdict:
Malicious activity
Analysis date:
2024-11-28 17:07:14 UTC
Tags:
lumma stealer themida loader stealc
Link:
https://app.any.run/tasks/d9c8dfe7-ae3c-4e3e-b6c0-afff604bcd6c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6748a674e64d1c722d79c06a
Tags:
autorun autoit cobalt spam
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:
microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/6748a5a28f37cc1861ff8ced/reports/4d7120b3-692d-490f-9b2e-01bf5849e272/overview
Verdict:
Malicious
Labled as:
Symmi.Generic
Link:
https://www.hybrid-analysis.com/sample/87743b7b88cf1f3c8a1e335fa76eaf105c1332fecf64b3242d77679b20c16f8e
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d0de60af-2178-4d4c-b34a-a9ffc1cd83aa
Result
Threat name:
Amadey, Nymaim, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1564698
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
Leaks process information
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 dropped file
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 (process name or module or function)
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 Nymaim
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: 1564698 Sample: file.exe Startdate: 28/11/2024 Architecture: WINDOWS Score: 100 62 home.twentykx20pt.top 2->62 92 Suricata IDS alerts for network traffic 2->92 94 Found malware configuration 2->94 96 Malicious sample detected (through community Yara rule) 2->96 98 16 other signatures 2->98 9 file.exe 36 2->9         started        14 skotes.exe 21 2->14         started        16 msedge.exe 9 2->16         started        signatures3 process4 dnsIp5 74 185.215.113.16, 49737, 80 WHOLESALECONNECTIONSNL Portugal 9->74 76 185.215.113.206, 49705, 49725, 49735 WHOLESALECONNECTIONSNL Portugal 9->76 78 127.0.0.1 unknown unknown 9->78 48 C:\Users\user\Documents\HCGCBFHCFC.exe, PE32 9->48 dropped 50 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->50 dropped 52 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->52 dropped 60 11 other files (7 malicious) 9->60 dropped 116 Detected unpacking (changes PE section rights) 9->116 118 Attempt to bypass Chrome Application-Bound Encryption 9->118 120 Drops PE files to the document folder of the user 9->120 128 8 other signatures 9->128 18 cmd.exe 1 9->18         started        20 msedge.exe 2 11 9->20         started        23 chrome.exe 8 9->23         started        80 185.215.113.43, 49806, 49812, 80 WHOLESALECONNECTIONSNL Portugal 14->80 82 31.41.244.11, 49818, 80 AEROEXPRESS-ASRU Russian Federation 14->82 54 C:\Users\user\AppData\...\455d142746.exe, PE32 14->54 dropped 56 C:\Users\user\AppData\...\58bb153907.exe, PE32 14->56 dropped 58 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->58 dropped 122 Hides threads from debuggers 14->122 124 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->124 126 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->126 26 455d142746.exe 14->26         started        28 58bb153907.exe 14->28         started        30 msedge.exe 16->30         started        file6 signatures7 process8 dnsIp9 32 HCGCBFHCFC.exe 4 18->32         started        36 conhost.exe 18->36         started        100 Monitors registry run keys for changes 20->100 38 msedge.exe 20->38         started        64 192.168.2.8, 443, 49704, 49705 unknown unknown 23->64 66 239.255.255.250 unknown Reserved 23->66 40 chrome.exe 23->40         started        68 httpbin.org 18.208.8.205 AMAZON-AESUS United States 26->68 102 Multi AV Scanner detection for dropped file 26->102 104 Detected unpacking (changes PE section rights) 26->104 106 Tries to detect sandboxes and other dynamic analysis tools (window names) 26->106 114 3 other signatures 26->114 70 185.156.72.65 ITDELUXE-ASRU Russian Federation 28->70 108 Machine Learning detection for dropped file 28->108 110 Tries to evade debugger and weak emulator (self modifying code) 28->110 112 Hides threads from debuggers 28->112 signatures10 process11 dnsIp12 46 C:\Users\user\AppData\Local\...\skotes.exe, PE32 32->46 dropped 84 Detected unpacking (changes PE section rights) 32->84 86 Tries to evade debugger and weak emulator (self modifying code) 32->86 88 Tries to detect virtualization through RDTSC time measurements 32->88 90 3 other signatures 32->90 43 skotes.exe 32->43         started        72 www.google.com 172.217.21.36, 443, 49707, 49710 GOOGLEUS United States 40->72 file13 signatures14 process15 signatures16 130 Detected unpacking (changes PE section rights) 43->130 132 Tries to evade debugger and weak emulator (self modifying code) 43->132 134 Hides threads from debuggers 43->134 136 2 other signatures 43->136
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/87743b7b88cf1f3c8a1e335fa76eaf105c1332fecf64b3242d77679b20c16f8e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87743b7b88cf1f3c8a1e335fa76eaf105c1332fecf64b3242d77679b20c16f8e/
Threat name:
Win32.Trojan.LummaStealer
Create hunting rule
Status:
Malicious
First seen:
2024-11-28 17:17:07 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q52dw64iz4ptzcq6gnp2o3vpcbobgmx6z5slgjbno5tzwigbn6ha._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
87743b7b88cf1f3c8a1e335fa76eaf105c1332fecf64b3242d77679b20c16f8e
Stealc
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 defense_evasion discovery dropper evasion execution persistence privilege_escalation spyware stealer trojan
Link:
https://tria.ge/reports/241128-vtn8rszkfp/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
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
Uses Volume Shadow Copy service COM API
Access Token Manipulation: Create Process with Token
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in Windows directory
AutoIT Executable
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Enumerates connected drives
Checks BIOS information in registry
Drops startup file
Event Triggered Execution: Component Object Model Hijacking
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
Command and Scripting Interpreter: PowerShell
Download via BitsAdmin
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
https://preside-comforter.sbs
https://savvy-steereo.sbs
https://copper-replace.sbs
https://record-envyp.sbs
https://slam-whipp.sbs
https://wrench-creter.sbs
https://looky-marked.sbs
https://plastic-mitten.sbs
https://tail-cease.cyou
https://hallowed-noisy.sbs
https://tail-cease.cyou/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7758d16d-814d-4387-9d8a-b394cb6f2390
Unpacked files
SH256 hash:
0d1d4d1900f335fb7befbbf4e8edd3fce64101bab561d7214f4544b0616554af
MD5 hash:
194282e3e695cf8bbd76f4a89d4593d1
SHA1 hash:
a5b66aaab7bedae1c8c6419fad3a3de6709018e3
Detections:
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/a5e0e7c0-2214-4d2c-b320-57ed60518595/
SH256 hash:
87743b7b88cf1f3c8a1e335fa76eaf105c1332fecf64b3242d77679b20c16f8e
MD5 hash:
219102badbb121620fad64e347befbb9
SHA1 hash:
82c660860a5ba0134c33047d24f30e3fcb05a258
Link:
https://www.unpac.me/results/a5e0e7c0-2214-4d2c-b320-57ed60518595/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/87743b7b88cf/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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 87743b7b88cf1f3c8a1e335fa76eaf105c1332fecf64b3242d77679b20c16f8e

(this sample)

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

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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