MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 615b666d7dbd523685e35a7bd7abb3d93f3cf82a9bc3374be0134be716a89080. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments 1

SHA256 hash: 615b666d7dbd523685e35a7bd7abb3d93f3cf82a9bc3374be0134be716a89080
SHA3-384 hash: d13ddafc6a4daff668d695362fcea7636dfeb0e163ff994b40610674db729dff01800cc03d19aee5024bae6a827d206e
SHA1 hash: df2bb824f891d5739bc0e4ee35987eb9d6beb6f7
MD5 hash: 2bc8639cc65bbaec9670c58fa27963a3
humanhash: muppet-fruit-william-washington
File name:2bc8639cc65bbaec9670c58fa27963a3
Download: download sample
Signature Stealc
File size:302'080 bytes
First seen:2024-01-29 09:28:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7971ac7f33adf28893231e5f2764736c (1 x Stealc)
ssdeep 6144:VrLjp+1xf5atcTdV8Gviyn49UKRF9u+diYp0va:VrXpIf4tcRViynAU1+0Yma
Threatray 311 similar samples on MalwareBazaar
TLSH T11054F1223AF09532E2B34D714935EA916A3FBD62BEB4C19F1654073E1E216F0DE66313
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4505/5/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 020406051c183000 (1 x Stealc)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
331
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Searching for synchronization primitives
Creating a file
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Changing a file
Launching a process
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint packed
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.
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1382565 Sample: GHRXbRl3pP.exe Startdate: 29/01/2024 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic 2->60 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 8 other signatures 2->66 9 GHRXbRl3pP.exe 2->9         started        process3 signatures4 76 Detected unpacking (changes PE section rights) 9->76 78 Detected unpacking (overwrites its own PE header) 9->78 80 Contains functionality to inject code into remote processes 9->80 82 Injects a PE file into a foreign processes 9->82 12 GHRXbRl3pP.exe 1 3 9->12         started        process5 dnsIp6 54 185.172.128.90, 49701, 80 NADYMSS-ASRU Russian Federation 12->54 56 5.42.64.33, 49702, 49703, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 12->56 58 185.172.128.109, 49704, 80 NADYMSS-ASRU Russian Federation 12->58 48 C:\Users\user\AppData\Local\Temp\u394.1.exe, PE32 12->48 dropped 50 C:\Users\user\AppData\Local\Temp\u394.0.exe, PE32 12->50 dropped 16 u394.0.exe 45 12->16         started        21 u394.1.exe 2 5 12->21         started        file7 process8 dnsIp9 52 185.172.128.79, 49705, 80 NADYMSS-ASRU Russian Federation 16->52 40 C:\Users\user\AppData\...\softokn3[1].dll, PE32 16->40 dropped 42 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 16->42 dropped 44 C:\Users\user\AppData\...\mozglue[1].dll, PE32 16->44 dropped 46 9 other files (5 malicious) 16->46 dropped 68 Multi AV Scanner detection for dropped file 16->68 70 Detected unpacking (changes PE section rights) 16->70 72 Detected unpacking (overwrites its own PE header) 16->72 74 6 other signatures 16->74 23 cmd.exe 1 16->23         started        25 WerFault.exe 21 16 16->25         started        27 cmd.exe 1 21->27         started        file10 signatures11 process12 signatures13 30 conhost.exe 23->30         started        32 timeout.exe 1 23->32         started        84 Uses schtasks.exe or at.exe to add and modify task schedules 27->84 34 conhost.exe 27->34         started        36 schtasks.exe 1 27->36         started        38 chcp.com 1 27->38         started        process14
Threat name:
Win32.Trojan.Glupteba
Status:
Malicious
First seen:
2024-01-28 19:16:04 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://185.172.128.79
Unpacked files
SH256 hash:
ed3b3b5ba47a4332fbbbcfbcfa61f08bcb671a4fc7c723d503dffb70bd4869b8
MD5 hash:
311c4f9ab059609a4f0dc2d7f5f718ed
SHA1 hash:
7b25225c3456e47a489b1b2bf9c36813d8fcf985
SH256 hash:
615b666d7dbd523685e35a7bd7abb3d93f3cf82a9bc3374be0134be716a89080
MD5 hash:
2bc8639cc65bbaec9670c58fa27963a3
SHA1 hash:
df2bb824f891d5739bc0e4ee35987eb9d6beb6f7
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

Stealc

Executable exe 615b666d7dbd523685e35a7bd7abb3d93f3cf82a9bc3374be0134be716a89080

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-01-29 09:28:11 UTC

url : hxxps://d1rbb432n5n8so.cloudfront.net/InstallSetup.exe