MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c20cbe8a8838d11a3cce3389ed1a4d62b07ac12863b01f771dc9cd3e48df282a. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: c20cbe8a8838d11a3cce3389ed1a4d62b07ac12863b01f771dc9cd3e48df282a
SHA3-384 hash: dbe770fb15c4f49abb8b056f312a7e043eb7c8f70e53a9c33b9b2aa76fcd8ba75652defdcdfd9b3c33485e34daf4c60f
SHA1 hash: cd131ae569c0823d17f9536813972ddebd1b8af3
MD5 hash: 978fb002175fe940a42718e2f2579cd0
humanhash: maine-mockingbird-neptune-potato
File name:978fb002175fe940a42718e2f2579cd0.exe
Download: download sample
Signature Stealc
File size:296'960 bytes
First seen:2024-02-20 14:00:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7aaf61b5585d3765e6c5580f28fe01db (6 x Stealc)
ssdeep 6144:RckPthi3PXRJZ7ByoTTSAEXelWIBoKhmB3nQ2+2GbvVwy1:2ywfXRJZtyaSA08oeb2+LwO
Threatray 159 similar samples on MalwareBazaar
TLSH T15154026273E1C032C0D75534A6BAC7706B7EB871767A489F67D8163A5EB03808E7E316
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon d2f0e4c4e4f1c6f9 (3 x Stealc, 1 x Glupteba, 1 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.145/3cd2b41cbde8fc9c.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
320
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request to an infection source
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Creating a file
Creating a window
Searching for synchronization primitives
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Changing a file
Launching a process
Connection attempt to an infection source
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
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)
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: 1395302 Sample: buxdxrPLJK.exe Startdate: 20/02/2024 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 6 other signatures 2->59 8 buxdxrPLJK.exe 1 3 2->8         started        process3 dnsIp4 45 185.172.128.90, 49705, 80 NADYMSS-ASRU Russian Federation 8->45 47 185.172.128.109, 49708, 80 NADYMSS-ASRU Russian Federation 8->47 49 185.172.128.127, 49706, 49707, 80 NADYMSS-ASRU Russian Federation 8->49 33 C:\Users\user\AppData\Local\Temp\u12s.1.exe, PE32 8->33 dropped 35 C:\Users\user\AppData\Local\Temp\u12s.0.exe, PE32 8->35 dropped 63 Detected unpacking (changes PE section rights) 8->63 65 Detected unpacking (overwrites its own PE header) 8->65 13 u12s.0.exe 67 8->13         started        18 u12s.1.exe 2 5 8->18         started        20 WerFault.exe 19 16 8->20         started        file5 signatures6 process7 dnsIp8 51 185.172.128.145, 49709, 80 NADYMSS-ASRU Russian Federation 13->51 37 C:\Users\user\AppData\...\softokn3[1].dll, PE32 13->37 dropped 39 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->39 dropped 41 C:\Users\user\AppData\...\mozglue[1].dll, PE32 13->41 dropped 43 9 other files (5 malicious) 13->43 dropped 67 Antivirus detection for dropped file 13->67 69 Multi AV Scanner detection for dropped file 13->69 71 Detected unpacking (changes PE section rights) 13->71 73 9 other signatures 13->73 22 WerFault.exe 23 16 13->22         started        24 cmd.exe 1 18->24         started        file9 signatures10 process11 signatures12 61 Uses schtasks.exe or at.exe to add and modify task schedules 24->61 27 conhost.exe 24->27         started        29 schtasks.exe 1 24->29         started        31 chcp.com 1 24->31         started        process13
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-02-20 14:01:06 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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://185.172.128.145
Unpacked files
SH256 hash:
822f18c193a9dca10beca54e45f423e617f1404a537062a0eb4f27f085578389
MD5 hash:
8f695bb4af2df1672af5106c42d7f634
SHA1 hash:
7e9e1fc59c5fa984fd3f344a0f9fe50e375e272a
SH256 hash:
c20cbe8a8838d11a3cce3389ed1a4d62b07ac12863b01f771dc9cd3e48df282a
MD5 hash:
978fb002175fe940a42718e2f2579cd0
SHA1 hash:
cd131ae569c0823d17f9536813972ddebd1b8af3
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 c20cbe8a8838d11a3cce3389ed1a4d62b07ac12863b01f771dc9cd3e48df282a

(this sample)

  
Delivery method
Distributed via web download

Comments