MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39799cbca0280a21fa444531c85521db039ef70f963a8960f3fcaca71d3cf802. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: 39799cbca0280a21fa444531c85521db039ef70f963a8960f3fcaca71d3cf802
SHA3-384 hash: f8ab59317462b52de96c66f0d5db2ea5a0d002350bc41fb9f73241a025db68d276449322826ea532a98a2bcdb6ed58d2
SHA1 hash: f7908d08de79801cebba73a7970756f11b5e23e7
MD5 hash: 7935a87d35721d1697e50bebcbec125b
humanhash: seventeen-pasta-cardinal-three
File name:file
Download: download sample
Signature Stealc
File size:4'590'592 bytes
First seen:2024-09-03 19:34:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 49152:jnozMmGM+bk/AlIIvFG3kbswprXt6d0t00h+SpbWWkggaUJyQr/PFFKyV45Z:beksIcmt6dKg5tyQ5
TLSH T103269E19FF001EC0EA695A3D44A7EFC45255EB932212E936640AE2CDF2C573F1B6F44A
TrID 36.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
28.9% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
15.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
5.2% (.EXE) Win64 Executable (generic) (10523/12/4)
3.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
File icon (PE):PE icon
dhash icon f8d48ecd4fbaccf0 (2 x Stealc, 1 x RedLineStealer)
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://147.45.44.104/lopsa/66d753b13350c_cry.exe#kiscrypto

Intelligence


File Origin
# of uploads :
1
# of downloads :
436
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-03 19:35:55 UTC
Tags:
stealer stealc loader raccoonclipper

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Static Stealc
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm net_reactor obfuscated packed packed stealc vbnet
Result
Verdict:
UNKNOWN
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:
Clipboard Hijacker, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Clipboard Hijacker
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1503715 Sample: file.exe Startdate: 03/09/2024 Architecture: WINDOWS Score: 100 54 evokeedgellc.com 2->54 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 12 other signatures 2->62 11 file.exe 1 2->11         started        15 oobeldr.exe 2->15         started        signatures3 process4 file5 46 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 11->46 dropped 72 Found many strings related to Crypto-Wallets (likely being stolen) 11->72 74 Writes to foreign memory regions 11->74 76 Allocates memory in foreign processes 11->76 78 Injects a PE file into a foreign processes 11->78 17 RegAsm.exe 36 11->17         started        80 Antivirus detection for dropped file 15->80 82 Multi AV Scanner detection for dropped file 15->82 84 Detected unpacking (changes PE section rights) 15->84 86 Switches to a custom stack to bypass stack traces 15->86 22 schtasks.exe 1 15->22         started        signatures6 process7 dnsIp8 50 45.152.113.10, 49730, 49732, 80 CODECCLOUD-AS-APCodecCloudHKLimitedHK Russian Federation 17->50 52 evokeedgellc.com 198.54.120.231, 443, 49731 NAMECHEAP-NETUS United States 17->52 38 C:\Users\user\AppData\...\softokn3[1].dll, PE32 17->38 dropped 40 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 17->40 dropped 42 C:\Users\user\AppData\...\mozglue[1].dll, PE32 17->42 dropped 44 11 other files (7 malicious) 17->44 dropped 64 Tries to steal Mail credentials (via file / registry access) 17->64 66 Found many strings related to Crypto-Wallets (likely being stolen) 17->66 68 Tries to harvest and steal ftp login credentials 17->68 70 5 other signatures 17->70 24 cmd.exe 1 17->24         started        26 conhost.exe 22->26         started        file9 signatures10 process11 process12 28 AAEHDAAKEH.exe 1 24->28         started        32 conhost.exe 24->32         started        file13 48 C:\Users\user\AppData\Roaming\...\oobeldr.exe, MS-DOS 28->48 dropped 88 Antivirus detection for dropped file 28->88 90 Multi AV Scanner detection for dropped file 28->90 92 Detected unpacking (changes PE section rights) 28->92 94 2 other signatures 28->94 34 schtasks.exe 1 28->34         started        signatures14 process15 process16 36 conhost.exe 34->36         started       
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:cry credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
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
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Stealc
Malware Config
C2 Extraction:
http://45.152.113.10
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
86e9d60c29c635146be5eeb4d2df981010bb60d586cf553a75419772bbc0b302
MD5 hash:
6c2bc5b8b43a3118520f0951e4a5b2de
SHA1 hash:
cff937c3d22b83804890ca0584645ea2abaf224d
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Parent samples :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 hash:
faad3fec7e6ed548fcd51f7b97c8b6362b4c341b3cd2ac2b3509437c7907d8eb
MD5 hash:
2b0572e1a0bee5e03f148b6ae6dc6df7
SHA1 hash:
8ae0915e75a86533260d24951998e804b7202787
SH256 hash:
39799cbca0280a21fa444531c85521db039ef70f963a8960f3fcaca71d3cf802
MD5 hash:
7935a87d35721d1697e50bebcbec125b
SHA1 hash:
f7908d08de79801cebba73a7970756f11b5e23e7
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
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:DotNet_Reactor
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Stealc

Executable exe 39799cbca0280a21fa444531c85521db039ef70f963a8960f3fcaca71d3cf802

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download

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

Comments