MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 719fb7835d487d0614236063c966637e44681f6c1924ba4706c6d01a76fac8fe. 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 9 File information Comments

SHA256 hash: 719fb7835d487d0614236063c966637e44681f6c1924ba4706c6d01a76fac8fe
SHA3-384 hash: 9f6993b1ceedbcfc6d857980e4545f721a925773f521d4e58341660c67fa8bfa3901957748efa166e33fe039ce3f2292
SHA1 hash: 95941c66e3430501be1918d12d2fa072285356fc
MD5 hash: 437fc334a51434212d4aa9362cb7f992
humanhash: purple-massachusetts-november-pizza
File name:719fb7835d487d0614236063c966637e44681f6c1924b.exe
Download: download sample
Signature Stealc
File size:346'624 bytes
First seen:2023-09-15 13:25:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ed59ec9c2e7c8ef8d97dbc8b84b56759 (4 x Stealc, 4 x Smoke Loader, 3 x RedLineStealer)
ssdeep 6144:1QVXgqKC+Hiz1RDZMc12885lQfHLvUm0/:1WxKCmiTVMc1WmH
Threatray 151 similar samples on MalwareBazaar
TLSH T16574BF02B2A1A870D5364A309F29CAF7E63EB9604F65765723145F2F38B02E1DA72F51
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0008180601080000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://171.22.28.221/5c06c05b7b34e8e6.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
293
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
6ecd6380abc0e1062e57a2ebc9b5e101.exe
Verdict:
Malicious activity
Analysis date:
2023-09-15 12:52:39 UTC
Tags:
loader smoke gcleaner stealc stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin packed shell32
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, onlyLogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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 evasive API chain (may stop execution after checking locale)
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
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 steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected onlyLogger
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1308971 Sample: 719fb7835d487d0614236063c96... Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 11 other signatures 2->51 9 719fb7835d487d0614236063c966637e44681f6c1924b.exe 24 2->9         started        process3 dnsIp4 39 171.22.28.221, 49716, 49717, 80 CMCSUS Germany 9->39 41 5.42.64.2, 49713, 49715, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 9->41 43 3 other IPs or domains 9->43 33 C:\Users\user\AppData\...\4102929848.exe, PE32 9->33 dropped 35 C:\Users\user\AppData\...\timeSync[1].exe, PE32 9->35 dropped 37 C:\Users\user\AppData\...\timeSync[1].exe, PE32 9->37 dropped 61 Detected unpacking (changes PE section rights) 9->61 63 Detected unpacking (overwrites its own PE header) 9->63 14 cmd.exe 1 9->14         started        16 cmd.exe 1 9->16         started        file5 signatures6 process7 process8 18 4102929848.exe 2 34 14->18         started        21 conhost.exe 14->21         started        23 taskkill.exe 1 16->23         started        25 conhost.exe 16->25         started        signatures9 53 Multi AV Scanner detection for dropped file 18->53 55 Detected unpacking (changes PE section rights) 18->55 57 Detected unpacking (overwrites its own PE header) 18->57 59 6 other signatures 18->59 27 cmd.exe 1 18->27         started        process10 process11 29 conhost.exe 27->29         started        31 timeout.exe 1 27->31         started       
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-09-15 13:26:05 UTC
File Type:
PE (Exe)
Extracted files:
37
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://171.22.28.221
Unpacked files
SH256 hash:
b3eaf07268a9b6264f1b73ff0b6618e2753790d05f2d2a7815110aa7f5add660
MD5 hash:
d2ecb3c9dbea68fd6f16ea26e786cc6e
SHA1 hash:
c60d8650ec2adb3ede38f2b1672566d90e242338
SH256 hash:
719fb7835d487d0614236063c966637e44681f6c1924ba4706c6d01a76fac8fe
MD5 hash:
437fc334a51434212d4aa9362cb7f992
SHA1 hash:
95941c66e3430501be1918d12d2fa072285356fc
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
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_OnlyLogger
Author:ditekSHen
Description:Detects OnlyLogger loader variants
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:win_gcleaner_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.
Rule name:yara_template

File information


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

Web download

Stealc

Executable exe 719fb7835d487d0614236063c966637e44681f6c1924ba4706c6d01a76fac8fe

(this sample)

  
Delivery method
Distributed via web download

Comments