MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 407c7e945453f8b416b70eb3cab6e575833ea8082edf6f38b6f91325fa756a8f. 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


MarsStealer


Vendor detections: 17


Intelligence 17 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 407c7e945453f8b416b70eb3cab6e575833ea8082edf6f38b6f91325fa756a8f
SHA3-384 hash: 0fce5ca85332e334e20f429bf6b2d085fee0c6a2ceb97a1d711604f8806342648a1e2e0250a769d818a93f051b4697da
SHA1 hash: ead077227858fb9404d1857d25567849b9e77c92
MD5 hash: 13a7ce03877b76aeae5920065b34a7ec
humanhash: nitrogen-virginia-robin-beer
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:1'802'752 bytes
First seen:2024-09-08 09:24:43 UTC
Last seen:2024-09-08 12:03:10 UTC
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:NRB3UgNCnW0CZ3KcYveQEgRuIo6/iTDi/2nuVViWQtp:xU2Z3KcYjHRuTHiYehQ
TLSH T1C4853346A86E9171FF8B4C317CDF7A95CBBC0348A5A00B0CE95A27F5EB19645032FB49
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 MarsStealer


Avatar
Bitsight
url: http://31.41.244.11/steam/random.exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
416
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-08 09:27:42 UTC
Tags:
stealer stealc loader themida amadey botnet
Link:
https://app.any.run/tasks/e24493e6-6f30-49a8-8a3f-53bc857de59a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.6347.23452.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66dd6d704b4e27c595e03b15
Tags:
Execution Generic Infostealer Network Stealth Trojan
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:
anti-vm microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66dd6d6f4bde9bd727b8ac4f/reports/deef1a1b-9727-49f6-81c0-d6e938648c5a/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/407c7e945453f8b416b70eb3cab6e575833ea8082edf6f38b6f91325fa756a8f
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:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7b782c61-9690-4b6b-847d-0b0a7ffea512
Result
Threat name:
Amadey, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1507323
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
PE file contains section with special chars
Sigma detected: New RUN Key Pointing to Suspicious Folder
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 (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 Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1507323 Sample: file.exe Startdate: 08/09/2024 Architecture: WINDOWS Score: 100 53 Suricata IDS alerts for network traffic 2->53 55 Found malware configuration 2->55 57 Antivirus detection for URL or domain 2->57 59 12 other signatures 2->59 8 file.exe 36 2->8         started        13 svoutse.exe 1 21 2->13         started        15 svoutse.exe 2->15         started        17 2 other processes 2->17 process3 dnsIp4 47 185.215.113.103, 49730, 49743, 49748 WHOLESALECONNECTIONSNL Portugal 8->47 49 31.41.244.11, 49736, 49740, 49742 AEROEXPRESS-ASRU Russian Federation 8->49 37 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->37 dropped 39 C:\Users\user\AppData\Local\...\random[1].exe, PE32 8->39 dropped 41 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 8->41 dropped 43 11 other files (7 malicious) 8->43 dropped 83 Detected unpacking (changes PE section rights) 8->83 85 Tries to steal Mail credentials (via file / registry access) 8->85 87 Found many strings related to Crypto-Wallets (likely being stolen) 8->87 95 6 other signatures 8->95 19 cmd.exe 1 8->19         started        51 31.41.244.10, 49739, 49741, 49744 AEROEXPRESS-ASRU Russian Federation 13->51 89 Hides threads from debuggers 13->89 91 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->91 93 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->93 21 42232df128.exe 13 13->21         started        24 0175c85a82.exe 13 13->24         started        26 0a30ac0262.exe 13->26         started        file5 signatures6 process7 signatures8 28 CFBAKEHIEB.exe 4 19->28         started        32 conhost.exe 19->32         started        69 Detected unpacking (changes PE section rights) 21->69 71 Tries to detect sandboxes and other dynamic analysis tools (window names) 21->71 73 Tries to evade debugger and weak emulator (self modifying code) 21->73 75 Hides threads from debuggers 24->75 77 Tries to detect sandboxes / dynamic malware analysis system (registry check) 24->77 79 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 24->79 81 Binary is likely a compiled AutoIt script file 26->81 process9 file10 45 C:\Users\user\AppData\Local\...\svoutse.exe, PE32 28->45 dropped 97 Antivirus detection for dropped file 28->97 99 Detected unpacking (changes PE section rights) 28->99 101 Machine Learning detection for dropped file 28->101 103 5 other signatures 28->103 34 svoutse.exe 28->34         started        signatures11 process12 signatures13 61 Antivirus detection for dropped file 34->61 63 Detected unpacking (changes PE section rights) 34->63 65 Machine Learning detection for dropped file 34->65 67 4 other signatures 34->67
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/407c7e945453f8b416b70eb3cab6e575833ea8082edf6f38b6f91325fa756a8f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/407c7e945453f8b416b70eb3cab6e575833ea8082edf6f38b6f91325fa756a8f/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-09-08 09:25:05 UTC
File Type:
PE (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ib6h5fcukp4lifvxb2z4vnxfowbt5kaif3pw6ofw7ejsl6tvnkhq._file
Verdict:
unknown
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:rave discovery evasion spyware stealer
Link:
https://tria.ge/reports/240908-ldly2axgrj/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Reads user/profile data of web browsers
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Malware Config
C2 Extraction:
http://185.215.113.103
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/10726d31-de14-436a-afa0-78ffcdb4bc38
Unpacked files
SH256 hash:
8321d016b20d1043a2a069d62cd4280cd3c305ba0c474a73caf681edd4d50adf
MD5 hash:
e06d9ce6922a7eb558e2ea01fc8238e7
SHA1 hash:
e3fddbcaa52911292fceef62190be4481128e738
Detections:
stealc
Create hunting rule
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/02ebdc2f-e4df-4555-84f1-a6b108c6ef1c/
SH256 hash:
407c7e945453f8b416b70eb3cab6e575833ea8082edf6f38b6f91325fa756a8f
MD5 hash:
13a7ce03877b76aeae5920065b34a7ec
SHA1 hash:
ead077227858fb9404d1857d25567849b9e77c92
Link:
https://www.unpac.me/results/02ebdc2f-e4df-4555-84f1-a6b108c6ef1c/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/407c7e945453/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/407c7e945453f8b416b70eb3cab6e575833ea8082edf6f38b6f91325fa756a8f

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:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

MarsStealer

Executable exe 407c7e945453f8b416b70eb3cab6e575833ea8082edf6f38b6f91325fa756a8f

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3120900/
  
URLhaus
https://urlhaus.abuse.ch/url/3120904/

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

Comments