MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b61e6a903e387ec816cd46b72d7224caec4eac2c9837562b25e6df64a5b1c76e. 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: 16


Intelligence 16 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b61e6a903e387ec816cd46b72d7224caec4eac2c9837562b25e6df64a5b1c76e
SHA3-384 hash: d9d5ed20b526a51ad9423da5bce52e2edf4358540e4844f0619a0bbbf3ac5800143ece9a60ba600d6b0beea2c3303490
SHA1 hash: ca163d6116edab9f45704e91635bf350a6fcf349
MD5 hash: 2f8c72218bc8d19062c1bcfc28aac96c
humanhash: twelve-nine-virginia-sierra
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:2'079'232 bytes
First seen:2024-11-07 14:36:11 UTC
Last seen:2024-11-07 16:27:55 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:Kn2jsrWF4HvcJiDF5pFXvucHbccRlo7vbpq2i:q2jgWF+cJGrvucHbpG7sB
TLSH T18EA533A35CF7EC24DE165E3BD3232A2FFB755808199152F86A09EEBD74938D20506837
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://185.215.113.16/steam/random.exe

Intelligence

File Origin
# of uploads :
27
# of downloads :
413
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-11-07 14:40:01 UTC
Tags:
amadey botnet stealer lumma possible-phishing stealc themida loader
Link:
https://app.any.run/tasks/00c9c2d3-2a7b-4831-a908-613e60d3f96a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.BackdoorX-gen.7262.11343.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672cd09a8d23d9049134f82a
Tags:
backdoor exploit spam hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Creating a file
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:
microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/672cd0925e56a0da881e94ee/reports/3c21d907-6850-486a-8070-f17b0c75e441/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b61e6a903e387ec816cd46b72d7224caec4eac2c9837562b25e6df64a5b1c76e
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9c25854e-bf0a-429c-a3ce-bdb71f5d9f06
Result
Threat name:
LummaC, Amadey, LummaC Stealer, Stealc,
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1551270
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables Windows Defender Tamper protection
Drops PE files to the document folder of the user
Drops PE files to the user root directory
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies windows update settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
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 LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1551270 Sample: file.exe Startdate: 07/11/2024 Architecture: WINDOWS Score: 100 64 thumbystriw.store 2->64 66 presticitpo.store 2->66 68 4 other IPs or domains 2->68 84 Suricata IDS alerts for network traffic 2->84 86 Found malware configuration 2->86 88 Antivirus detection for URL or domain 2->88 90 16 other signatures 2->90 9 skotes.exe 3 22 2->9         started        14 file.exe 37 2->14         started        16 skotes.exe 2->16         started        18 4 other processes 2->18 signatures3 process4 dnsIp5 76 185.215.113.43, 49771, 49787, 80 WHOLESALECONNECTIONSNL Portugal 9->76 48 C:\Users\user\AppData\...\517e4034c2.exe, PE32 9->48 dropped 50 C:\Users\user\AppData\...\8bf7c9103d.exe, PE32 9->50 dropped 52 C:\Users\user\AppData\...\a3ad44714e.exe, PE32 9->52 dropped 60 3 other malicious files 9->60 dropped 122 Creates multiple autostart registry keys 9->122 124 Hides threads from debuggers 9->124 144 2 other signatures 9->144 20 a3ad44714e.exe 9->20         started        24 517e4034c2.exe 9->24         started        26 8bf7c9103d.exe 9->26         started        28 skotes.exe 9->28         started        78 185.215.113.16, 49757, 49793, 80 WHOLESALECONNECTIONSNL Portugal 14->78 80 185.215.113.206, 49730, 49746, 49758 WHOLESALECONNECTIONSNL Portugal 14->80 82 127.0.0.1 unknown unknown 14->82 54 C:\Users\user\DocumentsAKJDGDGDHD.exe, PE32 14->54 dropped 56 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->56 dropped 58 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->58 dropped 62 12 other files (8 malicious) 14->62 dropped 126 Detected unpacking (changes PE section rights) 14->126 128 Attempt to bypass Chrome Application-Bound Encryption 14->128 130 Drops PE files to the document folder of the user 14->130 146 8 other signatures 14->146 30 cmd.exe 1 14->30         started        32 chrome.exe 14->32         started        132 Antivirus detection for dropped file 16->132 134 Machine Learning detection for dropped file 16->134 136 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 16->136 138 Query firmware table information (likely to detect VMs) 18->138 140 Tries to harvest and steal ftp login credentials 18->140 142 Tries to harvest and steal browser information (history, passwords, etc) 18->142 file6 signatures7 process8 dnsIp9 70 founpiuer.store 104.21.5.155 CLOUDFLARENETUS United States 20->70 100 Antivirus detection for dropped file 20->100 102 Multi AV Scanner detection for dropped file 20->102 104 Detected unpacking (changes PE section rights) 20->104 118 5 other signatures 20->118 106 Machine Learning detection for dropped file 24->106 108 Modifies windows update settings 24->108 110 Disables Windows Defender Tamper protection 24->110 120 2 other signatures 24->120 112 Tries to evade debugger and weak emulator (self modifying code) 26->112 114 Hides threads from debuggers 26->114 116 Tries to detect sandboxes / dynamic malware analysis system (registry check) 26->116 34 DocumentsAKJDGDGDHD.exe 4 30->34         started        38 conhost.exe 30->38         started        72 239.255.255.250 unknown Reserved 32->72 40 chrome.exe 32->40         started        signatures10 process11 dnsIp12 46 C:\Users\user\AppData\Local\...\skotes.exe, PE32 34->46 dropped 92 Antivirus detection for dropped file 34->92 94 Detected unpacking (changes PE section rights) 34->94 96 Machine Learning detection for dropped file 34->96 98 6 other signatures 34->98 43 skotes.exe 34->43         started        74 www.google.com 142.250.186.100, 443, 49739, 49740 GOOGLEUS United States 40->74 file13 signatures14 process15 signatures16 148 Hides threads from debuggers 43->148 150 Tries to detect sandboxes / dynamic malware analysis system (registry check) 43->150 152 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 43->152
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b61e6a903e387ec816cd46b72d7224caec4eac2c9837562b25e6df64a5b1c76e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b61e6a903e387ec816cd46b72d7224caec4eac2c9837562b25e6df64a5b1c76e/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-11-07 14:37:13 UTC
File Type:
PE (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wypgveb6hb7mqfwni23s24rezlwe5lbmta3vmkzf43pwjjnry5xa._file
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:tale discovery evasion stealer
Link:
https://tria.ge/reports/241107-ry5vjatgra/
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/06153d62-680e-4ad3-90b7-abb9621507aa
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
Link:
https://www.unpac.me/results/82df7c32-944f-4848-a638-d918600fa85d/
SH256 hash:
3fe7a8d3180458b2d738ecfe239fe904b8651347359bff559c8b8ea3c8253736
MD5 hash:
c8bd162bbc4f35a01dfaf436a322137e
SHA1 hash:
1e49368f1e02ad5ee291b6d2721b0e76b8b274bd
Detections:
stealc
Create hunting rule
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
detect_Mars_Stealer
Create hunting rule
Link:
https://www.unpac.me/results/82df7c32-944f-4848-a638-d918600fa85d/
SH256 hash:
b61e6a903e387ec816cd46b72d7224caec4eac2c9837562b25e6df64a5b1c76e
MD5 hash:
2f8c72218bc8d19062c1bcfc28aac96c
SHA1 hash:
ca163d6116edab9f45704e91635bf350a6fcf349
Link:
https://www.unpac.me/results/82df7c32-944f-4848-a638-d918600fa85d/
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/b61e6a903e387ec816cd46b72d7224caec4eac2c9837562b25e6df64a5b1c76e

File information

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

Web download

MarsStealer

Executable exe b61e6a903e387ec816cd46b72d7224caec4eac2c9837562b25e6df64a5b1c76e

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3079150/
  
URLhaus
https://urlhaus.abuse.ch/url/3279845/

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