MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e49446987770fa75ed8286847f4679afe73c4ce10e11026e68ca447be42435a. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8e49446987770fa75ed8286847f4679afe73c4ce10e11026e68ca447be42435a
SHA3-384 hash: 0d46b7ef100ca2164e271f2ec1025c4ca959e03bbcdf6cc7fe0ecaf648765f504a792147a7b7aba4a4475fc25b9095c4
SHA1 hash: ca6ce72589fc868ecfc631db3bfb804f0ee0481c
MD5 hash: c92d494abcd57885ebd5068b8c47c90a
humanhash: potato-mexico-equal-juliet
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:2'150'400 bytes
First seen:2024-11-08 18:32:40 UTC
Last seen:2024-11-08 20:24:27 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:jm52TLAyRtA0pOD6ZslfNks5iwqTYPYKqLEbPuKw1WVDk:jm52IyrAFD6ZsAokLEDuKw1WVDk
TLSH T1DFA5330A3F59266FCD3A2C329CA49FB87B126DEDC999FB994148707232C07D47AD6C50
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 :
31
# of downloads :
433
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-08 18:32:57 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/b85a3115-522e-4701-bcca-0b94e14b9a68

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.BackdoorX-gen.26086.3523.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672e5998a5bee3c9d42be8df
Tags:
vmdetect autorun spam lien
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:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8e49446987770fa75ed8286847f4679afe73c4ce10e11026e68ca447be42435a
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1bdc36e4-c1c1-4aac-a511-f51e99c96949
Result
Threat name:
LummaC, Amadey, LummaC Stealer, Stealc,
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1552446
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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
Injects a PE file into a foreign processes
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies windows update settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Potentially malicious time measurement code found
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 resolve many domain names, but no domain seems valid
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Yara detected Amadeys stealer DLL
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1552446 Sample: file.exe Startdate: 08/11/2024 Architecture: WINDOWS Score: 100 86 husktools.duckdns.org 2->86 88 worddosofrm.shop 2->88 90 17 other IPs or domains 2->90 120 Suricata IDS alerts for network traffic 2->120 122 Found malware configuration 2->122 124 Malicious sample detected (through community Yara rule) 2->124 128 21 other signatures 2->128 9 skotes.exe 3 28 2->9         started        14 file.exe 37 2->14         started        16 30b80be49e.exe 2->16         started        18 4 other processes 2->18 signatures3 126 Uses dynamic DNS services 86->126 process4 dnsIp5 104 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 9->104 106 husktools.duckdns.org 31.13.224.189 SARNICA-ASBG Bulgaria 9->106 108 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 9->108 70 C:\Users\user\AppData\...\4fc071bd85.exe, PE32 9->70 dropped 72 C:\Users\user\AppData\...\2b79b65d74.exe, PE32 9->72 dropped 74 C:\Users\user\AppData\...\30b80be49e.exe, PE32 9->74 dropped 82 6 other malicious files 9->82 dropped 188 Creates multiple autostart registry keys 9->188 190 Hides threads from debuggers 9->190 192 Tries to detect sandboxes / dynamic malware analysis system (registry check) 9->192 20 joined.exe 9->20         started        24 30b80be49e.exe 9->24         started        26 4fc071bd85.exe 9->26         started        33 3 other processes 9->33 110 185.215.113.206, 49730, 49760, 80 WHOLESALECONNECTIONSNL Portugal 14->110 112 185.215.113.16, 49763, 80 WHOLESALECONNECTIONSNL Portugal 14->112 114 127.0.0.1 unknown unknown 14->114 76 C:\Users\user\DocumentsEGCBAFCFIJ.exe, PE32 14->76 dropped 78 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->78 dropped 80 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->80 dropped 84 12 other files (8 malicious) 14->84 dropped 194 Detected unpacking (changes PE section rights) 14->194 196 Attempt to bypass Chrome Application-Bound Encryption 14->196 198 Drops PE files to the document folder of the user 14->198 210 6 other signatures 14->210 28 cmd.exe 1 14->28         started        30 chrome.exe 14->30         started        200 Query firmware table information (likely to detect VMs) 16->200 202 Tries to harvest and steal ftp login credentials 16->202 204 Tries to harvest and steal browser information (history, passwords, etc) 16->204 206 Tries to steal Crypto Currency Wallets 18->206 208 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 18->208 file6 signatures7 process8 dnsIp9 64 C:\Users\user\AppData\...\tELD4e4f58.exe, PE32 20->64 dropped 66 C:\Users\user\AppData\...\eJ2mwP8VTS.exe, PE32 20->66 dropped 150 Multi AV Scanner detection for dropped file 20->150 152 Machine Learning detection for dropped file 20->152 35 eJ2mwP8VTS.exe 20->35         started        38 tELD4e4f58.exe 20->38         started        154 Antivirus detection for dropped file 24->154 156 Detected unpacking (changes PE section rights) 24->156 158 Query firmware table information (likely to detect VMs) 24->158 172 4 other signatures 24->172 160 Tries to detect sandboxes and other dynamic analysis tools (window names) 26->160 162 Modifies windows update settings 26->162 164 Disables Windows Defender Tamper protection 26->164 174 2 other signatures 26->174 41 DocumentsEGCBAFCFIJ.exe 4 28->41         started        44 conhost.exe 28->44         started        116 192.168.2.4, 443, 49723, 49730 unknown unknown 30->116 118 239.255.255.250 unknown Reserved 30->118 46 chrome.exe 30->46         started        166 Tries to evade debugger and weak emulator (self modifying code) 33->166 168 Hides threads from debuggers 33->168 170 Injects a PE file into a foreign processes 33->170 48 crypted.exe 33->48         started        50 conhost.exe 33->50         started        52 WerFault.exe 33->52         started        file10 signatures11 process12 dnsIp13 130 Multi AV Scanner detection for dropped file 35->130 132 Injects a PE file into a foreign processes 35->132 134 LummaC encrypted strings found 35->134 54 eJ2mwP8VTS.exe 35->54         started        58 conhost.exe 35->58         started        60 WerFault.exe 35->60         started        92 87.120.117.209 UNACS-AS-BG8000BurgasBG Bulgaria 38->92 136 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 38->136 68 C:\Users\user\AppData\Local\...\skotes.exe, PE32 41->68 dropped 138 Detected unpacking (changes PE section rights) 41->138 140 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 41->140 142 Tries to evade debugger and weak emulator (self modifying code) 41->142 148 5 other signatures 41->148 62 skotes.exe 41->62         started        94 play.google.com 142.250.185.110, 443, 49749, 49757 GOOGLEUS United States 46->94 96 www.google.com 142.250.186.132, 443, 49732, 49735 GOOGLEUS United States 46->96 100 2 other IPs or domains 46->100 98 navygenerayk.store 188.114.96.3 CLOUDFLARENETUS European Union 48->98 144 Query firmware table information (likely to detect VMs) 48->144 146 Tries to steal Crypto Currency Wallets 48->146 file14 signatures15 process16 dnsIp17 102 steamcommunity.com 23.192.247.89 AKAMAI-ASUS United States 54->102 176 Query firmware table information (likely to detect VMs) 54->176 178 Tries to steal Crypto Currency Wallets 54->178 180 Detected unpacking (changes PE section rights) 62->180 182 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 62->182 184 Tries to evade debugger and weak emulator (self modifying code) 62->184 186 3 other signatures 62->186 signatures18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8e49446987770fa75ed8286847f4679afe73c4ce10e11026e68ca447be42435a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8e49446987770fa75ed8286847f4679afe73c4ce10e11026e68ca447be42435a/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-11-08 18:33:13 UTC
File Type:
PE (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rzeui2mho4h2oxwyfbuep5dhtl7hhrgocdqrajxgrsseppscinna._file
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:tale credential_access discovery evasion spyware stealer
Link:
https://tria.ge/reports/241108-w697fawnhz/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
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
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
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/05c9f4cb-f3ff-4da1-b99a-a5d27cc659d3
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
Link:
https://www.unpac.me/results/4f7c5bda-7fe5-4f8c-8c56-ae7e82931e8c/
SH256 hash:
c7d48caa747a7fa9aa55a62d08f0c10d3426772bd0018f8c3dc9d9c49ff6359a
MD5 hash:
7d701cb8b62e22c043a2bcc3232ae454
SHA1 hash:
a8b21be197d2d189fb9afd597b10b072b791eb94
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/4f7c5bda-7fe5-4f8c-8c56-ae7e82931e8c/
SH256 hash:
8e49446987770fa75ed8286847f4679afe73c4ce10e11026e68ca447be42435a
MD5 hash:
c92d494abcd57885ebd5068b8c47c90a
SHA1 hash:
ca6ce72589fc868ecfc631db3bfb804f0ee0481c
Link:
https://www.unpac.me/results/4f7c5bda-7fe5-4f8c-8c56-ae7e82931e8c/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8e4944698777/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/8e49446987770fa75ed8286847f4679afe73c4ce10e11026e68ca447be42435a

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 8e49446987770fa75ed8286847f4679afe73c4ce10e11026e68ca447be42435a

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3279845/
  
URLhaus
https://urlhaus.abuse.ch/url/3273391/

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