MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4742bb6c8ce1f057a84e6fd8a53234b858c6242e4b707f868897c33a48d29307. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4742bb6c8ce1f057a84e6fd8a53234b858c6242e4b707f868897c33a48d29307
SHA3-384 hash: c7e0c8b43146772afe430ba5d81dfac6f48b8519c2a54fb76b0c6a2623225604ae6cd63ecba3af5485917126bb8cf294
SHA1 hash: 11c8f1539408efc4d842a5a8fe983a48a3cf3797
MD5 hash: a8c50d90885cd6ee4210bcdebfc583e9
humanhash: blue-florida-green-uranus
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:1'769'984 bytes
First seen:2024-08-25 05:42:26 UTC
Last seen:2024-08-25 07:08:06 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:XZp3Fauf0LN1vLfonVnqR2ltC62jbrzdvZnHIepLV6isA7:XZ+y0fLgE2lQ6ebrzdvZnHI0N
TLSH T1EE8533CE5E760836CC7845336233A3DF79242B65073E50A9B57D1E25E9EB0077C89CAA
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 :
9
# of downloads :
352
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-25 05:44:36 UTC
Tags:
stealer stealc loader themida amadey botnet
Link:
https://app.any.run/tasks/8a235edc-1be7-4374-ade9-a3023e260fa6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.25484.24013.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66cac468e7ff3f5a063be759
Tags:
Execution Generic Infostealer Network Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
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
Link:
https://www.filescan.io/uploads/66cac4676575775f048a1612/reports/eefb54b6-df64-4079-ba31-7cb76f8a3a35/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/4742bb6c8ce1f057a84e6fd8a53234b858c6242e4b707f868897c33a48d29307
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/eaea7155-8014-433b-8f5e-38108def8d8d
Result
Threat name:
Amadey, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1498597
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sigma detected: Suspicious File Creation In Uncommon AppData 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 dnsIp2 2 Behavior Graph ID: 1498597 Sample: file.exe Startdate: 25/08/2024 Architecture: WINDOWS Score: 100 82 services.addons.mozilla.org 2->82 84 prod.remote-settings.prod.webservices.mozgcp.net 2->84 86 11 other IPs or domains 2->86 110 Multi AV Scanner detection for domain / URL 2->110 112 Suricata IDS alerts for network traffic 2->112 114 Found malware configuration 2->114 116 13 other signatures 2->116 9 file.exe 39 2->9         started        14 svoutse.exe 19 2->14         started        16 msedge.exe 2->16         started        18 firefox.exe 2->18         started        signatures3 process4 dnsIp5 88 185.215.113.100, 49704, 49720, 80 WHOLESALECONNECTIONSNL Portugal 9->88 90 31.41.244.11, 49712, 49715, 49717 AEROEXPRESS-ASRU Russian Federation 9->90 66 C:\Users\user\AppData\RoamingFHCBGIIJKE.exe, PE32 9->66 dropped 68 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->68 dropped 70 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->70 dropped 74 12 other files (8 malicious) 9->74 dropped 142 Detected unpacking (changes PE section rights) 9->142 144 Tries to steal Mail credentials (via file / registry access) 9->144 146 Found many strings related to Crypto-Wallets (likely being stolen) 9->146 154 6 other signatures 9->154 20 cmd.exe 1 9->20         started        22 cmd.exe 1 9->22         started        92 31.41.244.10, 49714, 49716, 49718 AEROEXPRESS-ASRU Russian Federation 14->92 148 Hides threads from debuggers 14->148 150 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->150 152 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->152 24 0b724b64be.exe 13 14->24         started        27 ca8852b041.exe 1 14->27         started        94 192.168.2.5, 443, 49703, 49704 unknown unknown 16->94 96 239.255.255.250 unknown Reserved 16->96 72 C:\Users\user\AppData\Local\...\History, SQLite 16->72 dropped 29 msedge.exe 16->29         started        33 msedge.exe 16->33         started        35 msedge.exe 16->35         started        39 3 other processes 16->39 37 firefox.exe 18->37         started        file6 signatures7 process8 dnsIp9 41 RoamingFHCBGIIJKE.exe 4 20->41         started        45 conhost.exe 20->45         started        47 userBAEHIEBGHD.exe 22->47         started        49 conhost.exe 22->49         started        118 Detected unpacking (changes PE section rights) 24->118 120 Tries to detect sandboxes and other dynamic analysis tools (window names) 24->120 122 Tries to evade debugger and weak emulator (self modifying code) 24->122 126 3 other signatures 24->126 124 Binary is likely a compiled AutoIt script file 27->124 51 msedge.exe 27->51         started        53 firefox.exe 27->53         started        98 13.107.246.40 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->98 100 s-part-0039.t-0009.t-msedge.net 13.107.246.67 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->100 106 15 other IPs or domains 29->106 76 C:\Users\user\AppData\Local\...\Cookies, SQLite 29->76 dropped 102 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82 GOOGLEUS United States 37->102 104 prod.classify-client.prod.webservices.mozgcp.net 35.190.72.216 GOOGLEUS United States 37->104 108 4 other IPs or domains 37->108 78 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 37->78 dropped 80 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 37->80 dropped 55 firefox.exe 37->55         started        57 firefox.exe 37->57         started        file10 signatures11 process12 file13 64 C:\Users\user\AppData\Local\...\svoutse.exe, PE32 41->64 dropped 128 Detected unpacking (changes PE section rights) 41->128 130 Tries to evade debugger and weak emulator (self modifying code) 41->130 132 Tries to detect virtualization through RDTSC time measurements 41->132 140 2 other signatures 41->140 59 svoutse.exe 41->59         started        134 Antivirus detection for dropped file 47->134 136 Machine Learning detection for dropped file 47->136 138 Hides threads from debuggers 47->138 62 msedge.exe 51->62         started        signatures14 process15 signatures16 156 Detected unpacking (changes PE section rights) 59->156 158 Tries to evade debugger and weak emulator (self modifying code) 59->158 160 Hides threads from debuggers 59->160 162 2 other signatures 59->162
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4742bb6c8ce1f057a84e6fd8a53234b858c6242e4b707f868897c33a48d29307
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4742bb6c8ce1f057a84e6fd8a53234b858c6242e4b707f868897c33a48d29307/
Threat name:
Win32.Trojan.Stealerc
Create hunting rule
Status:
Malicious
First seen:
2024-08-25 05:43:06 UTC
File Type:
PE (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i5blw3em4hyfpkcon7mkkmruxbmmmjbojnyh7buis7btusgssmdq._file
Verdict:
unknown
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:c7817d botnet:leva credential_access discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/240825-gekp5sxfmb/
Behaviour
Checks processor information in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Executes dropped EXE
Identifies Wine through registry keys
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
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Stealc
Malware Config
C2 Extraction:
http://185.215.113.100
http://31.41.244.10
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d70e73e0-cb5f-40d7-8646-edecfe3c9379
Unpacked files
SH256 hash:
8ffcfbc926eb3cb44cbb974d071a8e107a630d2014f275a67ee16fd9a988f825
MD5 hash:
9eabdd29cac8c4188b8c7ae015633181
SHA1 hash:
dd72af7b373a555c4e33b4829236b2e938a9314c
Detections:
stealc
Create hunting rule
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/d2d39f34-6b9e-4807-85eb-16942633eb00/
SH256 hash:
4742bb6c8ce1f057a84e6fd8a53234b858c6242e4b707f868897c33a48d29307
MD5 hash:
a8c50d90885cd6ee4210bcdebfc583e9
SHA1 hash:
11c8f1539408efc4d842a5a8fe983a48a3cf3797
Link:
https://www.unpac.me/results/d2d39f34-6b9e-4807-85eb-16942633eb00/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4742bb6c8ce1/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/4742bb6c8ce1f057a84e6fd8a53234b858c6242e4b707f868897c33a48d29307

File information

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

Web download

MarsStealer

Executable exe 4742bb6c8ce1f057a84e6fd8a53234b858c6242e4b707f868897c33a48d29307

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3120904/
  
URLhaus
https://urlhaus.abuse.ch/url/3120900/
  
URLhaus
https://urlhaus.abuse.ch/url/3114824/

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