MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 397431a47e9c032a13cd78446c9139696531a963d9c7f65a3a4742e82cd0cc8a. 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: 397431a47e9c032a13cd78446c9139696531a963d9c7f65a3a4742e82cd0cc8a
SHA3-384 hash: 3360ebc816c96bef13c302702ef5fe6dbff3e86d4446ef68f14870e4dcc205d9dc0f3d1071ee6203cfbc1b6063b902d1
SHA1 hash: 4c31386be0a1fd047858e41e8bf235bce34170cd
MD5 hash: e3843c1c26d7e3ab4418288c607fde48
humanhash: beer-freddie-connecticut-july
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:1'718'272 bytes
First seen:2024-08-27 23:00:09 UTC
Last seen:2024-08-28 00:22:54 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 49152:69ue1auCy+e5IfUXt6FI7HHUm52Xg42EN:6zatUEUXt6FIbrs
TLSH T13A853374AC5AB8B2D449397B15C777936837A04ABB7B7DA423CF987C0E025BC6348C85
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 :
376
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-27 23:02:11 UTC
Tags:
stealer stealc loader themida amadey botnet
Link:
https://app.any.run/tasks/3349c8ab-ee0b-4c88-a563-cd374e2a6f85

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.14989.14523.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ce5ab0fe69a9e560499b62
Tags:
Execution 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:
microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66ce5ab1eb26ed7f73c53215/reports/361fa9a7-8bec-42d3-9b13-a4a3854f06fc/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/397431a47e9c032a13cd78446c9139696531a963d9c7f65a3a4742e82cd0cc8a
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/462df163-6b08-4fb8-bc55-ef66e398b9c2
Result
Threat name:
Amadey, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1500199
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 dropped 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 signatures2 2 Behavior Graph ID: 1500199 Sample: file.exe Startdate: 28/08/2024 Architecture: WINDOWS Score: 100 88 Suricata IDS alerts for network traffic 2->88 90 Found malware configuration 2->90 92 Antivirus detection for URL or domain 2->92 94 11 other signatures 2->94 8 file.exe 39 2->8         started        13 svoutse.exe 19 2->13         started        15 svoutse.exe 2->15         started        17 3 other processes 2->17 process3 dnsIp4 64 185.215.113.100, 49699, 49725, 80 WHOLESALECONNECTIONSNL Portugal 8->64 66 31.41.244.11, 49719, 49722, 49724 AEROEXPRESS-ASRU Russian Federation 8->66 56 C:\Users\user\AppData\RoamingFCAAEHJDBK.exe, PE32 8->56 dropped 58 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->58 dropped 60 C:\Users\user\AppData\Local\...\random[1].exe, PE32 8->60 dropped 62 12 other files (8 malicious) 8->62 dropped 120 Detected unpacking (changes PE section rights) 8->120 122 Tries to steal Mail credentials (via file / registry access) 8->122 124 Found many strings related to Crypto-Wallets (likely being stolen) 8->124 132 6 other signatures 8->132 19 cmd.exe 1 8->19         started        21 cmd.exe 1 8->21         started        68 31.41.244.10, 49721, 49723, 80 AEROEXPRESS-ASRU Russian Federation 13->68 126 Hides threads from debuggers 13->126 128 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->128 130 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->130 23 e0e4cf6184.exe 13 13->23         started        26 aa8b92e6c9.exe 13->26         started        70 192.168.2.7, 443, 49698, 49699 unknown unknown 17->70 72 239.255.255.250 unknown Reserved 17->72 28 msedge.exe 17->28         started        31 msedge.exe 17->31         started        33 msedge.exe 17->33         started        35 3 other processes 17->35 file5 signatures6 process7 dnsIp8 37 RoamingFCAAEHJDBK.exe 4 19->37         started        41 conhost.exe 19->41         started        43 userCFBFCGIDAK.exe 21->43         started        45 conhost.exe 21->45         started        110 Detected unpacking (changes PE section rights) 23->110 112 Tries to detect sandboxes and other dynamic analysis tools (window names) 23->112 114 Tries to evade debugger and weak emulator (self modifying code) 23->114 118 3 other signatures 23->118 116 Binary is likely a compiled AutoIt script file 26->116 47 msedge.exe 26->47         started        74 s-part-0045.t-0009.t-msedge.net 13.107.246.73 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 28->74 76 142.250.65.238 GOOGLEUS United States 28->76 78 7 other IPs or domains 28->78 signatures9 process10 file11 54 C:\Users\user\AppData\Local\...\svoutse.exe, PE32 37->54 dropped 96 Detected unpacking (changes PE section rights) 37->96 98 Tries to evade debugger and weak emulator (self modifying code) 37->98 100 Tries to detect virtualization through RDTSC time measurements 37->100 108 2 other signatures 37->108 49 svoutse.exe 37->49         started        102 Antivirus detection for dropped file 43->102 104 Machine Learning detection for dropped file 43->104 106 Hides threads from debuggers 43->106 52 msedge.exe 47->52         started        signatures12 process13 signatures14 80 Detected unpacking (changes PE section rights) 49->80 82 Tries to evade debugger and weak emulator (self modifying code) 49->82 84 Hides threads from debuggers 49->84 86 2 other signatures 49->86
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/397431a47e9c032a13cd78446c9139696531a963d9c7f65a3a4742e82cd0cc8a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/397431a47e9c032a13cd78446c9139696531a963d9c7f65a3a4742e82cd0cc8a/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-08-27 23:01:07 UTC
File Type:
PE (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hf2ddjd6tqbsue6npbcgzejznfstdkld3hd7mwr2i5boqlgqzsfa._file
Verdict:
unknown
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:leva discovery evasion stealer
Link:
https://tria.ge/reports/240827-2zh29swbmd/
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
Malware Config
C2 Extraction:
http://185.215.113.100
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/74f11b67-9495-4bdd-8413-33f684398eb8
Unpacked files
SH256 hash:
ab42e5830e8015853f324e436c854bbb66c804702a68c89add517d14f414956d
MD5 hash:
8e67369d1032efa3bfe4cadb613f9666
SHA1 hash:
278313ae7a7d2c6030303fa31f2eb9669d8b1a5e
Detections:
stealc
Create hunting rule
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/8a787907-a94a-485a-842c-b4fc3cf4feb2/
SH256 hash:
397431a47e9c032a13cd78446c9139696531a963d9c7f65a3a4742e82cd0cc8a
MD5 hash:
e3843c1c26d7e3ab4418288c607fde48
SHA1 hash:
4c31386be0a1fd047858e41e8bf235bce34170cd
Link:
https://www.unpac.me/results/8a787907-a94a-485a-842c-b4fc3cf4feb2/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/397431a47e9c/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/397431a47e9c032a13cd78446c9139696531a963d9c7f65a3a4742e82cd0cc8a

File information

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

Web download

MarsStealer

Executable exe 397431a47e9c032a13cd78446c9139696531a963d9c7f65a3a4742e82cd0cc8a

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3120910/
  
URLhaus
https://urlhaus.abuse.ch/url/3120904/
  
URLhaus
https://urlhaus.abuse.ch/url/3129259/
  
URLhaus
https://urlhaus.abuse.ch/url/3114824/
  
URLhaus
https://urlhaus.abuse.ch/url/3120900/

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