MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71d477ad71d6bc262e17cc443a294c5557e696787dcf7a01c7f55d598f929f76. 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: 71d477ad71d6bc262e17cc443a294c5557e696787dcf7a01c7f55d598f929f76
SHA3-384 hash: 3c5243f8818c834fa2f0bed7c8ada393297e7a7fe13e79876d2c48cec9b28a4b9b531c478c458f536d6caf1cb441abea
SHA1 hash: 85945bade7fa8d5c2188057e9d27f4bf0324dacf
MD5 hash: 108abf9fa612ba1a63e7c93a5809018f
humanhash: fanta-robin-music-seven
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:2'105'344 bytes
First seen:2024-11-07 01:03:16 UTC
Last seen:2024-11-07 02:19:25 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:aRtKI18Ba6MO1MbYybX2Tz9Vh5bW3mV4V4IhpLE:aRtVxO8Yy6TzzC44V4opg
TLSH T1DFA533D55E52733DE8C1A7B7A92B56A2A3308707CAB5515A6B407F31C2CFAA01F0C85F
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 :
28
# of downloads :
424
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-07 00:59:17 UTC
Tags:
amadey botnet stealer lumma possible-phishing loader stealc themida
Link:
https://app.any.run/tasks/fbca68f0-2e4a-4e31-8dcf-9276692a4b26

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.BackdoorX-gen.6748.14744.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672c120c8d23d90491349142
Tags:
backdoor
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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/672c1206182e63505d61ba89/reports/b7e4e4bd-e6ea-4130-9581-2ee4a85390a0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/71d477ad71d6bc262e17cc443a294c5557e696787dcf7a01c7f55d598f929f76
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/e774aa1a-5af9-400c-8378-590e0f29ac5a
Result
Threat name:
Amadey, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1550669
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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
Machine Learning detection for sample
Monitors registry run keys for changes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sample uses string decryption to hide its real strings
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: 1550669 Sample: file.exe Startdate: 07/11/2024 Architecture: WINDOWS Score: 100 60 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 2->60 84 Suricata IDS alerts for network traffic 2->84 86 Found malware configuration 2->86 88 Antivirus / Scanner detection for submitted sample 2->88 90 11 other signatures 2->90 9 file.exe 38 2->9         started        14 skotes.exe 2->14         started        16 skotes.exe 2->16         started        18 msedge.exe 633 2->18         started        signatures3 process4 dnsIp5 62 185.215.113.16 WHOLESALECONNECTIONSNL Portugal 9->62 64 185.215.113.206, 49704, 49735, 49897 WHOLESALECONNECTIONSNL Portugal 9->64 66 127.0.0.1 unknown unknown 9->66 52 C:\Users\user\DocumentsCGDHIEGCFH.exe, PE32 9->52 dropped 54 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->54 dropped 56 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->56 dropped 58 12 other files (1 malicious) 9->58 dropped 102 Detected unpacking (changes PE section rights) 9->102 104 Attempt to bypass Chrome Application-Bound Encryption 9->104 106 Drops PE files to the document folder of the user 9->106 114 9 other signatures 9->114 20 cmd.exe 9->20         started        22 msedge.exe 2 10 9->22         started        25 chrome.exe 8 9->25         started        108 Hides threads from debuggers 14->108 110 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->110 112 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->112 28 msedge.exe 18->28         started        30 msedge.exe 18->30         started        32 msedge.exe 18->32         started        34 msedge.exe 18->34         started        file6 signatures7 process8 dnsIp9 36 DocumentsCGDHIEGCFH.exe 20->36         started        40 conhost.exe 20->40         started        100 Monitors registry run keys for changes 22->100 42 msedge.exe 22->42         started        68 192.168.2.5, 443, 49703, 49704 unknown unknown 25->68 70 239.255.255.250 unknown Reserved 25->70 44 chrome.exe 25->44         started        72 23.218.232.139 RAYA-ASEG United States 28->72 74 23.218.232.186 RAYA-ASEG United States 28->74 76 27 other IPs or domains 28->76 signatures10 process11 dnsIp12 50 C:\Users\user\AppData\Local\...\skotes.exe, PE32 36->50 dropped 92 Multi AV Scanner detection for dropped file 36->92 94 Detected unpacking (changes PE section rights) 36->94 96 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 36->96 98 5 other signatures 36->98 47 skotes.exe 36->47         started        78 play.google.com 142.250.185.78, 443, 49734 GOOGLEUS United States 44->78 80 www.google.com 142.250.186.132, 443, 49710, 49711 GOOGLEUS United States 44->80 82 2 other IPs or domains 44->82 file13 signatures14 process15 signatures16 116 Multi AV Scanner detection for dropped file 47->116 118 Detected unpacking (changes PE section rights) 47->118 120 Tries to detect sandboxes and other dynamic analysis tools (window names) 47->120 122 5 other signatures 47->122
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/71d477ad71d6bc262e17cc443a294c5557e696787dcf7a01c7f55d598f929f76
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/71d477ad71d6bc262e17cc443a294c5557e696787dcf7a01c7f55d598f929f76/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-11-07 01:04:14 UTC
File Type:
PE (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ohkhpllr226cmlqxzrcdukkmkvl6nftypxhxuaoh6vovtd4st53a._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-beydcasdll/
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/fb093fd7-fc52-4ed1-a534-afb1eaff5119
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
Link:
https://www.unpac.me/results/67dfaa7d-02b1-4531-95f7-2994f173593d/
SH256 hash:
8fa8283254752ff3e350ea3b2816c8145934af7aafe74b3075d564cbc89f5d71
MD5 hash:
bdf5c5d2c44f86d4d889729d544eb7b3
SHA1 hash:
322cb00f0daa0870fb6dec1508507795d564fbc3
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/67dfaa7d-02b1-4531-95f7-2994f173593d/
SH256 hash:
71d477ad71d6bc262e17cc443a294c5557e696787dcf7a01c7f55d598f929f76
MD5 hash:
108abf9fa612ba1a63e7c93a5809018f
SHA1 hash:
85945bade7fa8d5c2188057e9d27f4bf0324dacf
Link:
https://www.unpac.me/results/67dfaa7d-02b1-4531-95f7-2994f173593d/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/71d477ad71d6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Web download

MarsStealer

Executable exe 71d477ad71d6bc262e17cc443a294c5557e696787dcf7a01c7f55d598f929f76

(this sample)

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