MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc66777663130197283284413e13e0972ed870993c3d4e23483eacefe3b21f82. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc66777663130197283284413e13e0972ed870993c3d4e23483eacefe3b21f82
SHA3-384 hash: ea916bcb5d259dad9f0984299042b4d4b29f1baa7b877ee257e7fb7049d5b629c3b36d7a80635d08676d93fdebe4ec64
SHA1 hash: a0cc2b720f1632f16d3a0e9131613fd81f24ecd6
MD5 hash: f05b36fc1015fd4c766dcbd8c90804c8
humanhash: eleven-maryland-kitten-wolfram
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:2'137'600 bytes
First seen:2024-11-09 15:20:57 UTC
Last seen:2024-11-09 15:22:43 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:TAM0u9hScgIpIv7dMN5fB6ktasL249LToj7fQnfloPHShIY+nV8:EM0lXI0dcVkk8sL2494nQnf+HSCY+V8
TLSH T1EAA5339B6742A36FC56A1D3529A80E3674302773C6DB83BA37638493B697F80BD20495
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 :
2
# of downloads :
3'331
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-09 15:24:16 UTC
Tags:
stealer stealc qrcode
Link:
https://app.any.run/tasks/7497c1d4-1809-4374-95a2-f53e13bcd545

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.BackdoorX-gen.24807.824.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672f7e001621f8e41b8efe02
Tags:
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/672f7de070ec18f1ce4046ad/reports/453afc8d-cf2f-4519-a006-13ea52222e17/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/bc66777663130197283284413e13e0972ed870993c3d4e23483eacefe3b21f82
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/bd497332-427d-40dc-82e0-2ff98dfe22c9
Result
Threat name:
LummaC, Amadey, Cryptbot, LummaC Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1552831
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 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
PE file contains section with special chars
Potentially malicious time measurement code found
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 Cryptbot
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: 1552831 Sample: file.exe Startdate: 09/11/2024 Architecture: WINDOWS Score: 100 75 thumbystriw.store 2->75 77 presticitpo.store 2->77 79 5 other IPs or domains 2->79 111 Suricata IDS alerts for network traffic 2->111 113 Found malware configuration 2->113 115 Antivirus detection for URL or domain 2->115 117 17 other signatures 2->117 12 file.exe 37 2->12         started        17 d46c8ac5ca.exe 2->17         started        19 d46c8ac5ca.exe 2->19         started        21 6 other processes 2->21 signatures3 process4 dnsIp5 99 185.215.113.206, 49730, 49759, 80 WHOLESALECONNECTIONSNL Portugal 12->99 101 185.215.113.16, 49765, 80 WHOLESALECONNECTIONSNL Portugal 12->101 103 127.0.0.1 unknown unknown 12->103 67 C:\Users\user\DocumentsCAEHDBAAEC.exe, PE32 12->67 dropped 69 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->69 dropped 71 C:\Users\user\AppData\Local\...\random[1].exe, PE32 12->71 dropped 73 12 other files (8 malicious) 12->73 dropped 159 Detected unpacking (changes PE section rights) 12->159 161 Attempt to bypass Chrome Application-Bound Encryption 12->161 163 Drops PE files to the document folder of the user 12->163 179 6 other signatures 12->179 23 cmd.exe 1 12->23         started        25 chrome.exe 12->25         started        165 Query firmware table information (likely to detect VMs) 17->165 167 Tries to harvest and steal ftp login credentials 17->167 169 Tries to harvest and steal browser information (history, passwords, etc) 17->169 171 Tries to steal Crypto Currency Wallets 19->171 173 Hides threads from debuggers 19->173 175 Tries to detect sandboxes / dynamic malware analysis system (registry check) 19->175 177 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 21->177 file6 signatures7 process8 dnsIp9 28 DocumentsCAEHDBAAEC.exe 4 23->28         started        32 conhost.exe 23->32         started        95 192.168.2.4, 443, 49723, 49730 unknown unknown 25->95 97 239.255.255.250 unknown Reserved 25->97 34 chrome.exe 25->34         started        process10 dnsIp11 65 C:\Users\user\AppData\Local\...\skotes.exe, PE32 28->65 dropped 151 Antivirus detection for dropped file 28->151 153 Detected unpacking (changes PE section rights) 28->153 155 Machine Learning detection for dropped file 28->155 157 6 other signatures 28->157 37 skotes.exe 3 26 28->37         started        81 www.google.com 142.250.185.100, 443, 49736, 49737 GOOGLEUS United States 34->81 83 plus.l.google.com 142.250.185.238, 443, 49747 GOOGLEUS United States 34->83 85 2 other IPs or domains 34->85 file12 signatures13 process14 dnsIp15 87 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 37->87 89 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 37->89 57 C:\Users\user\AppData\...\483b142fb9.exe, PE32 37->57 dropped 59 C:\Users\user\AppData\...\0353cb35ab.exe, PE32 37->59 dropped 61 C:\Users\user\AppData\...\d46c8ac5ca.exe, PE32 37->61 dropped 63 5 other malicious files 37->63 dropped 119 Antivirus detection for dropped file 37->119 121 Detected unpacking (changes PE section rights) 37->121 123 Machine Learning detection for dropped file 37->123 125 5 other signatures 37->125 42 483b142fb9.exe 37->42         started        45 d46c8ac5ca.exe 37->45         started        48 0353cb35ab.exe 37->48         started        50 2 other processes 37->50 file16 signatures17 process18 dnsIp19 127 Multi AV Scanner detection for dropped file 42->127 129 Detected unpacking (changes PE section rights) 42->129 131 Tries to detect sandboxes and other dynamic analysis tools (window names) 42->131 147 4 other signatures 42->147 105 navygenerayk.store 188.114.96.3 CLOUDFLARENETUS European Union 45->105 133 Antivirus detection for dropped file 45->133 135 Query firmware table information (likely to detect VMs) 45->135 137 Machine Learning detection for dropped file 45->137 149 2 other signatures 45->149 139 Tries to evade debugger and weak emulator (self modifying code) 48->139 141 Hides threads from debuggers 48->141 143 Tries to detect sandboxes / dynamic malware analysis system (registry check) 48->143 107 home.fvteja5sb.top 50->107 109 fvteja5sb.top 193.43.91.119 VMAGE-ASRU unknown 50->109 145 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 50->145 52 chrome.exe 50->52         started        signatures20 process21 process22 54 chrome.exe 52->54         started        dnsIp23 91 142.250.186.164 GOOGLEUS United States 54->91 93 www.google.com 54->93
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bc66777663130197283284413e13e0972ed870993c3d4e23483eacefe3b21f82
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc66777663130197283284413e13e0972ed870993c3d4e23483eacefe3b21f82/
Threat name:
Win32.Trojan.Stealerc
Create hunting rule
Status:
Malicious
First seen:
2024-11-09 15:21:13 UTC
File Type:
PE (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xrtho5tdcmazokbsqrat4e7as4xnq4ezhq6u4i2ih2wo7y5sd6ba._file
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:tale discovery evasion stealer
Link:
https://tria.ge/reports/241109-srbhsawkg1/
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/1013e32b-b85f-4b27-8d21-2e112ebd02b8
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
Link:
https://www.unpac.me/results/8330b5b5-3e22-49d3-92e0-5e9ccb5bd128/
SH256 hash:
6d8a42725ef172adb7a79bf7522b505ea9af102a9a6109a304de35a4d9453992
MD5 hash:
77e9b93677208975819207ab34cbde0e
SHA1 hash:
d16f475033176ae8972d16389abe0882f03f58d5
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/8330b5b5-3e22-49d3-92e0-5e9ccb5bd128/
SH256 hash:
bc66777663130197283284413e13e0972ed870993c3d4e23483eacefe3b21f82
MD5 hash:
f05b36fc1015fd4c766dcbd8c90804c8
SHA1 hash:
a0cc2b720f1632f16d3a0e9131613fd81f24ecd6
Link:
https://www.unpac.me/results/8330b5b5-3e22-49d3-92e0-5e9ccb5bd128/
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/bc66777663130197283284413e13e0972ed870993c3d4e23483eacefe3b21f82

File information

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

Web download

MarsStealer

Executable exe bc66777663130197283284413e13e0972ed870993c3d4e23483eacefe3b21f82

(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

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