MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a443c0ac67ec4aff6acb6319cfc04d68bf0f861ac0424dec70a6bb8a27975cb. 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

SHA256 hash: 6a443c0ac67ec4aff6acb6319cfc04d68bf0f861ac0424dec70a6bb8a27975cb
SHA3-384 hash: 2b3e61fcae48b93c6492a99ce00a76f18b8547f5a8cb33a74d57e2550a7a74134e0a2b6eb7f4299fd2105628b4efbb65
SHA1 hash: 440c44260ad8564a776ec1292adc4577906009fe
MD5 hash: f058a72e4dbe19f8b8ffb8785c2820d2
humanhash: snake-kansas-pizza-lithium
File name:file
Download: download sample
Signature MarsStealer
File size:2'161'152 bytes
First seen:2024-11-09 01:44:37 UTC
Last seen:2024-11-09 03:18:17 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:qZLMFOKHZQ+RiP6mSvgbgMUo9hq5SSHGkq02HzgnbJ:gLMFOKH6+sP7UUhgSSHG100qJ
Threatray 35 similar samples on MalwareBazaar
TLSH T1FCA53377E9F7E5B4D2C947722143DE1DEA21DD9E2B6F3348C04B962C12A3A103589A78
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 :
30
# of downloads :
432
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-09 01:47:31 UTC
Tags:
stealer stealc qrcode

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
small spam hype sage
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
Result
Threat name:
LummaC, Amadey, LummaC Stealer, Stealc,
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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 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
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
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 LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1552556 Sample: file.exe Startdate: 09/11/2024 Architecture: WINDOWS Score: 100 56 thumbystriw.store 2->56 58 presticitpo.store 2->58 60 5 other IPs or domains 2->60 82 Suricata IDS alerts for network traffic 2->82 84 Found malware configuration 2->84 86 Antivirus detection for URL or domain 2->86 88 16 other signatures 2->88 9 file.exe 37 2->9         started        14 skotes.exe 2 22 2->14         started        16 9e94c3e0ad.exe 2->16         started        18 3 other processes 2->18 signatures3 process4 dnsIp5 74 185.215.113.206, 49730, 49754, 80 WHOLESALECONNECTIONSNL Portugal 9->74 76 185.215.113.16, 49762, 80 WHOLESALECONNECTIONSNL Portugal 9->76 78 127.0.0.1 unknown unknown 9->78 48 C:\Users\user\DocumentsEGDGIIJJEC.exe, PE32 9->48 dropped 50 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->50 dropped 52 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->52 dropped 54 12 other files (8 malicious) 9->54 dropped 120 Detected unpacking (changes PE section rights) 9->120 122 Attempt to bypass Chrome Application-Bound Encryption 9->122 124 Drops PE files to the document folder of the user 9->124 134 9 other signatures 9->134 20 cmd.exe 1 9->20         started        22 chrome.exe 9->22         started        80 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 14->80 126 Creates multiple autostart registry keys 14->126 128 Hides threads from debuggers 14->128 130 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->130 25 0200017284.exe 13 14->25         started        28 61b2e1f704.exe 14->28         started        30 9e94c3e0ad.exe 14->30         started        32 skotes.exe 14->32         started        132 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->132 file6 signatures7 process8 dnsIp9 34 DocumentsEGDGIIJJEC.exe 4 20->34         started        38 conhost.exe 20->38         started        62 192.168.2.4, 443, 49730, 49731 unknown unknown 22->62 64 239.255.255.250 unknown Reserved 22->64 40 chrome.exe 22->40         started        66 navygenerayk.store 188.114.96.3 CLOUDFLARENETUS European Union 25->66 98 Detected unpacking (changes PE section rights) 25->98 100 Query firmware table information (likely to detect VMs) 25->100 102 Tries to harvest and steal ftp login credentials 25->102 116 4 other signatures 25->116 104 Tries to detect sandboxes and other dynamic analysis tools (window names) 28->104 106 Modifies windows update settings 28->106 108 Disables Windows Defender Tamper protection 28->108 118 2 other signatures 28->118 110 Tries to evade debugger and weak emulator (self modifying code) 30->110 112 Hides threads from debuggers 30->112 114 Tries to detect sandboxes / dynamic malware analysis system (registry check) 30->114 signatures10 process11 dnsIp12 46 C:\Users\user\AppData\Local\...\skotes.exe, PE32 34->46 dropped 90 Antivirus detection for dropped file 34->90 92 Detected unpacking (changes PE section rights) 34->92 94 Machine Learning detection for dropped file 34->94 96 5 other signatures 34->96 43 skotes.exe 34->43         started        68 plus.l.google.com 142.250.184.238, 443, 49746 GOOGLEUS United States 40->68 70 play.google.com 172.217.16.206, 443, 49750, 49755 GOOGLEUS United States 40->70 72 2 other IPs or domains 40->72 file13 signatures14 process15 signatures16 136 Antivirus detection for dropped file 43->136 138 Detected unpacking (changes PE section rights) 43->138 140 Machine Learning detection for dropped file 43->140 142 5 other signatures 43->142
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-11-09 01:45:17 UTC
File Type:
PE (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:tale discovery evasion stealer
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
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
b71cb63eeafd2ad036ae6fb7d69adf19008046ed9638296dde7a6586048680ca
MD5 hash:
c6900e8343282bb6e96d8cb1b7523f58
SHA1 hash:
405403c07e77bd42e6dfb17676119b59208a3959
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
6a443c0ac67ec4aff6acb6319cfc04d68bf0f861ac0424dec70a6bb8a27975cb
MD5 hash:
f058a72e4dbe19f8b8ffb8785c2820d2
SHA1 hash:
440c44260ad8564a776ec1292adc4577906009fe
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 6a443c0ac67ec4aff6acb6319cfc04d68bf0f861ac0424dec70a6bb8a27975cb

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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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