MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620. 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

SHA256 hash: 1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620
SHA3-384 hash: 76326fac64aad7a5e48efa3bc4ca6e19c1b7fb96bbb19561a01031fb3f0120e6056bed7132244e3992dbf9adcaf84182
SHA1 hash: 69545d24afcd930549a8a86b72ade7e29ccdf5ca
MD5 hash: 1fdb79f6854abd31f84d63942a7df92a
humanhash: maine-artist-wisconsin-ceiling
File name:file
Download: download sample
Signature MarsStealer
File size:2'139'136 bytes
First seen:2024-11-03 19:51:54 UTC
Last seen:2024-11-03 21:23:37 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:qFZNYZAyuGFMFRlLTGfIUerX9PrG48bvTnBj9YHr4TYVY:qFsxFQRlTseb9jG4+LRirW
TLSH T1C5A533544930BDE7CC3C9EBA56B817F29209C66314BD50F5880BB6623F62B26CE9CD5C
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 :
24
# of downloads :
373
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-03 19:53:56 UTC
Tags:
lumma stealer stealc loader themida amadey botnet

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
vmdetect autorun autoit spam
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
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.
Result
Threat name:
LummaC, Amadey, Credential Flusher, Stea
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Attempt to bypass Chrome Application-Bound Encryption
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
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 sample
Modifies windows update settings
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
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 Credential Flusher
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1548091 Sample: file.exe Startdate: 03/11/2024 Architecture: WINDOWS Score: 100 95 thumbystriw.store 2->95 97 steamcommunity.com 2->97 99 24 other IPs or domains 2->99 131 Suricata IDS alerts for network traffic 2->131 133 Found malware configuration 2->133 135 Antivirus / Scanner detection for submitted sample 2->135 137 13 other signatures 2->137 9 skotes.exe 2->9         started        14 file.exe 38 2->14         started        16 skotes.exe 2->16         started        18 6 other processes 2->18 signatures3 process4 dnsIp5 117 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 9->117 77 C:\Users\user\AppData\...\c15b0a288b.exe, PE32 9->77 dropped 79 C:\Users\user\AppData\...\8fd922fb4e.exe, PE32 9->79 dropped 81 C:\Users\user\AppData\...\fbbce4ae0b.exe, PE32 9->81 dropped 89 5 other malicious files 9->89 dropped 161 Creates multiple autostart registry keys 9->161 163 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 9->163 165 Hides threads from debuggers 9->165 20 c15b0a288b.exe 9->20         started        23 d129d6f0d8.exe 9->23         started        26 fbbce4ae0b.exe 9->26         started        28 8fd922fb4e.exe 9->28         started        119 185.215.113.206, 49704, 49734, 49818 WHOLESALECONNECTIONSNL Portugal 14->119 121 185.215.113.16, 49885, 80 WHOLESALECONNECTIONSNL Portugal 14->121 123 127.0.0.1 unknown unknown 14->123 83 C:\Users\user\DocumentsJJJJKEHCAK.exe, PE32 14->83 dropped 85 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->85 dropped 87 C:\ProgramData\nss3.dll, PE32 14->87 dropped 91 13 other files (1 malicious) 14->91 dropped 167 Detected unpacking (changes PE section rights) 14->167 169 Attempt to bypass Chrome Application-Bound Encryption 14->169 171 Drops PE files to the document folder of the user 14->171 183 8 other signatures 14->183 30 cmd.exe 14->30         started        32 msedge.exe 2 10 14->32         started        34 chrome.exe 12 14->34         started        173 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 16->173 175 Tries to evade debugger and weak emulator (self modifying code) 16->175 177 Tries to detect sandboxes / dynamic malware analysis system (registry check) 16->177 179 Binary is likely a compiled AutoIt script file 18->179 181 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 18->181 36 firefox.exe 18->36         started        39 6 other processes 18->39 file6 signatures7 process8 dnsIp9 139 Multi AV Scanner detection for dropped file 20->139 141 Detected unpacking (changes PE section rights) 20->141 143 Tries to detect sandboxes and other dynamic analysis tools (window names) 20->143 159 4 other signatures 20->159 103 founpiuer.store 172.67.133.135 CLOUDFLARENETUS United States 23->103 105 packagednyb.cyou 188.114.96.3 CLOUDFLARENETUS European Union 23->105 111 2 other IPs or domains 23->111 145 Tries to evade debugger and weak emulator (self modifying code) 23->145 147 Hides threads from debuggers 23->147 149 LummaC encrypted strings found 23->149 151 Tries to detect sandboxes / dynamic malware analysis system (registry check) 26->151 153 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 26->153 155 Binary is likely a compiled AutoIt script file 28->155 41 taskkill.exe 28->41         started        43 taskkill.exe 28->43         started        56 4 other processes 28->56 45 DocumentsJJJJKEHCAK.exe 30->45         started        49 conhost.exe 30->49         started        157 Monitors registry run keys for changes 32->157 51 msedge.exe 32->51         started        107 192.168.2.5, 443, 49703, 49704 unknown unknown 34->107 109 239.255.255.250 unknown Reserved 34->109 53 chrome.exe 34->53         started        113 6 other IPs or domains 36->113 75 C:\Users\user\AppData\...\places.sqlite-wal, SQLite 36->75 dropped 58 2 other processes 36->58 115 12 other IPs or domains 39->115 60 2 other processes 39->60 file10 signatures11 process12 dnsIp13 62 conhost.exe 41->62         started        64 conhost.exe 43->64         started        93 C:\Users\user\AppData\Local\...\skotes.exe, PE32 45->93 dropped 185 Detected unpacking (changes PE section rights) 45->185 187 Tries to evade debugger and weak emulator (self modifying code) 45->187 189 Tries to detect virtualization through RDTSC time measurements 45->189 191 3 other signatures 45->191 66 skotes.exe 45->66         started        101 www.google.com 142.250.185.100, 443, 49706, 49707 GOOGLEUS United States 53->101 69 conhost.exe 56->69         started        71 conhost.exe 56->71         started        73 conhost.exe 56->73         started        file14 signatures15 process16 signatures17 125 Hides threads from debuggers 66->125 127 Tries to detect sandboxes / dynamic malware analysis system (registry check) 66->127 129 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 66->129
Threat name:
Win32.Trojan.Stealerc
Status:
Malicious
First seen:
2024-11-03 19:52:11 UTC
File Type:
PE (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:tale credential_access discovery evasion spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
149b3c2b2f594db468ba7e90213a6b18fb762f9f114f8a86c62c8c3d88f2c4f0
MD5 hash:
a4ee18469148173b16c6c97b745f8748
SHA1 hash:
f10a8c007605aec49a832762d2650c3f0c2cb629
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620
MD5 hash:
1fdb79f6854abd31f84d63942a7df92a
SHA1 hash:
69545d24afcd930549a8a86b72ade7e29ccdf5ca
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 1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620

(this sample)

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

Comments