MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f6f1d53025ee680fdc92c64d14b887ed61275521e2ac6f493ad8f1c7f8f1392. 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 1 File information Comments

SHA256 hash: 6f6f1d53025ee680fdc92c64d14b887ed61275521e2ac6f493ad8f1c7f8f1392
SHA3-384 hash: 9bd0d10646802165770224333f939a06d5f39e591d8393c85e7d1ba88c55b28dd1cee24abce9802d158483bb4fdb2c63
SHA1 hash: 8dd0c01b473845cd911596be18820ff4aa01d8f4
MD5 hash: 695927c3f75ae50325a1a4a129a7b869
humanhash: lactose-bacon-uncle-tennis
File name:file
Download: download sample
Signature MarsStealer
File size:1'813'504 bytes
First seen:2024-08-24 15:49:42 UTC
Last seen:2024-08-24 16:24:15 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 49152:9xvMxCUBQHvgjP9+ZhdbcyonIJfIapc62MhE0:9KFjPQhdgyNtIB6thE0
TLSH T17D8533927C957A2EFE08963398C71BE49B21E349FA2B778864D03B79217711C937381D
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 :
8
# of downloads :
346
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-24 15:51:59 UTC
Tags:
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:
96.5%
Tags:
Execution Generic Infostealer Network Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
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:
anti-vm microsoft_visual_cc packed
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:
Amadey, Stealc, Vidar
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
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
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1498446 Sample: file.exe Startdate: 24/08/2024 Architecture: WINDOWS Score: 100 86 youtube-ui.l.google.com 2->86 88 www.youtube.com 2->88 90 33 other IPs or domains 2->90 114 Multi AV Scanner detection for domain / URL 2->114 116 Suricata IDS alerts for network traffic 2->116 118 Found malware configuration 2->118 120 13 other signatures 2->120 9 file.exe 39 2->9         started        14 svoutse.exe 19 2->14         started        16 msedge.exe 2->16         started        18 firefox.exe 2->18         started        signatures3 process4 dnsIp5 92 185.215.113.100, 49710, 49724, 80 WHOLESALECONNECTIONSNL Portugal 9->92 94 31.41.244.11, 49716, 49721, 49723 AEROEXPRESS-ASRU Russian Federation 9->94 68 C:\Users\user\AppData\RoamingAFCFHJJECA.exe, PE32 9->68 dropped 70 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->70 dropped 72 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->72 dropped 76 13 other files (9 malicious) 9->76 dropped 146 Detected unpacking (changes PE section rights) 9->146 148 Tries to steal Mail credentials (via file / registry access) 9->148 150 Found many strings related to Crypto-Wallets (likely being stolen) 9->150 160 6 other signatures 9->160 20 cmd.exe 1 9->20         started        22 cmd.exe 1 9->22         started        96 31.41.244.10, 49720, 49722, 80 AEROEXPRESS-ASRU Russian Federation 14->96 152 Hides threads from debuggers 14->152 154 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->154 156 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->156 24 8016117c6f.exe 13 14->24         started        27 d404fe579b.exe 1 14->27         started        98 192.168.2.6, 443, 49704, 49709 unknown unknown 16->98 100 239.255.255.250 unknown Reserved 16->100 74 C:\Users\user\AppData\Local\...\History, SQLite 16->74 dropped 158 Maps a DLL or memory area into another process 16->158 29 msedge.exe 16->29         started        33 identity_helper.exe 16->33         started        35 identity_helper.exe 16->35         started        39 5 other processes 16->39 37 firefox.exe 18->37         started        file6 signatures7 process8 dnsIp9 41 RoamingAFCFHJJECA.exe 4 20->41         started        45 conhost.exe 20->45         started        47 userGCGIDGCGIE.exe 22->47         started        49 conhost.exe 22->49         started        122 Detected unpacking (changes PE section rights) 24->122 124 Tries to detect sandboxes and other dynamic analysis tools (window names) 24->124 126 Tries to evade debugger and weak emulator (self modifying code) 24->126 130 3 other signatures 24->130 128 Binary is likely a compiled AutoIt script file 27->128 51 msedge.exe 27->51         started        53 firefox.exe 27->53         started        102 13.107.246.40 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->102 104 20.96.153.111 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->104 110 12 other IPs or domains 29->110 78 C:\Users\user\AppData\Local\...\Cookies, SQLite 29->78 dropped 106 services.addons.mozilla.org 18.65.39.4 MIT-GATEWAYSUS United States 37->106 108 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82 GOOGLEUS United States 37->108 112 9 other IPs or domains 37->112 80 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 37->80 dropped 82 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 37->82 dropped 84 C:\Users\user\AppData\...\places.sqlite-wal, SQLite 37->84 dropped 55 firefox.exe 37->55         started        57 firefox.exe 37->57         started        59 firefox.exe 37->59         started        file10 signatures11 process12 file13 66 C:\Users\user\AppData\Local\...\svoutse.exe, PE32 41->66 dropped 132 Detected unpacking (changes PE section rights) 41->132 134 Tries to evade debugger and weak emulator (self modifying code) 41->134 136 Tries to detect virtualization through RDTSC time measurements 41->136 144 3 other signatures 41->144 61 svoutse.exe 41->61         started        138 Antivirus detection for dropped file 47->138 140 Machine Learning detection for dropped file 47->140 142 Hides threads from debuggers 47->142 64 msedge.exe 51->64         started        signatures14 process15 signatures16 162 Detected unpacking (changes PE section rights) 61->162 164 Tries to evade debugger and weak emulator (self modifying code) 61->164 166 Hides threads from debuggers 61->166 168 2 other signatures 61->168
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-08-24 15:50:06 UTC
File Type:
PE (Exe)
AV detection:
13 of 38 (34.21%)
Threat level:
  2/5
Verdict:
unknown
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:leva 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
Malware Config
C2 Extraction:
http://185.215.113.100
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1e0e7c0349633ce7900f4422187c538b8a73d1b1455573d92ce89b7c858e0f7a
MD5 hash:
d6310191a03674bf203ba1823750d90c
SHA1 hash:
eefaad8e34153fddf1d40a239cec552343b9e036
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
6f6f1d53025ee680fdc92c64d14b887ed61275521e2ac6f493ad8f1c7f8f1392
MD5 hash:
695927c3f75ae50325a1a4a129a7b869
SHA1 hash:
8dd0c01b473845cd911596be18820ff4aa01d8f4
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

MarsStealer

Executable exe 6f6f1d53025ee680fdc92c64d14b887ed61275521e2ac6f493ad8f1c7f8f1392

(this sample)

  
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

Comments