MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf0d4dcbc8a820dcca55c7dbb693a28c37e94896d9966feb8f2237d94a6c5587. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf0d4dcbc8a820dcca55c7dbb693a28c37e94896d9966feb8f2237d94a6c5587
SHA3-384 hash: 219efab0c5b024e9354c81fd561755ddb94ac5be08bc33bd197fc9521ec5ad7c3bc07bdc45bea967806bbf3ab0a3c3cf
SHA1 hash: 1decb32fe294c5b9ed465f6e02a399ad328ad97e
MD5 hash: aa6a24cab5b1ee9fd8d7e6ce3f03802d
humanhash: oscar-mexico-snake-quiet
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:2'140'672 bytes
First seen:2024-11-08 02:01:58 UTC
Last seen:2024-11-08 03:21:09 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:e/ifjtehloqTVwvaVulTi6EMWTKFvFTez8kUY7CbBf:eMRklvTwaVul7EMWTKXBkgFf
TLSH T11CA5338E7D915174C485DF70ACD6C0CDBB9D886A98C94F3C76308D9AA933B53A8DB4C8
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 :
498
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-08 02:03:21 UTC
Tags:
amadey botnet stealer lumma possible-phishing loader stealc themida
Link:
https://app.any.run/tasks/9b1ba819-72a3-466e-8f1f-d555a14ac4cb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.BackdoorX-gen.27102.24404.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672d7122a5bee3c9d42ba5d7
Tags:
vmdetect spam
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:
anti-vm microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/672d711dd0fb63ce72e87aa8/reports/b9e18977-a07c-4596-8142-6275f1c0b794/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/bf0d4dcbc8a820dcca55c7dbb693a28c37e94896d9966feb8f2237d94a6c5587
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/31559c46-a7f6-42dc-980c-6c8a00bebf8e
Result
Threat name:
LummaC, Amadey, LummaC Stealer, Stealc,
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1551712
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 domain / URL
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1551712 Sample: file.exe Startdate: 08/11/2024 Architecture: WINDOWS Score: 100 64 thumbystriw.store 2->64 66 presticitpo.store 2->66 68 4 other IPs or domains 2->68 90 Multi AV Scanner detection for domain / URL 2->90 92 Suricata IDS alerts for network traffic 2->92 94 Found malware configuration 2->94 96 17 other signatures 2->96 9 file.exe 37 2->9         started        14 skotes.exe 3 22 2->14         started        16 cf80bca37f.exe 2->16         started        18 5 other processes 2->18 signatures3 process4 dnsIp5 82 185.215.113.206, 49730, 49762, 80 WHOLESALECONNECTIONSNL Portugal 9->82 84 185.215.113.16, 49763, 80 WHOLESALECONNECTIONSNL Portugal 9->84 86 127.0.0.1 unknown unknown 9->86 48 C:\Users\user\DocumentsCAAEBFHJJD.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 60 12 other files (8 malicious) 9->60 dropped 128 Detected unpacking (changes PE section rights) 9->128 130 Attempt to bypass Chrome Application-Bound Encryption 9->130 132 Drops PE files to the document folder of the user 9->132 150 6 other signatures 9->150 20 cmd.exe 1 9->20         started        22 chrome.exe 9->22         started        88 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 14->88 54 C:\Users\user\AppData\...\3d4d884a7d.exe, PE32 14->54 dropped 56 C:\Users\user\AppData\...\6f4c9ef812.exe, PE32 14->56 dropped 58 C:\Users\user\AppData\...\cf80bca37f.exe, PE32 14->58 dropped 62 3 other malicious files 14->62 dropped 134 Creates multiple autostart registry keys 14->134 136 Hides threads from debuggers 14->136 138 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->138 25 3d4d884a7d.exe 14->25         started        28 cf80bca37f.exe 13 14->28         started        30 6f4c9ef812.exe 14->30         started        32 skotes.exe 14->32         started        140 Query firmware table information (likely to detect VMs) 16->140 142 Tries to harvest and steal ftp login credentials 16->142 144 Tries to harvest and steal browser information (history, passwords, etc) 16->144 146 Tries to steal Crypto Currency Wallets 18->146 148 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 18->148 file6 signatures7 process8 dnsIp9 34 DocumentsCAAEBFHJJD.exe 4 20->34         started        38 conhost.exe 20->38         started        70 192.168.2.4, 443, 49730, 49734 unknown unknown 22->70 72 239.255.255.250 unknown Reserved 22->72 40 chrome.exe 22->40         started        106 Multi AV Scanner detection for dropped file 25->106 108 Detected unpacking (changes PE section rights) 25->108 110 Tries to detect sandboxes and other dynamic analysis tools (window names) 25->110 124 5 other signatures 25->124 74 founpiuer.store 104.21.5.155 CLOUDFLARENETUS United States 28->74 112 Antivirus detection for dropped file 28->112 114 Query firmware table information (likely to detect VMs) 28->114 116 Machine Learning detection for dropped file 28->116 126 2 other signatures 28->126 118 Tries to evade debugger and weak emulator (self modifying code) 30->118 120 Hides threads from debuggers 30->120 122 Tries to detect sandboxes / dynamic malware analysis system (registry check) 30->122 signatures10 process11 dnsIp12 46 C:\Users\user\AppData\Local\...\skotes.exe, PE32 34->46 dropped 98 Antivirus detection for dropped file 34->98 100 Detected unpacking (changes PE section rights) 34->100 102 Machine Learning detection for dropped file 34->102 104 6 other signatures 34->104 43 skotes.exe 34->43         started        76 play.google.com 142.250.181.238, 443, 49747, 49752 GOOGLEUS United States 40->76 78 www.google.com 216.58.206.68, 443, 49734, 49735 GOOGLEUS United States 40->78 80 2 other IPs or domains 40->80 file13 signatures14 process15 signatures16 152 Antivirus detection for dropped file 43->152 154 Detected unpacking (changes PE section rights) 43->154 156 Machine Learning detection for dropped file 43->156 158 5 other signatures 43->158
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bf0d4dcbc8a820dcca55c7dbb693a28c37e94896d9966feb8f2237d94a6c5587
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf0d4dcbc8a820dcca55c7dbb693a28c37e94896d9966feb8f2237d94a6c5587/
Threat name:
Win32.Trojan.Stealerc
Create hunting rule
Status:
Malicious
First seen:
2024-11-08 02:17:20 UTC
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x4gu3s6ivaqnzssvy7n3ne5crq36ssew3glg724pei35sstmkwdq._file
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:tale discovery evasion stealer
Link:
https://tria.ge/reports/241108-cf43yssgle/
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/32880180-a055-4e51-b766-b032c2548619
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
Link:
https://www.unpac.me/results/3a782f41-7fa1-432e-bfa9-fac167714c3a/
SH256 hash:
19a72b234cc044d5629e4126ab671d14aa15984994f1bdc36f319f9626e0ee07
MD5 hash:
52aa9459c3c077cd9e8f0831522e33fe
SHA1 hash:
cf1b82e1e04ab05316d3b7e949d4321946217ef8
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/3a782f41-7fa1-432e-bfa9-fac167714c3a/
SH256 hash:
bf0d4dcbc8a820dcca55c7dbb693a28c37e94896d9966feb8f2237d94a6c5587
MD5 hash:
aa6a24cab5b1ee9fd8d7e6ce3f03802d
SHA1 hash:
1decb32fe294c5b9ed465f6e02a399ad328ad97e
Link:
https://www.unpac.me/results/3a782f41-7fa1-432e-bfa9-fac167714c3a/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bf0d4dcbc8a8/report/overview.html
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/bf0d4dcbc8a820dcca55c7dbb693a28c37e94896d9966feb8f2237d94a6c5587

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
Create hunting rule
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 bf0d4dcbc8a820dcca55c7dbb693a28c37e94896d9966feb8f2237d94a6c5587

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3273391/
  
URLhaus
https://urlhaus.abuse.ch/url/3079150/

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