MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6ad3f81a2498a92af40c1a8a874b47bcbe195556d1f90f394d369e4220e1000. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f6ad3f81a2498a92af40c1a8a874b47bcbe195556d1f90f394d369e4220e1000
SHA3-384 hash: ec639c35c2972137561fdae301c8ea775c79387fb8d1b3c8a1c5e22c3a76f01341a46e7ec3c1ea370caf70cd920e394e
SHA1 hash: 05038709ecd74850a5ab6b9e0b9d917f0fddfabf
MD5 hash: 9e41e4631ef9238898ba873225640fee
humanhash: black-muppet-xray-winner
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:1'783'808 bytes
First seen:2024-08-24 13:05:26 UTC
Last seen:2024-08-24 16:24:13 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:MYv+MljeRcdXLlg4Fx0TB8afvdQYUgfs4Ok:gMde25gMx0RfvdzUOs49
TLSH T10885331B532BA433C99DA33689EBE728321C5643B9FE3E45221D66342B1E6EF345CC15
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 :
345
Origin country :
US US
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
https://www.grandthum.com/assets/FGD5_2408_24.7z
Verdict:
Malicious activity
Analysis date:
2024-08-24 12:51:30 UTC
Tags:
evasion privateloader stealer loader stealc risepro redline metastealer themida miner vidar netreactor amadey botnet socks5systemz proxy telegram g0njxa
Link:
https://app.any.run/tasks/7c1d7499-5d0a-4e2f-afe4-a75fb79e77f7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.15152.13574.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c9dabcb2a4681a72968cb3
Tags:
Execution Generic Infostealer Network Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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
Link:
https://www.filescan.io/uploads/66c9dabd0f919759592a28a7/reports/48a49bb6-aeaa-4dfb-8b6e-e17748625b1e/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/f6ad3f81a2498a92af40c1a8a874b47bcbe195556d1f90f394d369e4220e1000
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.
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6c29675d-1c06-44b0-aeb2-079d47553ee8
Result
Threat name:
Amadey, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1498414
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1498414 Sample: file.exe Startdate: 24/08/2024 Architecture: WINDOWS Score: 100 88 youtube-ui.l.google.com 2->88 90 www.youtube.com 2->90 92 35 other IPs or domains 2->92 120 Multi AV Scanner detection for domain / URL 2->120 122 Suricata IDS alerts for network traffic 2->122 124 Found malware configuration 2->124 126 13 other signatures 2->126 9 file.exe 39 2->9         started        14 svoutse.exe 19 2->14         started        16 svoutse.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 dnsIp5 94 185.215.113.100, 49700, 56893, 80 WHOLESALECONNECTIONSNL Portugal 9->94 96 31.41.244.11, 49705, 56889, 56892 AEROEXPRESS-ASRU Russian Federation 9->96 66 C:\Users\user\AppData\RoamingEGIIJDHCGC.exe, PE32 9->66 dropped 68 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->68 dropped 70 C:\Users\user\AppData\Local\...\random[1].exe, PE32 9->70 dropped 76 13 other files (9 malicious) 9->76 dropped 152 Detected unpacking (changes PE section rights) 9->152 154 Tries to steal Mail credentials (via file / registry access) 9->154 156 Found many strings related to Crypto-Wallets (likely being stolen) 9->156 168 5 other signatures 9->168 20 cmd.exe 1 9->20         started        22 cmd.exe 1 9->22         started        98 31.41.244.10, 56888, 56891, 80 AEROEXPRESS-ASRU Russian Federation 14->98 100 www.wikipedia.org 14->100 102 dyna.wikimedia.org 14->102 158 Hides threads from debuggers 14->158 160 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->160 162 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->162 24 c27bfa6a2a.exe 13 14->24         started        27 f8843114f3.exe 14->27         started        164 Tries to evade debugger and weak emulator (self modifying code) 16->164 104 192.168.2.10, 443, 49700, 49701 unknown unknown 18->104 106 239.255.255.250 unknown Reserved 18->106 72 C:\Users\user\AppData\...\History-journal, data 18->72 dropped 74 C:\Users\user\AppData\Local\...\History, SQLite 18->74 dropped 166 Overwrites Mozilla Firefox settings 18->166 29 firefox.exe 18->29         started        33 msedge.exe 18->33         started        35 msedge.exe 18->35         started        37 4 other processes 18->37 file6 signatures7 process8 dnsIp9 39 RoamingEGIIJDHCGC.exe 4 20->39         started        43 conhost.exe 20->43         started        45 userCAAAAFBKFI.exe 22->45         started        47 conhost.exe 22->47         started        128 Detected unpacking (changes PE section rights) 24->128 130 Tries to detect sandboxes and other dynamic analysis tools (window names) 24->130 132 Tries to evade debugger and weak emulator (self modifying code) 24->132 136 3 other signatures 24->136 134 Binary is likely a compiled AutoIt script file 27->134 49 msedge.exe 27->49         started        51 firefox.exe 27->51         started        108 services.addons.mozilla.org 18.65.39.4 MIT-GATEWAYSUS United States 29->108 110 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82 GOOGLEUS United States 29->110 116 9 other IPs or domains 29->116 78 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 29->78 dropped 80 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 29->80 dropped 82 C:\Users\user\AppData\...\places.sqlite-wal, SQLite 29->82 dropped 84 C:\Users\user\...\content-prefs.sqlite, SQLite 29->84 dropped 53 firefox.exe 29->53         started        55 firefox.exe 29->55         started        57 firefox.exe 29->57         started        112 13.107.246.40 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 33->112 114 ssl.bingadsedgeextension-prod-europe.azurewebsites.net 94.245.104.56 MICROSOFT-CORP-MSN-AS-BLOCKUS United Kingdom 33->114 118 12 other IPs or domains 33->118 86 C:\Users\user\AppData\Local\...\Cookies, SQLite 33->86 dropped file10 signatures11 process12 file13 64 C:\Users\user\AppData\Local\...\svoutse.exe, PE32 39->64 dropped 138 Detected unpacking (changes PE section rights) 39->138 140 Tries to evade debugger and weak emulator (self modifying code) 39->140 142 Tries to detect virtualization through RDTSC time measurements 39->142 150 3 other signatures 39->150 59 svoutse.exe 39->59         started        144 Antivirus detection for dropped file 45->144 146 Machine Learning detection for dropped file 45->146 148 Hides threads from debuggers 45->148 62 msedge.exe 49->62         started        signatures14 process15 signatures16 170 Hides threads from debuggers 59->170 172 Tries to detect sandboxes / dynamic malware analysis system (registry check) 59->172 174 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 59->174
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f6ad3f81a2498a92af40c1a8a874b47bcbe195556d1f90f394d369e4220e1000
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f6ad3f81a2498a92af40c1a8a874b47bcbe195556d1f90f394d369e4220e1000/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-08-24 13:06:05 UTC
File Type:
PE (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=62wt7ancjgfjfl2aygukq5fuppf6dfkvnupzb44u2nu6iiqocaaa._file
Verdict:
unknown
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:leva discovery evasion stealer
Link:
https://tria.ge/reports/240824-qb3afstaqn/
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:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/84898da2-154e-46ab-b013-18a02fe40edf
Unpacked files
SH256 hash:
fe5dee12052748af9afb13f436dcf7597fb1026c9db3873c403e05ef69a0dfdf
MD5 hash:
0189e78e5385bd909fb50513f370f32e
SHA1 hash:
aacbe976cf4b004572067b21f84c5858d5d65b96
Detections:
stealc
Create hunting rule
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/1e2c399c-61b7-4ae7-a879-236a1599ca13/
SH256 hash:
f6ad3f81a2498a92af40c1a8a874b47bcbe195556d1f90f394d369e4220e1000
MD5 hash:
9e41e4631ef9238898ba873225640fee
SHA1 hash:
05038709ecd74850a5ab6b9e0b9d917f0fddfabf
Link:
https://www.unpac.me/results/1e2c399c-61b7-4ae7-a879-236a1599ca13/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f6ad3f81a249/report/overview.html
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 f6ad3f81a2498a92af40c1a8a874b47bcbe195556d1f90f394d369e4220e1000

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3114824/
  
URLhaus
https://urlhaus.abuse.ch/url/3120904/
  
URLhaus
https://urlhaus.abuse.ch/url/3125999/
  
URLhaus
https://urlhaus.abuse.ch/url/3120910/

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