MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d41249911dd9b7d79874d8b0ebf1045facd5f3720f1a699ab43634f43a7158a9. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d41249911dd9b7d79874d8b0ebf1045facd5f3720f1a699ab43634f43a7158a9
SHA3-384 hash: f557648c5efc4b34bca56e5b8118ef9dff53bf139db16bdf37f477ec362ae7b351e385428957534e1b1e578dc0279e13
SHA1 hash: fddbcce30649234cd1bf786f97c33fa43f082234
MD5 hash: 748ff7f54c11a86818687c93ae1c764d
humanhash: robert-sierra-california-wisconsin
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:2'464'768 bytes
First seen:2024-07-15 10:41:36 UTC
Last seen:2024-07-24 21:48:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:SiEglQ047xTWkU+105/OeEQUtOAHvjvIPV0G3lIVrvEjUktLLbVR6Ivy:SilK047FVL10ghvBQdumjUw3bWIvy
TLSH T101B533A3D99995C0D6AE523D6B1864D82119DCBC0883714DF9896F0AF7F4F322350AEF
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)
Reporter Bitsight
Tags:exe MarsStealer


Avatar
Bitsight
url: http://77.91.77.81/stealc/random.exe

Intelligence

File Origin
# of uploads :
16
# of downloads :
373
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d41249911dd9b7d79874d8b0ebf1045facd5f3720f1a699ab43634f43a7158a9.exe
Verdict:
Malicious activity
Analysis date:
2024-07-15 11:11:14 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/7874efd8-c07f-44d1-86be-b9c1a65f3397

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6694fcfbcadc6250d0556170win7simulatehigh_evasion
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
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:
enigma lolbin microsoft_visual_cc packed packed shell32
Link:
https://www.filescan.io/uploads/6694fd1402c6b1937f3acb8f/reports/29024188-82b6-400c-8eda-a057d54934bd/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/d41249911dd9b7d79874d8b0ebf1045facd5f3720f1a699ab43634f43a7158a9
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:
Spark
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5956f7ea-7242-4307-b5d0-038ede0bb7b9
Result
Threat name:
Amadey, Mars Stealer, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1473490
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 dropped file
PE file contains section with special chars
PE file has nameless sections
Potentially malicious time measurement code found
Sample uses string decryption to hide its real strings
Snort IDS alert 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 Mars 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: 1473490 Sample: file.exe Startdate: 15/07/2024 Architecture: WINDOWS Score: 100 78 youtube-ui.l.google.com 2->78 80 www.youtube.com 2->80 82 33 other IPs or domains 2->82 110 Snort IDS alert for network traffic 2->110 112 Found malware configuration 2->112 114 Antivirus detection for URL or domain 2->114 116 15 other signatures 2->116 9 file.exe 37 2->9         started        14 explorti.exe 19 2->14         started        16 explorti.exe 2->16         started        18 firefox.exe 2->18         started        signatures3 process4 dnsIp5 84 85.28.47.30, 49706, 49714, 80 GES-ASRU Russian Federation 9->84 86 77.91.77.81, 49708, 49712, 49715 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 9->86 56 C:\Users\user\AppData\...\DAEBKKKEHD.exe, PE32 9->56 dropped 58 C:\Users\user\AppData\...\CFCGIIEHIE.exe, PE32 9->58 dropped 60 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->60 dropped 70 13 other files (9 malicious) 9->70 dropped 138 Detected unpacking (changes PE section rights) 9->138 140 Tries to steal Mail credentials (via file / registry access) 9->140 142 Found many strings related to Crypto-Wallets (likely being stolen) 9->142 150 4 other signatures 9->150 20 cmd.exe 1 9->20         started        22 cmd.exe 1 9->22         started        88 77.91.77.82, 49711, 49713, 49716 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 14->88 62 C:\Users\user\AppData\...\98d03fb238.exe, PE32 14->62 dropped 64 C:\Users\user\AppData\...\dbf8dceb87.exe, PE32 14->64 dropped 66 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->66 dropped 68 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->68 dropped 144 Hides threads from debuggers 14->144 146 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->146 148 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->148 24 dbf8dceb87.exe 12 14->24         started        27 98d03fb238.exe 1 14->27         started        29 firefox.exe 18->29         started        file6 signatures7 process8 dnsIp9 33 DAEBKKKEHD.exe 4 20->33         started        37 conhost.exe 20->37         started        39 CFCGIIEHIE.exe 22->39         started        41 conhost.exe 22->41         started        126 Antivirus detection for dropped file 24->126 128 Multi AV Scanner detection for dropped file 24->128 130 Detected unpacking (changes PE section rights) 24->130 132 Hides threads from debuggers 24->132 134 Binary is likely a compiled AutoIt script file 27->134 136 Machine Learning detection for dropped file 27->136 43 firefox.exe 27->43         started        90 youtube-ui.l.google.com 172.217.18.14, 443, 49742, 49743 GOOGLEUS United States 29->90 92 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 49744, 49747, 49757 GOOGLEUS United States 29->92 94 9 other IPs or domains 29->94 72 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 29->72 dropped 74 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 29->74 dropped 76 C:\Users\user\AppData\...\places.sqlite-wal, SQLite 29->76 dropped 45 firefox.exe 29->45         started        47 firefox.exe 29->47         started        49 firefox.exe 29->49         started        file10 signatures11 process12 file13 54 C:\Users\user\AppData\Local\...\explorti.exe, PE32 33->54 dropped 96 Antivirus detection for dropped file 33->96 98 Detected unpacking (changes PE section rights) 33->98 100 Machine Learning detection for dropped file 33->100 108 3 other signatures 33->108 51 explorti.exe 33->51         started        102 Tries to evade debugger and weak emulator (self modifying code) 39->102 104 Tries to detect virtualization through RDTSC time measurements 39->104 106 Hides threads from debuggers 39->106 signatures14 process15 signatures16 118 Antivirus detection for dropped file 51->118 120 Detected unpacking (changes PE section rights) 51->120 122 Tries to detect sandboxes and other dynamic analysis tools (window names) 51->122 124 5 other signatures 51->124
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d41249911dd9b7d79874d8b0ebf1045facd5f3720f1a699ab43634f43a7158a9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d41249911dd9b7d79874d8b0ebf1045facd5f3720f1a699ab43634f43a7158a9/
Threat name:
Win32.Trojan.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-07-15 10:42:06 UTC
File Type:
PE (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2qjetei53g35pgdu3cyox4iel6wnl43sb4ngtgvugy2piotrlcuq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:4dd39d botnet:funny discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/240715-mrnkfssdlk/
Behaviour
Checks processor information in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Stealc
Malware Config
C2 Extraction:
http://85.28.47.30
http://77.91.77.82
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1cf78f9a-7ad9-4c79-aba7-b483f4a5036d
Unpacked files
SH256 hash:
d41249911dd9b7d79874d8b0ebf1045facd5f3720f1a699ab43634f43a7158a9
MD5 hash:
748ff7f54c11a86818687c93ae1c764d
SHA1 hash:
fddbcce30649234cd1bf786f97c33fa43f082234
Link:
https://www.unpac.me/results/e32d0cad-d644-400d-9b6b-4345e611c3ce/
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/d41249911dd9b7d79874d8b0ebf1045facd5f3720f1a699ab43634f43a7158a9

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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)

File information

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

Web download

MarsStealer

Executable exe d41249911dd9b7d79874d8b0ebf1045facd5f3720f1a699ab43634f43a7158a9

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2909131/
  
URLhaus
https://urlhaus.abuse.ch/url/2908698/
  
URLhaus
https://urlhaus.abuse.ch/url/2909129/

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
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
WIN_BASE_IO_APICan Create Filesversion.dll::GetFileVersionInfoA

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