MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f9a1e48fd8e9be5528b088a0a9cbefcdb523ee10e63fa14249130c139f1ccb9. 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: 1f9a1e48fd8e9be5528b088a0a9cbefcdb523ee10e63fa14249130c139f1ccb9
SHA3-384 hash: 714df515da197002aa0cf10015446d97d43ab18c6ce41eb38edbaabed6ee8937c8218968bb956b9f661ca40ff262891f
SHA1 hash: 42305bdb3f025748f6db57b7677244f1c0e00b2d
MD5 hash: 23f9aaabdec387215997cd70821d5859
humanhash: thirteen-mobile-stream-wolfram
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:2'159'616 bytes
First seen:2024-10-29 01:44:27 UTC
Last seen:2024-10-29 03:24:26 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:VGiyOrDOTaPLMlw56zJTpcydoQktteRsiRfl5XkqH:VGiyOgBdzJ6Okrmx5UqH
Threatray 2 similar samples on MalwareBazaar
TLSH T189A533501720F6CBDE6B8DF11E3B0B261061B78676B7A6D849E043396DB6EB4FF14206
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 :
21
# of downloads :
1'217
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-29 01:46:07 UTC
Tags:
stealer stealc loader rust themida
Link:
https://app.any.run/tasks/302d1cb0-7b45-40a3-aa07-bacda8be557d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.BackdoorX-gen.4049.15908.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67203e255928ee28d55e958c
Tags:
Powershell Lien
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:
microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/67203e220b051f847ca74fed/reports/45d4847d-6fe8-40b4-8ee5-f84723e79739/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/1f9a1e48fd8e9be5528b088a0a9cbefcdb523ee10e63fa14249130c139f1ccb9
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/3cbe2991-6cf5-4219-ad96-35f1f95d3dd0
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1544205
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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 sample
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
PE file contains section with special chars
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 Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1544205 Sample: file.exe Startdate: 29/10/2024 Architecture: WINDOWS Score: 100 61 Suricata IDS alerts for network traffic 2->61 63 Found malware configuration 2->63 65 Antivirus / Scanner detection for submitted sample 2->65 67 8 other signatures 2->67 7 file.exe 35 2->7         started        12 msedge.exe 68 630 2->12         started        process3 dnsIp4 51 185.215.113.206, 49704, 49744, 49838 WHOLESALECONNECTIONSNL Portugal 7->51 53 127.0.0.1 unknown unknown 7->53 33 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 7->33 dropped 35 C:\Users\user\AppData\...\softokn3[1].dll, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 7->37 dropped 39 10 other files (none is malicious) 7->39 dropped 69 Detected unpacking (changes PE section rights) 7->69 71 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->71 73 Tries to steal Mail credentials (via file / registry access) 7->73 75 10 other signatures 7->75 14 msedge.exe 2 10 7->14         started        17 chrome.exe 8 7->17         started        20 msedge.exe 12->20         started        22 msedge.exe 12->22         started        24 msedge.exe 12->24         started        26 msedge.exe 12->26         started        file5 signatures6 process7 dnsIp8 77 Monitors registry run keys for changes 14->77 28 msedge.exe 14->28         started        41 192.168.2.5, 443, 49703, 49704 unknown unknown 17->41 43 239.255.255.250 unknown Reserved 17->43 30 chrome.exe 17->30         started        45 18.160.172.81, 443, 49918, 49934 MIT-GATEWAYSUS United States 20->45 47 s-part-0017.t-0009.t-msedge.net 13.107.246.45, 443, 49729, 49738 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 20->47 49 27 other IPs or domains 20->49 signatures9 process10 dnsIp11 55 plus.l.google.com 142.250.181.238, 443, 49726 GOOGLEUS United States 30->55 57 play.google.com 142.250.185.142, 443, 49730, 49745 GOOGLEUS United States 30->57 59 2 other IPs or domains 30->59
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1f9a1e48fd8e9be5528b088a0a9cbefcdb523ee10e63fa14249130c139f1ccb9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1f9a1e48fd8e9be5528b088a0a9cbefcdb523ee10e63fa14249130c139f1ccb9/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-10-29 01:45:07 UTC
File Type:
PE (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d6nb4sh5r2n6kuulbcfavhf67tnvepxbbzr7ufbeseymcoprzs4q._file
Verdict:
suspicious
Label(s):
stealc
Create hunting rule
Similar samples:
1f9a1e48fd8e9be5528b088a0a9cbefcdb523ee10e63fa14249130c139f1ccb9
MarsStealer
bcc2e1473d790771507934707e46e5bd0a710141fe776d5b37d14d5aeda8f82a
MarsStealer
error
MarsStealer
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:tale discovery evasion stealer
Link:
https://tria.ge/reports/241029-b6d4sazmgv/
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 family
Stealc
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/56441bfa-8b36-4050-9a0f-146fde89f972
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
Link:
https://www.unpac.me/results/9e356357-0d4c-4fe7-8588-4bd2f7cb1f4d/
SH256 hash:
7aca1ea4063175fe44c78feba73060a13be71909e34343f56b01601849fab3a8
MD5 hash:
3f9e6d00f8906094bd9412f54280500c
SHA1 hash:
55c6149f84913802a4d4d39a6b005349e55a924a
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/9e356357-0d4c-4fe7-8588-4bd2f7cb1f4d/
SH256 hash:
1f9a1e48fd8e9be5528b088a0a9cbefcdb523ee10e63fa14249130c139f1ccb9
MD5 hash:
23f9aaabdec387215997cd70821d5859
SHA1 hash:
42305bdb3f025748f6db57b7677244f1c0e00b2d
Link:
https://www.unpac.me/results/9e356357-0d4c-4fe7-8588-4bd2f7cb1f4d/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1f9a1e48fd8e/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/1f9a1e48fd8e9be5528b088a0a9cbefcdb523ee10e63fa14249130c139f1ccb9

File information

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

Web download

MarsStealer

Executable exe 1f9a1e48fd8e9be5528b088a0a9cbefcdb523ee10e63fa14249130c139f1ccb9

(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

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