MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d
SHA3-384 hash: 2b095bec7205858cfcf69a1ec8d0b5077cd52a699f2446d72f4d184688ff97f2a59fce80d0b32e9ae3adacbdc1e2eee4
SHA1 hash: 5ddf8d0198b0646472038f887caaee50f35f4f2e
MD5 hash: 8f51409e0119d80da56d1bcddbe960b7
humanhash: low-pasta-east-stream
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:202'240 bytes
First seen:2024-09-23 13:21:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:yrsR+CX0WGYN8vWneNvsR4cByR28jzzlpcJO9hVpfCV0MY7QxFJn2IK:wsP0WGY7jR4ccfe0P7qJ2
Threatray 12 similar samples on MalwareBazaar
TLSH T1391423484C285BACEF72873698340F895270F9AAB04DD1FE7B85E9740577F68B862F44
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:exe MarsStealer


Avatar
Bitsight
url: http://147.45.45.69/sfddsghd.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
427
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-23 13:31:13 UTC
Tags:
stealer stealc loader evasion
Link:
https://app.any.run/tasks/b5a9748d-37a5-473b-927b-f3c9fda84399

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Pwsx-10035189-0
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f16b7e5346c7b922ad3e1f
Tags:
Static Monitor Virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Connection attempt to an infection source
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/66f16b7e0883d6a903edcb92/reports/43f9b717-6a07-4c44-a413-21c91c8ffde8/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d
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/c3972859-8d6c-4b88-af65-92cbb61f328b
Result
Threat name:
LummaC, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1515857
Signature
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Creates multiple autostart registry keys
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
LummaC encrypted strings found
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Suspicious File Creation In Uncommon AppData Folder
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1515857 Sample: file.exe Startdate: 23/09/2024 Architecture: WINDOWS Score: 100 109 surroundeocw.shop 2->109 111 steamcommunity.com 2->111 113 11 other IPs or domains 2->113 135 Suricata IDS alerts for network traffic 2->135 137 Found malware configuration 2->137 139 Antivirus detection for URL or domain 2->139 141 17 other signatures 2->141 12 file.exe 2 2->12         started        16 IDSM.exe 2->16         started        18 IDSM.exe 2->18         started        20 2 other processes 2->20 signatures3 process4 file5 107 C:\Users\user\AppData\Local\...\file.exe.log, CSV 12->107 dropped 185 Contains functionality to inject code into remote processes 12->185 187 Writes to foreign memory regions 12->187 189 Allocates memory in foreign processes 12->189 191 Injects a PE file into a foreign processes 12->191 22 RegAsm.exe 41 12->22         started        27 conhost.exe 12->27         started        29 WerFault.exe 16->29         started        31 WerFault.exe 18->31         started        33 WerFault.exe 20->33         started        35 WerFault.exe 20->35         started        signatures6 process7 dnsIp8 115 46.8.231.109, 49704, 80 FIORD-ASIP-transitoperatorinRussiaUkraineandBaltics Russian Federation 22->115 117 caprolactam.co.in 136.243.67.73, 49706, 49768, 80 HETZNER-ASDE Germany 22->117 119 147.45.45.69, 49705, 80 FREE-NET-ASFREEnetEU Russian Federation 22->119 91 C:\Users\user\AppData\RoamingBFBGDGIDBA.exe, PE32 22->91 dropped 93 C:\Users\user\AppData\...\ndfdsof[1].exe, PE32 22->93 dropped 95 C:\Users\user\AppData\...\softokn3[1].dll, PE32 22->95 dropped 97 15 other files (11 malicious) 22->97 dropped 143 Tries to steal Mail credentials (via file / registry access) 22->143 145 Tries to harvest and steal browser information (history, passwords, etc) 22->145 147 Found evasive API chain (may stop execution after checking locale) 22->147 149 3 other signatures 22->149 37 cmd.exe 1 22->37         started        39 cmd.exe 1 22->39         started        41 cmd.exe 1 22->41         started        file9 signatures10 process11 process12 43 userFCFIEHCFIE.exe 2 37->43         started        46 conhost.exe 37->46         started        48 userGDAEBKJDHD.exe 2 39->48         started        50 conhost.exe 39->50         started        52 RoamingBFBGDGIDBA.exe 41->52         started        55 conhost.exe 41->55         started        file13 163 Multi AV Scanner detection for dropped file 43->163 165 Writes to foreign memory regions 43->165 167 Allocates memory in foreign processes 43->167 57 RegAsm.exe 1 118 43->57         started        62 conhost.exe 43->62         started        64 RegAsm.exe 43->64         started        169 Injects a PE file into a foreign processes 48->169 171 LummaC encrypted strings found 48->171 66 RegAsm.exe 48->66         started        68 conhost.exe 48->68         started        89 C:\Users\user\AppData\Local\Temp\...\IDSM.exe, PE32 52->89 dropped 173 Creates multiple autostart registry keys 52->173 70 IDSM.exe 52->70         started        signatures14 process15 dnsIp16 121 cowod.hopto.org 45.132.206.251, 443, 49783, 49787 LIFELINK-ASRU Russian Federation 57->121 123 116.203.15.34, 443, 49725, 49726 HETZNER-ASDE Germany 57->123 99 C:\Users\user\AppData\...\ndfdsof[1].exe, PE32 57->99 dropped 101 C:\ProgramData\KEBFBGDGHI.exe, PE32 57->101 dropped 103 C:\ProgramData\FIEHIIIJDA.exe, PE32 57->103 dropped 175 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 57->175 177 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 57->177 179 Tries to harvest and steal ftp login credentials 57->179 183 3 other signatures 57->183 72 FIEHIIIJDA.exe 57->72         started        75 KEBFBGDGHI.exe 57->75         started        77 cmd.exe 57->77         started        125 racedsuitreow.shop 104.21.37.97, 443, 49711, 49769 CLOUDFLARENETUS United States 66->125 127 covvercilverow.shop 104.21.55.28, 443, 49722, 49799 CLOUDFLARENETUS United States 66->127 133 5 other IPs or domains 66->133 129 api.ipify.org 172.67.74.152, 49738, 49742, 49744 CLOUDFLARENETUS United States 70->129 131 185.125.102.133, 49735, 49739, 49750 BURANTEL-ASRU Russian Federation 70->131 105 C:\Users\user\AppData\Local\...\MSDNG.exe, PE32 70->105 dropped 181 Creates multiple autostart registry keys 70->181 79 MSDNG.exe 70->79         started        file17 signatures18 process19 signatures20 151 Writes to foreign memory regions 72->151 153 Allocates memory in foreign processes 72->153 155 Injects a PE file into a foreign processes 72->155 81 conhost.exe 72->81         started        83 RegAsm.exe 72->83         started        157 Antivirus detection for dropped file 75->157 159 Machine Learning detection for dropped file 75->159 161 Creates multiple autostart registry keys 75->161 85 conhost.exe 77->85         started        87 timeout.exe 77->87         started        process21
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d/
Threat name:
Win32.Trojan.Stealerc
Create hunting rule
Status:
Malicious
First seen:
2024-09-23 13:22:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=67k6gguqu6sdn64ie57asigjm5nwt6rx53q3s4jauj7xslvizioq._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
2982d7fbda8b889a9cc7ea780acd6ab1e03dc69360836a3a60bae08ae6307ad5
MarsStealer
88efb8b6990e916e7590c2bd3f734f390f7c3d7b517a5fdc1baba0a2f6fbd54c
MarsStealer
9545cb95accf9eb43999ff192849f2c8c2ef8286c3fc1232d3750cbcd9c8dc4e
MarsStealer
a72d4d0ece553b8140a169f5aca11693f3e411f733f1440ec12b1a30b323f164
MarsStealer
ef0ad84528750e2dc891ed819018c7c0d28fe038c92fd2612a5f26ad9863736c
MarsStealer
f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d
MarsStealer
+ 2 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:lumma family:stealc family:vidar botnet:3a15237aa92dcd8ccca447211fb5fc2a botnet:default credential_access discovery persistence spyware stealer
Link:
https://tria.ge/reports/240923-ql8vzsxdql/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Detect Vidar Stealer
Lumma Stealer, LummaC
Stealc
Vidar
Malware Config
C2 Extraction:
http://46.8.231.109
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
https://surroundeocw.shop/api
https://racedsuitreow.shop/api
https://defenddsouneuw.shop/api
https://deallyharvenw.shop/api
https://priooozekw.shop/api
https://pumpkinkwquo.shop/api
https://abortinoiwiam.shop/api
https://covvercilverow.shop/api
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/7921023b-4003-4283-95a4-c34d35e503cb
Unpacked files
SH256 hash:
b9c0836ed32ae671c14f95119cf04ea5665c3b72b80db8282ce83d8c14dd1a81
MD5 hash:
3eb8679728d6733597cfc9327e2094cb
SHA1 hash:
d11cb28707c2f3bda91276cbc99093e335d1d6f7
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/4d4ff0f6-a65c-401b-94c1-33cd59a78923/
Parent samples :
a0add2ff01fd0b1c7a259a9b0f0bdee713a7edbbf12fa18820fc95a373254e3b
f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d
SH256 hash:
f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d
MD5 hash:
8f51409e0119d80da56d1bcddbe960b7
SHA1 hash:
5ddf8d0198b0646472038f887caaee50f35f4f2e
Link:
https://www.unpac.me/results/4d4ff0f6-a65c-401b-94c1-33cd59a78923/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f7d5e31a90a7/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/f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

MarsStealer

Executable exe f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3187731/

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 (GUARD_CF)high

Comments