MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24. 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 8 File information Comments

SHA256 hash: 743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24
SHA3-384 hash: 453f57238df44e11dd174a16c83da68e57105431e98cd2f001d23529374eadfd7833c5f94f09718560ad370ef70f5de4
SHA1 hash: d87cb53b2b10d804721c80894bccbc989df5acae
MD5 hash: cd6646d9eddb6ed8900b5bd9da0597f2
humanhash: fillet-magazine-skylark-potato
File name:SecuriteInfo.com.Win32.PWSX-gen.10451.24033
Download: download sample
Signature MarsStealer
File size:212'008 bytes
First seen:2024-09-15 16:27:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 3072:yUd26oMw93Ix61HeP3OYfMylQR3iVhMQzQOKYTQ6GFaAio+qrOeJFhc7aKIC+zcX:9b+ZebiQkCQj0Lde6OKIPcOwDEO
TLSH T1FD24123166848F51EFEB0FB0A68FA321EDB067147691979B364DA6060B0239015F57FD
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 SecuriteInfoCom
Tags:exe MarsStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
364
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
redline
ID:
1
File name:
streetfighterchampioneditionmodapk8.7z
Verdict:
Malicious activity
Analysis date:
2024-09-15 20:02:56 UTC
Tags:
evasion privateloader stealer opendir loader payload stealc metastealer redline cryptbot netreactor lumma upx miner vidar telegram crypto-regex risepro socks5systemz proxy g0njxa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
Encryption Static Stealc
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed stealc
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.
Result
Threat name:
LummaC, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
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)
Writes to foreign memory regions
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1511540 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 15/09/2024 Architecture: WINDOWS Score: 100 53 stitchmiscpaew.shop 2->53 55 preachstrwnwjw.shop 2->55 57 9 other IPs or domains 2->57 73 Multi AV Scanner detection for domain / URL 2->73 75 Suricata IDS alerts for network traffic 2->75 77 Found malware configuration 2->77 79 13 other signatures 2->79 10 SecuriteInfo.com.Win32.PWSX-gen.10451.24033.exe 2 2->10         started        signatures3 process4 file5 37 SecuriteInfo.com.W...10451.24033.exe.log, ASCII 10->37 dropped 89 Contains functionality to inject code into remote processes 10->89 91 Writes to foreign memory regions 10->91 93 Allocates memory in foreign processes 10->93 95 Injects a PE file into a foreign processes 10->95 14 RegAsm.exe 39 10->14         started        19 conhost.exe 10->19         started        signatures6 process7 dnsIp8 59 46.8.231.109, 49709, 80 FIORD-ASIP-transitoperatorinRussiaUkraineandBaltics Russian Federation 14->59 61 brasstech.in 192.185.139.21, 443, 49711 UNIFIEDLAYER-AS-1US United States 14->61 63 147.45.44.104, 49710, 80 FREE-NET-ASFREEnetEU Russian Federation 14->63 39 C:\Users\user\AppData\...\vnfdamfs[1].exe, PE32 14->39 dropped 41 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->41 dropped 43 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 14->43 dropped 45 13 other files (9 malicious) 14->45 dropped 65 Tries to steal Mail credentials (via file / registry access) 14->65 67 Tries to harvest and steal ftp login credentials 14->67 69 Tries to harvest and steal browser information (history, passwords, etc) 14->69 71 4 other signatures 14->71 21 cmd.exe 1 14->21         started        23 cmd.exe 2 14->23         started        file9 signatures10 process11 process12 25 userJKKFIIEBKE.exe 2 21->25         started        28 conhost.exe 21->28         started        30 conhost.exe 23->30         started        signatures13 81 Multi AV Scanner detection for dropped file 25->81 83 Writes to foreign memory regions 25->83 85 Allocates memory in foreign processes 25->85 87 2 other signatures 25->87 32 RegAsm.exe 25->32         started        35 conhost.exe 25->35         started        process14 dnsIp15 47 basedsymsotp.shop 104.21.78.130, 443, 49713 CLOUDFLARENETUS United States 32->47 49 stitchmiscpaew.shop 172.67.136.135, 443, 49721 CLOUDFLARENETUS United States 32->49 51 3 other IPs or domains 32->51
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-09-15 15:11:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:lumma family:stealc family:vidar botnet:default credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
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
Checks installed software on the system
Checks computer location settings
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://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
https://complainnykso.shop/api
https://basedsymsotp.shop/api
https://charistmatwio.shop/api
https://grassemenwji.shop/api
https://stitchmiscpaew.shop/api
https://commisionipwn.shop/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e0092d9787dcdc6444342b6be1c84fcbcfbff52110577599db455a61f3f981da
MD5 hash:
db0fabbc7f075bc72451ee8335303820
SHA1 hash:
f50039646ac66e3e3e044ab2f8aac65941a2716d
Detections:
stealc
SH256 hash:
743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24
MD5 hash:
cd6646d9eddb6ed8900b5bd9da0597f2
SHA1 hash:
d87cb53b2b10d804721c80894bccbc989df5acae
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Detect_APT29_WINELOADER_Backdoor
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
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 743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24

(this sample)

  
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 (GUARD_CF)high

Comments