MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5858838add411f77ea240aa078458b744e3d95597ab2e436ccfb43ed4604cbe. 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 6 File information Comments
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SHA256 hash: b5858838add411f77ea240aa078458b744e3d95597ab2e436ccfb43ed4604cbe
SHA3-384 hash: 7e88fd004da88b6e1c7b8037285a0558f3baaf5f48a7788dda1bc9bfa824e915324686263f9c44c329220454cfcb6b67
SHA1 hash: 6e724342395a34ddde7f97042808ab9c9f4a23d2
MD5 hash: f1e8bc7285deedad371203681fea9bd1
humanhash: carbon-harry-lion-kansas
File name:SecuriteInfo.com.Win32.PWSX-gen.6908.27329
Download: download sample
Signature MarsStealer
Create hunting rule
File size:285'696 bytes
First seen:2024-09-16 16:27:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4734f2f0fa85a969a5bf3e0ff5a41591 (1 x MarsStealer)
ssdeep 3072:BrqLIRQx/hK/7sLqpTQK+4z0jJgdg9qzRWMbiP8t7yFLar5ATcP9dg0y/RJ8vM:RqLIRQxCuztgHlW4rUpTIIT5Z
Threatray 442 similar samples on MalwareBazaar
TLSH T14F546B136EF59027E3F786304A31A6B8993BB8EABB70C05E1200769F7D316D1495E793
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 30d8c4ac8e86c020 (1 x MarsStealer)
Reporter SecuriteInfoCom
Tags:exe MarsStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
397
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
ca6e88be721f296d1829337f2abde379f09fef0e33dacf3eb2fe2a04aadf8dff
Verdict:
Malicious activity
Analysis date:
2024-09-16 12:31:07 UTC
Tags:
amadey botnet stealer loader metastealer redline themida stealc opendir smokeloader cryptbot payload zharkbot discord xor-url generic miner pastebin crypto-regex upx
Link:
https://app.any.run/tasks/0518ad83-f1d3-46c0-bbcd-b607ab936fff

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.6908.27329.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e85c9871e91b3281ba1138
Tags:
Infostealer Network Stealth Stealc
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed stealc
Link:
https://www.filescan.io/uploads/66e85c9ad2758b8668ba32b0/reports/f4cdc53e-6a14-40ca-9828-e2838f4578bc/overview
Verdict:
Malicious
Labled as:
Fragtor.Generic
Link:
https://www.hybrid-analysis.com/sample/b5858838add411f77ea240aa078458b744e3d95597ab2e436ccfb43ed4604cbe
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/5438e78b-311d-42ed-9141-d49eb9a94269
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1512047
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the document folder of the user
Drops PE files to the user root directory
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
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: 1512047 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 16/09/2024 Architecture: WINDOWS Score: 100 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 10 other signatures 2->54 9 SecuriteInfo.com.Win32.PWSX-gen.6908.27329.exe 50 2->9         started        process3 dnsIp4 44 62.204.41.159, 49700, 80 TNNET-ASTNNetOyMainnetworkFI United Kingdom 9->44 36 C:\Users\user\DocumentsCFBFCGIDAK.exe, PE32 9->36 dropped 38 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->38 dropped 40 C:\Users\user\AppData\Local\...\seed[1].exe, PE32 9->40 dropped 42 11 other files (none is malicious) 9->42 dropped 58 Detected unpacking (changes PE section rights) 9->58 60 Detected unpacking (overwrites its own PE header) 9->60 62 Drops PE files to the document folder of the user 9->62 64 8 other signatures 9->64 14 cmd.exe 9->14         started        17 WerFault.exe 16 9->17         started        19 WerFault.exe 16 9->19         started        21 10 other processes 9->21 file5 signatures6 process7 signatures8 68 Uses ping.exe to sleep 14->68 70 Uses ping.exe to check the status of other devices and networks 14->70 23 DocumentsCFBFCGIDAK.exe 14->23         started        26 conhost.exe 14->26         started        process9 signatures10 56 Multi AV Scanner detection for dropped file 23->56 28 cmd.exe 23->28         started        process11 signatures12 66 Uses ping.exe to sleep 28->66 31 PING.EXE 28->31         started        34 conhost.exe 28->34         started        process13 dnsIp14 46 2.2.2.2 FranceTelecom-OrangeFR France 31->46
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b5858838add411f77ea240aa078458b744e3d95597ab2e436ccfb43ed4604cbe
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5858838add411f77ea240aa078458b744e3d95597ab2e436ccfb43ed4604cbe/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-09-16 16:28:05 UTC
File Type:
PE (Exe)
Extracted files:
62
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wwcyqofn2qi7o7vcicvapbcyw5cohwkvs6vs4q3mz62d5vdajs7a._file
Verdict:
malicious
Similar samples:
07b8972ecab0d6a49d2319054d81a2b239a107b9f746f204bd47ed26f1cdafe9
MarsStealer
3f8dd2323ff45d0ca3690bf5bfe6d518f053ee9e15211cac230a9639ed712e6c
MarsStealer
5d7f8b38a4d31ff73c36b0d3d0bbd52b0de8574127bfdc22bae0b84e440c595b
MarsStealer
ecdb8210cf706d7c0650b25f83a28b63a08d8d9adecccd7d5ca87c177cacb1f8
MarsStealer
+ 432 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:default2_test credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240916-tynblaxend/
Behaviour
Checks processor information in registry
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
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
Stealc
Malware Config
C2 Extraction:
http://62.204.41.159
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/016d3671-0775-4204-9bb2-54457348d508
Unpacked files
SH256 hash:
9410dc28864f72987ee1964d52fd968ea29ca1ccd603f97125714554a7a3adb2
MD5 hash:
bc9ef35721bbe9338be628044567c3af
SHA1 hash:
7f6853328d88afb7818b7a40035fba38482049fe
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/b880dea4-38db-46e1-8201-2ec0c0343c12/
Parent samples :
b5858838add411f77ea240aa078458b744e3d95597ab2e436ccfb43ed4604cbe
d53c4a995faa78109768c67d7d71d933254dac22578f141850056568d3728b1c
62bc05bead2f2bc4d3e003c7460ec118a701ffcdfba314ee86377684f5482df0
SH256 hash:
b5858838add411f77ea240aa078458b744e3d95597ab2e436ccfb43ed4604cbe
MD5 hash:
f1e8bc7285deedad371203681fea9bd1
SHA1 hash:
6e724342395a34ddde7f97042808ab9c9f4a23d2
Link:
https://www.unpac.me/results/b880dea4-38db-46e1-8201-2ec0c0343c12/
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/b5858838add411f77ea240aa078458b744e3d95597ab2e436ccfb43ed4604cbe

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Create hunting rule

File information

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

Web download

MarsStealer

Executable exe b5858838add411f77ea240aa078458b744e3d95597ab2e436ccfb43ed4604cbe

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3176883/
  
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
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::FillConsoleOutputCharacterA
KERNEL32.dll::WriteConsoleOutputA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleTitleW
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceA

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