MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f3b669882cbc3302feae900aaeb4abd04f613eb58b43428aff8bf222dd731cb. 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


Stealc


Vendor detections: 16


Intelligence 16 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f3b669882cbc3302feae900aaeb4abd04f613eb58b43428aff8bf222dd731cb
SHA3-384 hash: e85b693117c8cc19b6c9e855bb604e4c357fb59e52cda82322f4012d2749242510035a64f716f22b5a7f1cabc7aa243c
SHA1 hash: 0762e86ff05d70a1cc669d5b277b878e0f35eb73
MD5 hash: 8ba319b5aa6e087e2e775d4a5bd071d4
humanhash: virginia-nevada-wyoming-skylark
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:368'128 bytes
First seen:2024-09-24 21:01:04 UTC
Last seen:2024-09-24 21:18:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f191e24764ac2972e2c40e13c71b6d0d (4 x GCleaner, 2 x Stealc, 1 x Smoke Loader)
ssdeep 3072:9LUwaFRgk97AiqvhDq7FPCwYja96ZlFcAdTrbjlBFvdtIvxAkhTn5zXVYz3M5NUc:9LU7f3Wh27NFOflr/l7d+vtFYc5Oi
TLSH T193745BB26AF47C15EEA6E7758E2982DC676FBC526E30524E3250BE0F19337B1C512312
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 12716d4cfcc4d4c4 (1 x Stealc, 1 x Socks5Systemz)
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://185.215.113.103/steam/random.exe

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://185.215.113.37/e2b1563c6670f193.php https://threatfox.abuse.ch/ioc/1328966/

Intelligence

File Origin
# of uploads :
4
# of downloads :
457
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-24 21:03:14 UTC
Tags:
stealer stealc loader
Link:
https://app.any.run/tasks/cc59c256-5a9a-4050-b0c2-dd92d47b03b7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.6831.15917.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f328cc5346c7b922add431
Tags:
Infostealer Network Stealth Cobalt Lien Spam
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66f328cb32f56cd53484a683/reports/e5751349-7e35-4132-9dc0-af918e1d1069/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/8f3b669882cbc3302feae900aaeb4abd04f613eb58b43428aff8bf222dd731cb
Result
Verdict:
SUSPICIOUS
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/c3ce61d1-b9a3-405e-ade1-5e1b95c21f3e
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1517264
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted 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)
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)
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)
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: 1517264 Sample: file.exe Startdate: 24/09/2024 Architecture: WINDOWS Score: 100 44 Suricata IDS alerts for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 9 other signatures 2->50 6 file.exe 33 2->6         started        process3 dnsIp4 42 185.215.113.37, 49730, 80 WHOLESALECONNECTIONSNL Portugal 6->42 20 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 6->20 dropped 22 C:\Users\user\AppData\...\softokn3[1].dll, PE32 6->22 dropped 24 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 6->24 dropped 26 9 other files (none is malicious) 6->26 dropped 52 Detected unpacking (changes PE section rights) 6->52 54 Detected unpacking (overwrites its own PE header) 6->54 56 Tries to steal Mail credentials (via file / registry access) 6->56 58 7 other signatures 6->58 11 WerFault.exe 16 6->11         started        14 WerFault.exe 16 6->14         started        16 WerFault.exe 19 16 6->16         started        18 5 other processes 6->18 file5 signatures6 process7 file8 28 C:\ProgramData\Microsoft\...\Report.wer, Unicode 11->28 dropped 30 C:\ProgramData\Microsoft\...\Report.wer, Unicode 14->30 dropped 32 C:\ProgramData\Microsoft\...\Report.wer, Unicode 16->32 dropped 34 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->34 dropped 36 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->36 dropped 38 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->38 dropped 40 2 other malicious files 18->40 dropped
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8f3b669882cbc3302feae900aaeb4abd04f613eb58b43428aff8bf222dd731cb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f3b669882cbc3302feae900aaeb4abd04f613eb58b43428aff8bf222dd731cb/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-09-24 21:02:05 UTC
File Type:
PE (Exe)
Extracted files:
69
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r45wngeczpbtal7k5eakv22kxucpme7llc2dikfp7c7seloxghfq._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
shellcode_loader_002
Create hunting rule
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:save credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240924-zve4psycja/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Program crash
System Location Discovery: System Language Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
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
Stealc
Malware Config
C2 Extraction:
http://185.215.113.37
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/c3133197-7022-4c96-b15b-f7ce8ab0f744
Unpacked files
SH256 hash:
d8546f99164fffd3bc7b952800f6b2464c2274a9ecea6189917cb8d5aceba451
MD5 hash:
f16af90f3657d850ff54444e057d3be2
SHA1 hash:
4e372737fb2e6cdbe47200577f9ed02304c77197
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/d2f24518-b05f-4dfa-a89e-509e6c980b1f/
Parent samples :
8f3b669882cbc3302feae900aaeb4abd04f613eb58b43428aff8bf222dd731cb
5dea0d7ca0ceda1a20692bb09d5809b654729f6e790a29be3cd85366e361641c
afabd219f0d644da4f9542932cbb5afcbcb0c66a2302c2353bb89447104cbb93
e7d6fc3e8c20d867d0f36ea1f614881a748db6fd4cdd42c5dc98a4a0c2790792
040a58a233ddf5f6bf49e3b5bd4a4fe5d8ae1d764e698b446ca08776863aafc4
4f363d41d1e54162264275eb262685aa6508af2edfb2af7a1b1b95034ffa63ee
6b23abaea95768da8ce9fc5be1df50971eba79d76a53b7ad8cf62386be4ae8aa
2cef6d9917bbccdc5ffffbf7b687da70e673f3a5dc6923c715e4fc50e0115e17
76198db64bf16862b47203d12c9b9e3db2474b148cc79030a693a8dc281c1ccb
f6a3509d62ecfb46306ab67cd75d4addb466cdd9a76782889110ce50acd5f369
SH256 hash:
3986363fb8deb6927a153051c4d412001481d4cb60a113261c0e0402238bfef9
MD5 hash:
f5aa858b2cbbb784ca62b8891c9f557e
SHA1 hash:
f45f07667a035a43b06a5f43755e249a67a01f67
Link:
https://www.unpac.me/results/d2f24518-b05f-4dfa-a89e-509e6c980b1f/
SH256 hash:
8f3b669882cbc3302feae900aaeb4abd04f613eb58b43428aff8bf222dd731cb
MD5 hash:
8ba319b5aa6e087e2e775d4a5bd071d4
SHA1 hash:
0762e86ff05d70a1cc669d5b277b878e0f35eb73
Link:
https://www.unpac.me/results/d2f24518-b05f-4dfa-a89e-509e6c980b1f/
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/8f3b669882cbc3302feae900aaeb4abd04f613eb58b43428aff8bf222dd731cb

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

Stealc

Executable exe 8f3b669882cbc3302feae900aaeb4abd04f613eb58b43428aff8bf222dd731cb

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3182950/

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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::ObjectPrivilegeAuditAlarmA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::FillConsoleOutputCharacterA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleOutputA
KERNEL32.dll::SetConsoleMode
KERNEL32.dll::SetConsoleTitleA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExA
KERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileA
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceA
WIN_TIME_APICan Modify TimeKERNEL32.dll::SetSystemTimeAdjustment

Comments