MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5133abbc25855fdefac8783ff1c8ff0f62ba5e4076ec899604bdfe6552034fa9. 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 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5133abbc25855fdefac8783ff1c8ff0f62ba5e4076ec899604bdfe6552034fa9
SHA3-384 hash: 7934bf2e69b67d87971058ca5f3e7eeed11b0492188c8443ba822a65dff1fe80d79d8e41393b61c113c6089c4f93cf31
SHA1 hash: e8527f50e165dd3889802fbcc4f7356a8ba51c8f
MD5 hash: 6e6ff2c908499222378139f585d7254c
humanhash: glucose-romeo-fifteen-muppet
File name:6e6ff2c908499222378139f585d7254c.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:238'080 bytes
First seen:2024-03-27 21:05:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3bc59a60c073310d0cc494c9741c5c11 (1 x Stealc)
ssdeep 3072:vezVcCPMAadbRYgo3/cegMGQP9QRVeqxPnim2sgNRPAT5vSyBTuEv:vUc4MzbRYgoEejGS9MzEjNiTt5BTF
TLSH T19434CF2131F0D431D16B9E3378649BB10A3AB9725B7842C733A5AE6E6E713D1CA36317
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)
File icon (PE):PE icon
dhash icon 3370e4d2ccf0335a (5 x Stealc, 3 x RiseProStealer, 2 x UACModuleSmokeLoader)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.26/f993692117a3fda2.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
571
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
New Text Document.bin.exe
Verdict:
Malicious activity
Analysis date:
2024-03-27 21:24:04 UTC
Tags:
loader hausbomber stealer stealc opendir redline amadey botnet
Link:
https://app.any.run/tasks/145353c7-54d1-4f9c-800c-a310f4f207bc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Launching the default Windows debugger (dwwin.exe)
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint
Link:
https://www.filescan.io/uploads/66048a3c1c5277edcec25425/reports/dcd82413-80dc-4645-a4b5-47d89148ca0d/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/5133abbc25855fdefac8783ff1c8ff0f62ba5e4076ec899604bdfe6552034fa9
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/9c8d7eb2-a196-40b6-bc5d-8a8b19ec596b
Result
Threat name:
Mars Stealer, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1416756
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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)
Snort IDS alert 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 Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1416756 Sample: G2KdVscPB4.exe Startdate: 27/03/2024 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 10 other signatures 2->52 9 G2KdVscPB4.exe 77 2->9         started        process3 dnsIp4 40 185.172.128.26, 49704, 80 NADYMSS-ASRU Russian Federation 9->40 42 185.172.128.65, 49713, 80 NADYMSS-ASRU Russian Federation 9->42 32 C:\Users\user\AppData\...\KFBAECBAEG.exe, PE32 9->32 dropped 34 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->34 dropped 36 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 9->36 dropped 38 11 other files (7 malicious) 9->38 dropped 60 Detected unpacking (changes PE section rights) 9->60 62 Detected unpacking (overwrites its own PE header) 9->62 64 Tries to steal Mail credentials (via file / registry access) 9->64 66 7 other signatures 9->66 14 cmd.exe 1 9->14         started        17 WerFault.exe 19 16 9->17         started        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 19 KFBAECBAEG.exe 5 14->19         started        22 conhost.exe 14->22         started        process9 signatures10 54 Antivirus detection for dropped file 19->54 56 Multi AV Scanner detection for dropped file 19->56 24 cmd.exe 1 19->24         started        process11 signatures12 58 Uses ping.exe to sleep 24->58 27 PING.EXE 1 24->27         started        30 conhost.exe 24->30         started        process13 dnsIp14 44 2.2.2.2 FranceTelecom-OrangeFR France 27->44
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5133abbc25855fdefac8783ff1c8ff0f62ba5e4076ec899604bdfe6552034fa9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5133abbc25855fdefac8783ff1c8ff0f62ba5e4076ec899604bdfe6552034fa9/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-03-27 21:06:06 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kez2xpbfqvp556wipa77dsh7b5rluxsao3witfqexx7gkuqdj6uq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/240327-zxqcfsfc6w/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates physical storage devices
Program crash
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
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://185.172.128.26
Unpacked files
SH256 hash:
0c16bb0b841ef221b578ecdd456bfcd9938c9db5d649806f6494606fcedaa149
MD5 hash:
2fe1b7efc28d2aacc955c1c001499420
SHA1 hash:
ba809e8d95086b7a4d6da778993fd8fe4d7975bd
Detections:
stealc
Create hunting rule
win_stealc_auto
Create hunting rule
Link:
https://www.unpac.me/results/9e26ef7a-b609-40cc-a54d-c1087e1b434d/
Parent samples :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 hash:
5133abbc25855fdefac8783ff1c8ff0f62ba5e4076ec899604bdfe6552034fa9
MD5 hash:
6e6ff2c908499222378139f585d7254c
SHA1 hash:
e8527f50e165dd3889802fbcc4f7356a8ba51c8f
Link:
https://www.unpac.me/results/9e26ef7a-b609-40cc-a54d-c1087e1b434d/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5133abbc2585/report/overview.html
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:infostealer_win_stealc_standalone
Create hunting rule
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Stealc_str
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Stealc_b8ab9ab5
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
Rule name:win_stealc_w0
Create hunting rule
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

File information

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

Web download

Stealc

Executable exe 5133abbc25855fdefac8783ff1c8ff0f62ba5e4076ec899604bdfe6552034fa9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2754939/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2793509/
  
URLhaus
https://urlhaus.abuse.ch/url/2787085/

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
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleTitleA
KERNEL32.dll::SetConsoleTitleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpAddRequestHeaders
WINHTTP.dll::WinHttpOpen
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyW
WIN_TIME_APICan Modify TimeKERNEL32.dll::SetSystemTime

Comments