MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65a1e79c969feffa12cec0fafc652d612e1a9fe55f18dfe2200ef57ed5cf6310. 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



PureLogsStealer


Vendor detections: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 65a1e79c969feffa12cec0fafc652d612e1a9fe55f18dfe2200ef57ed5cf6310
SHA3-384 hash: c89c3219eec0ce30df5efde6351f0e3f58ccaf0401d270d952f3e1ece0fb9c2e119543b8dd0c8bb84940882530f563e1
SHA1 hash: 46e24e9ccc54c30405c50e29ae72c0d31220ba2e
MD5 hash: 90d9ef26e134b9a860b6656e24b2deaf
humanhash: oklahoma-diet-don-social
File name:90d9ef26e134b9a860b6656e24b2deaf.exe
Download: download sample
Signature PureLogsStealer
File size:371'713 bytes
First seen:2024-04-02 18:13:57 UTC
Last seen:2024-04-02 19:32:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c75f45a03d3400ccfa6b600376f72245 (1 x PureLogsStealer)
ssdeep 6144:1Zb3D3+Smmo46mYqTXePdAEodIvAPUv0V4A6Djj1vnAjPIRzEB1eHCXi/+HmvDWE:v7D3hm9478A6vA4md6Djj14jeEBYiO7n
TLSH T17D84E00176E3C031F2A294745878CBA14E7FFD626EB581CFF6842B6B6E712C05A35762
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)
File icon (PE):PE icon
dhash icon 5bb27e626ab2530a (6 x Stealc, 3 x LummaStealer, 1 x Glupteba)
Reporter abuse_ch
Tags:exe PureLogStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
320
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
65a1e79c969feffa12cec0fafc652d612e1a9fe55f18dfe2200ef57ed5cf6310.exe
Verdict:
Malicious activity
Analysis date:
2024-04-02 18:16:41 UTC
Tags:
loader stealer stealc

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

Behaviour
Sending an HTTP GET request to an infection source
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Creating a window
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed
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:
Mars Stealer, PureLog Stealer, Stealc, V
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Checks if the current machine is a virtual machine (disk enumeration)
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
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 Generic Downloader
Yara detected Mars stealer
Yara detected PureLog Stealer
Yara detected Stealc
Yara detected Vidar stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1418963 Sample: MdJeXlPRSc.exe Startdate: 02/04/2024 Architecture: WINDOWS Score: 100 61 westus2-2.in.applicationinsights.azure.com 2->61 63 westus2-2.in.ai.privatelink.monitor.azure.com 2->63 65 2 other IPs or domains 2->65 87 Snort IDS alert for network traffic 2->87 89 Found malware configuration 2->89 91 Malicious sample detected (through community Yara rule) 2->91 93 15 other signatures 2->93 11 MdJeXlPRSc.exe 1 3 2->11         started        signatures3 process4 dnsIp5 69 185.172.128.90, 49730, 80 NADYMSS-ASRU Russian Federation 11->69 71 185.172.128.144, 49733, 80 NADYMSS-ASRU Russian Federation 11->71 73 185.172.128.65, 49731, 49732, 49757 NADYMSS-ASRU Russian Federation 11->73 53 C:\Users\user\AppData\Local\Temp\u59o.1.exe, PE32 11->53 dropped 55 C:\Users\user\AppData\Local\Temp\u59o.0.exe, PE32 11->55 dropped 107 Detected unpacking (changes PE section rights) 11->107 109 Detected unpacking (overwrites its own PE header) 11->109 16 u59o.0.exe 78 11->16         started        21 u59o.1.exe 14 8 11->21         started        23 WerFault.exe 21 16 11->23         started        file6 signatures7 process8 dnsIp9 57 185.172.128.209, 49734, 80 NADYMSS-ASRU Russian Federation 16->57 45 C:\Users\user\AppData\...\CAAAAFBKFI.exe, PE32 16->45 dropped 47 C:\Users\user\AppData\...\softokn3[1].dll, PE32 16->47 dropped 49 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 16->49 dropped 51 11 other files (7 malicious) 16->51 dropped 77 Detected unpacking (changes PE section rights) 16->77 79 Detected unpacking (overwrites its own PE header) 16->79 81 Tries to steal Mail credentials (via file / registry access) 16->81 85 7 other signatures 16->85 25 cmd.exe 16->25         started        28 WerFault.exe 16->28         started        59 svc.iolo.com 20.157.87.45, 49735, 49753, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 21->59 83 Checks if the current machine is a virtual machine (disk enumeration) 21->83 30 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 14 12 21->30         started        file10 signatures11 process12 signatures13 97 Uses ping.exe to sleep 25->97 99 Uses ping.exe to check the status of other devices and networks 25->99 32 CAAAAFBKFI.exe 25->32         started        35 conhost.exe 25->35         started        101 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 30->101 103 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 30->103 105 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 30->105 process14 signatures15 75 Multi AV Scanner detection for dropped file 32->75 37 cmd.exe 32->37         started        process16 signatures17 95 Uses ping.exe to sleep 37->95 40 PING.EXE 37->40         started        43 conhost.exe 37->43         started        process18 dnsIp19 67 2.2.2.2 FranceTelecom-OrangeFR France 40->67
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-04-02 13:07:32 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
27 of 36 (75.00%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc family:zgrat discovery rat spyware stealer
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Enumerates physical storage devices
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
Detect ZGRat V1
Stealc
ZGRat
Malware Config
C2 Extraction:
http://185.172.128.209
Unpacked files
SH256 hash:
929c311d58965ae456d96ca118fb7fcabf98699e02d30e0913ddf08a06e8d0c4
MD5 hash:
08aaaa25ef78eff19a96c02905e84004
SHA1 hash:
6940d4f0b6426d28d6f6821c2d531343eedb121d
SH256 hash:
65a1e79c969feffa12cec0fafc652d612e1a9fe55f18dfe2200ef57ed5cf6310
MD5 hash:
90d9ef26e134b9a860b6656e24b2deaf
SHA1 hash:
46e24e9ccc54c30405c50e29ae72c0d31220ba2e
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

PureLogsStealer

Executable exe 65a1e79c969feffa12cec0fafc652d612e1a9fe55f18dfe2200ef57ed5cf6310

(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 (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::FindNextVolumeMountPointA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleOutputA
KERNEL32.dll::SetConsoleDisplayMode
KERNEL32.dll::SetConsoleTitleA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesLengthW
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpAddRequestHeaders
WINHTTP.dll::WinHttpReadData

Comments