MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ea33dfd0e80f75db31401ac0a7402ec254c1f6be6445b3cc87433973b6f3fc2. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 8ea33dfd0e80f75db31401ac0a7402ec254c1f6be6445b3cc87433973b6f3fc2
SHA3-384 hash: 34c9b1c1c5b76ec127c73289ae27b971579e84224b5530b60cfd08747e67a1c533d28af6af4659fa98106e545258c315
SHA1 hash: e9929dee90cfd12cfe49bf6146101e8c310b5db2
MD5 hash: c4ce7109b1726ddb0f45b77316d3fc19
humanhash: sixteen-nevada-table-pluto
File name:c4ce7109b1726ddb0f45b77316d3fc19.exe
Download: download sample
Signature PureLogsStealer
File size:3'106'816 bytes
First seen:2024-04-28 14:54:46 UTC
Last seen:2024-04-28 15:37:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 49152:sTzNVCOWR7F0wDpFsCR5+ybqFDCCsM6uKOu5aAhOYCzvLZVyWwxXuRi4oaopn:SZ67F02FyyWccuFPavL7XCYihn
Threatray 517 similar samples on MalwareBazaar
TLSH T152E53303B6A9DC91CC3D4971C4A7C280A5F6EE04CD931BB37BA57BAD9DB2B404B4A315
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 30ccec30b2b23010 (2 x PureLogsStealer, 1 x njrat, 1 x zgRAT)
Reporter abuse_ch
Tags:exe PureLogStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
299
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8ea33dfd0e80f75db31401ac0a7402ec254c1f6be6445b3cc87433973b6f3fc2.exe
Verdict:
Malicious activity
Analysis date:
2024-04-28 14:56:44 UTC
Tags:
n/a

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

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file
Searching for the browser window
DNS request
Connection attempt
Sending a custom TCP request
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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:
PureLog Stealer
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops PE files to the document folder of the user
Drops PE files with benign system names
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara Genericmalware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1432952 Sample: i57Zp4S3le.exe Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 52 Antivirus detection for URL or domain 2->52 54 Antivirus detection for dropped file 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 13 other signatures 2->58 8 i57Zp4S3le.exe 7 2->8         started        12 svchost.exe 1 2 2->12         started        process3 dnsIp4 36 C:\Users\user\Documents\csrss.exe, PE32+ 8->36 dropped 38 C:\Users\user\AppData\Roaming\...\csrss.vbs, ASCII 8->38 dropped 60 Suspicious powershell command line found 8->60 62 Drops PE files to the document folder of the user 8->62 64 Drops VBS files to the startup folder 8->64 66 7 other signatures 8->66 15 powershell.exe 23 8->15         started        18 powershell.exe 23 8->18         started        20 dllhost.exe 8->20         started        22 8 other processes 8->22 46 127.0.0.1 unknown unknown 12->46 file5 signatures6 process7 signatures8 68 Loading BitLocker PowerShell Module 15->68 24 conhost.exe 15->24         started        26 WmiPrvSE.exe 15->26         started        28 chrome.exe 9 18->28         started        31 conhost.exe 18->31         started        process9 dnsIp10 48 192.168.2.5, 443, 49703, 49708 unknown unknown 28->48 50 239.255.255.250 unknown Reserved 28->50 33 chrome.exe 28->33         started        process11 dnsIp12 40 play.google.com 142.251.163.100, 443, 49744, 49780 GOOGLEUS United States 33->40 42 172.253.115.102, 443, 49775, 49787 GOOGLEUS United States 33->42 44 6 other IPs or domains 33->44
Threat name:
Win64.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-04-28 01:05:55 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
21
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat rat
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
8ea33dfd0e80f75db31401ac0a7402ec254c1f6be6445b3cc87433973b6f3fc2
MD5 hash:
c4ce7109b1726ddb0f45b77316d3fc19
SHA1 hash:
e9929dee90cfd12cfe49bf6146101e8c310b5db2
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
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

PureLogsStealer

Executable exe 8ea33dfd0e80f75db31401ac0a7402ec254c1f6be6445b3cc87433973b6f3fc2

(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