MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98a9021f55ec887a271dd6b5bef911bdbf09514530db7abdb887d5282aaf7631. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 98a9021f55ec887a271dd6b5bef911bdbf09514530db7abdb887d5282aaf7631
SHA3-384 hash: 70fb4cb478d4bc935050eb714ae58d49c6a9752dc285aee9c3742a02acf0e192be39e9d35fb04830951bbfe309e9f3ab
SHA1 hash: c1c4b8f8d3b8b692e76ed4f1df134b1c88694517
MD5 hash: 4e640bd1e98bec927682ac50f0d86e2a
humanhash: island-potato-missouri-ack
File name:SecuriteInfo.com.Win32.RansomX-gen.10689.14408
Download: download sample
Signature PureLogsStealer
File size:89'760 bytes
First seen:2024-04-21 13:20:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:Dr8EfosIBGf4spJKNvjiFQzXblXAorYfwJcxSTlWoJl0ovJvWR4jmft2Ib7ADUzh:DrRQsIsfLJKNb6ykDxSTlWoJl0ovJvWn
TLSH T1639331D1F24458A9EC1613F95C379D22109BBEAD98B28A1E249F77354FB339310A3D4B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 1664ec8c36c1958e (10 x AgentTesla, 2 x PureLogsStealer, 1 x Loki)
Reporter SecuriteInfoCom
Tags:exe PureLogStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
337
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
98a9021f55ec887a271dd6b5bef911bdbf09514530db7abdb887d5282aaf7631.exe
Verdict:
Malicious activity
Analysis date:
2024-04-21 13:23:04 UTC
Tags:
xworm

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
Moving a file to the Program Files subdirectory
Replacing files
Sending an HTTP GET request
Forced system process termination
Connection attempt to an infection source
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:
Generic Malware
Verdict:
Malicious
Result
Threat name:
PureLog Stealer, XWorm
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
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
Protects its processes via BreakOnTermination flag
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1429251 Sample: SecuriteInfo.com.Win32.Rans... Startdate: 21/04/2024 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 15 other signatures 2->57 8 SecuriteInfo.com.Win32.RansomX-gen.10689.14408.exe 16 5 2->8         started        13 daqfbrlrs.exe 14 3 2->13         started        15 daqfbrlrs.exe 2->15         started        process3 dnsIp4 49 5.34.182.232, 49733, 49740, 49741 ITLASUA Ukraine 8->49 45 C:\Users\user\AppData\Roaming\daqfbrlrs.exe, PE32 8->45 dropped 63 Bypasses PowerShell execution policy 8->63 65 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->65 67 Adds a directory exclusion to Windows Defender 8->67 17 SecuriteInfo.com.Win32.RansomX-gen.10689.14408.exe 6 8->17         started        69 Antivirus detection for dropped file 13->69 71 Multi AV Scanner detection for dropped file 13->71 73 Machine Learning detection for dropped file 13->73 22 daqfbrlrs.exe 13->22         started        75 Injects a PE file into a foreign processes 15->75 24 daqfbrlrs.exe 15->24         started        file5 signatures6 process7 dnsIp8 47 91.92.248.52, 49743, 49745, 49746 THEZONEBG Bulgaria 17->47 43 C:\Users\user\AppData\Roaming\XClient.exe, PE32 17->43 dropped 59 Protects its processes via BreakOnTermination flag 17->59 61 Adds a directory exclusion to Windows Defender 17->61 26 powershell.exe 23 17->26         started        29 powershell.exe 23 17->29         started        31 powershell.exe 17->31         started        33 powershell.exe 17->33         started        file9 signatures10 process11 signatures12 77 Loading BitLocker PowerShell Module 26->77 35 conhost.exe 26->35         started        37 conhost.exe 29->37         started        39 conhost.exe 31->39         started        41 conhost.exe 33->41         started        process13
Threat name:
Win32.Trojan.Casdet
Status:
Malicious
First seen:
2024-04-19 12:56:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:xworm family:zgrat persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Detect Xworm Payload
Detect ZGRat V1
Xworm
ZGRat
Malware Config
C2 Extraction:
91.92.248.52:7000
Unpacked files
SH256 hash:
98a9021f55ec887a271dd6b5bef911bdbf09514530db7abdb887d5282aaf7631
MD5 hash:
4e640bd1e98bec927682ac50f0d86e2a
SHA1 hash:
c1c4b8f8d3b8b692e76ed4f1df134b1c88694517
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_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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.

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