MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 224a4f5de098684e12b95521f9015f642357581c70c8b9702ca325c581e7fb88. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 224a4f5de098684e12b95521f9015f642357581c70c8b9702ca325c581e7fb88
SHA3-384 hash: 3de68e2fffd0c41ea94d7480ece847e157da29eff3b3a85fd52df200e54131ae8de78dc94db5c77134a91d552624e6cf
SHA1 hash: 85e9d63b07aa567c506fc01292e14017e336b979
MD5 hash: 52534fd1e093915e22390441c70b6c23
humanhash: ceiling-burger-failed-lion
File name:Oosuddwyn.exe
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:647'168 bytes
First seen:2024-03-05 19:42:23 UTC
Last seen:2024-03-05 21:32:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:Ifefc5kDfVu/z20sPb8WF+dDmVvHEKciPBIaoa66n7VjhTPO5FFFJ:I+ZVaz298WtVvkKcoBDovYhjhTPO5Fb
TLSH T1BED433D18A8EDC65D8C774B2032F8A7DE4F1D6AD394172611D4A198F402C3E67B2FA1B
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)
Reporter 1ZRR4H
Tags:exe PureLogStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
338
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
xmrig
Create hunting rule
ID:
1
File name:
224a4f5de098684e12b95521f9015f642357581c70c8b9702ca325c581e7fb88.exe
Verdict:
Malicious activity
Analysis date:
2024-03-05 19:46:27 UTC
Tags:
pureloader purecrypter loader miner pureminer zgrat xmrig
Link:
https://app.any.run/tasks/68c8bede-e29a-4600-b55a-b70e65a28520

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2147.26259.28316.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file
Forced system process termination
Creating a process from a recently created file
Launching a process
Connection attempt
Using the Windows Management Instrumentation requests
Deleting a recently created file
Creating a window
Sending a custom TCP request
Connection attempt to an infection source
Sending an HTTP GET request
Searching for synchronization primitives
Creating a service
Launching a service
Loading a system driver
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun for a service
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65e775c73b77ec652566259d/reports/5a466e20-4410-4526-8e47-fc88ab033e73/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/224a4f5de098684e12b95521f9015f642357581c70c8b9702ca325c581e7fb88
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/6aff2ea6-6638-4280-ba2d-8a4a1f7ce199
Result
Threat name:
PureLog Stealer, Xmrig, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1403659
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
Detected Stratum mining protocol
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Xmrig
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 Costura Assembly Loader
Yara detected PersistenceViaHiddenTask
Yara detected PureLog Stealer
Yara detected Xmrig cryptocurrency miner
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1403659 Sample: Oosuddwyn.exe Startdate: 05/03/2024 Architecture: WINDOWS Score: 100 31 s3.filebin.net 2->31 33 pong.filebin.net 2->33 35 filebin.net 2->35 41 Sigma detected: Xmrig 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 16 other signatures 2->47 8 TypeId.exe 3 2->8         started        11 Oosuddwyn.exe 6 2->11         started        14 powershell.exe 23 2->14         started        16 TypeId.exe 2->16         started        signatures3 process4 file5 59 Antivirus detection for dropped file 8->59 61 Multi AV Scanner detection for dropped file 8->61 63 Machine Learning detection for dropped file 8->63 67 3 other signatures 8->67 18 AddInUtil.exe 16 2 8->18         started        29 C:\Users\user\AppData\Roaming\...\TypeId.exe, PE32+ 11->29 dropped 65 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->65 22 WmiPrvSE.exe 14->22         started        24 conhost.exe 14->24         started        signatures6 process7 dnsIp8 37 62.133.61.188, 39001, 49699, 49700 FIRSTDC-ASRU Russian Federation 18->37 39 pong.filebin.net 88.99.137.18, 443, 49701, 49703 HETZNER-ASDE Germany 18->39 49 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 18->49 51 Found strings related to Crypto-Mining 18->51 53 Writes to foreign memory regions 18->53 57 2 other signatures 18->57 26 AddInProcess.exe 18->26         started        signatures9 55 Detected Stratum mining protocol 37->55 process10 signatures11 69 Query firmware table information (likely to detect VMs) 26->69
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/224a4f5de098684e12b95521f9015f642357581c70c8b9702ca325c581e7fb88
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/224a4f5de098684e12b95521f9015f642357581c70c8b9702ca325c581e7fb88/
Threat name:
ByteCode-MSIL.Trojan.Bsymem
Create hunting rule
Status:
Malicious
First seen:
2024-03-05 19:43:06 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ejfe6xpatbue4evzkuq7sak7mqrvowa4odels4bmums4laph7oea._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:xmrig family:zgrat miner rat
Link:
https://tria.ge/reports/240305-ye8kmsfd9s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in System32 directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
XMRig Miner payload
Detect ZGRat V1
ZGRat
xmrig
Unpacked files
SH256 hash:
224a4f5de098684e12b95521f9015f642357581c70c8b9702ca325c581e7fb88
MD5 hash:
52534fd1e093915e22390441c70b6c23
SHA1 hash:
85e9d63b07aa567c506fc01292e14017e336b979
Link:
https://www.unpac.me/results/e7046645-200f-4442-a797-c99b8801765a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/224a4f5de098/report/overview.html
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/224a4f5de098684e12b95521f9015f642357581c70c8b9702ca325c581e7fb88

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
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Web download

PureLogsStealer

Executable exe 224a4f5de098684e12b95521f9015f642357581c70c8b9702ca325c581e7fb88

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2776797/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2776800/

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

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