MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 661a2b6049a9d139ab8ae094b25ea0cfd3f24e7aa18190ae11e23f9e97753899. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 661a2b6049a9d139ab8ae094b25ea0cfd3f24e7aa18190ae11e23f9e97753899
SHA3-384 hash: 146a7f0f4c016d1442ce024484e86b2ae1249071695536efcedc8b5d3672ba7341005316e718916fe2375d7d8e91d511
SHA1 hash: 2ad7d52a12f896817edfe511ec26212580dc5958
MD5 hash: f727c0754ddda4ed6354375ab748735b
humanhash: enemy-summer-asparagus-bakerloo
File name:SecuriteInfo.com.Trojan.Siggen27.2545.14164.26978
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:381'952 bytes
First seen:2024-03-19 19:34:43 UTC
Last seen:2024-03-19 20:19:48 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 6144:jDDVjYjHaWUpUL/D70J/t3VWMu/RuwtYULAFzcZjSwBJFryh4jSc57cmYV5Yv4Xc:/DVjYraWUpUrD7sNQMu/YNzcnBJhjSA7
TLSH T19484D0393EDCE517CAC843F994D250A287F1BA12B557EBCB644696F436723A04E1321F
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4504/4/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter SecuriteInfoCom
Tags:exe PureLogStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
363
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
661a2b6049a9d139ab8ae094b25ea0cfd3f24e7aa18190ae11e23f9e97753899.exe
Verdict:
Malicious activity
Analysis date:
2024-03-19 19:36:32 UTC
Tags:
loader
Link:
https://app.any.run/tasks/0bb9ea06-eb94-402f-98fe-dec96554c642

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Siggen27.2545.14164.26978.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65f9e8e7869de776ad045bd0/reports/7b666f09-4196-4e99-9d53-a6b1a23022fb/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/661a2b6049a9d139ab8ae094b25ea0cfd3f24e7aa18190ae11e23f9e97753899
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:
Unknown
Link:
https://analyze.intezer.com/analyses/df4f90a9-bd0a-4cde-927e-23ed2ba1164c
Result
Threat name:
PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1411991
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
PE file contains section with special chars
Powershell drops PE file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Invoke-WebRequest Execution
Snort IDS alert for network traffic
Suspicious powershell command line found
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1411991 Sample: SecuriteInfo.com.Trojan.Sig... Startdate: 19/03/2024 Architecture: WINDOWS Score: 100 61 Snort IDS alert for network traffic 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 67 12 other signatures 2->67 9 SecuriteInfo.com.Trojan.Siggen27.2545.14164.26978.exe 3 2->9         started        12 powershell.exe 2->12         started        14 powershell.exe 2->14         started        16 2 other processes 2->16 process3 signatures4 79 Suspicious powershell command line found 9->79 81 Adds a directory exclusion to Windows Defender 9->81 18 powershell.exe 15 17 9->18         started        22 powershell.exe 22 9->22         started        25 powershell.exe 23 9->25         started        27 dllhost.exe 9->27         started        29 conhost.exe 12->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        35 conhost.exe 16->35         started        process5 dnsIp6 57 193.222.96.225, 49699, 49700, 80 SWISSCOMSwisscomSwitzerlandLtdCH Germany 18->57 55 C:\Users\user\AppData\Roaming\WmiPrvSE.exe, PE32 18->55 dropped 37 WmiPrvSE.exe 15 5 18->37         started        41 conhost.exe 18->41         started        69 Powershell drops PE file 22->69 43 conhost.exe 22->43         started        45 conhost.exe 25->45         started        file7 signatures8 process9 dnsIp10 59 45.148.244.112, 49701, 49702, 49703 VMAGE-ASRU Russian Federation 37->59 71 Multi AV Scanner detection for dropped file 37->71 73 Machine Learning detection for dropped file 37->73 75 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 37->75 77 Adds a directory exclusion to Windows Defender 37->77 47 powershell.exe 37->47         started        49 powershell.exe 37->49         started        signatures11 process12 process13 51 conhost.exe 47->51         started        53 conhost.exe 49->53         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/661a2b6049a9d139ab8ae094b25ea0cfd3f24e7aa18190ae11e23f9e97753899
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/661a2b6049a9d139ab8ae094b25ea0cfd3f24e7aa18190ae11e23f9e97753899/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-03-02 19:15:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=myncwycjvhittk4k4cklexvaz7j7ett2ugazblqr4i7z5f3vhcmq._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat persistence rat
Link:
https://tria.ge/reports/240319-yanpnsea9y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
.NET Reactor proctector
Executes dropped EXE
Blocklisted process makes network request
Downloads MZ/PE file
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
661a2b6049a9d139ab8ae094b25ea0cfd3f24e7aa18190ae11e23f9e97753899
MD5 hash:
f727c0754ddda4ed6354375ab748735b
SHA1 hash:
2ad7d52a12f896817edfe511ec26212580dc5958
Link:
https://www.unpac.me/results/8166d485-3af9-4fb1-a5a1-18c3e218c04b/
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/661a2b6049a9d139ab8ae094b25ea0cfd3f24e7aa18190ae11e23f9e97753899

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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 661a2b6049a9d139ab8ae094b25ea0cfd3f24e7aa18190ae11e23f9e97753899

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2787073/
  
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