MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3ebf4be0b4811457b9e366c08c5543ae9904dc028417aa378095ca9c8036984. 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 9 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3ebf4be0b4811457b9e366c08c5543ae9904dc028417aa378095ca9c8036984
SHA3-384 hash: 5d89c15d176eeb2dd47b3b0dade589751ddee85593f8b20869554f5b4757d4a4e3037cfddfbb85bceb2369b338f6f364
SHA1 hash: 89013252009fb87d3426e2af410262c60e6b580a
MD5 hash: 9281e132092aa6f21a89301ade20ab55
humanhash: lake-burger-fillet-ohio
File name:9281e132092aa6f21a89301ade20ab55
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:5'472'312 bytes
First seen:2024-02-26 09:30:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 49152:/A9/U293yDrnaUOIHYwoSVxYLpUwtI/zg7/r:t293yDrnaUOGYcuKD/Sr
Threatray 160 similar samples on MalwareBazaar
TLSH T199464B01FFFA5E8AC246177F895345D762A6E9CC9343EB2F069CE91F1D007492E992C2
TrID 70.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.ICL) Windows Icons Library (generic) (2059/9)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:64 exe PureLogStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
327
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/477778/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
Create hunting rule

Win.Trojan.EmbeddedReversedDLL-9940922-0
Create hunting rule

Win.Trojan.Generic-10014419-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
keylogger overlay packed
Link:
https://www.filescan.io/uploads/65dc5a59e304215defb7d727/reports/1e34a1cf-64d2-4138-b868-cabf79006234/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c3ebf4be0b4811457b9e366c08c5543ae9904dc028417aa378095ca9c8036984
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/021da78e-3552-494d-8f86-a8cf0d396950
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1398629
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
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)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1398629 Sample: 1ob1Rb5Oz1.exe Startdate: 26/02/2024 Architecture: WINDOWS Score: 100 40 gamemodz.duckdns.org 2->40 58 Multi AV Scanner detection for domain / URL 2->58 60 Antivirus detection for URL or domain 2->60 62 Multi AV Scanner detection for submitted file 2->62 66 8 other signatures 2->66 9 TypeId.exe 1 2->9         started        12 1ob1Rb5Oz1.exe 1 2->12         started        14 TypeId.exe 2->14         started        16 2 other processes 2->16 signatures3 64 Uses dynamic DNS services 40->64 process4 signatures5 68 Multi AV Scanner detection for dropped file 9->68 70 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 9->70 72 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->72 18 TypeId.exe 2 9->18         started        74 Modifies the context of a thread in another process (thread injection) 12->74 76 Injects a PE file into a foreign processes 12->76 21 1ob1Rb5Oz1.exe 6 12->21         started        24 TypeId.exe 14->24         started        78 Potential dropper URLs found in powershell memory 16->78 26 conhost.exe 16->26         started        28 conhost.exe 16->28         started        30 WmiPrvSE.exe 16->30         started        process6 file7 50 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 18->50 52 Writes to foreign memory regions 18->52 54 Modifies the context of a thread in another process (thread injection) 18->54 56 Injects a PE file into a foreign processes 18->56 32 InstallUtil.exe 1 18->32         started        38 C:\Users\user\AppData\Local\...\TypeId.exe, PE32+ 21->38 dropped signatures8 process9 signatures10 44 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 32->44 46 Modifies the context of a thread in another process (thread injection) 32->46 48 Injects a PE file into a foreign processes 32->48 35 InstallUtil.exe 32->35         started        process11 dnsIp12 42 gamemodz.duckdns.org 45.128.96.133, 49732, 49735, 49736 XXLNETNL Germany 35->42
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c3ebf4be0b4811457b9e366c08c5543ae9904dc028417aa378095ca9c8036984
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c3ebf4be0b4811457b9e366c08c5543ae9904dc028417aa378095ca9c8036984/
Threat name:
Win64.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-02-26 09:31:11 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
5
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ypv7jpqljaiuk646gzwarrkuhluzatoafbaxvi3ybfoktsadngca._file
Verdict:
malicious
Similar samples:
4acddc15352051552d4684fff6d07d18305cf7276d208adf7e2f59c5a70c909a
PureLogsStealer
552686b2265e72d6eb05add08edb3415b932393b65370d087660dff37d4616b8
PureLogsStealer
68d282c16c83a849e29fb395b3e1864c3df158edf47a92ffb078b81dcafd7888
PureLogsStealer
72f5f9230c025a393d1362241679fd0dd5c48b7e3786591f35b3f74eccf53978
PureLogsStealer
936b6537581510b28c42dfc24d97d1c668e12744942ac4ad723e4b66c43c68f8
PureLogsStealer
b12ca6670877a54a4762123516c35021e8ec9c5c231f31a134cde611fea65490
PureLogsStealer
d9112ca0fbd3b9456db0410639f4380531cc0cf60c736ebc13189ad0b917f102
PureLogsStealer
ddd3762a1f95e1f86b86a92e54f2d52b2e9b96499a6fdc07fab98813eeaca8a2
PureLogsStealer
+ 150 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat rat
Link:
https://tria.ge/reports/240226-lg2tnaaf3z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in System32 directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
c3ebf4be0b4811457b9e366c08c5543ae9904dc028417aa378095ca9c8036984
MD5 hash:
9281e132092aa6f21a89301ade20ab55
SHA1 hash:
89013252009fb87d3426e2af410262c60e6b580a
Detections:
Typical_Malware_String_Transforms
Create hunting rule
Link:
https://www.unpac.me/results/bc369c94-03c9-4db7-93f1-0b9f31599cc3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c3ebf4be0b48/report/overview.html
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

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

Web download

PureLogsStealer

Executable exe c3ebf4be0b4811457b9e366c08c5543ae9904dc028417aa378095ca9c8036984

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2770741/
Cape
Cape
https://www.capesandbox.com/analysis/477778/

Comments


Avatar
zbet commented on 2024-02-26 09:30:54 UTC

url : hxxp://23.224.102.6:8001/UcBzqWWaoI/RuntimeBroker.exe