MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b4ca1dd5aeba2b42668b3b6fb98335f0a7d159d6db73da34f1060e0a917fee1. 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 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b4ca1dd5aeba2b42668b3b6fb98335f0a7d159d6db73da34f1060e0a917fee1
SHA3-384 hash: 46ae5b473b0affba4d306980b3e7bf829787d46988a766b4bd6ce79ab7da74916b6c9ca0acffbb6bcf3fe95ba70985fe
SHA1 hash: 619114cc039a566db875f31969cd7d4dce55316a
MD5 hash: 5bf2b0c12768773b74a2f9a59e738591
humanhash: tennis-fillet-robin-low
File name:5bf2b0c12768773b74a2f9a59e738591
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:6'479'928 bytes
First seen:2024-02-28 05:16:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 49152:t+IztrylrWY54hWt1BZDXShHpyhNYJOUwPWTtiVARI86069EL:tNztOMY5D1DvNYY5WTEiS7C
Threatray 1 similar samples on MalwareBazaar
TLSH T1FF66F812F6CA4DA2C546237BC59B0D6103B5F589A323FF0E364F632A5C53BBA9E48153
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 :
357
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4b4ca1dd5aeba2b42668b3b6fb98335f0a7d159d6db73da34f1060e0a917fee1.exe
Verdict:
Malicious activity
Analysis date:
2024-02-28 05:20:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/42f450d6-b21c-4cd0-a2f6-11ee956cf9ea

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/478080/
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

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
net_reactor overlay packed packed
Link:
https://www.filescan.io/uploads/65dec1d122703c3491b52145/reports/f4df87b8-f75f-441c-b285-ee3dbd5d8f6a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/4b4ca1dd5aeba2b42668b3b6fb98335f0a7d159d6db73da34f1060e0a917fee1
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/5c2cb615-7560-442a-8e22-ec047f339808
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1400043
Signature
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 AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1400043 Sample: UMZhX7311I.exe Startdate: 28/02/2024 Architecture: WINDOWS Score: 100 40 gamemodz.duckdns.org 2->40 42 fp2e7a.wpc.phicdn.net 2->42 44 fp2e7a.wpc.2be4.phicdn.net 2->44 52 Multi AV Scanner detection for domain / URL 2->52 54 Antivirus detection for URL or domain 2->54 56 Multi AV Scanner detection for submitted file 2->56 60 7 other signatures 2->60 9 Current.exe 1 2->9         started        12 UMZhX7311I.exe 1 2->12         started        14 Current.exe 2->14         started        16 2 other processes 2->16 signatures3 58 Uses dynamic DNS services 40->58 process4 signatures5 62 Multi AV Scanner detection for dropped file 9->62 64 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 9->64 66 Modifies the context of a thread in another process (thread injection) 9->66 18 Current.exe 2 9->18         started        68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->68 70 Injects a PE file into a foreign processes 12->70 21 UMZhX7311I.exe 6 12->21         started        24 Current.exe 14->24         started        72 Potential dropper URLs found in powershell memory 16->72 26 conhost.exe 16->26         started        28 conhost.exe 16->28         started        process6 file7 46 Writes to foreign memory regions 18->46 48 Modifies the context of a thread in another process (thread injection) 18->48 50 Injects a PE file into a foreign processes 18->50 30 MSBuild.exe 1 18->30         started        36 C:\Users\user\AppData\Local\...\Current.exe, PE32+ 21->36 dropped signatures8 process9 signatures10 74 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 30->74 76 Modifies the context of a thread in another process (thread injection) 30->76 78 Injects a PE file into a foreign processes 30->78 33 MSBuild.exe 30->33         started        process11 dnsIp12 38 gamemodz.duckdns.org 45.128.96.133, 49729, 49730, 49731 XXLNETNL Germany 33->38
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4b4ca1dd5aeba2b42668b3b6fb98335f0a7d159d6db73da34f1060e0a917fee1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b4ca1dd5aeba2b42668b3b6fb98335f0a7d159d6db73da34f1060e0a917fee1/
Threat name:
Win64.Trojan.Smokeloader
Create hunting rule
Status:
Suspicious
First seen:
2024-02-28 05:17:08 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
5
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jngkdxk25orlijtiwo3pxgbtl4fh2fm5nw3t3i2pcbqobkix73qq._file
Verdict:
malicious
Similar samples:
4b4ca1dd5aeba2b42668b3b6fb98335f0a7d159d6db73da34f1060e0a917fee1
PureLogsStealer
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat rat
Link:
https://tria.ge/reports/240228-fyp9ascb36/
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:
4b4ca1dd5aeba2b42668b3b6fb98335f0a7d159d6db73da34f1060e0a917fee1
MD5 hash:
5bf2b0c12768773b74a2f9a59e738591
SHA1 hash:
619114cc039a566db875f31969cd7d4dce55316a
Detections:
Typical_Malware_String_Transforms
Create hunting rule
Link:
https://www.unpac.me/results/1a3c49b0-d628-4c89-a178-099f8c1409e6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4b4ca1dd5aeb/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/4b4ca1dd5aeba2b42668b3b6fb98335f0a7d159d6db73da34f1060e0a917fee1

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
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 4b4ca1dd5aeba2b42668b3b6fb98335f0a7d159d6db73da34f1060e0a917fee1

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2772011/
Cape
Cape
https://www.capesandbox.com/analysis/478080/

Comments


Avatar
zbet commented on 2024-02-28 05:16:18 UTC

url : hxxp://218.38.52.227:8000/ow4VG3/Update.exe