MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf361d860a7ae257d6d7694cea54a556b77b8185e8677bd9f1752415884ede81. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf361d860a7ae257d6d7694cea54a556b77b8185e8677bd9f1752415884ede81
SHA3-384 hash: 8edb06ee200fbe8fd0afed6f8da355dfdb40cf7d64d23b51c61f8e30e943ae3fdd16af5796d37f0e02d1bfa5b1decac4
SHA1 hash: 49f5beced1d430f55e409478fc48e3a095b45e79
MD5 hash: bd3835dab38215af593d12b433306791
humanhash: sweet-jersey-uncle-connecticut
File name:SecuriteInfo.com.Win64.DropperX-gen.29167.15583
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:504'008 bytes
First seen:2024-05-24 13:23:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:bDO+CWxCcEMwvLUjSUXjpbRheHHcMagLbAeJAYpc:b6+CyEZLU3zpdw8MjLbAEAYu
Threatray 16 similar samples on MalwareBazaar
TLSH T1DDB4E1A06774A20DE1FF443128B47CE905BD91956586D39BA9C640BF09E6FC22B92CF3
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter SecuriteInfoCom
Tags:exe PureLogStealer signed

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2024-05-24T10:26:43Z
Valid to:2025-05-24T10:26:43Z
Serial number: b85292076b86ba5a0668e70c801d6df9
Thumbprint Algorithm:SHA256
Thumbprint: f48651f4f8f305d9b25802c49aba65e7ed48e551a8b5d0c10920fdeefef569c7
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
335
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bf361d860a7ae257d6d7694cea54a556b77b8185e8677bd9f1752415884ede81.exe
Verdict:
Malicious activity
Analysis date:
2024-05-24 13:24:32 UTC
Tags:
opendir loader evasion berbew adware neoreklami privateloader
Link:
https://app.any.run/tasks/2a24236e-e205-45dd-bf70-32b25f0444e0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.DropperX-gen.29167.15583.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66509605a8a296404f97a78bwin7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Network Static Nekark Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Sending an HTTP GET request to an infection source
Creating a process from a recently created file
Creating a file in the %temp% directory
Sending a UDP request
Sending an HTTP GET request
Moving a file to the %temp% directory
Running batch commands
Blocking the User Account Control
Connection attempt to an infection source
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/665094f3fce7975594f751ca/reports/096f605b-bfb5-4ac8-ac70-233b21e30f4f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/bf361d860a7ae257d6d7694cea54a556b77b8185e8677bd9f1752415884ede81
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:
Malicious
Link:
https://analyze.intezer.com/analyses/9c34312c-3ffe-4153-b712-72f4c0cfc701
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1447196
Signature
Adds a directory exclusion to Windows Defender
Adds extensions / path to Windows Defender exclusion list (Registry)
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Disable Windows Defender real time protection (registry)
Disables UAC (registry)
Disables Windows Defender (deletes autostart)
Drops PE files to the document folder of the user
Drops script or batch files to the startup folder
Exclude list of file types from scheduled, custom, and real-time scanning
Found direct / indirect Syscall (likely to bypass EDR)
Hides threads from debuggers
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Modifies Group Policy settings
Modifies Windows Defender protection settings
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Writes many files with high entropy
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1447196 Sample: SecuriteInfo.com.Win64.Drop... Startdate: 24/05/2024 Architecture: WINDOWS Score: 100 127 Multi AV Scanner detection for domain / URL 2->127 129 Malicious sample detected (through community Yara rule) 2->129 131 Antivirus detection for URL or domain 2->131 133 10 other signatures 2->133 12 SecuriteInfo.com.Win64.DropperX-gen.29167.15583.exe 1 4 2->12         started        15 svchost.exe 2->15         started        process3 signatures4 171 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->171 173 Writes to foreign memory regions 12->173 175 Allocates memory in foreign processes 12->175 177 4 other signatures 12->177 17 jsc.exe 15 438 12->17         started        22 powershell.exe 23 12->22         started        24 WerFault.exe 12->24         started        34 2 other processes 12->34 26 WerFault.exe 15->26         started        28 WerFault.exe 15->28         started        30 WerFault.exe 15->30         started        32 WerFault.exe 15->32         started        process5 dnsIp6 105 5.42.66.47 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 17->105 107 104.192.108.20 QIHOOBeijingQihuTechnologyCompanyLimitedCN United States 17->107 111 7 other IPs or domains 17->111 79 C:\Users\...\zeqKSNkonawGMqbZy6pJW751.exe, PE32 17->79 dropped 81 C:\Users\...\zDplazf5Ago1xkTiTpRmJUHc.exe, PE32 17->81 dropped 83 C:\Users\...\xcnkKJ2mxHBMvShth3WqmyiD.exe, PE32 17->83 dropped 85 213 other malicious files 17->85 dropped 135 Drops script or batch files to the startup folder 17->135 137 Creates HTML files with .exe extension (expired dropper behavior) 17->137 139 Writes many files with high entropy 17->139 36 Mu3Kc7a94jqq3Hy7uzPEWsjJ.exe 17->36         started        41 4dPvxzXL6r5zKYq6GrROVbV6.exe 17->41         started        43 UtuW5udxresTUf8mf8oE4s5M.exe 17->43         started        49 17 other processes 17->49 141 Loading BitLocker PowerShell Module 22->141 45 conhost.exe 22->45         started        47 WmiPrvSE.exe 22->47         started        109 20.42.73.29 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 24->109 file7 signatures8 process9 dnsIp10 113 176.111.174.109 WILWAWPL Russian Federation 36->113 115 87.240.132.72 VKONTAKTE-SPB-AShttpvkcomRU Russian Federation 36->115 121 19 other IPs or domains 36->121 87 C:\Users\...\ysZWJEd6iG47xI11N0QcsV7Y.exe, PE32 36->87 dropped 89 C:\Users\...\ymlLU3jRorj4iLxcmGR8ZIBJ.exe, PE32 36->89 dropped 91 C:\Users\...\wZWQH17TrK3oiIhhb6u0pudo.exe, PE32 36->91 dropped 99 28 other malicious files 36->99 dropped 149 Query firmware table information (likely to detect VMs) 36->149 151 Drops PE files to the document folder of the user 36->151 153 Creates HTML files with .exe extension (expired dropper behavior) 36->153 169 8 other signatures 36->169 101 5 other malicious files 41->101 dropped 51 Install.exe 41->51         started        155 Detected unpacking (changes PE section rights) 43->155 157 Tries to detect sandboxes and other dynamic analysis tools (window names) 43->157 159 Hides threads from debuggers 43->159 161 Found direct / indirect Syscall (likely to bypass EDR) 43->161 117 108.138.24.221 AMAZON-02US United States 49->117 119 108.156.60.116 AMAZON-02US United States 49->119 123 10 other IPs or domains 49->123 93 C:\Users\user\Pictures\360TS_Setup.exe.P2P, PE32 49->93 dropped 95 C:\Users\user\AppData\Local\...\360P2SP.dll, PE32 49->95 dropped 97 C:\Users\user\AppData\Local\...\notepad.exe, PE32+ 49->97 dropped 103 19 other malicious files 49->103 dropped 163 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 49->163 165 Writes many files with high entropy 49->165 167 Checks if the current machine is a virtual machine (disk enumeration) 49->167 54 explorer.exe 49->54 injected 56 WerFault.exe 49->56         started        59 WerFault.exe 49->59         started        61 3 other processes 49->61 file11 signatures12 process13 dnsIp14 143 Multi AV Scanner detection for dropped file 51->143 145 Modifies Windows Defender protection settings 51->145 63 cmd.exe 51->63         started        66 cmd.exe 54->66         started        125 20.42.65.92 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 56->125 signatures15 process16 signatures17 179 Modifies Windows Defender protection settings 63->179 68 forfiles.exe 63->68         started        71 conhost.exe 63->71         started        73 conhost.exe 66->73         started        process18 signatures19 147 Modifies Windows Defender protection settings 68->147 75 cmd.exe 68->75         started        process20 process21 77 Conhost.exe 75->77         started       
Score:
83%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bf361d860a7ae257d6d7694cea54a556b77b8185e8677bd9f1752415884ede81
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf361d860a7ae257d6d7694cea54a556b77b8185e8677bd9f1752415884ede81/
Threat name:
Win64.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-05-24 13:24:05 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x43b3bqkplrfpvwxnfgouvffk23xxamf5btxxwprousblcco32aq._file
Verdict:
unknown
Similar samples:
35fba4ae966fe12c1b9c5dfdcc5b69c2991a412a0f1e5774118e172dbd40ad6e
PureLogsStealer
716741d85859c7c4747395deb709dc0b4b2741a0d15850aa3a706cc05d61bf6d
PureLogsStealer
803af90de603592cfdca6c9b6a8ffc39130a54dee552f0758f7ebf07ab327fc5
PureLogsStealer
958dd14c90b1c73852f926608f212377aa3a36666c04024f97c20deb375e9773
PureLogsStealer
a0e3a64e0e6aee3370ccbbca59f8ae0b34be674963c1dabe14926b24fdcae7d0
PureLogsStealer
ca58a17fe665c5997d673e7e5317d2a70dc2225ced1dbeea010888874ae48a81
PureLogsStealer
fc44a0e8161907e73f2e7f0ee5b264a8e2c78f5af3437c4cb25341661da8d813
PureLogsStealer
+ 6 additional samples on MalwareBazaar
Result
Malware family:
privateloader
Create hunting rule
Score:
  10/10
Tags:
family:privateloader adware bootkit discovery evasion execution loader persistence spyware stealer themida trojan
Link:
https://tria.ge/reports/240524-qnc64afg26/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks for any installed AV software in registry
Checks installed software on the system
Checks whether UAC is enabled
Drops Chrome extension
Drops desktop.ini file(s)
Enumerates connected drives
Installs/modifies Browser Helper Object
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Writes to the Master Boot Record (MBR)
Checks BIOS information in registry
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies system executable filetype association
Reads user/profile data of web browsers
Registers COM server for autorun
Themida packer
Unexpected DNS network traffic destination
Windows security modification
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Installed Components in the registry
Sets service image path in registry
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Modifies firewall policy service
PrivateLoader
UAC bypass
Windows security bypass
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/89dad1cb-d4ee-442d-861c-0637cb85b85f
Unpacked files
SH256 hash:
539e20897acac03214bf48d6a43d9d08ebd491eb323ff109f116897ad83d85f1
MD5 hash:
d274a126ae46bcd625ed5ff8f58f9de1
SHA1 hash:
81d2b48eacb96c5d4585c050d348c9ab05210049
Link:
https://www.unpac.me/results/bc8ebfe4-14c4-4595-a5bb-ba172cf4b806/
SH256 hash:
bf361d860a7ae257d6d7694cea54a556b77b8185e8677bd9f1752415884ede81
MD5 hash:
bd3835dab38215af593d12b433306791
SHA1 hash:
49f5beced1d430f55e409478fc48e3a095b45e79
Link:
https://www.unpac.me/results/bc8ebfe4-14c4-4595-a5bb-ba172cf4b806/
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/bf361d860a7ae257d6d7694cea54a556b77b8185e8677bd9f1752415884ede81

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
Rule name:MSIL_TinyDownloader_Generic
Create hunting rule
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
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:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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 bf361d860a7ae257d6d7694cea54a556b77b8185e8677bd9f1752415884ede81

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2862267/
  
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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments