MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 936b6537581510b28c42dfc24d97d1c668e12744942ac4ad723e4b66c43c68f8. 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 10 File information Comments 1

SHA256 hash: 936b6537581510b28c42dfc24d97d1c668e12744942ac4ad723e4b66c43c68f8
SHA3-384 hash: b8d0f29023097ea636bfbaf958b740e71a14a3516d4e2c9ca6ee9902c72796ea58e64836b75abac205401d7a3011ebcb
SHA1 hash: 538fb5d5677c9b350ecda138695ba24a40d8a743
MD5 hash: c2d58fee25365f559eabe70219d16640
humanhash: finch-california-eleven-arkansas
File name:c2d58fee25365f559eabe70219d16640
Download: download sample
Signature PureLogsStealer
File size:5'505'592 bytes
First seen:2024-02-26 08:46:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 49152:ZbyG+s36qTByULCGnDOKkZX4HxYASUhFPMDFOc:tyuKqTB1LCGnSjwueFRc
TLSH T1B8465C00FEFA5E47C1490B3FC81349E352A6E9C89343EB2F069CED5B5E117985D692CA
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 :
319
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Forced system process termination
Creating a process from a recently created file
Launching a process
Deleting a recently created file
DNS request
Connection attempt
Using the Windows Management Instrumentation requests
Creating a window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm keylogger overlay packed
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.
Result
Threat name:
PureLog Stealer, Xmrig, zgRAT
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Detected Stratum mining protocol
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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)
Query firmware table information (likely to detect VMs)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Xmrig
Snort IDS alert for network traffic
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 PersistenceViaHiddenTask
Yara detected PureLog Stealer
Yara detected Xmrig cryptocurrency miner
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1398616 Sample: LiY51PB5R0.exe Startdate: 26/02/2024 Architecture: WINDOWS Score: 100 44 gamemodz.duckdns.org 2->44 46 de.zephyr.herominers.com 2->46 48 3 other IPs or domains 2->48 56 Snort IDS alert for network traffic 2->56 58 Sigma detected: Xmrig 2->58 60 Multi AV Scanner detection for domain / URL 2->60 64 15 other signatures 2->64 10 CustomAttributeEncodedArgument.exe 1 2->10         started        13 LiY51PB5R0.exe 1 2->13         started        15 CustomAttributeEncodedArgument.exe 2->15         started        17 powershell.exe 23 2->17         started        signatures3 62 Uses dynamic DNS services 44->62 process4 signatures5 86 Multi AV Scanner detection for dropped file 10->86 88 Modifies the context of a thread in another process (thread injection) 10->88 90 Injects a PE file into a foreign processes 10->90 19 CustomAttributeEncodedArgument.exe 2 10->19         started        92 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->92 22 LiY51PB5R0.exe 5 13->22         started        25 CustomAttributeEncodedArgument.exe 15->25         started        94 Potential dropper URLs found in powershell memory 17->94 27 WmiPrvSE.exe 17->27         started        29 conhost.exe 17->29         started        process6 file7 66 Writes to foreign memory regions 19->66 68 Modifies the context of a thread in another process (thread injection) 19->68 70 Injects a PE file into a foreign processes 19->70 31 MSBuild.exe 1 19->31         started        42 C:\...\CustomAttributeEncodedArgument.exe, PE32+ 22->42 dropped signatures8 process9 signatures10 96 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 31->96 98 Modifies the context of a thread in another process (thread injection) 31->98 100 Injects a PE file into a foreign processes 31->100 34 MSBuild.exe 16 2 31->34         started        process11 dnsIp12 50 gamemodz.duckdns.org 45.128.96.133, 39001, 49705, 49706 XXLNETNL Germany 34->50 52 transfer.sh 144.76.136.153, 443, 49707 HETZNER-ASDE Germany 34->52 72 Found strings related to Crypto-Mining 34->72 74 Writes to foreign memory regions 34->74 76 Modifies the context of a thread in another process (thread injection) 34->76 78 Injects a PE file into a foreign processes 34->78 38 AddInProcess.exe 34->38         started        signatures13 process14 dnsIp15 54 de.zephyr.herominers.com 167.235.223.40, 1123, 49716 ALBERTSONSUS United States 38->54 80 Query firmware table information (likely to detect VMs) 38->80 82 Found strings related to Crypto-Mining 38->82 signatures16 84 Detected Stratum mining protocol 54->84
Threat name:
Win64.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-02-26 08:47:10 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
5
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig family:zgrat miner rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
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:
936b6537581510b28c42dfc24d97d1c668e12744942ac4ad723e4b66c43c68f8
MD5 hash:
c2d58fee25365f559eabe70219d16640
SHA1 hash:
538fb5d5677c9b350ecda138695ba24a40d8a743
Detections:
Typical_Malware_String_Transforms
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
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
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
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

PureLogsStealer

Executable exe 936b6537581510b28c42dfc24d97d1c668e12744942ac4ad723e4b66c43c68f8

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-02-26 08:46:31 UTC

url : hxxp://23.224.102.6:8001/1gep1Xh23Y/RuntimeBroker.exe