MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acbae9fb2fe0b90eb94c09bc11726a544ffd22fb5ed20f4477227979e88fdc7d. 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



CoinMiner


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: acbae9fb2fe0b90eb94c09bc11726a544ffd22fb5ed20f4477227979e88fdc7d
SHA3-384 hash: 83f232cb7a04de5b548d9a3465758b0db0e155f833cfb1d8859b10024923a0ecba3c4c47d42bdfb9fd4376e7111d5ddf
SHA1 hash: 859b8399768955c861037b246ca458e847041622
MD5 hash: f8dd965fe02f49c93f22972470d480b3
humanhash: london-butter-paris-moon
File name:Eulen.exe
Download: download sample
Signature CoinMiner
File size:44'977'152 bytes
First seen:2024-11-08 08:31:03 UTC
Last seen:2024-11-08 10:36:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e0feb4a7ecccf71bc73fce04f6c90c98 (1 x CoinMiner)
ssdeep 786432:0k1E58Eufbqc0mWvEjgYsvdT/sG8r+KMbDna+ioiYL:07O7DqJ5EjgYu38yfbDHL
Threatray 222 similar samples on MalwareBazaar
TLSH T129A7336776D53375E1C34A08D1C762DE62E031BADFAA490D24CBA9023921DD7CE83A77
TrID 56.5% (.EXE) Win64 Executable (generic) (10522/11/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter likeastar20
Tags:CoinMiner exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
400
Origin country :
RO RO
Vendor Threat Intelligence
Verdict:
Malicious
Score:
81.4%
Tags:
vmprotect
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Launching a process
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug packed packed packer_detected
Result
Verdict:
UNKNOWN
Result
Threat name:
Detection:
malicious
Classification:
spyw.evad.mine
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Hooks files or directories query functions (used to hide files and directories)
Hooks processes query functions (used to hide processes)
Hooks registry keys query functions (used to hide registry keys)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Installs new ROOT certificates
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies power options to not sleep / hibernate
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
Protects its processes via BreakOnTermination flag
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Self deletion via cmd or bat file
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Stop multiple services
Stops critical windows services
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to evade analysis by execution special instruction (VM detection)
Uses powercfg.exe to modify the power settings
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1551907 Sample: Eulen.exe Startdate: 08/11/2024 Architecture: WINDOWS Score: 100 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for dropped file 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 20 other signatures 2->64 8 Eulen.exe 2 2->8         started        12 cmd.exe 1 2->12         started        14 cmd.exe 1 2->14         started        16 3 other processes 2->16 process3 file4 50 C:\Users\user\AppData\...\auqpbnqlvfdv.tmp, PE32+ 8->50 dropped 52 C:\Program Filesbehaviorgraphoogle\...\ChromeUpdater.exe, PE32+ 8->52 dropped 76 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 8->76 78 Suspicious powershell command line found 8->78 80 Query firmware table information (likely to detect VMs) 8->80 90 10 other signatures 8->90 18 dialer.exe 1 8->18         started        82 Uses powercfg.exe to modify the power settings 12->82 84 Stops critical windows services 12->84 86 Modifies power options to not sleep / hibernate 12->86 21 conhost.exe 12->21         started        31 5 other processes 12->31 23 conhost.exe 14->23         started        25 powercfg.exe 1 14->25         started        33 3 other processes 14->33 88 Loading BitLocker PowerShell Module 16->88 27 conhost.exe 16->27         started        29 conhost.exe 16->29         started        35 2 other processes 16->35 signatures5 process6 signatures7 66 Injects code into the Windows Explorer (explorer.exe) 18->66 68 Contains functionality to inject code into remote processes 18->68 70 Writes to foreign memory regions 18->70 72 4 other signatures 18->72 37 svchost.exe 18->37 injected 39 lsass.exe 18->39 injected 42 winlogon.exe 18->42 injected 44 22 other processes 18->44 process8 signatures9 46 ChromeUpdater.exe 37->46         started        74 Installs new ROOT certificates 39->74 process10 file11 54 C:\Windows\Temp\auqpbnqlvfdv.tmp, PE32+ 46->54 dropped 56 C:\Program Filesbehaviorgraphoogle\Libs\WR64.sys, PE32+ 46->56 dropped 92 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 46->92 94 Query firmware table information (likely to detect VMs) 46->94 96 Protects its processes via BreakOnTermination flag 46->96 98 5 other signatures 46->98 signatures12
Gathering data
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion evasion execution persistence
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Power Settings
Executes dropped EXE
Indicator Removal: Clear Windows Event Logs
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Stops running service(s)
Modifies security service
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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:pe_detect_tls_callbacks

File information


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

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
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA

Comments