MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31d46975095ad3f3510b9d6fee3228de3c9a536abf64898c9857c31e43cdc93a. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 31d46975095ad3f3510b9d6fee3228de3c9a536abf64898c9857c31e43cdc93a
SHA3-384 hash: 689f98dafef6c6ef19dde0743f43d9c573557f9a03fe35a69b3003fdfef6c32712bb5a64e57a53f1f4e2efbef38accf3
SHA1 hash: 3b55e131b6e444381c47e989c113b52440333228
MD5 hash: ade0dadd64c65ea37cac13fcde56c986
humanhash: mike-mango-failed-kansas
File name:file
Download: download sample
Signature CoinMiner
File size:1'585'536 bytes
First seen:2023-07-02 11:27:38 UTC
Last seen:2023-07-02 18:53:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 49152:GTLUi210STv2NJITE//f/DdTFGGVdr2tuc9RrwataKK1kHWF:cJ7W9SSWF
Threatray 649 similar samples on MalwareBazaar
TLSH T1647517597A0208A6CD7D23F1D7270A0C5F50DC6B1B11E1ED26B2B7DAA71DAC3984E18F
TrID 40.9% (.EXE) Win64 Executable (generic) (10523/12/4)
19.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
8.0% (.ICL) Windows Icons Library (generic) (2059/9)
7.8% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f0e4cc8ca6e6f871 (1 x CoinMiner)
Reporter andretavare5
Tags:CoinMiner exe signed

Code Signing Certificate

Organisation:SSD Western Digital Blue SA510 1 ТБ SATA (WDS100T3B0A)
Issuer:SSD Western Digital Blue SA510 1 ТБ SATA (WDS100T3B0A)
Algorithm:sha1WithRSAEncryption
Valid from:2023-05-28T12:56:46Z
Valid to:2033-05-29T12:56:46Z
Serial number: 1fb8fb341badb88a4298d83e97c58521
Intelligence: 7 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: aac6cece3aa0a8f37cf33bc1ba10e818741b641cd119aeeb44a4854948cc2ad3
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
andretavare5
Sample downloaded from http://red.mk/netTime.exe

Intelligence


File Origin
# of uploads :
9
# of downloads :
312
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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:
Detection:
malicious
Classification:
evad.mine
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
DNS related to crypt mining pools
Injects a PE file into a foreign processes
Machine Learning detection for sample
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 submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sigma detected: Xmrig
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 898074 Sample: file.exe Startdate: 02/07/2023 Architecture: WINDOWS Score: 100 60 Sigma detected: Xmrig 2->60 62 Multi AV Scanner detection for domain / URL 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 7 other signatures 2->66 9 file.exe 5 2->9         started        13 RKGME.exe 2->13         started        process3 file4 52 C:\ProgramData\BackUp\RKGME.exe, PE32+ 9->52 dropped 78 Adds a directory exclusion to Windows Defender 9->78 15 cmd.exe 1 9->15         started        18 powershell.exe 19 9->18         started        20 powershell.exe 19 9->20         started        signatures5 process6 signatures7 80 Uses schtasks.exe or at.exe to add and modify task schedules 15->80 22 RKGME.exe 14 6 15->22         started        26 conhost.exe 15->26         started        28 timeout.exe 1 15->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        process8 dnsIp9 58 179.43.170.241, 49701, 80 PLI-ASCH Panama 22->58 70 Antivirus detection for dropped file 22->70 72 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 22->72 74 Writes to foreign memory regions 22->74 76 3 other signatures 22->76 34 ngen.exe 22->34         started        38 cmd.exe 1 22->38         started        40 powershell.exe 22->40         started        42 powershell.exe 22->42         started        signatures10 process11 dnsIp12 54 51.68.143.81, 14433, 49702 OVHFR France 34->54 56 xmr-eu1.nanopool.org 34->56 68 Query firmware table information (likely to detect VMs) 34->68 44 conhost.exe 38->44         started        46 schtasks.exe 1 38->46         started        48 conhost.exe 40->48         started        50 conhost.exe 42->50         started        signatures13 process14
Threat name:
ByteCode-MSIL.Trojan.Privateloader
Status:
Malicious
First seen:
2023-07-02 11:28:05 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
58
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig miner
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
XMRig Miner payload
xmrig
Unpacked files
SH256 hash:
31d46975095ad3f3510b9d6fee3228de3c9a536abf64898c9857c31e43cdc93a
MD5 hash:
ade0dadd64c65ea37cac13fcde56c986
SHA1 hash:
3b55e131b6e444381c47e989c113b52440333228
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_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments