MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 815c8192d3805ba9f8ea79df232bed3a856165da479a4fea1dcae67a7d109f2c. 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 17 File information Comments

SHA256 hash: 815c8192d3805ba9f8ea79df232bed3a856165da479a4fea1dcae67a7d109f2c
SHA3-384 hash: 1574b6d88eff10ec796c09e0c1c0293118bdcbe07b999cf5e21f644cc39e6e89680eff36f8a4db638db722ee76242450
SHA1 hash: 60585f0d72bd34bc1a8c74a2d3eaf8a5ac2b610c
MD5 hash: ecd80a100b4eed048fff1016370d12ce
humanhash: kansas-johnny-cat-muppet
File name:file
Download: download sample
Signature CoinMiner
File size:6'129'464 bytes
First seen:2023-08-08 14:35:18 UTC
Last seen:2023-08-10 13:39:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3be2dc19ba54f7225d7679c3f791cf7 (35 x CoinMiner, 2 x PripyatMiner)
ssdeep 98304:SM1gX705LxZaXnssMaQ95UBqDlOkyHkjZeQB6yBuQG33siEEl7gxG1b2f:SyE2wNs95UhatAWQRf4G1qf
Threatray 2'255 similar samples on MalwareBazaar
TLSH T19656D074CBCB4935D9130FB8DC7AAA9AA3F13F3D2935E72A093539339554A38160E523
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10523/12/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 58c8d1d0cecbeeec (18 x AsyncRAT, 9 x XWorm, 6 x QuasarRAT)
Reporter andretavare5
Tags:CoinMiner exe


Avatar
andretavare5
Sample downloaded from https://vk.com/doc801981293_667580158?hash=xfU7ysZWWuu7zgZzWWKHWPrjnwKrPXQq7KV9LD2Be0T&dl=fiX73ZDcklqskFZGmndXQwfshF4jO6CX6DM51DfIezD&api=1&no_preview=1#web1

Intelligence


File Origin
# of uploads :
3
# of downloads :
353
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-08-08 14:37:41 UTC
Tags:
miner

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Running batch commands
Launching a process
Creating a file in the %temp% directory
Searching for synchronization primitives
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Setting browser functions hooks
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Changing the hosts file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Enabling autorun by creating a file
Gathering data
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:
adwa.spyw.evad.mine
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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)
Creates files in the system32 config directory
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
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 hosts file
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Protects its processes via BreakOnTermination flag
Sample is not signed and drops a device driver
Sigma detected: Stop multiple services
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: 1287888 Sample: file.exe Startdate: 08/08/2023 Architecture: WINDOWS Score: 100 73 Malicious sample detected (through community Yara rule) 2->73 75 Antivirus detection for dropped file 2->75 77 Multi AV Scanner detection for dropped file 2->77 79 8 other signatures 2->79 9 file.exe 2 2->9         started        13 cmd.exe 1 2->13         started        15 cmd.exe 1 2->15         started        17 5 other processes 2->17 process3 file4 55 C:\Users\user\AppData\...\kcpcvjlntlbw.tmp, PE32+ 9->55 dropped 57 C:\Program Filesbehaviorgraphoogle\Chrome\updater.exe, PE32+ 9->57 dropped 59 C:\Windows\System32\drivers\etc\hosts, ASCII 9->59 dropped 91 Writes to foreign memory regions 9->91 93 Modifies the context of a thread in another process (thread injection) 9->93 95 Modifies the hosts file 9->95 103 3 other signatures 9->103 19 dialer.exe 1 9->19         started        97 Uses powercfg.exe to modify the power settings 13->97 99 Modifies power options to not sleep / hibernate 13->99 22 conhost.exe 13->22         started        32 5 other processes 13->32 24 conhost.exe 15->24         started        34 4 other processes 15->34 101 Creates files in the system32 config directory 17->101 26 conhost.exe 17->26         started        28 conhost.exe 17->28         started        30 conhost.exe 17->30         started        36 7 other processes 17->36 signatures5 process6 signatures7 81 Contains functionality to inject code into remote processes 19->81 83 Writes to foreign memory regions 19->83 85 Allocates memory in foreign processes 19->85 87 3 other signatures 19->87 38 svchost.exe 19->38 injected 40 lsass.exe 19->40 injected 43 dwm.exe 19->43 injected 45 17 other processes 19->45 process8 signatures9 47 updater.exe 5 38->47         started        89 Writes to foreign memory regions 40->89 51 MpCmdRun.exe 1 40->51         started        process10 file11 61 C:\Windows\Temp\kcpcvjlntlbw.tmp, PE32+ 47->61 dropped 63 C:\Program Filesbehaviorgraphoogle\Libs\WR64.sys, PE32+ 47->63 dropped 65 Protects its processes via BreakOnTermination flag 47->65 67 Writes to foreign memory regions 47->67 69 Modifies the context of a thread in another process (thread injection) 47->69 71 3 other signatures 47->71 53 conhost.exe 51->53         started        signatures12 process13
Threat name:
Win64.Trojan.Privateloader
Status:
Malicious
First seen:
2023-08-08 22:42:55 UTC
File Type:
PE+ (Exe)
Extracted files:
11
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Drops file in Drivers directory
Stops running service(s)
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
815c8192d3805ba9f8ea79df232bed3a856165da479a4fea1dcae67a7d109f2c
MD5 hash:
ecd80a100b4eed048fff1016370d12ce
SHA1 hash:
60585f0d72bd34bc1a8c74a2d3eaf8a5ac2b610c
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:win_r77_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.r77.

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

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