MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bf64a9906e8177eab206dac3a550bc5918213659f98eac6295b8e24184eb782. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8bf64a9906e8177eab206dac3a550bc5918213659f98eac6295b8e24184eb782
SHA3-384 hash: 6fef8c0a9f9a24044c6dec63b975f751c52b0a35799b5d31459377553f0fbc2c400fee264326c037a6c958a3b04a3226
SHA1 hash: 2c0e320cb0d84c6760a925d873d58e701e3e6cb1
MD5 hash: 978752b65601018ddd10636b648b8e65
humanhash: cold-venus-foxtrot-robin
File name:file
Download: download sample
Signature CoinMiner
Create hunting rule
File size:4'389'991 bytes
First seen:2024-11-24 19:23:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash be41bf7b8cc010b614bd36bbca606973 (195 x LummaStealer, 126 x DanaBot, 63 x Vidar)
ssdeep 98304:WjqOA3rPgnbbKrWFkr+aROuqoq8xT3SNCROnLm8F2Eq3VVP6Mj6jP:4rA3rPCKrv7Ouq5qDwCgLdF2EcVVP6mc
TLSH T13716330598340DB5FF9601F0ADFBD789E869F8305B10CBD8771884E1FA996E6B179B02
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 493474dcd8e66686 (1 x CoinMiner)
Reporter Bitsight
Tags:CoinMiner exe


Avatar
Bitsight
url: http://31.41.244.11/files/6856384433/0fVlNye.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
379
Origin country :
US US
Vendor Threat Intelligence
Malware family:
xmrig
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-24 19:24:26 UTC
Tags:
autoit miner upx xmrig
Link:
https://app.any.run/tasks/41f2c91c-4f36-45ab-87c8-85d50a190d75

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67437d54b31374f098340f38
Tags:
ransomware shellcode autorun virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Launching cmd.exe command interpreter
DNS request
Unauthorized injection to a recently created process
Connecting to a cryptocurrency mining pool
Connection attempt
Sending a custom TCP request
Creating a service
Launching a service
Loading a system driver
Possible injection to a system process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun for a service
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer microsoft_visual_cc overlay packed packed packer_detected
Link:
https://www.filescan.io/uploads/67437d545c5e2370a38ce90d/reports/e0636ea7-b5b5-4197-94f8-6a1ba145fcc8/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/8bf64a9906e8177eab206dac3a550bc5918213659f98eac6295b8e24184eb782
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/30001950-ef67-4d84-bd95-8ac2da1c80e0
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1561926
Signature
AI detected suspicious sample
DNS related to crypt mining pools
Drops PE files with a suspicious file extension
Found direct / indirect Syscall (likely to bypass EDR)
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Sigma detected: Drops script at startup location
Sigma detected: Search for Antivirus process
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes many files with high entropy
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1561926 Sample: file.exe Startdate: 24/11/2024 Architecture: WINDOWS Score: 100 75 xmr-eu2.nanopool.org 2->75 77 DqnJUgbSFuO.DqnJUgbSFuO 2->77 91 Malicious sample detected (through community Yara rule) 2->91 93 Yara detected Xmrig cryptocurrency miner 2->93 95 Sigma detected: Search for Antivirus process 2->95 99 4 other signatures 2->99 11 file.exe 70 2->11         started        15 wscript.exe 1 2->15         started        signatures3 97 DNS related to crypt mining pools 75->97 process4 file5 67 C:\Users\user\AppData\Local\Tempbehaviorgraphuy, DOS 11->67 dropped 69 C:\Users\user\AppData\Local\Temp\Wendy, data 11->69 dropped 71 C:\Users\user\AppData\Local\Temp\Typical, data 11->71 dropped 73 46 other files (45 malicious) 11->73 dropped 117 Writes many files with high entropy 11->117 17 cmd.exe 3 11->17         started        119 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->119 21 ZeusChat.scr 15->21         started        signatures6 process7 file8 55 C:\Users\user\AppData\Local\...\Reynolds.com, PE32+ 17->55 dropped 81 Drops PE files with a suspicious file extension 17->81 83 Writes many files with high entropy 17->83 23 Reynolds.com 4 17->23         started        27 cmd.exe 2 17->27         started        29 conhost.exe 17->29         started        35 6 other processes 17->35 85 Modifies the context of a thread in another process (thread injection) 21->85 87 Injects a PE file into a foreign processes 21->87 89 Found direct / indirect Syscall (likely to bypass EDR) 21->89 31 ZeusChat.scr 21->31         started        33 ZeusChat.scr 21->33         started        signatures9 process10 file11 57 C:\Users\user\AppData\Local\...\ZeusChat.scr, PE32+ 23->57 dropped 59 C:\Users\user\AppData\Local\...\ZeusChat.js, ASCII 23->59 dropped 61 C:\Users\user\AppData\Local\...\M, data 23->61 dropped 107 Drops PE files with a suspicious file extension 23->107 109 Modifies the context of a thread in another process (thread injection) 23->109 111 Writes many files with high entropy 23->111 115 2 other signatures 23->115 37 Reynolds.com 23->37         started        40 cmd.exe 2 23->40         started        63 C:\Users\user\AppData\Local\Temp\29442\l, data 27->63 dropped 113 Injects code into the Windows Explorer (explorer.exe) 31->113 43 explorer.exe 1 31->43         started        signatures12 process13 file14 101 Injects code into the Windows Explorer (explorer.exe) 37->101 103 Modifies the context of a thread in another process (thread injection) 37->103 45 explorer.exe 1 37->45         started        65 C:\Users\user\AppData\...\ZeusChat.url, MS 40->65 dropped 49 conhost.exe 40->49         started        105 Found strings related to Crypto-Mining 43->105 51 conhost.exe 43->51         started        signatures15 process16 dnsIp17 79 xmr-eu2.nanopool.org 163.172.171.111, 10343, 49735 OnlineSASFR United Kingdom 45->79 121 System process connects to network (likely due to code injection or exploit) 45->121 53 conhost.exe 45->53         started        signatures18 process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8bf64a9906e8177eab206dac3a550bc5918213659f98eac6295b8e24184eb782/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-11-24 19:24:06 UTC
File Type:
PE (Exe)
Extracted files:
79
AV detection:
18 of 38 (47.37%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rp3evgig5alx5kzanwwduvilywiyee3ft6movrrjlohcigcow6ba._file
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig discovery miner upx
Link:
https://tria.ge/reports/241124-x4cntsvnbx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Enumerates processes with tasklist
Suspicious use of SetThreadContext
UPX packed file
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
XMRig Miner payload
Suspicious use of NtCreateUserProcessOtherParentProcess
Xmrig family
xmrig
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e1f884f7-004f-490f-8efa-4dc846ecd8ce
Unpacked files
SH256 hash:
8bf64a9906e8177eab206dac3a550bc5918213659f98eac6295b8e24184eb782
MD5 hash:
978752b65601018ddd10636b648b8e65
SHA1 hash:
2c0e320cb0d84c6760a925d873d58e701e3e6cb1
Link:
https://www.unpac.me/results/e3c86048-b01d-4929-957e-3349b6a49cfd/
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/8bf64a9906e8177eab206dac3a550bc5918213659f98eac6295b8e24184eb782

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
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

CoinMiner

Executable exe 8bf64a9906e8177eab206dac3a550bc5918213659f98eac6295b8e24184eb782

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3302038/
  
URLhaus
https://urlhaus.abuse.ch/url/3303325/
  
URLhaus
https://urlhaus.abuse.ch/url/3302026/

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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::GetWindowsDirectoryW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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