MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8fc2e453e79ceaede7921e39b7032e95253fd6ed838bfa59296db7fff8b8cf0. 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 1

SHA256 hash: e8fc2e453e79ceaede7921e39b7032e95253fd6ed838bfa59296db7fff8b8cf0
SHA3-384 hash: 3d9519fde0e947da51c7317d07d6928829b00bdd29cbbc3839137c618fd5cd35c55d2350d7f7018089232d5be76fcbc4
SHA1 hash: b7923f384a29c76ef6c9da75f1e06d596fd25c5b
MD5 hash: ee5f333fec231a3858e25a6db292c579
humanhash: hamper-golf-item-oscar
File name:ee5f333fec231a3858e25a6db292c579
Download: download sample
Signature CoinMiner
File size:643'584 bytes
First seen:2023-12-02 05:14:48 UTC
Last seen:2023-12-02 07:16:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:3zLBNuq/F774abML8fehTZXIOGznZ4FAxv/mY/0nCuz8o:3zLn3t7nbYyAC5znZKAxWYcnCuz
Threatray 353 similar samples on MalwareBazaar
TLSH T161D423DE03901CADE535057886E4171E05B322EF2AAA13772589238BDFCB7859CFBD16
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
Reporter zbetcheckin
Tags:64 CoinMiner exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
344
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ee5f333fec231a3858e25a6db292c579
Verdict:
Malicious activity
Analysis date:
2023-12-02 05:16:18 UTC
Tags:
zgrat pureloader loader

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

Behaviour
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Unauthorized injection to a system process
Adding an exclusion to Microsoft Defender
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:
Xmrig, zgRAT
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
Detected Stratum mining protocol
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 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: Xmrig
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PersistenceViaHiddenTask
Yara detected Xmrig cryptocurrency miner
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1351909 Sample: OLeMjLan8G.exe Startdate: 02/12/2023 Architecture: WINDOWS Score: 100 56 Sigma detected: Xmrig 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 16 other signatures 2->62 7 RegisteredChannels.exe 3 2->7         started        10 TypeId.exe 2->10         started        12 nzmkfrfpr.exe 2->12         started        14 5 other processes 2->14 process3 file4 86 Antivirus detection for dropped file 7->86 88 Multi AV Scanner detection for dropped file 7->88 90 Machine Learning detection for dropped file 7->90 100 2 other signatures 7->100 17 AddInUtil.exe 16 3 7->17         started        92 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 10->92 94 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->94 96 Writes to foreign memory regions 10->96 22 MSBuild.exe 10->22         started        24 MSBuild.exe 10->24         started        26 MSBuild.exe 10->26         started        50 C:\Users\user\...\RegisteredChannels.exe, PE32+ 14->50 dropped 98 Potential dropper URLs found in powershell memory 14->98 28 conhost.exe 14->28         started        30 conhost.exe 14->30         started        32 conhost.exe 14->32         started        signatures5 process6 dnsIp7 52 163.123.142.171, 39001, 49729, 49730 ILIGHT-NETUS Reserved 17->52 44 C:\Users\user\AppData\Local\Temp\bkago.exe, PE32 17->44 dropped 64 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 17->64 66 Writes to foreign memory regions 17->66 68 Modifies the context of a thread in another process (thread injection) 17->68 70 Injects a PE file into a foreign processes 17->70 34 bkago.exe 6 17->34         started        38 AddInProcess.exe 17->38         started        40 AddInProcess.exe 17->40         started        42 5 other processes 17->42 54 91.92.244.36, 49798, 49808, 49811 THEZONEBG Bulgaria 24->54 46 C:\Users\user\AppData\Local\...\nzmkfrfpr.exe, PE32+ 24->46 dropped file8 72 Detected Stratum mining protocol 52->72 signatures9 process10 file11 48 C:\Users\user\AppData\Local\...\TypeId.exe, PE32 34->48 dropped 74 Antivirus detection for dropped file 34->74 76 Multi AV Scanner detection for dropped file 34->76 78 Machine Learning detection for dropped file 34->78 84 2 other signatures 34->84 80 Query firmware table information (likely to detect VMs) 38->80 82 Found strings related to Crypto-Mining 38->82 signatures12
Threat name:
ByteCode-MSIL.Trojan.Bsymem
Status:
Malicious
First seen:
2023-11-28 05:13:52 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in System32 directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
e8fc2e453e79ceaede7921e39b7032e95253fd6ed838bfa59296db7fff8b8cf0
MD5 hash:
ee5f333fec231a3858e25a6db292c579
SHA1 hash:
b7923f384a29c76ef6c9da75f1e06d596fd25c5b
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:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table

File information


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

Web download

CoinMiner

Executable exe e8fc2e453e79ceaede7921e39b7032e95253fd6ed838bfa59296db7fff8b8cf0

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-12-02 05:14:49 UTC

url : hxxp://163.123.142.171:8080/file/1701008833-Ywnbevy.exe