MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c535c7cd37476589f006ec4758622702672f49fb3823687d8590368e1d79e561. 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 27 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c535c7cd37476589f006ec4758622702672f49fb3823687d8590368e1d79e561
SHA3-384 hash: 7dec6305ef684fa5ee4ee5decd82d3aa1f6d57a7b2457b55fe45140ee61d8ef191fb7aeff7c452dc3775c40ff09c6b87
SHA1 hash: 082599495e52fc37dec3e9ad493f6ba28a16d5f6
MD5 hash: 6b40cc655aaf54f85fca39b1c0b30b70
humanhash: iowa-fanta-white-fourteen
File name:6b40cc655aaf54f85fca39b1c0b30b70
Download: download sample
Signature CoinMiner
Create hunting rule
File size:3'212'368 bytes
First seen:2023-12-11 17:28:34 UTC
Last seen:2023-12-11 19:31:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61e21aadb1f69365a324f5760989f5fe (1 x CoinMiner)
ssdeep 98304:dUWZ9wqASBqTjlX03ddYil7cKCPPhE0oM/:dUWZeDSYjV0dvlwKEPWk
TLSH T128E52382F84FD190DA484A7BF52EB5F3CCE11EA2FA503DD92A14B24A05F55E5CB01C6E
File icon (PE):PE icon
dhash icon e0d8cce451dad0e8 (1 x CoinMiner)
Reporter zbetcheckin
Tags:64 CoinMiner exe signed

Code Signing Certificate

Organisation:ALBIDANIA PARTNERS PARTICIPACOES LTDA:36740379000113
Issuer:AC Certisign RFB G5
Algorithm:sha256WithRSAEncryption
Valid from:2022-12-15T13:53:03Z
Valid to:2023-12-15T13:53:03Z
Serial number: 6fb953413d15d608295ed66563c8f12f
Intelligence: 5 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 5c5779d4b4911d96362d04c67f6e445b14bec0217915cc65f3f999503ed0b27e
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
303
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
https://nafsdwas.click/
Verdict:
Malicious activity
Analysis date:
2023-12-11 17:57:34 UTC
Tags:
lumma hijackloader loader stealer amadey botnet
Link:
https://app.any.run/tasks/7e2007ed-9542-465a-a938-018f702f2356

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/465814/
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.22236.16109.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for analyzing tools
Сreating synchronization primitives
Creating a file
Creating a file in the %temp% directory
Running batch commands
Enabling the 'hidden' option for recently created files
Launching a process
Creating a process from a recently created file
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Connecting to a non-recommended domain
Sending an HTTP GET request
Searching for synchronization primitives
DNS request
Creating a service
Launching a service
Loading a system driver
Enabling autorun for a service
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/657746e88b5ba47db2de63ef/reports/17364827-28e4-4b75-8a85-4377f59ed664/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/c535c7cd37476589f006ec4758622702672f49fb3823687d8590368e1d79e561
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
Create hunting rule
Detection:
malicious
Classification:
evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1358813
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Contains functionality to detect virtual machines (IN, VMware)
Detected Stratum mining protocol
Detected unpacking (changes PE section rights)
Found strings related to Crypto-Mining
Hijacks the control flow in another process
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
PE file has nameless sections
Query firmware table information (likely to detect VMs)
Sets debug register (to hijack the execution of another thread)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to evade debugger and weak emulator (self modifying code)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1358813 Sample: buk05lCC1N.exe Startdate: 11/12/2023 Architecture: WINDOWS Score: 100 41 fr-zephyr.miningocean.org 2->41 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 Yara detected Xmrig cryptocurrency miner 2->53 55 2 other signatures 2->55 10 buk05lCC1N.exe 5 2->10         started        14 OneDrive.exe 1 2->14         started        16 OneDrive.exe 1 2->16         started        signatures3 process4 file5 39 C:\ProgramData\...\OneDrive.exe, PE32+ 10->39 dropped 65 Detected unpacking (changes PE section rights) 10->65 67 Sets debug register (to hijack the execution of another thread) 10->67 69 Tries to evade debugger and weak emulator (self modifying code) 10->69 18 cmd.exe 1 10->18         started        signatures6 process7 signatures8 47 Uses schtasks.exe or at.exe to add and modify task schedules 18->47 21 OneDrive.exe 14 3 18->21         started        25 conhost.exe 18->25         started        27 timeout.exe 1 18->27         started        process9 dnsIp10 43 185.172.128.11, 49712, 80 NADYMSS-ASRU Russian Federation 21->43 57 Hijacks the control flow in another process 21->57 59 Tries to detect sandboxes and other dynamic analysis tools (window names) 21->59 61 Found strings related to Crypto-Mining 21->61 63 8 other signatures 21->63 29 vbc.exe 21->29         started        33 cmd.exe 1 21->33         started        signatures11 process12 dnsIp13 45 fr-zephyr.miningocean.org 54.36.98.147, 49714, 5342 OVHFR France 29->45 71 Query firmware table information (likely to detect VMs) 29->71 73 Found strings related to Crypto-Mining 29->73 35 conhost.exe 33->35         started        37 schtasks.exe 1 33->37         started        signatures14 75 Detected Stratum mining protocol 45->75 process15
Score:
93%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c535c7cd37476589f006ec4758622702672f49fb3823687d8590368e1d79e561
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c535c7cd37476589f006ec4758622702672f49fb3823687d8590368e1d79e561/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-12-11 17:29:07 UTC
File Type:
PE+ (Exe)
Extracted files:
21
AV detection:
11 of 22 (50.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yu24ptjxi5syt4ag5rdvqyrhajts6sp3harwq7mfsa3i4hlz4vqq._file
Verdict:
unknown
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig miner upx
Link:
https://tria.ge/reports/231211-v2kkjsefh3/
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
UPX packed file
Uses the VBS compiler for execution
XMRig Miner payload
xmrig
Unpacked files
SH256 hash:
c535c7cd37476589f006ec4758622702672f49fb3823687d8590368e1d79e561
MD5 hash:
6b40cc655aaf54f85fca39b1c0b30b70
SHA1 hash:
082599495e52fc37dec3e9ad493f6ba28a16d5f6
Link:
https://www.unpac.me/results/cb7ab6e9-4906-4d50-8037-617c0f36dda1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c535c7cd37476589f006ec4758622702672f49fb3823687d8590368e1d79e561

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Glasses
Create hunting rule
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Create hunting rule
Author:Seth Hardy
Description:Glasses code features
Rule name:html_auto_download_b64
Create hunting rule
Author:Tdawg
Description:html auto download
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:win_xfilesstealer_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xfilesstealer.

File information

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

Web download

CoinMiner

Executable exe c535c7cd37476589f006ec4758622702672f49fb3823687d8590368e1d79e561

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2739139/
  
URLhaus
https://urlhaus.abuse.ch/url/2736511/
  
URLhaus
https://urlhaus.abuse.ch/url/2735378/
  
URLhaus
https://urlhaus.abuse.ch/url/2737077/
Cape
Cape
https://www.capesandbox.com/analysis/465814/

Comments


Avatar
zbet commented on 2023-12-11 17:28:35 UTC

url : hxxp://185.172.128.154/ma.exe