MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c4a8bd310ce4f1146d84ca455a560fd082e7d22d8b8c772cef5ce89f68e3191. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6c4a8bd310ce4f1146d84ca455a560fd082e7d22d8b8c772cef5ce89f68e3191
SHA3-384 hash: bd9a42d770a576ef59dd2a002d2df3ae6060331cc7aad557b3c2dbe6d507e9f22df9eabcbc1511abcfb372acc4753f50
SHA1 hash: 54a2b85ed2e30eab06301cff9bc419e689e61502
MD5 hash: 8496122ca553282ca78f011e7ece0369
humanhash: zebra-bulldog-paris-one
File name:npytihjksef.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:7'113'728 bytes
First seen:2025-02-12 21:22:18 UTC
Last seen:2025-02-12 22:39:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash de41d4e0545d977de6ca665131bb479a (91 x CoinMiner)
ssdeep 196608:AcrmXgplBiw6TNMfCH1rQHfv8j1Wexxs3KonevKHVIo0:hr/hINMfQN+X8j1zxo
TLSH T18666F10D1291A0C7FBD6BB607C45F12596AE9CDACF631248A5078BC1E9C10DEEBD09E7
TrID 49.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
31.8% (.EXE) Win64 Executable (generic) (10522/11/4)
6.1% (.EXE) OS/2 Executable (generic) (2029/13)
6.0% (.EXE) Generic Win/DOS Executable (2002/3)
6.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter aachum
Tags:CoinMiner exe


Avatar
iamaachum
https://github.com/temperloin/Figvam/raw/refs/heads/main/npytihjksef.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
461
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
npytihjksef.exe
Verdict:
No threats detected
Analysis date:
2025-02-12 22:48:43 UTC
Tags:
fsg
Link:
https://app.any.run/tasks/093c999d-a8c1-444c-b601-f18307f7ddae

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.22710.16191.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ad112848f17b2cfdd870a0
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-debug obfuscated
Link:
https://www.filescan.io/uploads/67ad114a991985e0a957ba0a/reports/80190cb6-4843-431d-8d23-b005309356b1/overview
Verdict:
Malicious
Labled as:
Application.GenericFCA.Generic
Link:
https://www.hybrid-analysis.com/sample/6c4a8bd310ce4f1146d84ca455a560fd082e7d22d8b8c772cef5ce89f68e3191
Malware family:
XMRig Miner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/75ad6efd-b2fe-48ba-98ba-1e1fb9e96fac
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1613724
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to a pastebin service (likely for C&C)
DNS related to crypt mining pools
Found strings related to Crypto-Mining
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sigma detected: Stop EventLog
Sigma detected: Suspect Svchost Activity
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1613724 Sample: npytihjksef.exe Startdate: 12/02/2025 Architecture: WINDOWS Score: 100 51 xmr-eu1.nanopool.org 2->51 53 pastebin.com 2->53 55 2 other IPs or domains 2->55 63 Suricata IDS alerts for network traffic 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 73 4 other signatures 2->73 8 helper.exe 1 2->8         started        12 npytihjksef.exe 2 2->12         started        14 svchost.exe 2->14         started        16 5 other processes 2->16 signatures3 69 DNS related to crypt mining pools 51->69 71 Connects to a pastebin service (likely for C&C) 53->71 process4 dnsIp5 45 C:\Windows\Temp\cfjaianbjggh.sys, PE32+ 8->45 dropped 79 Multi AV Scanner detection for dropped file 8->79 81 Found strings related to Crypto-Mining 8->81 83 Modifies the context of a thread in another process (thread injection) 8->83 85 Sample is not signed and drops a device driver 8->85 19 svchost.exe 8->19         started        23 conhost.exe 8->23         started        47 C:\ProgramData\helper\helper.exe, PE32+ 12->47 dropped 25 sc.exe 1 12->25         started        27 sc.exe 1 12->27         started        29 sc.exe 1 12->29         started        31 sc.exe 1 12->31         started        87 Changes security center settings (notifications, updates, antivirus, firewall) 14->87 33 MpCmdRun.exe 2 14->33         started        49 twc.trafficmanager.net 104.40.149.189, 123 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 16->49 file6 signatures7 process8 dnsIp9 57 51.15.193.130, 10343, 49703 OnlineSASFR France 19->57 59 146.59.154.106, 10343, 49701 OVHFR Norway 19->59 61 pastebin.com 104.20.4.235, 443, 49702 CLOUDFLARENETUS United States 19->61 75 Query firmware table information (likely to detect VMs) 19->75 77 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 19->77 35 conhost.exe 25->35         started        37 conhost.exe 27->37         started        39 conhost.exe 29->39         started        41 conhost.exe 31->41         started        43 conhost.exe 33->43         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6c4a8bd310ce4f1146d84ca455a560fd082e7d22d8b8c772cef5ce89f68e3191
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6c4a8bd310ce4f1146d84ca455a560fd082e7d22d8b8c772cef5ce89f68e3191/
Threat name:
Win64.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-02-12 21:22:34 UTC
File Type:
PE+ (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nrfixuyqzzhrcrwyjssfljla7uec47jc3c4mo4wo6xhit5uoggiq._file
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig defense_evasion discovery execution miner persistence
Link:
https://tria.ge/reports/250212-z732asyker/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Launches sc.exe
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Loads dropped DLL
Creates new service(s)
Downloads MZ/PE file
Stops running service(s)
XMRig Miner payload
Xmrig family
xmrig
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/67266ebf-ec4f-4776-a312-2efc719d3614
Unpacked files
SH256 hash:
6c4a8bd310ce4f1146d84ca455a560fd082e7d22d8b8c772cef5ce89f68e3191
MD5 hash:
8496122ca553282ca78f011e7ece0369
SHA1 hash:
54a2b85ed2e30eab06301cff9bc419e689e61502
Link:
https://www.unpac.me/results/3edc4c73-516d-4501-8cfd-f876611f4f18/
Malware family:
XMRig
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6c4a8bd310ce/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
CoinMiner
Score:
0.60
Link:
https://yomi.yoroi.company/submissions/6c4a8bd310ce4f1146d84ca455a560fd082e7d22d8b8c772cef5ce89f68e3191

File information

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

Web download

CoinMiner

Executable exe 6c4a8bd310ce4f1146d84ca455a560fd082e7d22d8b8c772cef5ce89f68e3191

(this sample)

  
Link
https://tria.ge/250212-zy3zyayme1/behavioral17
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3438221/

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 (GUARD_CF)high

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