MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa4d53ec2a935d8559e96b4ae81e8472f0ec7451e2bad29477fa6002ab7b90e2. 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


NanoCore


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa4d53ec2a935d8559e96b4ae81e8472f0ec7451e2bad29477fa6002ab7b90e2
SHA3-384 hash: 0049a8e6f3d9d9c58a5821d0c4d4a86b81fe98da07a122f9bdeaad99f5e1fe504a7b2bafe5a91b2c02bf87077172b579
SHA1 hash: aaba19b734231f8f4bf54fddda09353b513fd71e
MD5 hash: 411e2a93398bddd6c13c105da83ca801
humanhash: jersey-monkey-coffee-fourteen
File name:411e2a93398bddd6c13c105da83ca801.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'550'336 bytes
First seen:2023-09-14 14:59:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:llHrS9i1r4urNrrO6rVyQrhmMyBx883FVKlC/2ITRzT7EUw4EeAJ:llHOia2K6rVy6vq88DNFAV4E/
Threatray 113 similar samples on MalwareBazaar
TLSH T159756A2766B68EE1C3C62B3AC497E5440BE8E15A7717DB0F344E2399264376FDD0E902
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 abuse_ch
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
352
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
411e2a93398bddd6c13c105da83ca801.exe
Verdict:
Malicious activity
Analysis date:
2023-09-14 14:59:29 UTC
Tags:
zgrat backdoor
Link:
https://app.any.run/tasks/f77c537d-7c43-47d1-b579-de6b63b36348

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/448658/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Inject.3655.12493.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65031fb769c1cf3b6ab5df48/reports/bb0df37f-e871-41e2-aa61-606f1fcdb8ab/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/fa4d53ec2a935d8559e96b4ae81e8472f0ec7451e2bad29477fa6002ab7b90e2
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/29bb1c60-0b75-4cfa-a05d-6db627b3e00e
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1308027
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
Connects to many ports of the same IP (likely port scanning)
Detected Stratum mining protocol
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 dropped file
Multi AV Scanner detection for submitted file
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1308027 Sample: E84snOzUop.exe Startdate: 14/09/2023 Architecture: WINDOWS Score: 100 50 Sigma detected: Xmrig 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 8 other signatures 2->56 7 yxhymc.exe 5 2->7         started        10 E84snOzUop.exe 1 5 2->10         started        13 Zawtouuzntx.exe 5 2->13         started        15 Zawtouuzntx.exe 2->15         started        process3 file4 68 Antivirus detection for dropped file 7->68 70 Machine Learning detection for dropped file 7->70 72 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->72 17 aspnet_compiler.exe 16 2 7->17         started        40 C:\Users\user\AppData\...\Zawtouuzntx.exe, PE32+ 10->40 dropped 74 Writes to foreign memory regions 10->74 76 Modifies the context of a thread in another process (thread injection) 10->76 78 Injects a PE file into a foreign processes 10->78 21 MSBuild.exe 15 3 10->21         started        80 Multi AV Scanner detection for dropped file 13->80 24 MSBuild.exe 3 13->24         started        26 MSBuild.exe 15->26         started        signatures5 process6 dnsIp7 58 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 17->58 60 Found strings related to Crypto-Mining 17->60 62 Writes to foreign memory regions 17->62 66 2 other signatures 17->66 28 AddInProcess.exe 17->28         started        32 AddInProcess.exe 17->32         started        34 AddInProcess.exe 17->34         started        36 2 other processes 17->36 42 141.98.6.167, 39001, 49727, 49729 CMCSUS Germany 21->42 44 transfer.sh 144.76.136.153, 443, 49728, 49739 HETZNER-ASDE Germany 21->44 46 tse1.mm.bing.net 21->46 38 C:\Users\user\AppData\Local\Temp\yxhymc.exe, PE32+ 21->38 dropped file8 64 Detected Stratum mining protocol 42->64 signatures9 process10 dnsIp11 48 xmr.2miners.com 162.19.139.184, 2222, 49759, 49816 CENTURYLINK-US-LEGACY-QWESTUS United States 28->48 82 Query firmware table information (likely to detect VMs) 28->82 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fa4d53ec2a935d8559e96b4ae81e8472f0ec7451e2bad29477fa6002ab7b90e2/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-09-14 14:59:07 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
16 of 23 (69.57%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7jgvh3bksnoykwpjnnfoqhueolyoy5cr4k5nffdx7jqafk33sdra._file
Verdict:
malicious
Similar samples:
04da2f944fcdb4f4121e4c091600b838be5de5e40acbd87c82f773126ac604d5
NanoCore
0d7d944bfe709658f2bba76e34542349c78d8fd690668e0db1434bd67f333e68
NanoCore
640172facde641f02bd430ef17e05b6f32b828bf76ff7f90c3f0101ab280e691
NanoCore
8f0f73da0cf00759da7bdb027e9f33abfd04617d19ec3d574901b1eb36e21078
NanoCore
a3838f118bbfcd8759b3a449924c84893908e1333ae5a321fe6fec55c28af707
NanoCore
b63ed1999685c3144cb61f9091b54f33fbcf657f3ea910b11e57e5cf8f1bf2c7
NanoCore
b8d6a32dc06b0e08678bd9af10376bc956d147378d7094dc6d540b54cc84bc00
NanoCore
d31044022de445b61ba735083a47c5fd1f4d5c8dfcf544da489572ce3fafdc79
NanoCore
+ 103 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/230914-scqzxsfc98/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Unpacked files
SH256 hash:
fa4d53ec2a935d8559e96b4ae81e8472f0ec7451e2bad29477fa6002ab7b90e2
MD5 hash:
411e2a93398bddd6c13c105da83ca801
SHA1 hash:
aaba19b734231f8f4bf54fddda09353b513fd71e
Link:
https://www.unpac.me/results/b055d456-6687-4686-a2b1-b78d0df45274/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fa4d53ec2a93/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
Link:
https://yomi.yoroi.company/submissions/fa4d53ec2a935d8559e96b4ae81e8472f0ec7451e2bad29477fa6002ab7b90e2

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
Create hunting rule
Author:malware-lu

File information

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

Web download

NanoCore

Executable exe fa4d53ec2a935d8559e96b4ae81e8472f0ec7451e2bad29477fa6002ab7b90e2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2711700/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/448658/

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