MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0dfea63a285f52350b532242d21b34444dfd9199416d2809f9a9e6647003ca94. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0dfea63a285f52350b532242d21b34444dfd9199416d2809f9a9e6647003ca94
SHA3-384 hash: d02a12be53a828f51022a794b00bb46767a70c9a5d6eb515526f8138d8003f5b0d1752ff92e540f69c1b4994078a36cd
SHA1 hash: 9f17951895fbd17f870d20e099284cc73819b8ef
MD5 hash: 2f40f5b38486e89351d6d5d2021197e9
humanhash: magazine-maine-quebec-zulu
File name:Purchase Order & Contract.xls.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'364'480 bytes
First seen:2021-05-31 12:05:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:85OrD1WXJWFP341KtMSyax//IO6kVDVuIpR0:85AsMW1enRx//OCDVuq
Threatray 7 similar samples on MalwareBazaar
TLSH 7255DFA2E180DAD6CB299370E972C9F512726DEEE470953F18D97C173BB73830123666
Reporter lowmal3
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order & Contract.xls.exe
Verdict:
Malicious activity
Analysis date:
2021-05-31 12:06:43 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/78f65be6-149d-4b1c-acad-52155146f80b

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/163488/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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:
Nanocore
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/794702
Signature
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Sigma detected: NanoCore
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
nanocore
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Link:
https://mwdb.cert.pl/sample/0dfea63a285f52350b532242d21b34444dfd9199416d2809f9a9e6647003ca94/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-31 12:05:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
71
AV detection:
21 of 45 (46.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bx7kmoril5jdkc2tejbnegzuirg73emzifwsqcpzvhtgi4adzkka._file
Verdict:
unknown
Similar samples:
58b3a01441536651c250b546bfb085d75c736d4b1aea5ee4ebb1bf68df755bb0
NanoCore
68a8dc27edba1964811111266405c2b03198a8ec8f4725f45de8aeb6cfdb19b6
NanoCore
787826db3710d09e37bf1fb65f1394be6730cd824b585368715d58b75f4de4be
NanoCore
938bbd57b0363ea78a57d76ed0196509ee299e9fb189bcaab659c20154e81457
NanoCore
b9c8cc02d2a7204ed77918b3ac05ec20cae7828560bafe6e8af9a7d84872d7a5
NanoCore
bd716e585cb79ce43627547e7ffb4c50b65a8dcded0f23417a794db245b316c7
NanoCore
d1ccb4bf3562a42a08088a423aade289f77d9ebd159253de214081a5f4938469
NanoCore
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210531-kz8y2vppbs/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
45.137.22.50:28054
127.0.0.1:28054
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/0dfea63a285f52350b532242d21b34444dfd9199416d2809f9a9e6647003ca94

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_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

NanoCore

Executable exe 0dfea63a285f52350b532242d21b34444dfd9199416d2809f9a9e6647003ca94

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/163488/

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