MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56ff43cdf24f23e6da12bc17ad4f4084be0193213c5f5a8f524a1e7f30d822d3. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 56ff43cdf24f23e6da12bc17ad4f4084be0193213c5f5a8f524a1e7f30d822d3
SHA3-384 hash: ee94d7f8dce84656be79ad81b6ce1e4ba8f8efb49bedd5414d593278ca87a37fa58bafd76c1770aacd9a68297943a5ad
SHA1 hash: 066df4f524cf18ecfe148f2231f1c44dce90be19
MD5 hash: 2287d01a9c28628243ef6406fad18a4e
humanhash: hotel-finch-robin-hydrogen
File name:Quote_PDF.vbs
Download: download sample
Signature NanoCore
Create hunting rule
File size:635'169 bytes
First seen:2022-02-17 06:56:56 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12288:rCg/w4XK1nycLhBAeiBsrv7dwklwzFfdnEADY:e7yS8srv7Pl2d6v
Threatray 18'093 similar samples on MalwareBazaar
TLSH T1CAD4BF331702BC8977BB1F89F90528520CEA78EBA393902DFBC41A9910EB454DD5DDB6
Reporter abuse_ch
Tags:NanoCore RAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/242167/
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PUA.Base64EXE-2.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe nancrat obfuscated
Link:
https://www.filescan.io/uploads/620df1dca2660f3bb9ee1776/reports/2b4f5cca-f57a-4ae9-a235-741ce4925218/overview
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
Nanocore AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/941377
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Benign windows process drops PE files
Detected Nanocore Rat
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (has network functionality)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: NanoCore
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
VBScript performs obfuscated calls to suspicious functions
Yara detected AgentTesla
Yara detected Nanocore RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 573852 Sample: Quote_PDF.vbs Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Sigma detected: NanoCore 2->54 56 9 other signatures 2->56 6 wscript.exe 3 2->6         started        10 hmltog.exe 4 2->10         started        12 hmltog.exe 14 8 2->12         started        process3 dnsIp4 26 C:\Users\user\AppData\Local\Temp\name.exe, PE32 6->26 dropped 28 C:\Users\user\AppData\Local\Temp\file.exe, PE32 6->28 dropped 58 Benign windows process drops PE files 6->58 60 VBScript performs obfuscated calls to suspicious functions 6->60 15 name.exe 17 10 6->15         started        20 file.exe 8 6->20         started        62 Antivirus detection for dropped file 10->62 64 Multi AV Scanner detection for dropped file 10->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->66 74 3 other signatures 10->74 30 api.telegram.org 12->30 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->68 70 Tries to steal Mail credentials (via file / registry access) 12->70 72 Tries to harvest and steal ftp login credentials 12->72 76 2 other signatures 12->76 file5 signatures6 process7 dnsIp8 32 api.telegram.org 149.154.167.220, 443, 49821, 49822 TELEGRAMRU United Kingdom 15->32 22 C:\Users\user\AppData\Roaming\...\hmltog.exe, PE32 15->22 dropped 38 Antivirus detection for dropped file 15->38 40 Multi AV Scanner detection for dropped file 15->40 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 48 5 other signatures 15->48 34 sys2021.linkpc.net 102.89.2.139, 54955 VCG-ASNG Nigeria 20->34 36 107.173.60.45, 54955 AS-COLOCROSSINGUS United States 20->36 24 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 20->24 dropped 44 Machine Learning detection for dropped file 20->44 46 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->46 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/56ff43cdf24f23e6da12bc17ad4f4084be0193213c5f5a8f524a1e7f30d822d3/
Threat name:
Script-WScript.Trojan.Negasteal
Create hunting rule
Status:
Suspicious
First seen:
2022-02-15 16:18:00 UTC
File Type:
Text (VBS)
AV detection:
17 of 43 (39.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k37uhtpsj4r6nwqsxql22t2aqs7adezbhrpvvd2sjiph6mgyeljq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
nanocorerat
Create hunting rule
Similar samples:
0b1396805e736275f16550f3ecc5361cfcccc468094b4ea910ded8eaf430a5b3
NanoCore
4f7da7d6fb331a8098d4ce354690ffc64d8f0225307b406e722548109e669d4d
NanoCore
89b129e7f88a0d4fd5d977b3cb427866a157ef99abccc3e41c564b5a2441dafa
NanoCore
8bf0518cd0c607aa51073dfe422f6af43ab8b43523bd0c182cc6172c9ecb9072
NanoCore
8de953938b8fb2d222892012da5758cefe50de064f61416c2bc2c6e6f019352c
NanoCore
+ 18'083 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220217-hqyxksbdgk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Checks whether UAC is enabled
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
AgentTesla Payload
AgentTesla
NanoCore
Malware Config
C2 Extraction:
https://api.telegram.org/bot5127674234:AAHGscjRk7JCDDCItFO4GPZfan-K7Hc89Z8/sendDocument
107.173.60.45:54955
sys2021.linkpc.net:54955
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/56ff43cdf24f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.93
Link:
https://yomi.yoroi.company/submissions/56ff43cdf24f23e6da12bc17ad4f4084be0193213c5f5a8f524a1e7f30d822d3

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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/242167/

Comments