MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47fcfe4b9687b8ddc8ce16c961d78a9941fa483400898e43cb4b2b8f3863f6d5. 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: 8


Intelligence 8 IOCs 1 YARA 2 File information Comments
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SHA256 hash: 47fcfe4b9687b8ddc8ce16c961d78a9941fa483400898e43cb4b2b8f3863f6d5
SHA3-384 hash: b94b5f7855ff696c1cb91c504a4ff006e69adebea7b213b2b9d40b39aef1372c79a9baac6355697185f7e1dea7bf2c24
SHA1 hash: a8a4686c8e0d75ed10eefa59b01e3da7215c846f
MD5 hash: b3c101859298060c18a83b28d0449325
humanhash: lion-london-march-helium
File name:INVOIC #CTR 110510H001347.exe
Download: download sample
Signature NanoCore
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File size:934'912 bytes
First seen:2021-05-12 10:00:44 UTC
Last seen:2021-05-12 11:04:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:NmSz7Ihj1Tkub+q4ze1jYRxBocOdZngrMP+WW:NZ7IhZ/kPXBo/dZgrg
Threatray 1'890 similar samples on MalwareBazaar
TLSH BD15028F721C73DEC69BC5717A740D309A14AFA7030B6502F9EBED6D55AE48E8E050E2
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
79.134.225.17:2050

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
79.134.225.17:2050 https://threatfox.abuse.ch/ioc/8772/

Intelligence

File Origin
# of uploads :
3
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.CYQ.genEldorado.23919.25005.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Creating a window
Sending a UDP request
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:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/779703
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Multi AV Scanner detection for dropped file
PE file contains section with special chars
PE file has nameless sections
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 412100 Sample: INVOIC #CTR 110510H001347.exe Startdate: 12/05/2021 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 15 other signatures 2->50 7 INVOIC #CTR 110510H001347.exe 7 2->7         started        11 dhcpmon.exe 5 2->11         started        process3 file4 28 C:\Users\user\AppData\...\VwvbEzxTQmiw.exe, PE32 7->28 dropped 30 C:\Users\...\VwvbEzxTQmiw.exe:Zone.Identifier, ASCII 7->30 dropped 32 C:\Users\user\AppData\Local\Temp\tmp105.tmp, XML 7->32 dropped 34 C:\...\INVOIC #CTR 110510H001347.exe.log, ASCII 7->34 dropped 52 Injects a PE file into a foreign processes 7->52 13 INVOIC #CTR 110510H001347.exe 1 12 7->13         started        18 schtasks.exe 1 7->18         started        20 schtasks.exe 1 11->20         started        22 dhcpmon.exe 2 11->22         started        signatures5 process6 dnsIp7 42 79.134.225.17, 2050, 49745, 49747 FINK-TELECOM-SERVICESCH Switzerland 13->42 36 C:\Program Files (x86)\...\dhcpmon.exe, PE32 13->36 dropped 38 C:\Users\user\AppData\Roaming\...\run.dat, data 13->38 dropped 40 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 13->40 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->54 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/47fcfe4b9687b8ddc8ce16c961d78a9941fa483400898e43cb4b2b8f3863f6d5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-12 10:01:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=i76p4s4wq64n3sgoc3ewdv4ktfa7usbuacey4q6ljmvy6odd63kq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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f29b0b35d584de9410f3ffe75e8e4dbc6d90ecbc6f2c4d9382d8faf33e88d80b
NanoCore
+ 1'880 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210512-e9pg2esp96/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
79.134.225.17:2050
127.0.0.1:2050
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/47fcfe4b9687b8ddc8ce16c961d78a9941fa483400898e43cb4b2b8f3863f6d5

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
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Comments