MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 00b6b610ff7d07af06a0888ac2095085de70aae5238bb1e876128ed0ede3fb3e. 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 1 YARA 3 File information Comments

SHA256 hash: 00b6b610ff7d07af06a0888ac2095085de70aae5238bb1e876128ed0ede3fb3e
SHA3-384 hash: 26c7a13a8477ef6e175fefb94d4c766452d2c8c69367f28f65bc03a1ab368f7eec5c75f374df728edc2116204569cf03
SHA1 hash: df3c8093317d50ed2463fa96ca681a037123ddcf
MD5 hash: 212b4438b24a7861e987a74aeb6b937e
humanhash: edward-robert-bacon-washington
File name:RFQEMFA.Elektrik.pdf.exe
Download: download sample
Signature NanoCore
File size:974'336 bytes
First seen:2021-05-11 10:11:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:jxY6oqj5PXodOKITvNr9iuEmwE0s4oJVJMiSMUt:jYqjI/IjNBLMXsHDSp
Threatray 1'884 similar samples on MalwareBazaar
TLSH C025EF27324C6F9DE67E9B7AB434017443F8AF03E311E549BED4ECDE0961A4D4A62AC1
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 :
1
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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
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
Sigma detected: NanoCore
Sigma detected: Suspicious Double Extension
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 410886 Sample: RFQEMFA.Elektrik.pdf.exe Startdate: 11/05/2021 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 12 other signatures 2->50 7 RFQEMFA.Elektrik.pdf.exe 7 2->7         started        11 dhcpmon.exe 5 2->11         started        process3 file4 28 C:\Users\user\AppData\...\UmdaRvNPnl.exe, PE32 7->28 dropped 30 C:\Users\...\UmdaRvNPnl.exe:Zone.Identifier, ASCII 7->30 dropped 32 C:\Users\user\AppData\Local\...\tmp2354.tmp, XML 7->32 dropped 34 C:\Users\...\RFQEMFA.Elektrik.pdf.exe.log, ASCII 7->34 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 7->52 13 RFQEMFA.Elektrik.pdf.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, 49706, 49715 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
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-11 10:11:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
23 of 47 (48.94%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
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.

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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