MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fe16aaf2c93726c582ef101e9101c70fc0da0aee922c5e1c217608a785ccf23. 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: 10


Intelligence 10 IOCs 1 YARA 8 File information Comments

SHA256 hash: 5fe16aaf2c93726c582ef101e9101c70fc0da0aee922c5e1c217608a785ccf23
SHA3-384 hash: ab957148d61802f6a2d196940f5272966cb616bcf69ea3b54a379651eaa59f3b060ab6348b743774bf921a9cb05e555d
SHA1 hash: 0648b453231726a980b24b1f1c6f95778262d647
MD5 hash: 842f4c7ade9c394a53dca8c0ab3c9e00
humanhash: ten-beer-bacon-winter
File name:MV OLYMPIC PROGRESS vessel particulars.exe
Download: download sample
Signature NanoCore
File size:1'052'160 bytes
First seen:2021-05-14 15:40:40 UTC
Last seen:2021-05-15 18:22:23 UTC
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:QoLAP1hcCf7wJYpNy3HNRZJBm2SJOanW76to3sl:28O0yKHNX3ynto3
Threatray 1'908 similar samples on MalwareBazaar
TLSH BC259DA8B754D5E0D3575D7263CF0C0242271674E83BA90E9B5023BD1A7BEDF2E38989
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
185.244.26.244:2700

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
185.244.26.244:2700 https://threatfox.abuse.ch/ioc/42165/

Intelligence


File Origin
# of uploads :
3
# of downloads :
153
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MV OLYMPIC PROGRESS vessel particulars.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-14 15:46:57 UTC
Tags:
rat nanocore

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Connection attempt
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)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-14 15:41:07 UTC
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
185.244.26.244:2700
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:ach_NanoCore
Author:abuse.ch
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_nanocore_w0
Author: Kevin Breen <kevin@techanarchy.net>

File information


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

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