MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 93bf34f3e42fb55786de7c65c2aa7f8340194e12708170e7f9a0bf0c42c2a72f. 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 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 93bf34f3e42fb55786de7c65c2aa7f8340194e12708170e7f9a0bf0c42c2a72f
SHA3-384 hash: 9ec183a46825d7d0c67eb570402d1b25a6a5e8c4950d900ad007e190c36bcc89858ae12047e23f4a6ba531edf74ecd49
SHA1 hash: 6b70ceb58a91033948913a6d77154a9a842cc883
MD5 hash: a14645df9ec875f21afb08fea742a1df
humanhash: seven-stream-india-twelve
File name:PO 2763534615.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:418'816 bytes
First seen:2020-07-13 11:36:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:eutmqKgnB/Jwor8a4agwCL+7dT8JmEmf6UTKA:Dthwg4554/TK
Threatray 1'107 similar samples on MalwareBazaar
TLSH 5994CE0D6A40C3C2EDE9E3B4E9E284F4436A2C29D428E55BCDC1BDD9F7B2751416CA27
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: relay0.mail.tigron.net
Sending IP: 86.39.66.24
From: Ng, Eliza <pch.lokal@dpt.dharmap.com>
Reply-To: almaduhector@yahoo.com
Subject: New Order & 40% deposit;;
Attachment: PO 2763534615.rar (contains "PO 2763534615.exe")

NanoCore RAT C2:
flysky1400.ddns.net:3180 (118.151.221.106)

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/25250/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.58039.22149.30296.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for analyzed file
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/93bf34f3e42fb55786de7c65c2aa7f8340194e12708170e7f9a0bf0c42c2a72f/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-07-13 03:07:36 UTC
AV detection:
28 of 48 (58.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=so7tj47ef62vpbw6prs4fkt7qnabstqsocaxbz7zuc7qyqwcu4xq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0bfd3da17d4be33712b7b66d918fa6d911d31529cb24c9c81c042e3f65c1de2f
NanoCore
62a7f441ba21aaa568fe700029fa32d6dd7eeb2ed0a7f7259a680f2aae65ee31
NanoCore
83b70b20d0cdb13e9c420723ba5f025827d21e0c051c6e64b5553a5c372c3374
NanoCore
be240aed297970b0e97f46ce8964784645c8bfeb7b4ffc451ab7857b7df8438f
NanoCore
c0fe48e42fb4769fd14e90de135d33729de312e0b82ba907885b26462f80af01
NanoCore
c21dfa284b8375b585e7d3933846c3d61337a2e0ed66cd69f1bfa81a40e4b10b
NanoCore
d86b5f7fffdf4b871b5487b02de0366b3edbd96a75f86a0f57a602796a8136da
NanoCore
e607a54592bc86fd86e26145cba601bf2dc2e94ad19bcb0a14f09398468c8265
NanoCore
e7fa1cf008969a70a894b2947737b69c26abb63378d9d4305b698b223793029f
NanoCore
eb29cff78bd1361ba91bcc9abfba066afe030631bffbb0690a6ac9f407a4b5b6
NanoCore
+ 1'097 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
persistence evasion trojan keylogger stealer spyware family:nanocore
Link:
https://tria.ge/reports/200713-2hl5bfbjqs/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run entry to start application
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
flysky1400.ddns.net:3180
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
Create hunting rule
Author:abuse.ch
Rule name:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:win_nanocore_w0
Create hunting rule
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.

Malspam

NanoCore

rar 148b7d63da244a5d4d706c351a9b8708fcefa2ca2f25112208e3bc4c5f62d5c8

NanoCore

Executable exe 93bf34f3e42fb55786de7c65c2aa7f8340194e12708170e7f9a0bf0c42c2a72f

(this sample)

  
Dropped by
MD5 8fdde438ee2af31c32ba0634aaa4d477
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/25250/
  
Dropped by
SHA256 148b7d63da244a5d4d706c351a9b8708fcefa2ca2f25112208e3bc4c5f62d5c8

Comments