MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 042bde1dc65ab1275fd2d9eaa5abece216007b50be263edc297a6941a727d25d. 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: 5


Intelligence 5 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 042bde1dc65ab1275fd2d9eaa5abece216007b50be263edc297a6941a727d25d
SHA3-384 hash: 498b58f1d02cec3976929116eb26b6886d8436f0bda1fa61a2ed47c4c7d54653312a1d883f6eacdcfe284491186ba3dd
SHA1 hash: fa5e7491aa6dde465389545eebc9f09644feba5b
MD5 hash: e010843ce0f2f51242b3a0639c434b45
humanhash: undress-sad-five-lactose
File name:PurchaseOrder#PO7211A20_RFQss_Samples_Pacific_Keystone_co.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:341'504 bytes
First seen:2020-05-07 11:30:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:GZKvgFvJVxpAsIcCav+vXdtp7GFj/H6SkRtiuNZCVTAvyi:lgFXY81+vXdbQ/HxkRtNZWTa
Threatray 1'111 similar samples on MalwareBazaar
TLSH F374D014266E5336F0298FB21CC0E4B1C7B9A56335D1E77E8D9216CB46D6F80CA52E3B
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: manda.com
Sending IP: 94.177.232.110
From: Packey-Purchase Dept <sales.packey@ms14.hinet.net>
Subject: purchase order (PO-7211-A19)
Attachment: PurchaseOrderPO7211A20_RFQss_Samples_Pacific_Keystone_co.arj (contains "PurchaseOrder#PO7211A20_RFQss_Samples_Pacific_Keystone_co.exe")

NanoCore RAT C2:
194.5.97.48:4488

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Backdoor.MSIL.Noancooe.A.5918.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-07 14:00:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aqv54hoglkysox6s3hvklk7m4ilaa62qxytd5xbjpjuudjzh2joq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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58dea698e2c5b2a9310769bd735db939a1b6ed8cc80fdbc3aa5f0f6e25a074fc
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6f135861ec43d793a4951f05009c146c70849534bd8486fa42be291b9820650d
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7517598e76a259f655059544b46dfe2a509fb56fbdc7cee743dfbdaff5c722da
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d11f8cd2987a718cc9d0bd9de289ee8d90555115cb9d03fdc8f0b930898e4a75
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d28b1aecf31d66ac879101538af986bd720ac417046bca393e75985bea7edecf
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dedd4035d172ab0099d8803fcad64fe025d77f5520099deb74b6121a3c88e229
NanoCore
+ 1'101 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/201109-ahn81rjgbe/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
194.5.97.48:4488
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.

ba81bfbf9e7e48f8f1880317016abede

NanoCore

Executable exe 042bde1dc65ab1275fd2d9eaa5abece216007b50be263edc297a6941a727d25d

(this sample)

  
Dropped by
MD5 ba81bfbf9e7e48f8f1880317016abede
  
Delivery method
Distributed via e-mail attachment

Comments