MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6d3db86fa85378727353a5f021f9cb1336d822798d8b957f51975b707361ad7. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments

SHA256 hash: f6d3db86fa85378727353a5f021f9cb1336d822798d8b957f51975b707361ad7
SHA3-384 hash: 90a41e0a3244e308e4aaaa40be282aad877a1f8cd80b06f2b0210c96d9f3c027f8fa1fa864e720892bb167930783da38
SHA1 hash: cecb2e648263dfec96e1a11835f92f3e278bb171
MD5 hash: 1a48873c310f6de3254ff1858df52a53
humanhash: quiet-five-golf-spring
File name:Semra ERDOGAN PROFOMA INVOICE.008878880.exe
Download: download sample
Signature NanoCore
File size:297'984 bytes
First seen:2020-06-22 17:00:33 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 6144:OAEMhjDVjBpQkmj1octtXSPsNorG8To34zfVH9:OAEWVVZpcfiEGGR4bh9
Threatray 1'234 similar samples on MalwareBazaar
TLSH D054127416B9C22EE57D0B393CB9270103F3B1266633E73C6BAC90D63767B658980B56
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: kumtel.com
Sending IP: 37.49.224.4
From: serdogan@kumtel.com
Subject: RE: Proforma Invoice
Attachment: Semra ERDOGAN PROFOMA INVOICE.008878880.zip (contains "Semra ERDOGAN PROFOMA INVOICE.008878880.exe")

NanoCore RAT C2:
adikaremix.linkpc.net:1790 (185.140.53.13)

Pointing to nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@FOS-VPN.org'

inetnum: 185.140.53.0 - 185.140.53.255
netname: Freedom_Of_Speech_VPN
remarks: Before you contact us, please read:
remarks: 185.140.53.0/24 belongs to a NON-LOGGING VPN service.
remarks: We don't log any user activities.
remarks: We believe that the right to informational self-determination and the
remarks: right to privacy are essential to all citizens of all countries.
remarks: We don't host anything else on our servers than VPN software and our
remarks: customers can open a fixed number of Ports.
remarks: Like Public WiFi or Tor Exit Node Operators we cannot be held responsible
remarks: for the actions of our customers, because we simply can't (and to be
remarks: honest: don't want) to control them.
country: EU
org: ORG-SL751-RIPE
admin-c: SL12644-RIPE
tech-c: SL12644-RIPE
status: ASSIGNED PA
mnt-by: FOS-VPN-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-04-06T18:59:49Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-06-22 17:02:04 UTC
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:nanocore persistence evasion
Behaviour
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run entry to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
adikaremix.linkpc.net:1790
185.140.53.13:1790
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_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: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.

a8745655c3affa87e1302433b559d854

NanoCore

Executable exe f6d3db86fa85378727353a5f021f9cb1336d822798d8b957f51975b707361ad7

(this sample)

  
Dropped by
MD5 a8745655c3affa87e1302433b559d854
  
Delivery method
Distributed via e-mail attachment

Comments