MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbb434180f465363ccad24124ff5a3f326d994952fe1146c8d7b7a32bf3319f3. 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: 6


Intelligence 6 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bbb434180f465363ccad24124ff5a3f326d994952fe1146c8d7b7a32bf3319f3
SHA3-384 hash: 48a52100ae472c98d4b8973b6935f01334dddfffc7747498d9cf0fe25e157a7640117c35e98f86ab63019a26c7561c0a
SHA1 hash: b7b2718783a2a286aa6f79ec72ce07f4ac550c24
MD5 hash: 4f6289f38c2e4b763aeb64c42b0baaa9
humanhash: harry-rugby-fix-table
File name:Folha de dados de cotação para nossa empresa doc.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:393'728 bytes
First seen:2020-07-03 18:01:49 UTC
Last seen:2020-07-03 18:49:27 UTC
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:nwJIaA+mQiqKqLh9Ycwp5YI1PIqsNl+Vg09tz8t+/52iL1ZSqTHHWLOgQ5sCt5dP:nFVDHWigOt5JWp8Im8ur6oBCT27
Threatray 1'120 similar samples on MalwareBazaar
TLSH 7A84D01037E08F46D5BDB3F45623921C47B7B93AE175E60C0EDA11EE0A67B818B90B5B
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: zita.lobocom.es
Sending IP: 213.162.200.38
From: João Marques <geral@bidakis.com>
Subject: RE: Cotação - Transitex
Attachment: Folha de dados de cotação para nossa empresa doc.arj (contains "Folha de dados de cotação para nossa empresa doc.exe")

NanoCore RAT C2:
24thmatch2020.duckdns.org:5626 (194.5.98.28)

Pointing to nVpn:

% Information related to '194.5.98.0 - 194.5.98.255'

% Abuse contact for '194.5.98.0 - 194.5.98.255' is 'abuse@inter-cloud.tech'

inetnum: 194.5.98.0 - 194.5.98.255
netname: Privacy_Online
descr: Longyearbyen, Svalbard und Jan Mayen
country: SJ
admin-c: RA9926-RIPE
tech-c: RA9926-RIPE
org: ORG-NFAS6-RIPE
status: ASSIGNED PA
mnt-by: inter-cloud-mnt
created: 2019-04-26T16:42:54Z
last-modified: 2020-03-13T23:11:55Z
source: RIPE

Intelligence

File Origin
# of uploads :
2
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/18777/
Detection(s):
SecuriteInfo.com.Fareit-FVX4F6289F38C2E.12679.UNOFFICIAL
Create hunting rule

Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bbb434180f465363ccad24124ff5a3f326d994952fe1146c8d7b7a32bf3319f3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-03 18:03:05 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xo2digapizjwhtfneqje75nd6mtntfevf7qri3enpn5dfpztdhzq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
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ab7af6134b5318adf07e505548873766326ddd9cb6ac89804c2e8924bceb8ec0
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c70115af42fcb154ccb1e348ee9a233e46ea70c6c7ac589bdeeb9e6cf47a7f79
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cf9ad825f52e8a1af6104737421de123b3ebe44d62a51c340d69fd1d85d9d0b2
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ebfc6d0bbfc1a7551f073d7ca017595f87f866b6632d4b405522a6a2c2ac4d4d
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fc040f79a1bc262a30ddedb9c184174b6c809282e60d04ee1ac829104967c205
NanoCore
+ 1'110 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore
Link:
https://tria.ge/reports/200703-t99pxz6hd2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks whether UAC is enabled
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
NanoCore
Malware Config
C2 Extraction:
24thmatch2020.duckdns.org:5626
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

arj 405451a0d246bb8788fcaec9c3db727a6c2e2b6a01ce77216cf27464825f6937

NanoCore

Executable exe bbb434180f465363ccad24124ff5a3f326d994952fe1146c8d7b7a32bf3319f3

(this sample)

  
Dropped by
MD5 5b6e16713bf1932d9bb42d53707b733f
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 405451a0d246bb8788fcaec9c3db727a6c2e2b6a01ce77216cf27464825f6937
Cape
Cape
https://www.capesandbox.com/analysis/18777/

Comments