MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bffcfa5a0174337b9a565e7880819ec3388eed4dd15a6076e4f99be4ec5d5f19. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bffcfa5a0174337b9a565e7880819ec3388eed4dd15a6076e4f99be4ec5d5f19
SHA3-384 hash: f43250a2a5ad29dd73a2240aaddca5165b7009cc0c3a3ee6df868db443052501ad7b04f8ed59b863ee187f8e32943beb
SHA1 hash: 77583907e8fca9414ed94ebcfb7789fa0fd3d939
MD5 hash: 16f9c5d86d3cf2e3c041af88ee2e56e3
humanhash: thirteen-queen-minnesota-muppet
File name:Notificación de envío rápido del servicio expreso.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:401'920 bytes
First seen:2020-06-29 06:39:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:RkWO4eClktLRbjfAbplNOnqgftcKxh1PcIejHgNpP6RUleLiGdsUSiW8gpMo2tBR:R/lk5R4Onqg1pEHECO9GdBSiW7px2m
Threatray 1'212 similar samples on MalwareBazaar
TLSH D584E05473F94707E5BE8BF814A0114057B63A567A27E39C8CC134EA1E727820F6BB6B
Reporter abuse_ch
Tags:ESP exe geo NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: vps.yidagnp.com
Sending IP: 45.95.169.73
From: RECIBO RÁPIDO IMPRESO DE SERVICIO EXPRESO <info@yidagnp.com>
Subject: Re: Notificación de envío rápido del servicio expreso
Attachment: Notificación de envío rápido del servicio expreso.r11 (contains "Notificación de envío rápido del servicio expreso.exe")

NanoCore RAT C2:
185.244.29.128:9995

Hosted on nVpn:

% Information related to '185.244.29.0 - 185.244.29.255'

% Abuse contact for '185.244.29.0 - 185.244.29.255' is 'abuse@gerber-edv.net'

inetnum: 185.244.29.0 - 185.244.29.255
netname: GERBER-NETWORK
descr: Wonsan, Kangwon-do
descr: Choson Minjujuui Inmin Konghwaguk
country: KP
admin-c: GN5022-RIPE
tech-c: GN5022-RIPE
org: ORG-GN148-RIPE
status: SUB-ALLOCATED PA
mnt-by: GERBER-MNT
created: 2018-01-31T19:41:57Z
last-modified: 2020-04-06T22:16:40Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/15408/
Detection(s):
SecuriteInfo.com.Fareit-FVR97B1CDB35EA0.28661.UNOFFICIAL
Create hunting rule

Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bffcfa5a0174337b9a565e7880819ec3388eed4dd15a6076e4f99be4ec5d5f19/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-06-29 06:41:05 UTC
AV detection:
23 of 31 (74.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x76puwqboqzxxgswlz4ibam6ym4i53kn2fnga5xe7gn6j3c5l4mq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
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41cbf7774ff46fef0f9ff796d62f44e51a64fc22020b89c04e440e5f29d44467
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61eec258ce469350a9fa37b1894742649cf28ae18c38e783bd1cd6ba1623611c
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83050c83ab71af263003fba66c14fd917289e0690a7c645a831a7626cd9f1061
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953cb68c8860e2ed1d79f3eb57820c7a04e30d9f0f7d5db7364b2369449fdd27
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9c12a04f209f22ef328eb9aba2fddacb27011152eb0cb8eff4ccdf6a4fc394c4
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ac8a96958466021dd54209aa0119c8b5fbd6360c589787a7d5159d7508462fad
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e56366d78017d877b4413031f23021dce6f39cd2207bd4324967df5aaab3c4c0
NanoCore
+ 1'202 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:nanocore evasion
Link:
https://tria.ge/reports/200629-3ecgnjy59j/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
185.244.29.128:9995
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 b517b4bd97a8dc5b74c285b7d7ff923844fe0a82ba62ab1e4ead52c4ca22d775

NanoCore

Executable exe bffcfa5a0174337b9a565e7880819ec3388eed4dd15a6076e4f99be4ec5d5f19

(this sample)

  
Dropped by
MD5 3fb34f502cc004db22e04ba7292e18e8
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b517b4bd97a8dc5b74c285b7d7ff923844fe0a82ba62ab1e4ead52c4ca22d775
Cape
Cape
https://www.capesandbox.com/analysis/15408/

Comments