MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b3d9897c4e056d862c5bd923d587baca895a1f43023ec3700ec9d1113c35d91. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b3d9897c4e056d862c5bd923d587baca895a1f43023ec3700ec9d1113c35d91
SHA3-384 hash: d73d7f1b88d802a3d01ee26c1cf8e58591074f3911477ab95243ac552db434b7942e89462fc5fc9c77084afb8cf3b70a
SHA1 hash: 6c94c1304d4e33cc2a91af9c0611d4882b433b8c
MD5 hash: c9688049153282aa7cb58296f86b21c1
humanhash: princess-edward-nuts-london
File name:image0098.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:432'128 bytes
First seen:2020-07-11 06:24:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 390e29859a8109da4988860f226bf922 (5 x AgentTesla, 4 x Loki, 1 x NanoCore)
ssdeep 12288:UbTI1REvFiF2ZapmfSA6MGp8lSVNQZT5wLfMM:gTwuw23fSp+UQfwLfMM
Threatray 2'617 similar samples on MalwareBazaar
TLSH 6E9412E2CF822AB1E4BD847785176CA42E25F081310D2F679BE98C5EF57139B7E81742
Reporter abuse_ch
Tags:exe HostGator NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: gateway20.websitewelcome.com
Sending IP: 192.185.65.13
From: MS jen <adm-doc@environmentalperu.com>
Subject: WE WILL AWAIT YOUR FEEDBACK
Attachment: image0098.gz (contains "image0098.exe")

NanoCore RAT C2:
79.134.225.5:1761

Hosted on nVpn:

% Information related to '79.134.225.0 - 79.134.225.63'

% Abuse contact for '79.134.225.0 - 79.134.225.63' is 'abuse@anmaxx.net'

inetnum: 79.134.225.0 - 79.134.225.63
netname: BASEL-HOSTING-225-0
country: CH
admin-c: AM38880-RIPE
tech-c: AM38880-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
created: 2016-04-17T00:42:52Z
last-modified: 2016-04-18T06:23:19Z
source: RIPE
remarks: abuse-c AIS166-RIPE
org: ORG-AGIS12-RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
PUA.Win.Packer.Upx-49
Create hunting rule

PUA.Win.Packer.UpxProtector-1
Create hunting rule

PUA.Win.Packer.Upolyx-12
Create hunting rule

PUA.Win.Packer.Upx-6
Create hunting rule

PUA.Win.Packer.Upx-4
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Win.Malware.Daqc-6598201-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Deleting a recently created file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun with Startup directory
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2b3d9897c4e056d862c5bd923d587baca895a1f43023ec3700ec9d1113c35d91/
Threat name:
Win32.Trojan.DelfFareIt
Create hunting rule
Status:
Malicious
First seen:
2020-07-11 06:26:07 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fm6zrf6e4blnqywfxwjd2wd3vsujlipugar6ynya5sorce6dlwiq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
hawkeyekeylogger
Create hunting rule
Similar samples:
06cd18b13e77f513e826da358a65d6f61b05769ce830c8fb9d15b916c672ea61
NanoCore
2996f332b4d95897da808e8e53b372e1a3d7537d2a0a4adc5aa47f4333a29786
NanoCore
366bac9db38e89bd47b0128bdf62a4f986d1d27449c12920744e157b819751f1
NanoCore
3874eba497e0b61949d0772430ce1df420e28777dba850a6033295212e9de9c5
NanoCore
6e417fffcd28aea1071fa5c5b240b2f2e655efd6a153040c3fb64876736dcaa5
NanoCore
a498ac74ffd2f4ceccc802b5a42f33e067a7eb6f0b2125c3cf3668dd5c0c7833
NanoCore
bc9deb7c274339a0a8b594def58348a995b3d7af4764c796c365b683b7400aea
NanoCore
caaa20071d2693f278d88f78d33eeb4a12a548d0e4eff646a4ac304915361e10
NanoCore
cc829675a0e11138d47b42b5c19e45403d7d73731aac0c97ca8b2a0e37a960f8
NanoCore
e41e433626e9dbf6c3a56c29c9dc60adfa53f71cd1c3bc10d682a1b2239c576d
NanoCore
+ 2'607 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/200711-9glnb3f9ve/
Behaviour
UPX packed file
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:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
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

gz d7f30c3f9983d399eaafbd12a2c659936533b8fc666e9116c0a0d27e92f52c3b

NanoCore

Executable exe 2b3d9897c4e056d862c5bd923d587baca895a1f43023ec3700ec9d1113c35d91

(this sample)

  
Dropped by
MD5 eca3954456294eb5891a1491179295f8
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 d7f30c3f9983d399eaafbd12a2c659936533b8fc666e9116c0a0d27e92f52c3b
Cape
Cape
https://www.capesandbox.com/analysis/24563/

Comments