MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77bcb3f1d311acfb214c527657fe74a31498e412b940da0a9933f0ad8ab3a5ff. 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: 77bcb3f1d311acfb214c527657fe74a31498e412b940da0a9933f0ad8ab3a5ff
SHA3-384 hash: 2bf1abda7f3357f4253ff084015b8bfecee6cd6f1fffccb656282302fca3f7a4ea46c9292d13e32ac32c409ec6ad49ca
SHA1 hash: 9dcb3e9c93e10b7f32d7be5bb5a851c6dcf93a25
MD5 hash: 75fdb87b05408118d681e604d6592085
humanhash: burger-earth-georgia-mountain
File name:scan0095.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'654'272 bytes
First seen:2020-05-05 11:04:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 49152:qVg5tQ7asGFfzZ/tsIlwN95pQqeET0aG5:0g56lIqN95pReEH
Threatray 1'984 similar samples on MalwareBazaar
TLSH C375E01363DD8264C3BE91337A15B701AEBB782536A5FC3B2FD4093CA9201215E5E66F
Reporter abuse_ch
Tags:exe FedEx NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: mailhost8.tgg.net.id
Sending IP: 202.43.114.226
From: FedEx Notification <nanang.qc@taehang-indonesia.com>
Subject: Your Parcel (COMMERCIAL INVOICE, PACKING LIST&B/L)
Attachment: scan00384.img (contains "scan0095.exe")

NanoCore RAT C2:
79.134.225.33:4045

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 :
102
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27686.AidExe.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.27684.AidExe.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Occamy
Create hunting rule
Status:
Malicious
First seen:
2020-05-05 11:37:00 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=o66lh4otcgwpwikmkj3fp7tuumkjrzasxfanucuzgpyk3cvtux7q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
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NanoCore
1064f65ca25e0759b7cebcd985a6243c98ccd08317df9f87dd1c8b88c29e2a9a
NanoCore
1c2fafc2031b76ab4caf3f91474f023321703a820209da4591192b6ca7cd09d2
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2275ed4e7833bc3fc6ed7605de53e3ba46ceec5dd5e547fb8f49b977f9dfa0f0
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582ec0985f0066dab40c455d1f8e6c414d9d5d0c156f673c6327efb901d97542
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7170afaea1dbb708d92f335dbcbf2677704d6abb91cb6d3f08cca0ed470d3dac
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8275f526465d7b9d806b1be78d895d7f499044b456be1aec36b8cac8188890ac
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9480fd2481f1fdff9980c3364d5a33f8b3271e5566ca7d19329890c7c2dd20cd
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a73359e756c28a176925f85e7aa0326213bbf54c5fea0dac86215341fa258cc6
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a97cbea3af021993de44693e3dc76121041e99a3d21e4936f84341952e1464cd
NanoCore
+ 1'974 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-4c2c91sgba/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
NanoCore
Malware Config
C2 Extraction:
79.134.225.33:4045
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

img ebb45e2c83bc3cd215e5745cb47d63f81a7bd9a3668310b300cc56fe4284774f

NanoCore

Executable exe 77bcb3f1d311acfb214c527657fe74a31498e412b940da0a9933f0ad8ab3a5ff

(this sample)

  
Dropped by
MD5 495f80a2853360f580e4d1f16031177d
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ebb45e2c83bc3cd215e5745cb47d63f81a7bd9a3668310b300cc56fe4284774f

Comments