MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 243db86744fa513ab98ee06a6557d852a861b49e9a47784ddb881f6ff78d071e. 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: 243db86744fa513ab98ee06a6557d852a861b49e9a47784ddb881f6ff78d071e
SHA3-384 hash: 51587d54790a3b243aa41bc6c38e10a5345d958c93043bb7f4827e81b919c03c0474a708c15ff4a99a9ab2ceeed02492
SHA1 hash: 9cb6ab4a1b25b2b6d524f3ddb73e2ce6f1e6809b
MD5 hash: 1cfe5e7459f1c3216d0806689de00565
humanhash: beer-angel-asparagus-equal
File name:Refund report.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:579'072 bytes
First seen:2020-06-06 17:48:23 UTC
Last seen:2020-06-06 18:39:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:EPz3vKANdPMbzogR+qEiCZrJUMhHGlIf6BHHB/p0T6S8jAwnWC+I5tiDLYjMSOTW:E9tqEL9JfmloMHhh0T18PnDtOW
Threatray 1'078 similar samples on MalwareBazaar
TLSH 29C48D6513B44B0EDBBE8B3AEA6610055DF3B8036932D74E8CED34EA1B23B515901B77
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: zimbra.fcjcorp.com
Sending IP: 54.158.42.8
From: Mathew Ki <pedro.henrique@medbeta.com.br>
Reply-To: noreply@accounts.com
Subject: Refund
Attachment: Refund Report.img (contains "Refund report.exe")

NanoCore RAT C2:
mikeeee.duckdns.org:9284 (149.28.194.188)

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WEZ.6619.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-06 17:50:09 UTC
AV detection:
20 of 31 (64.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eq63qz2e7jitvomo4bvgkv6ykkugdne6tjdxqto3rapw754na4pa._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
3521a9cd1d18d9991b29966ae472097ae2996fc50c230ac06762f9e7666656f5
NanoCore
479dfa7690895205a1215d3edae68443671a448b6c09dc114d617c32f1a3d259
NanoCore
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6a0aa40f52223a55b0a01d1e3070087f8c408ba9d07159cc072092420c0b7a3a
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75830575168e1d024a8d0c86764cb9b88eea3c79f0c4a24fb39d4e94fd2c42d7
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94d56969da9a37c91e90d7b322040320285103ede8735bcca0773a1e8fd7b90a
NanoCore
a032cd20c067b83f1cab391af7671f7ae669de96dbf995f08580b14d218aeccc
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cb5eb4758a41046a2f3fc084731d756aedf8ea212dc08c9bb2e6cd7f5eff6cae
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d0a9cde7ebed2daf4306e0e76a341e6c4293bf9904ed464f5bfcb462dc0999d0
NanoCore
d8021d01301e057b4f51017952545673b0892e07d5546745fc1159d740716fbf
NanoCore
+ 1'068 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-kgshfk7k72/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
NanoCore
Malware Config
C2 Extraction:
mikeeee.duckdns.org:9284
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 093ae2d710e55d389ae27488fbf75ec1e02d577926b7d1a12518f5de728ab875

NanoCore

Executable exe 243db86744fa513ab98ee06a6557d852a861b49e9a47784ddb881f6ff78d071e

(this sample)

  
Dropped by
MD5 2fae55bb48a2214f73c3fb026d4ae21b
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 093ae2d710e55d389ae27488fbf75ec1e02d577926b7d1a12518f5de728ab875

Comments