MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ca9978db84d8cad7f6a8f838e106799352c386cfa3aee2bbefa195e7fabe166. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ca9978db84d8cad7f6a8f838e106799352c386cfa3aee2bbefa195e7fabe166
SHA3-384 hash: ba6277467c72527ff57558534f46ad0e8ab7a274d92355f634781daa2cab9d77da2a11b37473f320a62cdf0cf25521bf
SHA1 hash: c28a15dd476e7bc51009bd3bbfd8dcb38a908dad
MD5 hash: be48d1528b84a01897cf4bb91b0cc0de
humanhash: lithium-lima-fix-friend
File name:INVOICE COPY.pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'107'088 bytes
First seen:2020-08-17 08:04:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:BAOcZeJbMg0EhrllyYUydc0Gxg539FQZMaBQiRtaVc:bLMAhLyjxw96ZMAR3
Threatray 1'277 similar samples on MalwareBazaar
TLSH 8D351202B6C284B2E4721D379D297B116D7C3E305E34EA6EB3D0497DEA751D0A624FB2
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: [50.3.177.69]
Sending IP: 50.3.177.69
From: aleksandr@vestholding.com
Subject: RE: REQUESTING DISCOUNT
Attachment: INVOICE COPY.lzh (contains "INVOICE COPY.pdf.exe")

NanoCore RAT C2:
bbshp.giize.com:9301 (104.255.168.249)

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/46777/
Detection(s):
SecuriteInfo.com.Gen.Variant.Johnnie.221809.751.14920.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Enabling the 'hidden' option for recently created files
Sending a UDP request
Creating a process from a recently created file
Creating a file in the %temp% directory
Adding an access-denied ACE
Creating a file in the %AppData% subdirectories
DNS request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Sending a TCP request to an infection source
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/432796
Signature
Detected Nanocore Rat
Drops PE files with a suspicious file extension
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM autoit script
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 268706 Sample: INVOICE COPY.pdf.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 92 61 Malicious sample detected (through community Yara rule) 2->61 63 Detected Nanocore Rat 2->63 65 Yara detected AntiVM autoit script 2->65 67 5 other signatures 2->67 14 INVOICE COPY.pdf.exe 59 2->14         started        17 akqwnvojv.pif 2->17         started        19 akqwnvojv.pif 2->19         started        process3 file4 57 C:\Users\user\46173289\akqwnvojv.pif, PE32 14->57 dropped 21 akqwnvojv.pif 4 3 14->21         started        24 wscript.exe 17->24         started        process5 signatures6 69 Machine Learning detection for dropped file 21->69 26 wscript.exe 1 21->26         started        28 akqwnvojv.pif 24->28         started        process7 process8 30 akqwnvojv.pif 1 26->30         started        33 wscript.exe 28->33         started        file9 59 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 30->59 dropped 35 wscript.exe 1 30->35         started        37 akqwnvojv.pif 33->37         started        process10 process11 39 akqwnvojv.pif 35->39         started        41 wscript.exe 37->41         started        process12 43 wscript.exe 39->43         started        45 akqwnvojv.pif 41->45         started        process13 47 akqwnvojv.pif 43->47         started        49 wscript.exe 45->49         started        process14 51 wscript.exe 47->51         started        53 akqwnvojv.pif 49->53         started        process15 55 akqwnvojv.pif 51->55         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1ca9978db84d8cad7f6a8f838e106799352c386cfa3aee2bbefa195e7fabe166/
Threat name:
Win32.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 02:42:47 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dsuzpdnyjwgk273kr6by4edhte2syodm7i5o4k567imv475l4fta._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 1'267 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
persistence keylogger trojan stealer spyware family:nanocore evasion
Link:
https://tria.ge/reports/200817-jfl3rtckjn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
bbshp.giize.com:9301
niiarmah.duckdns.org:9301
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1ca9978db84d8cad7f6a8f838e106799352c386cfa3aee2bbefa195e7fabe166

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
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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 db5b94e37f04f66d61ebf7725a9f4514a2b6dfb925ec94d5fd26f2934f739d46

NanoCore

Executable exe 1ca9978db84d8cad7f6a8f838e106799352c386cfa3aee2bbefa195e7fabe166

(this sample)

  
Dropped by
MD5 6ab4212bc719f110e087114d6e439c3b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/46777/
  
Dropped by
SHA256 db5b94e37f04f66d61ebf7725a9f4514a2b6dfb925ec94d5fd26f2934f739d46

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