MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c584bd401bfecf5f40656ed9af67d2b136413d4d5180aa8b065b375ea6a8eab0. 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: c584bd401bfecf5f40656ed9af67d2b136413d4d5180aa8b065b375ea6a8eab0
SHA3-384 hash: 49bdcd7c3375e822b3b527f9c79ee9dc87194bef248802becdf99e6bcf1cf5b66930b19c8e40a1533cf20e20de5fa9f6
SHA1 hash: a2424d912df91cca039e5981b633aedee1c9e9ec
MD5 hash: 3c587e32b6dbe94f94a8a1b3b25d1975
humanhash: sixteen-echo-winter-hydrogen
File name:POEA MEMORANDUM NO. 62-2020 ON ACCREDITATION OF AGENCIES.PDF.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'082'652 bytes
First seen:2020-07-21 07:38:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:6NA3R5drXdtXx4M1NXIyKMtTqsfLh2soAY5aRcKX+474f:z5bXx4MfVKMJD12xA2aa474f
Threatray 1'296 similar samples on MalwareBazaar
TLSH 3C351242F6C244F1D57319325A28AB21AD7C7A301F24CB6FB3C54D6E9E35481A639BB3
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: smtp-out4.latticesystems.com
Sending IP: 216.55.104.156
From: POEA MANILA <info1@poea.gov.ph>
Subject: POEA MEMORANDUM NO. 62-2020 ON ACCREDITATION OF AGENCIES
Attachment: POEA MEMORANDUM NO. 62-2020 ON ACCREDITATION OF AGENCIES.uue (contains "POEA MEMORANDUM NO. 62-2020 ON ACCREDITATION OF AGENCIES.PDF.exe")

NanoCore RAT C2:
alhabib4rec.freeddns.org:54985 (91.193.75.22)

Pointing to nVpn:

% Information related to '91.193.75.0 - 91.193.75.255'

% Abuse contact for '91.193.75.0 - 91.193.75.255' is 'abuse@privacyfirst.sh'

inetnum: 91.193.75.0 - 91.193.75.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-EU
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
abuse-c: ACRO34258-RIPE
mnt-by: PRIVACYFIRST-MNT
mnt-by: RIPE-NCC-END-MNT
status: ASSIGNED PI
org: ORG-KHd1-RIPE
sponsoring-org: ORG-MW1-RIPE
created: 2012-06-04T11:05:55Z
last-modified: 2020-07-15T15:25:07Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/29821/
Detection(s):
SecuriteInfo.com.Troj.NanoCo_TZ.22029.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
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Launching a process
Deleting a recently created file
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
Connection attempt to an infection source
Enabling autorun with Startup directory
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/392766
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248635 Sample: POEA MEMORANDUM NO. 62-2020... Startdate: 21/07/2020 Architecture: WINDOWS Score: 60 70 Multi AV Scanner detection for submitted file 2->70 72 Yara detected AntiVM autoit script 2->72 74 Initial sample is a PE file and has a suspicious name 2->74 14 POEA MEMORANDUM NO. 62-2020 ON ACCREDITATION OF AGENCIES.PDF.exe 23 2->14         started        16 hqsjxjhw.pif 1 1 2->16         started        18 hqsjxjhw.pif 2->18         started        20 hqsjxjhw.pif 2->20         started        process3 process4 22 hqsjxjhw.pif 4 4 14->22         started        24 wscript.exe 16->24         started        26 wscript.exe 18->26         started        28 wscript.exe 20->28         started        process5 30 wscript.exe 1 22->30         started        32 hqsjxjhw.pif 24->32         started        34 hqsjxjhw.pif 26->34         started        36 hqsjxjhw.pif 28->36         started        process6 38 hqsjxjhw.pif 1 30->38         started        40 wscript.exe 32->40         started        42 wscript.exe 34->42         started        44 wscript.exe 36->44         started        process7 46 wscript.exe 1 38->46         started        48 hqsjxjhw.pif 40->48         started        50 hqsjxjhw.pif 42->50         started        52 hqsjxjhw.pif 44->52         started        process8 54 hqsjxjhw.pif 1 46->54         started        56 wscript.exe 48->56         started        58 wscript.exe 50->58         started        process9 60 wscript.exe 54->60         started        62 hqsjxjhw.pif 56->62         started        process10 64 hqsjxjhw.pif 60->64         started        process11 66 wscript.exe 64->66         started        process12 68 hqsjxjhw.pif 66->68         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c584bd401bfecf5f40656ed9af67d2b136413d4d5180aa8b065b375ea6a8eab0/
Threat name:
Win32.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 07:40:09 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ywcl2qa373hv6qdfn3m26z6swe3ecpknkgakvcyglm3v5jvi5kya._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 1'286 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/200721-ksrtfzb87s/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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:
alhabib4rec.freeddns.org:54985
alhabib4rec.ddns.net:54985
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c584bd401bfecf5f40656ed9af67d2b136413d4d5180aa8b065b375ea6a8eab0

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

uue 09e628cbdf0e3ff05a328b431887680787337804f73df7052e1e7d7cdfe7d6af

NanoCore

Executable exe c584bd401bfecf5f40656ed9af67d2b136413d4d5180aa8b065b375ea6a8eab0

(this sample)

  
Dropped by
MD5 35608472d8776138a63b2d42a7a020cf
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29821/
  
Dropped by
SHA256 09e628cbdf0e3ff05a328b431887680787337804f73df7052e1e7d7cdfe7d6af

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