MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 68ae61de8b2ab8c34ba06d34a09d487408f09d8b75a79c04df4fe7842de0716d. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
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SHA256 hash: 68ae61de8b2ab8c34ba06d34a09d487408f09d8b75a79c04df4fe7842de0716d
SHA3-384 hash: 7883252a4c253ec6d767c6cd629a33b7232352dc5601a945aad9525b469b56700f72d134a650e9f20153e7a895d555ba
SHA1 hash: c1dccc2ee5ee76c39e5e82fd5dc4e6e24598d562
MD5 hash: 103c986274cb8c98ffb1c772cfdea80b
humanhash: oklahoma-princess-one-carpet
File name:Memorandum of PCR test.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:728'576 bytes
First seen:2020-11-09 15:55:48 UTC
Last seen:2020-11-15 22:44:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:k0HL+1vg/U89N9oqRFip+3EPiPotBLQu:FL+tg/U89NiqFEPiYB
Threatray 1'241 similar samples on MalwareBazaar
TLSH 05F44B273396E7B1D06E553C800282FA0252BDE1DF45E21ABFC17E2E1DB3995C456AE3
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: sd.latticesystems.com
Sending IP: 204.152.206.90
From: ksa.Consulate manila <consulate_ksa_emb@gmail.com>
Subject: Memorandum
Attachment: Memorandum of PCR test.uue (contains "Memorandum of PCR test.exe")

NanoCore RAT C2:
ugococa111.ddns.net:54985 (185.19.85.140)


% Information related to '185.19.84.0 - 185.19.85.255'

% Abuse contact for '185.19.84.0 - 185.19.85.255' is 'abuse@datawire.ch'

inetnum: 185.19.84.0 - 185.19.85.255
netname: DATAWIRE-DATACENTERS
descr: CUSTOMERS ZG01
country: CH
admin-c: DA4314-RIPE
tech-c: DA4314-RIPE
status: ASSIGNED PA
mnt-by: DATAWIRE-NOC
created: 2013-09-23T14:18:55Z
last-modified: 2013-09-23T14:18:55Z
source: RIPE

Intelligence

File Origin
# of uploads :
5
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.276.27898.13973.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Running batch commands
Creating a process with a hidden window
Deleting a recently created file
DNS request
Connection attempt
Creating a file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Enabling autorun
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/526602
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Add file from suspicious location to autostart registry
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 312389 Sample: Memorandum of PCR test.exe Startdate: 09/11/2020 Architecture: WINDOWS Score: 100 63 ugococa111.freeddns.org 2->63 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Antivirus detection for dropped file 2->75 77 11 other signatures 2->77 9 Memorandum of PCR test.exe 10 2->9         started        13 svhost.exe 2 2->13         started        signatures3 process4 file5 55 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 9->55 dropped 57 C:\Users\user\AppData\...\Microsoft.exe.lnk, MS 9->57 dropped 59 C:\Users\user\AppData\...\Microsoft.exe.bat, ASCII 9->59 dropped 61 C:\Users\...\Memorandum of PCR test.exe.log, ASCII 9->61 dropped 79 Writes to foreign memory regions 9->79 81 Allocates memory in foreign processes 9->81 83 Injects a PE file into a foreign processes 9->83 15 svhost.exe 8 9->15         started        20 cmd.exe 1 9->20         started        22 cmd.exe 3 9->22         started        26 3 other processes 9->26 24 conhost.exe 13->24         started        signatures6 process7 dnsIp8 65 ugococa111.ddns.net 185.19.85.140, 49710, 49715, 49721 DATAWIRE-ASCH Switzerland 15->65 67 ugococa111.freeddns.org 15->67 47 C:\Users\user\AppData\Roaming\...\run.dat, data 15->47 dropped 49 C:\Users\user\AppData\Local\...\tmpF172.tmp, XML 15->49 dropped 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->69 28 schtasks.exe 1 15->28         started        30 reg.exe 1 1 20->30         started        33 conhost.exe 20->33         started        51 C:\Users\user\AppData\...\Microsoft.exe, PE32 22->51 dropped 35 conhost.exe 22->35         started        53 C:\Users\...\Microsoft.exe:Zone.Identifier, ASCII 26->53 dropped 37 conhost.exe 26->37         started        39 conhost.exe 26->39         started        41 conhost.exe 26->41         started        43 timeout.exe 1 26->43         started        file9 signatures10 process11 signatures12 45 conhost.exe 28->45         started        85 Creates an undocumented autostart registry key 30->85 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/68ae61de8b2ab8c34ba06d34a09d487408f09d8b75a79c04df4fe7842de0716d/
Threat name:
ByteCode-MSIL.Backdoor.NetWiredRc
Create hunting rule
Status:
Malicious
First seen:
2020-11-09 09:30:11 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ncxgdxulfk4mgs5anu2kbhkioqepbhmlowtzybg7j7tyilpaofwq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 1'231 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201109-lpcfqkyb5x/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
ugococa111.ddns.net:54985
ugococa111.freeddns.org:54985
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NetWiredRC
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/68ae61de8b2ab8c34ba06d34a09d487408f09d8b75a79c04df4fe7842de0716d

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
Create hunting rule
Author:jeFF0Falltrades
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 5ca00ba3d52c585667d5a6527f710fa119d11bf2b2f60de9fbb1ef74fdbb39dc

NanoCore

Executable exe 68ae61de8b2ab8c34ba06d34a09d487408f09d8b75a79c04df4fe7842de0716d

(this sample)

  
Dropped by
MD5 8c5a66c85a203b7f508f7a8bd6ebdae3
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 5ca00ba3d52c585667d5a6527f710fa119d11bf2b2f60de9fbb1ef74fdbb39dc

Comments