MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bdce1c0f19e06fe3011983fd12202ca87b82016cf29422554ec1687e0ff377f. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bdce1c0f19e06fe3011983fd12202ca87b82016cf29422554ec1687e0ff377f
SHA3-384 hash: 429f46dee5b6b2b2b228e49be8052dff359a025147823e30208e6236ef56763af350703aaa93ad48e47df818941cb410
SHA1 hash: 8d09c180533031a716ba82b4962c79aa9c244bf5
MD5 hash: 95071422265153eff8551a7c81888305
humanhash: carolina-rugby-mexico-low
File name:Orden CW62125Q, pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:653'312 bytes
First seen:2020-10-07 17:16:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:1+8u5IVWMDF0d+Dp7wq10iP+sZBgTB9/zy950akrtdoS:O5IP5M+DpEm0e+3TewKS
Threatray 1'106 similar samples on MalwareBazaar
TLSH C8D4F199E2404763CD6C82380532D83409F3BC3D96B2E25D7FEA3DBB76F7AA18911552
Reporter abuse_ch
Tags:exe NanoCore


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: serveur.cpam11.likuid.com
Sending IP: 142.44.214.241
From: María Lopez <info@adelca.com>
Subject: Orden CW62125Q
Attachment: Orden CW62125Q, pdf.xz (contains "Orden CW62125Q, pdf.exe")

NanoCore RAT C2:
graceland777.ddns.net:7771 (216.38.2.218)

Intelligence

File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/69009/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/484491
Signature
Detected Nanocore Rat
Disables Windows Defender (via service or powershell)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 294688 Sample: Orden CW62125Q, pdf.exe Startdate: 07/10/2020 Architecture: WINDOWS Score: 100 48 graceland777.ddns.net 2->48 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->56 58 12 other signatures 2->58 8 Orden CW62125Q, pdf.exe 1 7 2->8         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\PxnKuP.exe, PE32 8->34 dropped 36 C:\Users\user\...\PxnKuP.exe:Zone.Identifier, ASCII 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmpDC6D.tmp, XML 8->38 dropped 40 C:\Users\user\...\Orden CW62125Q, pdf.exe.log, ASCII 8->40 dropped 60 Disables Windows Defender (via service or powershell) 8->60 62 Injects a PE file into a foreign processes 8->62 12 Orden CW62125Q, pdf.exe 8->12         started        16 powershell.exe 25 8->16         started        18 powershell.exe 23 8->18         started        20 13 other processes 8->20 signatures6 process7 dnsIp8 50 graceland777.ddns.net 216.38.2.218, 49734, 49740, 49741 ASN-GIGENETUS United States 12->50 42 C:\Program Files (x86)\...\dhcpmon.exe, PE32 12->42 dropped 44 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 12->44 dropped 46 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 12->46 dropped 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        28 conhost.exe 20->28         started        30 conhost.exe 20->30         started        32 10 other processes 20->32 file9 process10
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4bdce1c0f19e06fe3011983fd12202ca87b82016cf29422554ec1687e0ff377f/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-10-07 16:55:14 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jpoodqhrtydp4marta75ciqczkd3qiawz4uuejku5qlipyh7g57q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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0a61e8b840644e0fb6739996a0d65da3b8b7f40478e96afbc889d9c7bf65a73f
NanoCore
15c0c580f217bf8fd7f973813900f8abb2c366b833961eb87703dc3f0b20f90b
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NanoCore
+ 1'096 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore persistence
Link:
https://tria.ge/reports/201007-lzwn3v8b4x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Windows security modification
Modifies Windows Defender Real-time Protection settings
NanoCore
Malware Config
C2 Extraction:
graceland777.ddns.net:7771
Unpacked files
SH256 hash:
4bdce1c0f19e06fe3011983fd12202ca87b82016cf29422554ec1687e0ff377f
MD5 hash:
95071422265153eff8551a7c81888305
SHA1 hash:
8d09c180533031a716ba82b4962c79aa9c244bf5
Link:
https://www.unpac.me/results/878ec1a5-3b6c-4502-b0ae-72b0c1a21ce0/
SH256 hash:
45d72deff9c81402bb52bbbc883da492b5faf44f98213bc4f3a186a8886ffc67
MD5 hash:
f8499f9180fb82b18e614d6bae1d5762
SHA1 hash:
157ab0ff2c38bb2c9988da277f79f2accd90de6a
Link:
https://www.unpac.me/results/878ec1a5-3b6c-4502-b0ae-72b0c1a21ce0/
SH256 hash:
242b8bac97cd0426b309c85209adbb25f7f56f0d29895368ffcfc1d17cd1cfe3
MD5 hash:
9518a47b779227d9777c197588941def
SHA1 hash:
175ca4c61dfa845f6d199e433d7f4af8164b00cb
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/878ec1a5-3b6c-4502-b0ae-72b0c1a21ce0/
SH256 hash:
13b24d3a09d099dabe41cd6cd71607a77e14640b1e9b4ed2d60f6c012f191c43
MD5 hash:
109cedae3c384a1913107f1efad2b7c8
SHA1 hash:
1f7f35b0ed85fa12bb839cbce698e59a30813420
Link:
https://www.unpac.me/results/878ec1a5-3b6c-4502-b0ae-72b0c1a21ce0/
SH256 hash:
5a420e74511f861cebeeed2fc2f3f85d90e9c60c75b60953c2882889d1469601
MD5 hash:
095601bd709d7ada3f6beaec6e1b722d
SHA1 hash:
a589cfbe2d87f73178f28c2caba9864ee231063b
Link:
https://www.unpac.me/results/878ec1a5-3b6c-4502-b0ae-72b0c1a21ce0/
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/4bdce1c0f19e06fe3011983fd12202ca87b82016cf29422554ec1687e0ff377f

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

xz be75337b8a942317e6c643314a74f100e269ee74bcdb893553913a023ac6e37b

NanoCore

Executable exe 4bdce1c0f19e06fe3011983fd12202ca87b82016cf29422554ec1687e0ff377f

(this sample)

  
Dropped by
MD5 6548a99563a86f32cbdc8bedd61b59a6
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69009/
  
Dropped by
SHA256 be75337b8a942317e6c643314a74f100e269ee74bcdb893553913a023ac6e37b

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