MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9cd75d30ef66be7f5d70754ff52882fbb390532669d60ad3ecb2df8a4f99a56. 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: a9cd75d30ef66be7f5d70754ff52882fbb390532669d60ad3ecb2df8a4f99a56
SHA3-384 hash: e24300b395ce369a700b0ef22480517a8040ea410ec980ad8d7099cf856b39fd42391ebc4af21ab188faff394fe7e62a
SHA1 hash: cf5b884c34ffac5741d44c5fe997212acca95674
MD5 hash: d2e8427920f9239cbbd8ad68d1568955
humanhash: queen-lithium-march-pluto
File name:RFQ Appendix A-G.pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:378'368 bytes
First seen:2020-05-12 08:08:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:PA9nCnRLBKS+qD2ypWvDpK07CGogSa5EE5auSvwy7zx/fa6H8AEs4xJTROV7T8Ih:PWCvKSlSJU0dS7EXE71E/27Xh
Threatray 1'585 similar samples on MalwareBazaar
TLSH CD84E1B67258EE17CBBE15FE849051D403F0F1566486F3C99CC295EA25E1FC20AC6E8B
Reporter abuse_ch
Tags:exe NanoCore


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: bcmcontrols.com
Sending IP: 37.49.230.220
From: Hani Bassem El Srouji <h.srouji@accsal.com>
Subject: RFQ- Design & Construction of the KIZAD- Abu Dhabi-Ready Mix Concrete
Attachment: RFQ Appendix A-G.pdf.arj (contains "RFQ Appendix A-G.pdf.exe")

NanoCore RAT C2:
sydney112.hopto.org:1007 (93.182.109.15)

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.DownLoader33.40725.21369.15313.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-12 02:22:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vhgxluyo6zv6p5oxa5kp6uuif65tsbjsm2owblj6zmw7rjhztjla._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
21dba41b37835f29fa4166786b44915d69109229a0fd19ee46d14cb2afa7c35b
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9aaf988f70bcd0e53ebb665226e48a2c72e2df70f9dcf0b92ae879ec68bb8e22
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acacc7f3cc09e7a711e1f7f4f9fc6633b4c48b21f17e793ec9a91c26173c1232
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bb7cadc7cf93389caec55f675b9ed8ac420330501cadd255948ecf3dac22124a
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c7b2ccb3b7d10086bb22d8b8034a4646bafb1b0a438b8e08a3cc198393d57dd7
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dff01b9f8946ed3792fe4e32ae3f95834c892f16ca219dc99d78fd15064f82a2
NanoCore
+ 1'575 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-szr7j84hqa/
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
NanoCore
Malware Config
C2 Extraction:
sydney112.hopto.org:1007
79.134.225.7:1007
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

zip a95c61c471fe4910fce19a01f8ba9453a3ff2c048c20e291fa63908f7bf5775d

NanoCore

Executable exe a9cd75d30ef66be7f5d70754ff52882fbb390532669d60ad3ecb2df8a4f99a56

(this sample)

  
Dropped by
MD5 84703a8856b60feffec3c6dcc6ff67bb
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 a95c61c471fe4910fce19a01f8ba9453a3ff2c048c20e291fa63908f7bf5775d

Comments