MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec89b2b660ea42254a90f3b045dc98bfe6d1733878bd39a2a7030d68de169859. 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: ec89b2b660ea42254a90f3b045dc98bfe6d1733878bd39a2a7030d68de169859
SHA3-384 hash: e65c056b10b30da8b8bd6e4cdb087581eaee4bc53e15905a4527980f94ace83cb06d0462d2e55b2b33455bf70bff521b
SHA1 hash: 3dda3baf94e4a0229b8a84ead6ae5cd9f196002e
MD5 hash: 34b549041faf0dd0c585aac7bfc6f82b
humanhash: mirror-coffee-carpet-six
File name:YOUNG WOO TRADING - PO #00120320EX.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:679'424 bytes
First seen:2020-06-04 14:21:37 UTC
Last seen:2020-06-10 07:42:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:sstQB0FJM8yOFvMP9S7Jq1KPML7YwFPZ3EW7Wsv8kixW3pFMcmyuWp7pPmTppppw:ssW0RzS0AxEaW0iUuyq8a9A
Threatray 2'617 similar samples on MalwareBazaar
TLSH 3FE4B041F98469E3C93D63F01D76C82503366C29657AE0CC2CD63AEB2AF7BD21526B47
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: [185.234.216.161]
Sending IP: 185.234.216.161
From: Micheal Lee <ywvn2@youngwookr.com>
Reply-To: YOUNG WOO TRADING CO., LTD <cshz58.newcomer@chinamail.com>
Subject: YOUNG WOO TRADING - Urgent PO_#00120320
Attachment: YOUNG WOO TRADING - PO 00120320EX.rar (contains "YOUNG WOO TRADING - PO #00120320EX.exe")

NanoCore RAT C2:
185.234.216.161:2094

Intelligence

File Origin
# of uploads :
3
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-04 14:36:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
62
AV detection:
17 of 31 (54.84%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5se3fnta5jbcksuq6oyelxeyx7tnc4zypc6ttivhamgwrxqwtbmq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
2488817fd7589194d1a7781f8975be361c8153177af6f79c9c5b06960810f05c
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57f1c863e4e30e3daf8c2615372fc1961ec72e92de7b6eab13b08f25656d1530
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6163f1bf34c821d55a7e532009adc95ba921b28578a58336e5b01f6c09d4dad4
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90a3f9c16212982044dbc219b787e1ac251f48dd011a202a8c125dc049c3036a
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af7b5b39405065f105a0bf0f53578061adcd58a5861bb38827dd0f62df4f57ed
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c90e8c00718440709f2a708d2144adb877b2908b024e7a94bc20b4f9eb0ee92c
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ca2e54b05185ed7f76ba5ccf9f24a2e607a6322fdbd1acbc37902e4dac015697
NanoCore
+ 2'607 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-csc6mg7f9j/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
185.234.216.161:2094
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

rar 87a797ee14bbf4e7c88c623d456ce1324dace7337fc72c3e1f049a56f30a41c2

NanoCore

Executable exe ec89b2b660ea42254a90f3b045dc98bfe6d1733878bd39a2a7030d68de169859

(this sample)

  
Dropped by
MD5 e24758b3d9627d3c7b22e6ffd9d7f326
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 87a797ee14bbf4e7c88c623d456ce1324dace7337fc72c3e1f049a56f30a41c2

Comments