MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1f943a87781b0cb1531b41cbad0d7db10de07e92e4a15bb5ac4c93924fb5ba5. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1f943a87781b0cb1531b41cbad0d7db10de07e92e4a15bb5ac4c93924fb5ba5
SHA3-384 hash: 9943f13d60090a9cf32c45b713c0b21005bbbfda530ee2866c8313fc9d752dfeb9b2c5cdafedbdfc003a92122dc6c065
SHA1 hash: 8b651923f4dcbcf03b98cdef9a063e6171e07104
MD5 hash: 38f7a2aec8f5d90ab730507d19eb827d
humanhash: emma-vegan-vegan-freddie
File name:PAYMENT_ADVICE_22-06-2020.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'027'549 bytes
First seen:2020-06-22 11:53:15 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 24576:6NA3R5drXdtrTzQb53PWD7y7gUNQhlx7s3oFQYcEn7mP:z5bn8NG7savxIo6dP
Threatray 1'301 similar samples on MalwareBazaar
TLSH 7E251202B6C284B2F93219368929F721A97CBD302F24CA5F77D44D6DDA75090A634FB3
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: mail.all-biz.info
Sending IP: 77.123.129.100
From: Виталий, интернет портал ALL.BIZ Беларусь <v.sokorev@partner.all.biz>
Subject: Payment Advice
Attachment: PAYMENT_ADVICE_22-06-2020.UUE (contains "PAYMENT_ADVICE_22-06-2020.exe")

NanoCore RAT C2:
172.94.47.73:54986

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/12573/
Detection(s):
PUA.Win.Downloader.Aiis-6803892-0
Create hunting rule

SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL
Create hunting rule

Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a1f943a87781b0cb1531b41cbad0d7db10de07e92e4a15bb5ac4c93924fb5ba5/
Threat name:
Win32.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-22 11:55:04 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uh4uhkdxqgymwfjrwqolvugx3min4b7jfzfblo22ytetsjh3losq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
01d06f60795cc63acabaa25c87909e436a7160a172e59c22f341ebad725998b2
NanoCore
0dea8bae5ab19f84a596f05732d91b60a1fa93cae6dfbbc1166d127c3e2834a0
NanoCore
0eb41e962d7be24fe14670c0bda3283dd6db00bbe813d1d93da23c125af8e4dc
NanoCore
20c92a8fbd7ef9b25f61e93b0bb0c31f95040185aab9965141fbde99c47ea46d
NanoCore
251c55b7c7c02eec9a87eca94bb01f653317ef5d8278aeb2b511194d7057a675
NanoCore
38701fe4b63d1436ba2e26cc7e268327299b58bcccbf074bfb2cbbcf57ceb2ea
NanoCore
c67fe1304d6455bcae5c07b3f7fece584628b05d286b68da6e85275f7695b2aa
NanoCore
cd8770808daf4f97a339438001f0ac7dab0853feb07134e6f7bb2fc3db9581c0
NanoCore
d35f40a630b2e4b24ec76c354e1e66d927afe339aaba45ff3c750ed52193c910
NanoCore
e7fa1cf008969a70a894b2947737b69c26abb63378d9d4305b698b223793029f
NanoCore
+ 1'291 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/200624-rfay4r6ye2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetThreadContext
Adds Run entry to start application
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
iutkcom.duckdns.org:54986
katrinapastternak.duckdns.org:54986
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.

2d3a9c9a76bbba6b4ee06f9e90753756

NanoCore

Executable exe a1f943a87781b0cb1531b41cbad0d7db10de07e92e4a15bb5ac4c93924fb5ba5

(this sample)

  
Dropped by
MD5 2d3a9c9a76bbba6b4ee06f9e90753756
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/12573/

Comments