MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41f79628a7ff72d611f593286f5b70a51c72f8359e6600535b1b3e9772fd7c0c. 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: 41f79628a7ff72d611f593286f5b70a51c72f8359e6600535b1b3e9772fd7c0c
SHA3-384 hash: 9ddc0c53644b1eeb589607b6b4b208f6c6f42c0ea6e0678a625fe2a105e15a51d78b575430209c98b5d832dd02ae7180
SHA1 hash: 7c6bd079eb33a25dfafa4b58a03ffd9e255f13f3
MD5 hash: b2031af28d3a5f6d99ac3606162c19a8
humanhash: white-sad-arizona-black
File name:Payment Advice - Advice Ref[GLVA30900863] ACH credits Customer Ref[ACH] Second Party Ref[190087P].pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:360'448 bytes
First seen:2020-06-22 07:40:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:Pw1mmk/8MrKI5GRzqzZp+UzOtmYS3vPVFtxNGjSbNWl5iyze9r:P5vsWZp1zOlSfPbtbpWKX
Threatray 1'196 similar samples on MalwareBazaar
TLSH BC74CE047FA9170DD16A87BE152161AA273233E65956E2CC18B7FC9E4C26F43538CBB3
Reporter abuse_ch
Tags:exe HSBC NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: mail.aduamerica.pe
Sending IP: 198.1.66.95
From: HSBC Advising Service <advising.service.187205780.622603.1928659846@mail.hsbcnet.hsbc.com>
Subject: Payment Advice - Advice Ref:[GLVA30900863] / ACH credits / Customer Ref:[ACH] / Second Party Ref:[190087P]
Attachment: Payment Advice - Advice RefGLVA30900863 ACH credits Customer RefACH Second Party Ref190087P.pdf.i (contains "Payment Advice - Advice Ref[GLVA30900863] ACH credits Customer Ref[ACH] Second Party Ref[190087P].pdf.exe")

NanoCore RAT C2:
degrace2020.hopto.org:2525

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/12457/
Detection(s):
SecuriteInfo.com.Artemis63715DF92E44.17574.UNOFFICIAL
Create hunting rule

Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/41f79628a7ff72d611f593286f5b70a51c72f8359e6600535b1b3e9772fd7c0c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-22 07:42:06 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ih3zmkfh75znmepvsmug6w3quuohf6bvtztaau23dm7jo4x5pqga._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
39dc3a88f6948d7740c6260cdabb5affccf9bcf4da744c4cc44cf674950c7c49
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6cb654eef04d1ee111df21c38103ff082fe9e035e46c036ebecc0bc21d3efd80
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6ece00da69537d12d933cfc710ef0be2f76ee8d39c111ba1726bd47c8fb8acb1
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af7b5b39405065f105a0bf0f53578061adcd58a5861bb38827dd0f62df4f57ed
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b269ac01ba383c1e9a7311cdb2af843167b3a5652d8b0791f7d61ce636a439c3
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c9522b2123a5c1d678125fecafc722f82d46c099f6c1cbcca6b95c2911130927
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e8454346c57024c395766f6c82771a58c6f03cbaa15871646cc197aae5b73461
NanoCore
+ 1'186 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
persistence evasion trojan keylogger stealer spyware family:nanocore
Link:
https://tria.ge/reports/200624-mmk2m3bxx2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run entry to start application
NanoCore
Malware Config
C2 Extraction:
degrace2020.hopto.org:2525
185.244.30.20:2525
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.

872a0ef34b18d0540c1252e2db0da880

NanoCore

Executable exe 41f79628a7ff72d611f593286f5b70a51c72f8359e6600535b1b3e9772fd7c0c

(this sample)

  
Dropped by
MD5 872a0ef34b18d0540c1252e2db0da880
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/12457/

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