MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 515a2c1a3b19f636a6bf97af416d1d7c07e4780a51e4976e72bdb408f8379521. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 515a2c1a3b19f636a6bf97af416d1d7c07e4780a51e4976e72bdb408f8379521
SHA3-384 hash: be3bfc510042d8971860fdf20dff003bfcd819883bda71ba11606093c4794b900f39fb2722a00944787892ab11b35aeb
SHA1 hash: b8d819ca36580b3ce4df1648ea9e75eaf01ef421
MD5 hash: ddd0c615e21a9afb14a82a9d1e3c21de
humanhash: three-juliet-texas-arizona
File name:Logistics-04-08-2020.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:981'504 bytes
First seen:2020-08-05 06:35:11 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 12288:i8GnVktDh0WdkEOYCo9AdsHO4pXRs1+O3HOJrTGBuMq1V5p4wJ8hkdTq8ae:LGVOhdCo9Au7phg3H2GBuJVJZB
Threatray 2'474 similar samples on MalwareBazaar
TLSH 3F256CC1F5448AA1CC6A4E359D33DAB447727D6AEF47960634C4BA2738E31C39E396C2
Reporter abuse_ch
Tags:exe Hostwinds NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: hwsrv-758891.hostwindsdns.com
Sending IP: 104.168.203.3
From: Alexandro Rodríguez <info@loburig.com>
Subject: RE: Egea Logistics/04.08.2020
Attachment: Logistics-04-08-2020.r11 (contains "Logistics-04-08-2020.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38961/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Backdoor.MSIL.Bladabindi.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
DNS request
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/410168
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Detected Nanocore Rat
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/515a2c1a3b19f636a6bf97af416d1d7c07e4780a51e4976e72bdb408f8379521/
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 03:59:32 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kfncygr3dh3dnjv7s6xuc3i5pqd6i6akkhsjo3tsxw2ar6bxsuqq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
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NanoCore
293abba95362ff2a09dbb81d8cd4bb495da6d919950fec22ffc3880d8134eb49
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31be102bbdf34c472e7f3476cdecab45c76d3dc20b6e6d6ad92686f330deb280
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60c933d92c32bb887976e0b949092fd822643d445b79a3289eb548866e35ea09
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6769e022c41fa821b705a29415f8ffd4be0fc7dc2619ef595e436637f849c0cd
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8275f526465d7b9d806b1be78d895d7f499044b456be1aec36b8cac8188890ac
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e102edf045b60201468f4f7910e3ed9d78bcfb0a1e0955bf14faa9ebb2deab8f
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ee02d4480e7e74c5015af1c4617271afb1ea208b0992050726ae3bf44e268cec
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f728252169da3a6dc69cd201835230c017ce37c9a9cd06c1e7daa3153ebc6f80
NanoCore
+ 2'464 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore
Link:
https://tria.ge/reports/200805-w1sdqja59s/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
mn255.freeddns.org:1605
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/515a2c1a3b19f636a6bf97af416d1d7c07e4780a51e4976e72bdb408f8379521

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 25df86b7c684a012d595c92c1d64e70c55ed4f94111f04194ae8b5fe5a151de9

NanoCore

Executable exe 515a2c1a3b19f636a6bf97af416d1d7c07e4780a51e4976e72bdb408f8379521

(this sample)

  
Dropped by
MD5 115fe24f67d8102e4479277169f14775
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38961/
  
Dropped by
SHA256 25df86b7c684a012d595c92c1d64e70c55ed4f94111f04194ae8b5fe5a151de9

Comments