MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13b341d6fa28c47d0364bedb8ca0d1f11f02847075bb1fac9c4ec9ed9e90f610. 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: 6


Intelligence 6 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13b341d6fa28c47d0364bedb8ca0d1f11f02847075bb1fac9c4ec9ed9e90f610
SHA3-384 hash: cbcef0f15eba95cc07b26205f3d7feb1739330eebec63ac3dc520d0f63bccd23b02595ff4af782ed016e73f0a2fe06eb
SHA1 hash: eafe28fe1390267adc8b44c2d6597b26a8a4213e
MD5 hash: 5e0bf478bbbe66d10d77730d4d40e958
humanhash: helium-autumn-mountain-california
File name:proforma invoice 6017020.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:369'152 bytes
First seen:2020-06-18 06:19:05 UTC
Last seen:2020-06-18 12:59:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 6144:0Sc6eTRI4RB5F/9iyMa9nDFZkrAJ9rylHn9lOl5luGEPlW871Uf/FwqeyGy:vc6eTR3lOyhDF5ryBWlY77yftwqeA
Threatray 1'340 similar samples on MalwareBazaar
TLSH 1074F106B69CCB05C5795B7EC4E3511403B47EA63A22E32EBFCA33AC09537D7590668B
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: uclswift.com
Sending IP: 37.49.224.4
From: 김갑용부장 <gr_kim@uclswift.com>
Subject: RE: proforma invoice 0607020
Attachment: proforma invoice 6017020.PDF.xz (contains "proforma invoice 6017020.exe")

NanoCore RAT C2:
indomie.linkpc.net:1818

Intelligence

File Origin
# of uploads :
2
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/19675/
Detection(s):
SecuriteInfo.com.FakeAlert.9060.1798.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-18 02:16:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cozudvx2fdch2a3ex3nyzigr6epqfbdqow5r7le4j3e63huq6yia._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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5d37ea9d96ae208d4df3961643780b97016cf055128483ae287ad86616cbea45
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682cb1c003d98478150a40e5a6eed75332e34a611749eed232e88bf6020b2c4b
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7a970d2c945adc2f8c3bbd2f57eb1d21abe8916a4f631cfed312b73847832f2b
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7cdf1294eb40f2a207f55cbb1a68761135500f64bb077a7f4ba9a7d3098850f1
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9c62e75f2dc168671bddfe8cad2b102197c10d9039d8917a7637585ff603dbdd
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9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a
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c4f0b3610d084b670fbcd8d5405153b208907ac348a190df4cfa41b1dc4f029c
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d11f8cd2987a718cc9d0bd9de289ee8d90555115cb9d03fdc8f0b930898e4a75
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ddf157853be3dbebba9eea0db9815017a0c7d8dded210a5c291d7b0ccd2fd2be
NanoCore
+ 1'330 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore persistence
Link:
https://tria.ge/reports/200624-8vfbpw23g2/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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:
INDOMIE.LINKPC.NET:1818
185.140.53.9:1818
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 e9f0de8108faa6826d3b2b64249174be641787c39f4be4696c7839797bdf4a77

NanoCore

Executable exe 13b341d6fa28c47d0364bedb8ca0d1f11f02847075bb1fac9c4ec9ed9e90f610

(this sample)

  
Dropped by
MD5 b8eda002390c7bc8b14cef237cc2ed58
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e9f0de8108faa6826d3b2b64249174be641787c39f4be4696c7839797bdf4a77
Cape
Cape
https://www.capesandbox.com/analysis/19675/

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