MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e120ac129520252fca7d20dc99cddc1380aab646c8330a002a52e81b0d0f29fe. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e120ac129520252fca7d20dc99cddc1380aab646c8330a002a52e81b0d0f29fe
SHA3-384 hash: 863d01784cd1e095c505453f09369e464a8598a5a1d29b7d01157f8498d9db23e6ea55354eb749668d77ca386c8146ba
SHA1 hash: 4c2ee4f8d5ef47bb596798b05759b0657dd52fdf
MD5 hash: c08eb12ecaa916adf619ee43f51eafdb
humanhash: saturn-spaghetti-comet-hot
File name:BLOCKCHAIN PROFITS.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:705'536 bytes
First seen:2020-08-12 18:19:06 UTC
Last seen:2020-08-12 18:51:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:B6XTMG1sAc03+h03+YLwecxLf9VGD7521DuXWS3davZciRz8fwQs:B6XKF03+h03+YLLcxjrGnguGS3WZdwT
Threatray 1'842 similar samples on MalwareBazaar
TLSH E8E4CF2473A19863E1763E75C9A7551407BA7CD73939C30E1A8E33CE9D333AD4A01B6A
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: coen.seguridadpublica.go.cr
Sending IP: 201.195.82.178
From: YERLANY OBANDO NUNEZ <yobando@seguridadpublica.go.cr>
Subject: NEW ORDER 31825504
Attachment: Invoice.rar (contains "BLOCKCHAIN PROFITS.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/44405/
Detection(s):
SecuriteInfo.com.RSharedStrings.32311.20153.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/423586
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Binary contains a suspicious time stamp
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 264246 Sample: BLOCKCHAIN PROFITS.exe Startdate: 13/08/2020 Architecture: WINDOWS Score: 100 53 Malicious sample detected (through community Yara rule) 2->53 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 Sigma detected: NanoCore 2->57 59 8 other signatures 2->59 8 BLOCKCHAIN PROFITS.exe 7 2->8         started        12 RegSvcs.exe 4 2->12         started        14 dhcpmon.exe 4 2->14         started        16 dhcpmon.exe 3 2->16         started        process3 file4 47 C:\Users\user\AppData\Local\...\tmp36EC.tmp, XML 8->47 dropped 49 C:\Users\user\AppData\...\WziNzEiTbSi.exe, PE32 8->49 dropped 63 Writes to foreign memory regions 8->63 65 Injects a PE file into a foreign processes 8->65 18 RegSvcs.exe 1 13 8->18         started        23 schtasks.exe 1 8->23         started        25 RegSvcs.exe 8->25         started        27 conhost.exe 12->27         started        29 conhost.exe 14->29         started        31 conhost.exe 16->31         started        signatures5 process6 dnsIp7 51 185.140.53.204, 1604, 49726, 49730 DAVID_CRAIGGG Sweden 18->51 43 C:\Users\user\AppData\Roaming\...\run.dat, data 18->43 dropped 45 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->45 dropped 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->61 33 schtasks.exe 1 18->33         started        35 schtasks.exe 1 18->35         started        37 conhost.exe 23->37         started        file8 signatures9 process10 process11 39 conhost.exe 33->39         started        41 conhost.exe 35->41         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e120ac129520252fca7d20dc99cddc1380aab646c8330a002a52e81b0d0f29fe/
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Create hunting rule
Status:
Malicious
First seen:
2020-08-12 18:21:05 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4eqkyeuveass7st5edojtto4coakvnsgzazquabkklubwdipfh7a._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
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83a8770b696746dc54258ee42b776a69feb8f2bff538b50d840dcbbe9f80cfe5
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9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a
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ea74eac48adf2b19c3102578cb14ee0cd1d51f5e5e1da2fb4ab5b0d3f7e91827
NanoCore
+ 1'832 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
persistence keylogger trojan stealer spyware family:nanocore
Link:
https://tria.ge/reports/200812-q92cd4d4yj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
NanoCore
Malware Config
C2 Extraction:
185.140.53.204:1604
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e120ac129520252fca7d20dc99cddc1380aab646c8330a002a52e81b0d0f29fe

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:RSharedStrings
Create hunting rule
Author:Katie Kleemola
Description:identifiers for remote and gmremote
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 2a6187df4e406d654968044465d208904fc30aa83aa8a97e19f9b46666273b32

NanoCore

Executable exe e120ac129520252fca7d20dc99cddc1380aab646c8330a002a52e81b0d0f29fe

(this sample)

  
Dropped by
MD5 7278c2c388b51777c7be7cc9867d9c6a
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 2a6187df4e406d654968044465d208904fc30aa83aa8a97e19f9b46666273b32
Cape
Cape
https://www.capesandbox.com/analysis/44405/

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