MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b982bb28bff9233140d835bd34cb4a0ef043e2304a8ce2a934e546c1db1c475. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b982bb28bff9233140d835bd34cb4a0ef043e2304a8ce2a934e546c1db1c475
SHA3-384 hash: b5c6495ffcd75bcbd748d8b688b73d0c309dd21537162522ad3fb72f9ce57a6b857ff39740767e20d3506c1778ba8d02
SHA1 hash: 7c5fc3e6bf64ac2527062979738e457c972f9318
MD5 hash: d9ffebc5db082a1b8578599529135d4b
humanhash: mobile-florida-sad-wisconsin
File name:PURCHASE ORDER_Pdf_________.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:271'872 bytes
First seen:2020-07-13 09:53:32 UTC
Last seen:2020-07-13 11:48:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:AMa29zlAom4Emf35C09OLmIxg3W0BrUWSxTa3xV:L9zlAopEiJCMOLJxgDEe3x
Threatray 1'485 similar samples on MalwareBazaar
TLSH 5E441296475A53B4DDA92E7C7D569304E37AB6088832F71EE3083BCC89653054F36BB2
Reporter jarumlus
Tags:NanoCore

Intelligence

File Origin
# of uploads :
4
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/25179/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.51857.10944.19826.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Deleting a recently created file
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun with Startup directory
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5b982bb28bff9233140d835bd34cb4a0ef043e2304a8ce2a934e546c1db1c475/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-13 09:55:05 UTC
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lomcxmul76jdgfanqnn5gtfuudxqiprdasum4kutjzkgyhnryr2q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
1520c196804649d5a465a2003046210148f70d50e926366300214cea9ef15719
NanoCore
1f6648f6fd581ed57b9566f4eb942687aaa6401baba93ed7c287933c7d3d6ab1
NanoCore
21813f583f972f9c4e699983357c38a32f9a42821db9dad54affd80aefd89967
NanoCore
32299b31508d3573355dbee08ac526382cd90fbe5026335c5f8917ab34c02177
NanoCore
3b13bf8c3de862a6914cf5a9eb0539e0046faf3e62e7d2f0fb63001e8dd2b5a3
NanoCore
420541ff7ab7f97d2110f9c2f2488087c0d2f9e577fa5e55c73eebf4f5416bbc
NanoCore
aa8c8d0ec55c08d2adb88281098498992f2c415464626548c882cf7b59c54ed7
NanoCore
ae2e068d752e118448126ec85e5cf8d8e348113c7fbed24259c711bc8eb82ef8
NanoCore
deb000698f0c002307d6afbb61195804c955ae5b1141a1a1657ce0c5c1911e98
NanoCore
f20b3dc32d42f2f1a64414b5932cc0cb7baf99356445a770a80bf7bed7e144a8
NanoCore
+ 1'475 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/200713-aj3vrmplvj/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
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:
yaunywxb.ddns.net:2451
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
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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.

e81f939062b76d88bb9556932e669eb7fda2d575b8cf7d0c03d6225d7ccec47b

NanoCore

Executable exe 5b982bb28bff9233140d835bd34cb4a0ef043e2304a8ce2a934e546c1db1c475

(this sample)

  
Dropped by
MD5 2ccf39e308dede58d103006579382971
  
Dropped by
SHA256 e81f939062b76d88bb9556932e669eb7fda2d575b8cf7d0c03d6225d7ccec47b
  
Dropped by
NanoCore
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/25179/

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