MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73eaba9903835c070b169ce58a90e32b5767ec5d260c0e1121bb9e29e65de363. 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: 73eaba9903835c070b169ce58a90e32b5767ec5d260c0e1121bb9e29e65de363
SHA3-384 hash: fd4b03d173a68ac9efa295893c52e0d637e421a3c0ede99a500faafd5470fd7413647862aa5c5d2b7ee776d6f565c682
SHA1 hash: eb8b32888ec1094db33ef1933feaf59e3f5ac74b
MD5 hash: 52dc752af44aac7bea6f582801857432
humanhash: idaho-queen-purple-black
File name:PURCHASE ORDER.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:882'688 bytes
First seen:2020-07-20 11:32:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:NwDKVtors1q9I6/kVdSCrxTeA0TZxKCKKFiZfu0ZsI8UqDycod+ik4g8ylSoDvJ2:Nr7orsuDAmZxliZ5Zs2qWYrE3oDvJM/
Threatray 1'154 similar samples on MalwareBazaar
TLSH 1D15E0C87A40A40EC59E1EBA4E52CD308720AD96F6F7E34727C57E9E297F39BC805251
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: sv1.per.eftel.com
Sending IP: 203.24.101.178
From: Taimi Sjöström<lknehr@buckeye-express.com>
Reply-To: Taimi Sjöström<webster@citofoniarintec.cl>
Subject: New Order
Attachment: PURCHASE ORDER.PDF.7z (contains "PURCHASE ORDER.exe")

NanoCore RAT C2:
apaduckdns.duckdns.org:54984 (46.243.144.42)

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Nanocore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29016/
Detection(s):
SecuriteInfo.com.Artemis52DC752AF44A.21958.UNOFFICIAL
Create hunting rule

Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/391472
Behaviour
Behavior Graph:
Download SVG
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/73eaba9903835c070b169ce58a90e32b5767ec5d260c0e1121bb9e29e65de363/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 11:34:06 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=opvlvgidqnoaocywttsyvehdfnlwp3c5eyga4ejbxopctzs54nrq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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a4f25a24fbcffae3e89a9dae33ff5745f94891af95f78c4900fc166d46f7b44f
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ac20916801d8b41ef785bad7a655b6ce68a08f2d9215fcd435effadacaeae1bc
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NanoCore
+ 1'144 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/200720-l118ppl9vn/
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
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
apaduckdns.duckdns.org:54984
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/73eaba9903835c070b169ce58a90e32b5767ec5d260c0e1121bb9e29e65de363

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

7z a316f9aa205ef98abe1cc8b40679e3892c9b40048e9ce811fbc7d00cb17fdfca

NanoCore

Executable exe 73eaba9903835c070b169ce58a90e32b5767ec5d260c0e1121bb9e29e65de363

(this sample)

  
Dropped by
MD5 789c0346dd385d9858ad789f719f6e7a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29016/
  
Dropped by
SHA256 a316f9aa205ef98abe1cc8b40679e3892c9b40048e9ce811fbc7d00cb17fdfca

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