MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7398233b8b5b0e13643fcb65b54db72b99b5d2970415ab41fcdb037a780ade7d. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7398233b8b5b0e13643fcb65b54db72b99b5d2970415ab41fcdb037a780ade7d
SHA3-384 hash: d4af3985c5ebae02f742edbe1e278630a880985f061210b933aedc108c73c4ffc747469d3f8116d68ac11b4aae1943cf
SHA1 hash: 7b79efc6acb2564c42af2698f6cadd9d3d3356b4
MD5 hash: 461ae53d00a38ee662690f2e78e0b8f1
humanhash: emma-monkey-montana-mobile
File name:PO MR-30038.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'052'035 bytes
First seen:2020-06-29 07:08:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:6NA3R5drXdtSgU5qIYwK2RMYHgV2KDayVw663Wi2:z5bSWMRNHkXDaSw6l
Threatray 1'300 similar samples on MalwareBazaar
TLSH DC250103E78244F7D6760B350567AB307AB9B9301F76CA1B67A4497DAD323807E21F92
Reporter abuse_ch
Tags:exe NanoCore RAT Yahoo


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: sonic307-4.consmr.mail.sg3.yahoo.com
Sending IP: 106.10.241.181
From: Narayan Babu Mishra <kmcmanufacturing@yahoo.com>
Reply-To: Narayan Babu Mishra <kmcmanufacturing@yahoo.com>
Subject: Fw: PO. MR-30038
Attachment: PO MR-30038.z (contains "PO MR-30038.exe")

NanoCore RAT C2:
newz.sytes.net:8050 (193.218.118.190)

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/15458/
Detection(s):
SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL
Create hunting rule

Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7398233b8b5b0e13643fcb65b54db72b99b5d2970415ab41fcdb037a780ade7d/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-06-29 07:10:08 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oomcgo4llmhbgzb7zns3ktnxfom3luuxaqk2wqp43mbxu6ak3z6q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
0dea8bae5ab19f84a596f05732d91b60a1fa93cae6dfbbc1166d127c3e2834a0
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20c92a8fbd7ef9b25f61e93b0bb0c31f95040185aab9965141fbde99c47ea46d
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251c55b7c7c02eec9a87eca94bb01f653317ef5d8278aeb2b511194d7057a675
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38701fe4b63d1436ba2e26cc7e268327299b58bcccbf074bfb2cbbcf57ceb2ea
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c67fe1304d6455bcae5c07b3f7fece584628b05d286b68da6e85275f7695b2aa
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cd8770808daf4f97a339438001f0ac7dab0853feb07134e6f7bb2fc3db9581c0
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d35f40a630b2e4b24ec76c354e1e66d927afe339aaba45ff3c750ed52193c910
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e7fa1cf008969a70a894b2947737b69c26abb63378d9d4305b698b223793029f
NanoCore
+ 1'290 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:nanocore evasion persistence
Link:
https://tria.ge/reports/200629-3gj7yykx16/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run entry to start application
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
newz.sytes.net:8050
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

z 8d5c7662f8cfd3433eddc8d6d701660de6a45e65beabeb3dc592257f7a70d04a

NanoCore

Executable exe 7398233b8b5b0e13643fcb65b54db72b99b5d2970415ab41fcdb037a780ade7d

(this sample)

  
Dropped by
MD5 f762c975308a4203a5c60127a067c74a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/15458/
  
Dropped by
SHA256 8d5c7662f8cfd3433eddc8d6d701660de6a45e65beabeb3dc592257f7a70d04a

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