MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cea700a1d56f70dbcfca89039ec933d341259c67bbde48d5229df731cf4522b7. 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
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SHA256 hash: cea700a1d56f70dbcfca89039ec933d341259c67bbde48d5229df731cf4522b7
SHA3-384 hash: 9b7f1679b69b5d60b974063b5d59ce91118ab3041c076ac01b5c30cd07216b6fea1c4f9ca6f9ad6e83fde77e7ec3d612
SHA1 hash: 70dfde44b95417e067e561d50a90ba3bde1596e2
MD5 hash: 52f44e1716a37e3f03ee05de012f19e7
humanhash: tango-east-island-iowa
File name:PURCHASE ORDER EXPORT0022355048 SCAN DOC_PDF.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:939'008 bytes
First seen:2021-03-24 16:12:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'813 x AgentTesla, 19'736 x Formbook, 12'282 x SnakeKeylogger)
ssdeep 12288:6yD3Wpl0BpW4MxtDxWwFNAQvtyy50pWI/KftjPjbRWhKmiogL:6+3WpqB04Mxt3NAQFd5URaDPYhK
Threatray 1'711 similar samples on MalwareBazaar
TLSH 1415D58C5D9AC1CAD5354FA842CED4EA46EA5FF34F22D8BAF9C847CBC020B45F506526
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER EXPORT0022355048 SCAN DOC_PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-03-24 21:52:34 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/40b52a01-5bb3-41cb-9dca-23488152eefd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET-5.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Nanocore
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/652565
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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 dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 375229 Sample: PURCHASE ORDER EXPORT002235... Startdate: 24/03/2021 Architecture: WINDOWS Score: 100 59 james12.ddns.net 2->59 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Sigma detected: Scheduled temp file as task from temp location 2->73 75 14 other signatures 2->75 8 PURCHASE ORDER EXPORT0022355048 SCAN DOC_PDF.exe 7 2->8         started        12 dhcpmon.exe 2->12         started        signatures3 process4 file5 45 C:\Users\user\AppData\...\QadNCZTpeJV.exe, PE32 8->45 dropped 47 C:\Users\...\QadNCZTpeJV.exe:Zone.Identifier, ASCII 8->47 dropped 49 C:\Users\user\AppData\Local\...\tmpC132.tmp, XML 8->49 dropped 51 PURCHASE ORDER EXP...CAN DOC_PDF.exe.log, ASCII 8->51 dropped 77 Adds a directory exclusion to Windows Defender 8->77 79 Injects a PE file into a foreign processes 8->79 14 PURCHASE ORDER EXPORT0022355048 SCAN DOC_PDF.exe 1 11 8->14         started        19 powershell.exe 26 8->19         started        21 powershell.exe 24 8->21         started        23 schtasks.exe 1 8->23         started        25 powershell.exe 12->25         started        27 schtasks.exe 12->27         started        29 powershell.exe 12->29         started        31 dhcpmon.exe 12->31         started        signatures6 process7 dnsIp8 61 james12.ddns.net 79.134.225.7, 49711, 49715, 49719 FINK-TELECOM-SERVICESCH Switzerland 14->61 63 127.0.0.1 unknown unknown 14->63 53 C:\Program Files (x86)\...\dhcpmon.exe, PE32 14->53 dropped 55 C:\Users\user\AppData\Roaming\...\run.dat, data 14->55 dropped 57 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 14->57 dropped 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->65 33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        43 conhost.exe 29->43         started        file9 67 Uses dynamic DNS services 61->67 signatures10 process11
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cea700a1d56f70dbcfca89039ec933d341259c67bbde48d5229df731cf4522b7/
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2021-03-24 16:11:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
26 of 48 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z2tqbiovn5ynxt6krebz5sjt2naslhdhxppervjctx3tdt2fek3q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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fbdbd6b6c6cd7a2b07d771d9969e53689f3601bbf7355ee49138b07511b88df7
NanoCore
+ 1'701 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210324-kv7bjk3qba/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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:
james12.ddns.net:6060
127.0.0.1:6060
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
Link:
https://www.unpac.me/results/19ca35d4-2392-4018-8093-d00b36cf0972/
SH256 hash:
cea700a1d56f70dbcfca89039ec933d341259c67bbde48d5229df731cf4522b7
MD5 hash:
52f44e1716a37e3f03ee05de012f19e7
SHA1 hash:
70dfde44b95417e067e561d50a90ba3bde1596e2
Link:
https://www.unpac.me/results/19ca35d4-2392-4018-8093-d00b36cf0972/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/cea700a1d56f70dbcfca89039ec933d341259c67bbde48d5229df731cf4522b7

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
Create hunting rule
Author:jeFF0Falltrades
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.

  
Delivery method
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