MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07ebf1a396b6745787090025c29f48d0ee31d06b33d6780c64dfa2a061fc03c6. 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 6 File information Comments
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SHA256 hash: 07ebf1a396b6745787090025c29f48d0ee31d06b33d6780c64dfa2a061fc03c6
SHA3-384 hash: 62e1c5509771ae47906b4d48491d8425ca78896d3082642106d14c27d7ee050cccc0ebee677c58067d4893ed2c578912
SHA1 hash: e9c9a59be94cf753b3e230630dfed29560cc58ec
MD5 hash: 0bd934bc845e87933a64eded434f8c8f
humanhash: rugby-jupiter-william-triple
File name:0bd934bc845e87933a64eded434f8c8f.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'445'376 bytes
First seen:2020-11-09 13:38:13 UTC
Last seen:2020-11-15 22:39:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:kCzFxadErdlkCg0CObS+k2t31MxhwBg79SOA8AUNsyXnhXjv66SIMhMH6FpfMHju:TJDRlkCt1XvLQOEP4fajpyPHl/kG
Threatray 1'235 similar samples on MalwareBazaar
TLSH 8065404850AA238AD47333BD67743885C3B5DA5772E8C9D3029CBBB1EE9DC365B71A01
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
NanoCore RAT C2:
atacoinc8897.hopto.org:2008 (185.244.26.199)

Pointing to nVpn:

% Information related to '185.244.26.192 - 185.244.26.255'

% Abuse contact for '185.244.26.192 - 185.244.26.255' is 'abuse@privacyfirst.sh'

inetnum: 185.244.26.192 - 185.244.26.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-EU3
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2020-04-16T22:05:10Z
last-modified: 2020-10-18T10:49:56Z
source: RIPE

Intelligence

File Origin
# of uploads :
5
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Artemis0BD934BC845E.20106.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
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
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
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/526413
Signature
.NET source code contains potential unpacker
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 312297 Sample: gSTnUDrWFe.exe Startdate: 09/11/2020 Architecture: WINDOWS Score: 100 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Sigma detected: Scheduled temp file as task from temp location 2->67 69 8 other signatures 2->69 8 gSTnUDrWFe.exe 1 6 2->8         started        12 vlc.exe 3 2->12         started        14 dhcpmon.exe 5 2->14         started        16 3 other processes 2->16 process3 file4 55 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 8->55 dropped 57 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 8->57 dropped 59 C:\Users\user\AppData\...\gSTnUDrWFe.exe.log, ASCII 8->59 dropped 73 Injects a PE file into a foreign processes 8->73 18 gSTnUDrWFe.exe 1 15 8->18         started        23 vlc.exe 12->23         started        25 vlc.exe 12->25         started        27 vlc.exe 12->27         started        29 dhcpmon.exe 14->29         started        31 gSTnUDrWFe.exe 16->31         started        33 gSTnUDrWFe.exe 16->33         started        35 dhcpmon.exe 16->35         started        37 vlc.exe 16->37         started        signatures5 process6 dnsIp7 61 atacoinc8897.hopto.org 185.244.26.199, 2008, 49742 VAMU-ASIP-TRANSITVAMURU Netherlands 18->61 47 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->47 dropped 49 C:\Users\user\AppData\Roaming\...\run.dat, data 18->49 dropped 51 C:\Users\user\AppData\Local\...\tmp6592.tmp, XML 18->51 dropped 53 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->53 dropped 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->71 39 schtasks.exe 1 18->39         started        41 schtasks.exe 1 18->41         started        file8 signatures9 process10 process11 43 conhost.exe 39->43         started        45 conhost.exe 41->45         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/07ebf1a396b6745787090025c29f48d0ee31d06b33d6780c64dfa2a061fc03c6/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
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Status:
Malicious
First seen:
2020-11-09 13:40:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=a7v7di4wwz2fpbyjaas4fh2i2dxddudlgplhqdde36rkayp4apda._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
1778a255b790b18f042384c6ebb3176d3f3f0fd172d313b07242ac42b000132e
NanoCore
1e0640a5975ce7260ddb68118389c76efc0fbbd791bcf62a3280f116a4ef4f66
NanoCore
2c76a946613af327c39bc27c9eadbdc130c649ec0b34a21db170b0bd6662f7bc
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3ef73be1c506a00042d72dbef0379db91ddccfc11485688505f043e20f8442de
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4d13350ebf3d38475a0a4a8c223fe6c06e00af3585eb499f60e29639b3944d3f
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4fe72699119a25e2d936a92d07abce418b9a0b91d742de5e21b005ffa82bba2b
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6cef6b24f9c34ef5503ed6ba52ded7847882e7599bd39954ff9d3409042eeb74
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7795d2106023220b5e106b1e05815e7818d66189c01d4bc927767008fccdc6d2
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965b61084fc5dc0ae159bb0060c74b6d313e0a6c658b6c71d371d60dd41ed1c9
NanoCore
bbd2c149ff9143d0899d89674c320ae974cc430a3b7b9807eb1bc164768faea9
NanoCore
+ 1'225 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
persistence family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201109-m9ftv96njj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
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:
atacoinc8897.hopto.org:2008
185.244.26.199:2008
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
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.

Web download

NanoCore

Executable exe 07ebf1a396b6745787090025c29f48d0ee31d06b33d6780c64dfa2a061fc03c6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/780160/
  
Delivery method
Distributed via web download

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