MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e6cf0bf090cbdb064a483cacc7bb094759083e8b5f199be562e30fed979398f. 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 11 File information Comments

SHA256 hash: 1e6cf0bf090cbdb064a483cacc7bb094759083e8b5f199be562e30fed979398f
SHA3-384 hash: 18061eb9328eeffda0db4dc44da3c4dc9c056913d8303f4ef0ca3f480831f804772bd39bb70b50831bd12820719ab474
SHA1 hash: 860326f7ed714e3d5c42d1451a86730d48defcd8
MD5 hash: 215b737d29d0253752bd2063777bbc62
humanhash: double-bravo-victor-nuts
File name:215b737d29d0253752bd2063777bbc62.exe
Download: download sample
Signature NanoCore
File size:905'728 bytes
First seen:2021-03-01 13:03:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:2kluz/D9guZa1ufui4pccUhvQNweSxcT1Pajo29bllO3bpfqQxQ:GzBguZa1uJge7w1yM29j0bpfqqQ
Threatray 4'404 similar samples on MalwareBazaar
TLSH 9D15F1127ED28527FB2D037960A9150413B0924A76F3E76B3CAC34FA9B437516609ABF
Reporter abuse_ch
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
1
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
215b737d29d0253752bd2063777bbc62.exe
Verdict:
Malicious activity
Analysis date:
2021-03-01 13:09:01 UTC
Tags:
trojan rat darkcomet nanocore

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Enabling the 'hidden' option for files in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Creating a process from a recently created file
Sending a UDP request
Creating a window
Setting a keyboard event handler
DNS request
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Connection attempt to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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 AgentTesla DarkComet
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to log keystrokes
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected DarkComet
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 360252 Sample: 2On4skpKhG.exe Startdate: 01/03/2021 Architecture: WINDOWS Score: 100 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus detection for dropped file 2->74 76 17 other signatures 2->76 8 Regsvc1?.exe 5 2->8         started        13 2On4skpKhG.exe 2 2->13         started        15 RegsvcN.exe 3 2->15         started        17 4 other processes 2->17 process3 dnsIp4 68 192.168.2.1 unknown unknown 8->68 52 C:\Users\user\AppData\Local\...\RegsvcO.exe, PE32 8->52 dropped 54 C:\Users\user\AppData\Local\...\RegsvcN.exe, PE32 8->54 dropped 56 C:\Users\user\AppData\Local\...\RegsvcD.exe, PE32 8->56 dropped 96 Antivirus detection for dropped file 8->96 98 Multi AV Scanner detection for dropped file 8->98 100 Machine Learning detection for dropped file 8->100 19 RegsvcD.exe 3 8->19         started        23 RegsvcN.exe 1 13 8->23         started        26 RegsvcO.exe 2 8->26         started        58 C:\Users\user\AppData\Local\...\Regsvc1?.exe, PE32 13->58 dropped 60 C:\Users\user\AppData\...\2On4skpKhG.exe.log, ASCII 13->60 dropped 28 schtasks.exe 1 13->28         started        62 C:\Users\user\AppData\...\RegsvcN.exe.log, ASCII 15->62 dropped 64 C:\Users\user\AppData\...\dhcpmon.exe.log, ASCII 17->64 dropped 30 RegsvcN.exe 17->30         started        32 RegsvcD.exe 17->32         started        34 RegsvcO.exe 17->34         started        file5 signatures6 process7 dnsIp8 66 amariceo.duckdns.org 212.100.80.104, 4174, 60400 CYBERSPACE-ASAutonomousSystemnumberforCyberSpaceIL Nigeria 19->66 78 Antivirus detection for dropped file 19->78 80 Contains functionality to log keystrokes 19->80 82 Contains functionalty to change the wallpaper 19->82 94 5 other signatures 19->94 46 C:\Program Files (x86)\...\dhcpmon.exe, PE32 23->46 dropped 48 C:\Users\user\AppData\Roaming\...\run.dat, data 23->48 dropped 50 C:\Users\user\AppData\Local\...\tmpD85B.tmp, XML 23->50 dropped 84 Multi AV Scanner detection for dropped file 23->84 86 Machine Learning detection for dropped file 23->86 88 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->88 36 schtasks.exe 1 23->36         started        38 schtasks.exe 1 23->38         started        90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 26->90 92 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 26->92 40 conhost.exe 28->40         started        file9 signatures10 process11 process12 42 conhost.exe 36->42         started        44 conhost.exe 38->44         started       
Threat name:
ByteCode-MSIL.Backdoor.Fynloski
Status:
Malicious
First seen:
2021-03-01 13:04:08 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:agenttesla family:darkcomet family:nanocore evasion keylogger persistence rat spyware stealer trojan upx
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: SetClipboardViewer
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Adds Run key to start application
Checks whether UAC is enabled
Executes dropped EXE
UPX packed file
AgentTesla Payload
AgentTesla
Darkcomet
NanoCore
Malware Config
C2 Extraction:
amariceo.duckdns.org:60400
Unpacked files
SH256 hash:
83a5d6da50195774a35e46a89d8d9854b4282ec5a3fffa02fa0f7c90d274117f
MD5 hash:
360cdd3b5042160e63061f805025f738
SHA1 hash:
350ed5ef071245ed694fbeca0044eb14b20bea91
SH256 hash:
1e6cf0bf090cbdb064a483cacc7bb094759083e8b5f199be562e30fed979398f
MD5 hash:
215b737d29d0253752bd2063777bbc62
SHA1 hash:
860326f7ed714e3d5c42d1451a86730d48defcd8
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:adonunix
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:Intezer_Vaccine_DarkComet
Author:Intezer Labs
Description:Automatic YARA vaccination rule created based on the file's genes
Reference:https://analyze.intezer.com
Rule name:IPPort_combo_mem
Author:James_inthe_box
Description:IP and port combo
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Malware_QA_update
Author:Florian Roth
Description:VT Research QA uploaded malware - file update.exe
Reference:VT Research QA
Rule name:RAT_DarkComet
Author:Kevin Breen <kevin@techanarchy.net>
Description:Detects DarkComet RAT
Reference:http://malwareconfig.com/stats/DarkComet
Rule name:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:upx_packed
Description:UPX packed file
Rule name:win_darkcomet_a0
Author:David Cannings
Description:Strings from the Dark Comet 5.2 stub
Rule name:win_darkcomet_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_darkcomet_g0
Author:Kevin Breen / Jean-Philippe Teissier / botherder / Florian Roth / David Cannings / Slavo Greminger, SWITCH-CERT

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

NanoCore

Executable exe 1e6cf0bf090cbdb064a483cacc7bb094759083e8b5f199be562e30fed979398f

(this sample)

  
Delivery method
Distributed via web download

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