MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 434ea6988bc278726d61beb2804caf4d94eb0ab1984e182f1b8c4fe254b83e28. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 434ea6988bc278726d61beb2804caf4d94eb0ab1984e182f1b8c4fe254b83e28
SHA3-384 hash: 5492d77e3f2fdcab6964f59694a911c2cfa608a6939d4aaf4d28811ed0f3a157987025844d485f827be95b72f9d86cf7
SHA1 hash: 1824c91adb4848ad09974b03cfb89190febe7d85
MD5 hash: db815909ae5f04e726586453218c22d3
humanhash: kentucky-cup-charlie-saturn
File name:BGD_03987365_0398736DSC.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:699'392 bytes
First seen:2021-03-12 15:21:24 UTC
Last seen:2021-03-12 16:45:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9Vs6Qt5Qh5Wf6EwQtUoJGAiiwAx/GMJGs7vZYHlqCpppTpppgMpDp5pTpxhg:TADCWLzFizApdJGqvKoFah
Threatray 2 similar samples on MalwareBazaar
TLSH 5CE4C040F598ABB7C41562F8D47BD67812376E6AD432C81D29EA7C8F24B334170AAD1F
Reporter JAMESWT_WT
Tags:NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BGD_03987365_0398736DSC.exe
Verdict:
Malicious activity
Analysis date:
2021-03-12 15:28:07 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/3f3a647c-be5d-4add-bfc5-ecc6f10817be

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/123946/
Detection(s):
SecuriteInfo.com.Trojan.Siggen12.35942.28448.16617.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/637909
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
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)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 367931 Sample: BGD_03987365_0398736DSC.exe Startdate: 12/03/2021 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 11 other signatures 2->61 8 BGD_03987365_0398736DSC.exe 6 2->8         started        12 dhcpmon.exe 4 2->12         started        14 dhcpmon.exe 3 2->14         started        16 MSBuild.exe 2 2->16         started        process3 file4 45 C:\Users\user\AppData\Roaming\LlvbDsc.exe, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmpBD8A.tmp, XML 8->47 dropped 49 C:\Users\...\BGD_03987365_0398736DSC.exe.log, ASCII 8->49 dropped 65 Writes to foreign memory regions 8->65 67 Injects a PE file into a foreign processes 8->67 18 MSBuild.exe 1 11 8->18         started        23 schtasks.exe 1 8->23         started        25 conhost.exe 12->25         started        27 conhost.exe 14->27         started        29 conhost.exe 16->29         started        signatures5 process6 dnsIp7 51 79.134.225.74, 1116, 49747, 49748 FINK-TELECOM-SERVICESCH Switzerland 18->51 53 coded1116.myq-see.com 185.140.53.9, 1116, 49737, 49743 DAVID_CRAIGGG Sweden 18->53 41 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 18->41 dropped 43 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->43 dropped 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->63 31 schtasks.exe 1 18->31         started        33 schtasks.exe 1 18->33         started        35 conhost.exe 23->35         started        file8 signatures9 process10 process11 37 conhost.exe 31->37         started        39 conhost.exe 33->39         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/434ea6988bc278726d61beb2804caf4d94eb0ab1984e182f1b8c4fe254b83e28/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-12 09:01:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=inhkngelyj4he3lbx2ziatfpjwkowcvrtbhbqly3rrh6evfyhyua._file
Verdict:
unknown
Similar samples:
501e1888d757024cb9e6482bf74e4e8b71ed9f38a990a638f66b09d689ced67b
NanoCore
585edea471ff654f774247c1fc353ccff5bbbc35f411cb44b7aceed03c86dfd3
NanoCore
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210312-pebg3jkdhs/
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
NanoCore
Malware Config
C2 Extraction:
coded1116.myq-see.com:1116
79.134.225.74:1116
Unpacked files
SH256 hash:
1510861928b533e1529c1ffe7c6d57d9e5e928830d0afb28fd0fa730ff83fbdc
MD5 hash:
8f85df46a482b5b068ae7667bf1a33d6
SHA1 hash:
a210d369311aa4d709dc962c634174738576907e
Link:
https://www.unpac.me/results/8044f976-6814-4937-87f2-19a68b33e886/
SH256 hash:
189e267484ec84eb932e4e6cb275e06e735da1e901ff0363eb63717e9f3ea0d7
MD5 hash:
6aef68ebbf2af38af0f46a8890b07c28
SHA1 hash:
826d56f080e23df08210b776f7ef901d650ffb0b
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/8044f976-6814-4937-87f2-19a68b33e886/
Parent samples :
501e1888d757024cb9e6482bf74e4e8b71ed9f38a990a638f66b09d689ced67b
434ea6988bc278726d61beb2804caf4d94eb0ab1984e182f1b8c4fe254b83e28
6c7f7ff6b1a15fdc8a1a196002a3207195c93f9ea700b97095ef8662c880aaf0
SH256 hash:
4c378161b9d7dd94176a4f395126c98346e344a4017ebe663f52a9df5f9f59b2
MD5 hash:
4e83b3d4f1c57c4eaedf23175a161b13
SHA1 hash:
2b0b9f1b0974018f86b8be1c86295ca607b71838
Link:
https://www.unpac.me/results/8044f976-6814-4937-87f2-19a68b33e886/
SH256 hash:
434ea6988bc278726d61beb2804caf4d94eb0ab1984e182f1b8c4fe254b83e28
MD5 hash:
db815909ae5f04e726586453218c22d3
SHA1 hash:
1824c91adb4848ad09974b03cfb89190febe7d85
Link:
https://www.unpac.me/results/8044f976-6814-4937-87f2-19a68b33e886/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/434ea6988bc278726d61beb2804caf4d94eb0ab1984e182f1b8c4fe254b83e28

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.

Cape
Cape
https://www.capesandbox.com/analysis/123946/

Comments