MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50358aef1dac728a0dbc96dfb555ac4d4b91b3761785e1abfe5ac2638816ebca. 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

SHA256 hash: 50358aef1dac728a0dbc96dfb555ac4d4b91b3761785e1abfe5ac2638816ebca
SHA3-384 hash: 8bd5c160df974caef70e6d5b79a4fbbf462bd3bcfa31a3854dc1dbbe83e8dee0ca23e21c33afa6702e600c6f2bbf55d7
SHA1 hash: c0a90889542d04563cf9d7ba40294e352c37046e
MD5 hash: 65f02385fcf4d6ee88ece964c6ed5968
humanhash: floor-wolfram-sink-robert
File name:65f02385fcf4d6ee88ece964c6ed5968.exe
Download: download sample
Signature NanoCore
File size:1'016'832 bytes
First seen:2021-03-30 06:52:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:eTj0BH9P9qh2iNzFUcMH50NeOBEzuObIxjTyQZOp96kGls0oyw6S4h:40BH9P9qh1s9H50N8zxdpfmspLL4
Threatray 1'702 similar samples on MalwareBazaar
TLSH 2F25C48C2D9AC1DAC6390B7842C9C4FA46E95FF34F12887AB9C45FCBF431745E60A526
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
nassiru1144.ddns.net

Intelligence


File Origin
# of uploads :
1
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
65f02385fcf4d6ee88ece964c6ed5968.exe
Verdict:
Malicious activity
Analysis date:
2021-03-30 06:54:22 UTC
Tags:
rat 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 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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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 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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-29 15:07:48 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
194.5.98.250:1012
nassiru1144.ddns.net:1012
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
SH256 hash:
50358aef1dac728a0dbc96dfb555ac4d4b91b3761785e1abfe5ac2638816ebca
MD5 hash:
65f02385fcf4d6ee88ece964c6ed5968
SHA1 hash:
c0a90889542d04563cf9d7ba40294e352c37046e
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
Author:abuse.ch
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
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
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 50358aef1dac728a0dbc96dfb555ac4d4b91b3761785e1abfe5ac2638816ebca

(this sample)

  
Delivery method
Distributed via web download

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