MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1fddc0cfd9632772ba10b059d83a1bb34b01a81766e61804bc39ca3898c5211. 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 5 File information Comments
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SHA256 hash: f1fddc0cfd9632772ba10b059d83a1bb34b01a81766e61804bc39ca3898c5211
SHA3-384 hash: 760cfe88a9c32f651f244529fa03906b296d2cd2bbcd3f723c4f544da6155dca9faf957ba946e3197d985e8ed50408aa
SHA1 hash: 17b3a43c427429aa84624ab6a7f21c3621cdc464
MD5 hash: 9430ffb97fd0940e0c6fcaa11d409202
humanhash: west-magnesium-undress-washington
File name:nass.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:727'040 bytes
First seen:2020-06-30 07:25:27 UTC
Last seen:2020-06-30 15:04:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:wlo3BKUilEzSwXFOYlutdHO1M26eotc3uVM7iZ/3LPerXyJRNx:wuEUi+zSwXgSutFO1M26Ftcj7iZ/SriL
Threatray 1'123 similar samples on MalwareBazaar
TLSH 40F4F1266BE88564E27FAB7EF56051508374E417C4EFEB1F4888E0FA2C53744A9037A7
Reporter JAMESWT_WT
Tags:NanoCore

Intelligence

File Origin
# of uploads :
3
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/16883/
Detection(s):
SecuriteInfo.com.MSIL.GenKryptik.ENIA.28605.UNOFFICIAL
Create hunting rule

Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f1fddc0cfd9632772ba10b059d83a1bb34b01a81766e61804bc39ca3898c5211/
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Create hunting rule
Status:
Malicious
First seen:
2020-06-30 07:27:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6h65ydh5syzhok5bbmcz3a5bxm2lagubozxgdaclyookhcmmkiiq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0de5bcc23dcfed9f7b902e5be03c518692b168180a1fc5d239c5bf01ea9be122
NanoCore
65603c7a88beb93205d2012ca8d63dba310fc0f7f91fc81300734ee3b2eb3f10
NanoCore
75830575168e1d024a8d0c86764cb9b88eea3c79f0c4a24fb39d4e94fd2c42d7
NanoCore
8caedefa8cf9273522057503dc8c9cabeaea4eb113a612040f1da56f8d85dbbf
NanoCore
aff3a5fa9bbbeaa48631511bfcf0a0cd9b4873cb2087acdc6e7a05fe3bfaaa2a
NanoCore
cf2ae6336471a78f6df77e11aaf70256bbdf16c64392c615e1ab2b3fbacce71a
NanoCore
d177132fa7941febe11431bb8dd897e86464eaac755b8e693ceba29be0f90afa
NanoCore
dcbd6522b7ba8bfb856038cf4dcb24782cab61a9e3ce15bbf9afcdff9c6c4f4a
NanoCore
dd668abafa9cbdf937e710f2e2e7f6228ca99c7a226b507d43f887c03dff8509
NanoCore
f4ca965db7cfd5944b5d6902f391f91f7c3994973955f2af97a91ec146977cc4
NanoCore
+ 1'113 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
persistence evasion trojan keylogger stealer spyware family:nanocore
Link:
https://tria.ge/reports/200630-5gms1kgs8j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run entry to start application
NanoCore
Malware Config
C2 Extraction:
mogs20.hopto.org:1085
185.244.30.251:1085
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_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/16883/

Comments