MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f22d8de0260841fba148d55ce317ac6a8c27ef46a6ccfb6ad7390eefe3d463bb. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f22d8de0260841fba148d55ce317ac6a8c27ef46a6ccfb6ad7390eefe3d463bb
SHA3-384 hash: 536f606c7e9aebd051f623a56b62d5bb6db3cfead866d721c67ce899df20d17e3a516e9bed006a00ce710a05b3c2deff
SHA1 hash: c25f51fb32448d6323344cb2a07771a3908bf682
MD5 hash: 589f3edcf4bccadde074acc68279cab1
humanhash: chicken-gee-wolfram-timing
File name:COMPANY PROFILE AND DOCUMENTED OFFER.scr
Download: download sample
Signature NanoCore
Create hunting rule
File size:520'704 bytes
First seen:2021-02-23 06:59:15 UTC
Last seen:Never
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:X9ZObojf4hfvrauupl3CE3aXqoFTxWv0wIG6:PObaGeuuphCE3aXqopYvxIG6
Threatray 1'588 similar samples on MalwareBazaar
TLSH 89B4BF21269C6B5EE03EBB784220110F47F1A616D327E68FBDE581DB7D62F414B72A13
Reporter abuse_ch
Tags:NanoCore RAT scr


Avatar
abuse_ch
NanoCore RAT C2:
hailongfvt.zapto.org

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/118463/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/614882
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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)
Initial sample is a PE file and has a suspicious name
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 356446 Sample: COMPANY PROFILE AND DOCUMEN... Startdate: 23/02/2021 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 13 other signatures 2->50 7 COMPANY PROFILE AND DOCUMENTED OFFER.exe 7 2->7         started        11 dhcpmon.exe 5 2->11         started        process3 file4 28 C:\Users\user\AppData\...\sjZXfoyePbSa.exe, PE32 7->28 dropped 30 C:\Users\...\sjZXfoyePbSa.exe:Zone.Identifier, ASCII 7->30 dropped 32 C:\Users\user\AppData\Local\...\tmp66DE.tmp, XML 7->32 dropped 34 COMPANY PROFILE AN...ENTED OFFER.exe.log, ASCII 7->34 dropped 52 Injects a PE file into a foreign processes 7->52 13 COMPANY PROFILE AND DOCUMENTED OFFER.exe 1 12 7->13         started        18 schtasks.exe 1 7->18         started        20 schtasks.exe 1 11->20         started        22 dhcpmon.exe 2 11->22         started        signatures5 process6 dnsIp7 42 hailongfvt.zapto.org 185.140.53.139, 3365, 49737, 49739 DAVID_CRAIGGG Sweden 13->42 36 C:\Program Files (x86)\...\dhcpmon.exe, PE32 13->36 dropped 38 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 13->38 dropped 40 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 13->40 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->54 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f22d8de0260841fba148d55ce317ac6a8c27ef46a6ccfb6ad7390eefe3d463bb/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-02-23 07:00:09 UTC
AV detection:
12 of 47 (25.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6iwy3ybgbba7xiki2voogf5mnkgcp32gu3gpw2wxheho7y6umo5q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
258856f05819789b47e0bed58b1df479976a355cd30b953b23f9e2f5d286578a
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2acf6c2398a12dc97ff2ceec4f348ed6338c4aafb2dcfeb24856cf8526d12a9d
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4f0035201ba7a3a536727862b8ac8dbf389038c5af1674ff7a982190fed1e30b
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644a0403a3c8254a3846b8c07aa7fdeb2cfe21aa5630ca3100949869f60ae407
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6a4ecef563225ed9892ff403374d704be5e3b4242ae9f08d624325e83fd22276
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db591a08743176655e567ddffcbbd79b9e2e31feadc1feb54a0200296a93d53d
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e26e07749118e8284c28e50553c62bdbe327234b801ffdf2eedb8663444aa459
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f3ac633354efc183e1705dd9e042d39b62208735f6f9e83534fb21c9f32b5d70
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f4bf592fde78af7ed0b06166ac8265d7b65a2457b9a61f12c2e3a4fad641ac19
NanoCore
+ 1'578 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210223-4w75tempd2/
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
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
:3365
hailongfvt.zapto.org:3365
Unpacked files
SH256 hash:
e624003658c4f8b349f567c82229fd15d1e63d3d20fe6f7b4388403038cd2a44
MD5 hash:
b6ce7c1d81b9271eab825ea63de154c3
SHA1 hash:
0e7b89555314f8908c1098b652c9bf50e5ecc27b
Link:
https://www.unpac.me/results/03c90aae-30ef-471b-b55a-6d3c8b14fdb1/
SH256 hash:
f22d8de0260841fba148d55ce317ac6a8c27ef46a6ccfb6ad7390eefe3d463bb
MD5 hash:
589f3edcf4bccadde074acc68279cab1
SHA1 hash:
c25f51fb32448d6323344cb2a07771a3908bf682
Link:
https://www.unpac.me/results/03c90aae-30ef-471b-b55a-6d3c8b14fdb1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/f22d8de0260841fba148d55ce317ac6a8c27ef46a6ccfb6ad7390eefe3d463bb

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.

Malspam

NanoCore

Executable exe f22d8de0260841fba148d55ce317ac6a8c27ef46a6ccfb6ad7390eefe3d463bb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/118463/

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