MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 498df02f7263a2b524603cb58cd01c45115645f7586147fd39b19e930dffc667. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 498df02f7263a2b524603cb58cd01c45115645f7586147fd39b19e930dffc667
SHA3-384 hash: 9b7ebf17b6eb83c953332978b9d81dda8319b51564beaf24e8e08d7f8104dc62f8c0581304dc9dc3440e88551e44ec3e
SHA1 hash: 1dffaac5e83c62a0478095c68684bc4974f559db
MD5 hash: a8911878f9c096c7bfe665b8076a8704
humanhash: butter-six-lamp-summer
File name:a8911878f9c096c7bfe665b8076a8704.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'272'320 bytes
First seen:2021-02-24 14:37:25 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:WeDlsV8+pn+BMQI6wUq0yGArEln20Em3ojpiOJ8UPm4wYHWW7xsbASBCt6e54qXo:ZLNgpRLrHz7xEBBCYe54qXAm3RBjA1
Threatray 1'637 similar samples on MalwareBazaar
TLSH 0F454B01A96ABE24E1BD933794AD4450ABF9FC50D710D82EF8D53CBD6E71BD2620F206
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
hailongfvt.zapto.org

Intelligence

File Origin
# of uploads :
1
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a8911878f9c096c7bfe665b8076a8704.exe
Verdict:
Malicious activity
Analysis date:
2021-02-24 14:37:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fde7cab8-4ec7-47d1-a995-d52708073055

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/118988/
Result
Verdict:
Clean
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/618270
Signature
.NET source code contains potential unpacker
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)
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
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
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 358139 Sample: cpIaMuv3PV.exe Startdate: 25/02/2021 Architecture: WINDOWS Score: 100 42 hailongfvt.zapto.org 2->42 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 12 other signatures 2->54 8 cpIaMuv3PV.exe 7 2->8         started        11 dhcpmon.exe 5 2->11         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\OUCEGOEkZUvjuG.exe, PE32 8->28 dropped 30 C:\...\OUCEGOEkZUvjuG.exe:Zone.Identifier, ASCII 8->30 dropped 32 C:\Users\user\AppData\Local\...\tmp2685.tmp, XML 8->32 dropped 34 C:\Users\user\AppData\...\cpIaMuv3PV.exe.log, ASCII 8->34 dropped 13 cpIaMuv3PV.exe 1 9 8->13         started        18 schtasks.exe 1 8->18         started        20 schtasks.exe 1 11->20         started        22 dhcpmon.exe 2 11->22         started        process6 dnsIp7 44 hailongfvt.zapto.org 185.140.53.139, 3365, 49716, 49723 DAVID_CRAIGGG Sweden 13->44 46 192.168.2.1 unknown unknown 13->46 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 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->56 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/498df02f7263a2b524603cb58cd01c45115645f7586147fd39b19e930dffc667/
Threat name:
ByteCode-MSIL.Spyware.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-02-24 14:38:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
40
AV detection:
20 of 48 (41.67%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jgg7al3smorlkjdahs2yzua4iuivmrpxlbqup7jzwgpjgdp7yztq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
15f0aac31d57cff82f66f71e05e8a186752b8d93ff94c0d1e7c88d11f0c0b55a
NanoCore
258856f05819789b47e0bed58b1df479976a355cd30b953b23f9e2f5d286578a
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2acf6c2398a12dc97ff2ceec4f348ed6338c4aafb2dcfeb24856cf8526d12a9d
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4f0035201ba7a3a536727862b8ac8dbf389038c5af1674ff7a982190fed1e30b
NanoCore
644a0403a3c8254a3846b8c07aa7fdeb2cfe21aa5630ca3100949869f60ae407
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6a4ecef563225ed9892ff403374d704be5e3b4242ae9f08d624325e83fd22276
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db591a08743176655e567ddffcbbd79b9e2e31feadc1feb54a0200296a93d53d
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e26e07749118e8284c28e50553c62bdbe327234b801ffdf2eedb8663444aa459
NanoCore
f3ac633354efc183e1705dd9e042d39b62208735f6f9e83534fb21c9f32b5d70
NanoCore
f4bf592fde78af7ed0b06166ac8265d7b65a2457b9a61f12c2e3a4fad641ac19
NanoCore
+ 1'627 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/210224-qcwv7ky3bn/
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:
68b716109ff4e18e21bd0acacb3796f7930771d19f6a766d7d3aa0bbde4ce7e0
MD5 hash:
a3d1d373062f59282307d4b9966d702b
SHA1 hash:
60c9c330e6ff63d3e0b3b0b700ac37bde5997ced
Link:
https://www.unpac.me/results/4660b566-ac95-470e-8132-80f2467d5fd5/
SH256 hash:
498df02f7263a2b524603cb58cd01c45115645f7586147fd39b19e930dffc667
MD5 hash:
a8911878f9c096c7bfe665b8076a8704
SHA1 hash:
1dffaac5e83c62a0478095c68684bc4974f559db
Link:
https://www.unpac.me/results/4660b566-ac95-470e-8132-80f2467d5fd5/
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
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/118988/

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