MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92a2ce50aae50a6a1f63f3e522da114fba63de1f7858bc672f9fee3d7b70374a. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 92a2ce50aae50a6a1f63f3e522da114fba63de1f7858bc672f9fee3d7b70374a
SHA3-384 hash: 424308828a7582d1e834886b76c51d2cbcb81bc22066fd60ca451704d1f8fc61993f36226c85fcf09d42884a88eed731
SHA1 hash: 55d6fb4b5e11e67ccf0a3618b6fb00d46f161bd6
MD5 hash: aa17e1f1f3f2b6b46064b5f425b5a12d
humanhash: maine-social-twenty-beryllium
File name:aa17e1f1f3f2b6b46064b5f425b5a12d.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:4'608 bytes
First seen:2021-08-30 16:09:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 48:6bt52+6sMJ3lRCQ0o7jhIB5Zsjyi8vguhPlniDAXulHYdqXSfbNtm:S5nubN79i+jZuhNni11Y3zNt
Threatray 2'833 similar samples on MalwareBazaar
TLSH T11D91B70267EC416FE07707B06CE3A7926BB6FB2649778B9E64C4031EAD127548D13BB1
Reporter abuse_ch
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
528
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Catalogue .xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-30 12:08:02 UTC
Tags:
encrypted exploit CVE-2017-11882 opendir loader rat nanocore trojan
Link:
https://app.any.run/tasks/4127e75a-5b8e-4673-9cdc-ede72a1f78ce

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/183844/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.10241.31888.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Creating a file
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a process from a recently created file
DNS request
Sending a custom TCP request
Creating a window
Sending a UDP request
Downloading the file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dcefc20b-713d-412d-9163-f788c9ad75d3
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/841735
Signature
Antivirus detection for URL or domain
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: NanoCore
Sigma detected: Powershell download and execute file
Sigma detected: PowerShell DownloadFile
Suspicious powershell command line found
Tries to download and execute files (via powershell)
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 474166 Sample: Cjx3fBaiih.exe Startdate: 30/08/2021 Architecture: WINDOWS Score: 100 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for URL or domain 2->76 78 Sigma detected: Powershell download and execute file 2->78 80 9 other signatures 2->80 10 Cjx3fBaiih.exe 2 2->10         started        13 dhcpmon.exe 2->13         started        process3 dnsIp4 54 C:\Users\user\AppData\...\Cjx3fBaiih.exe.log, ASCII 10->54 dropped 16 cmd.exe 1 10->16         started        66 www.google.com 13->66 file5 process6 dnsIp7 58 193.169.255.21 WHF-LTD-ASPL Poland 16->58 70 Suspicious powershell command line found 16->70 72 Tries to download and execute files (via powershell) 16->72 20 powershell.exe 13 16->20         started        22 powershell.exe 14 18 16->22         started        27 conhost.exe 16->27         started        signatures8 process9 dnsIp10 29 vbc.exe 15 7 20->29         started        62 193.169.255.212, 49696, 80 WHF-LTD-ASPL Poland 22->62 48 C:\Users\user\AppData\Roaming\vbc.exe, PE32 22->48 dropped 90 Powershell drops PE file 22->90 file11 signatures12 process13 dnsIp14 68 www.google.com 142.250.186.132, 443, 49700, 49713 GOOGLEUS United States 29->68 56 C:\Users\user\AppData\Local\...\sys4h57g.exe, PE32 29->56 dropped 96 Multi AV Scanner detection for dropped file 29->96 98 Machine Learning detection for dropped file 29->98 100 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->100 34 sys4h57g.exe 14 5 29->34         started        file15 signatures16 process17 dnsIp18 60 www.google.com 34->60 46 C:\Users\user\AppData\Local\...\sys4h57g.exe, PE32 34->46 dropped 82 Multi AV Scanner detection for dropped file 34->82 84 Machine Learning detection for dropped file 34->84 86 Hides that the sample has been downloaded from the Internet (zone.identifier) 34->86 88 Injects a PE file into a foreign processes 34->88 39 sys4h57g.exe 1 11 34->39         started        44 sys4h57g.exe 34->44         started        file19 signatures20 process21 dnsIp22 64 discoveryvipshinjiru2law.ooguy.com 91.193.75.238, 49722, 49725, 49728 DAVID_CRAIGGG Serbia 39->64 50 C:\Program Files (x86)\...\dhcpmon.exe, PE32 39->50 dropped 52 C:\Users\user\AppData\Roaming\...\run.dat, data 39->52 dropped 92 Hides that the sample has been downloaded from the Internet (zone.identifier) 39->92 94 Multi AV Scanner detection for dropped file 44->94 file23 signatures24
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/92a2ce50aae50a6a1f63f3e522da114fba63de1f7858bc672f9fee3d7b70374a/
Threat name:
ByteCode-MSIL.Trojan.Nitol
Create hunting rule
Status:
Malicious
First seen:
2021-08-30 14:01:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0a3a85fd6964b0cf1b61e41cc7c117ada4c8607a0107ad4921dafa69933ef0ac
NanoCore
1504763b84e950b66d6cad0d999137471b87f4a1cbedb28b9e0107ffd247d4dd
NanoCore
2df55ccbab067e73a2fa36685a48b14d0897f845b7ff25abd75f609fd0dbe415
NanoCore
5a9851575ac7feaabfd484aee3296eea2b2b18c04609a8fe1e1953f847f2c428
NanoCore
5d1c8eb7795ec2c5bfc7d1bca5f3b23887d1e264554d55f1c98858033a32973f
NanoCore
69fa6ebff614598a1243cb00bc9a7c69e60fca3c3fd93da4157c418d202f1542
NanoCore
9327c22d332141a7ee037b2d393e0ad352a2fc4f6dc9b7cf9c78155d70681e6b
NanoCore
b7ef9f5137720932895dbc0e1231e71451eace1e82f2baac3e208c969ec1e966
NanoCore
d6a8535e674dda41d9b294844be9c27b8af80831044d61354f77b50497b28fde
NanoCore
dc1f93435a858fed72eee637cb23ad024ba309ec030dfa53f2495cb16776ccfd
NanoCore
+ 2'823 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore agilenet evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210830-kkdklzlmd6/
Behaviour
Modifies system certificate store
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
Drops startup file
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
discoveryvipshinjiru2law.ooguy.com:56648
Dropper Extraction:
http://193.169.255.212/pnb/vbc.exe
Unpacked files
SH256 hash:
92a2ce50aae50a6a1f63f3e522da114fba63de1f7858bc672f9fee3d7b70374a
MD5 hash:
aa17e1f1f3f2b6b46064b5f425b5a12d
SHA1 hash:
55d6fb4b5e11e67ccf0a3618b6fb00d46f161bd6
Link:
https://www.unpac.me/results/3b85f741-a3a5-4288-be4f-f0fc89e39d65/
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/92a2ce50aae50a6a1f63f3e522da114fba63de1f7858bc672f9fee3d7b70374a

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

NanoCore

Executable exe 92a2ce50aae50a6a1f63f3e522da114fba63de1f7858bc672f9fee3d7b70374a

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/183844/
  
URLhaus
https://urlhaus.abuse.ch/url/1577628/
  
Delivery method
Distributed via web download

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