MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 224d22f8d4aef39961b2c0c2bab7c06b97636a7027932e573e338cbb69aedcfd. 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 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 224d22f8d4aef39961b2c0c2bab7c06b97636a7027932e573e338cbb69aedcfd
SHA3-384 hash: 46ff18f924d721b3a03f30820f406a36bc5cee9996806690aec052dcd8c5465fc0fa6364dcb2ae7c01b6cbd1855e34f7
SHA1 hash: bbb040c219965672c886f053b6d65a153774f1c9
MD5 hash: 0fc7068a35c787d25d992c846a373bf7
humanhash: orange-lemon-cat-tennis
File name:April Demand.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'195'520 bytes
First seen:2021-04-20 08:10:12 UTC
Last seen:2021-04-20 08:53:35 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 24576:P+RROBOobXeRRRRRv6ZaqZKZc5t3ChsBa0:eE3bXeRRRRRCaqZc+tq
Threatray 1'758 similar samples on MalwareBazaar
TLSH EF45CF216FD48E1DE27A0B7844B8931483F8AC518E5BC7C9BEE734DC8DBCB955B42252
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
185.191.231.252:2525

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
185.191.231.252:2525 https://threatfox.abuse.ch/ioc/8635/

Intelligence

File Origin
# of uploads :
2
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
April Demand.exe
Verdict:
Malicious activity
Analysis date:
2021-04-20 08:24:06 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/f2ec6440-dd4d-4de9-927e-ad945cf908bb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.13879.27676.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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/688559
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)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Protects its processes via BreakOnTermination flag
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 AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 393225 Sample: April Demand.exe Startdate: 20/04/2021 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 8 other signatures 2->53 8 April Demand.exe 9 2->8         started        12 April Demand.exe 6 2->12         started        process3 file4 33 C:\Users\user\AppData\Local\...\tmp20EF.tmp, XML 8->33 dropped 35 C:\Users\user\...\April Demand.exe.log, ASCII 8->35 dropped 37 C:\Users\user\AppData\...\uyVRgmeujJzks.exe, PE32 8->37 dropped 55 Injects a PE file into a foreign processes 8->55 14 April Demand.exe 11 8->14         started        19 schtasks.exe 1 8->19         started        21 schtasks.exe 1 12->21         started        23 April Demand.exe 2 12->23         started        signatures5 process6 dnsIp7 41 185.191.231.252, 2525, 49707, 49709 UNREAL-SERVERSUS Netherlands 14->41 39 C:\Users\user\AppData\Roaming\...\run.dat, data 14->39 dropped 43 Protects its processes via BreakOnTermination flag 14->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->45 25 schtasks.exe 1 14->25         started        27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        file8 signatures9 process10 process11 31 conhost.exe 25->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/224d22f8d4aef39961b2c0c2bab7c06b97636a7027932e573e338cbb69aedcfd/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ejgsf6guv3zzsynsydblvn6anolwg2tqe6js4vz6goglw2no3t6q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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b1fafcdfd18cc67cd56d5cafc2bb1372e4be9a54b52285c52167c8a4bcf975fb
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efd9f0190abb0ef640781591f117bbc5056e1d88cdb453634b8df0eada24badd
NanoCore
+ 1'748 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210420-dd8vwvqddn/
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:
185.191.231.252:2525
holyboys.ddns.net:2525
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/224d22f8d4aef39961b2c0c2bab7c06b97636a7027932e573e338cbb69aedcfd

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.

Comments