MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd386b60f5a095f369d4473d5f3185c226363a563f45326cea048e10f0ff403b. 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: 13


Intelligence 13 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd386b60f5a095f369d4473d5f3185c226363a563f45326cea048e10f0ff403b
SHA3-384 hash: 625eae097c10db0a373eae99660bf94e2d9e64d8d830ae323e85f118eaf38cca3babceb07fec5f3968b0f21546795006
SHA1 hash: a68c405aa1bec64c9790c321b4785c98f5c9a2a6
MD5 hash: 8ae8a20159a1fdedd8c4937e8cc4c571
humanhash: rugby-video-hamper-alpha
File name:RHK098760045678009000.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:446'374 bytes
First seen:2021-10-27 10:21:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:vBlL/qJ0hAJgtOHh6K6wiqyv/9nWZbcqzr2VURH2W1yS1dk3kqA/eFaTQH:J+0hAgtOHEK61B/9yn662WwS1dkdAfTo
Threatray 3'179 similar samples on MalwareBazaar
TLSH T1C294011A33E499EBC8968371E8BBD620A371FD1852A16F4773C0B65F5CB32C51A172C9
File icon (PE):PE icon
dhash icon 9271cceaf2f47182 (1 x NanoCore)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
185.222.57.90:4445

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
185.222.57.90:4445 https://threatfox.abuse.ch/ioc/237971/

Intelligence

File Origin
# of uploads :
1
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/200461/
Detection(s):
SecuriteInfo.com.Zum.Androm.1.9821.20548.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/6179284da9d585e6d53b01d2/reports/41b26a7a-6497-4313-b898-2160a0e6bbc7/overview
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.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6491b79a-709b-4a63-bbdf-546d68bb7a42
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/877619
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 510055 Sample: RHK098760045678009000.exe Startdate: 27/10/2021 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 11 other signatures 2->69 8 RHK098760045678009000.exe 17 2->8         started        12 RHK098760045678009000.exe 16 2->12         started        14 dhcpmon.exe 16 2->14         started        16 dhcpmon.exe 16 2->16         started        process3 dnsIp4 51 C:\Users\user\AppData\Local\...\fbnwl.dll, PE32 8->51 dropped 73 Detected unpacking (changes PE section rights) 8->73 75 Detected unpacking (overwrites its own PE header) 8->75 77 Uses schtasks.exe or at.exe to add and modify task schedules 8->77 19 RHK098760045678009000.exe 1 18 8->19         started        53 C:\Users\user\AppData\Local\...\fbnwl.dll, PE32 12->53 dropped 79 Injects a PE file into a foreign processes 12->79 24 RHK098760045678009000.exe 3 12->24         started        55 C:\Users\user\AppData\Local\...\fbnwl.dll, PE32 14->55 dropped 26 dhcpmon.exe 2 14->26         started        59 192.168.2.1 unknown unknown 16->59 57 C:\Users\user\AppData\Local\...\fbnwl.dll, PE32 16->57 dropped file5 signatures6 process7 dnsIp8 61 185.222.57.90, 4445, 49748, 49749 ROOTLAYERNETNL Netherlands 19->61 41 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->41 dropped 43 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 19->43 dropped 45 C:\Users\user\AppData\Local\...\tmpBEAC.tmp, XML 19->45 dropped 47 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->47 dropped 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->71 28 schtasks.exe 1 19->28         started        30 schtasks.exe 1 19->30         started        49 C:\Users\...\RHK098760045678009000.exe.log, ASCII 24->49 dropped file9 signatures10 process11 process12 32 dhcpmon.exe 3 28->32         started        35 conhost.exe 28->35         started        37 conhost.exe 30->37         started        file13 39 C:\Users\user\AppData\...\dhcpmon.exe.log, ASCII 32->39 dropped
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bd386b60f5a095f369d4473d5f3185c226363a563f45326cea048e10f0ff403b/
Threat name:
Win32.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2021-10-27 10:22:06 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xu4gwyhvuck7g2oui46v6mmfyitdmoswh5cte3hkashbb4h7ia5q._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 3'169 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/211027-md9krsbfh4/
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
Loads dropped DLL
NanoCore
Malware Config
C2 Extraction:
185.222.57.90:4445
Unpacked files
SH256 hash:
bd386b60f5a095f369d4473d5f3185c226363a563f45326cea048e10f0ff403b
MD5 hash:
8ae8a20159a1fdedd8c4937e8cc4c571
SHA1 hash:
a68c405aa1bec64c9790c321b4785c98f5c9a2a6
Link:
https://www.unpac.me/results/2f12caf2-b844-483c-82c4-f0a8fa5d45ba/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bd386b60f5a0/report/overview.html
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/bd386b60f5a095f369d4473d5f3185c226363a563f45326cea048e10f0ff403b

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:MALWARE_Win_NanoCore
Create hunting rule
Author:ditekSHen
Description:Detects NanoCore
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_Feb18_1_RID2DF1
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:Nanocore_RAT_Gen_2_RID2D96
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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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/200461/

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