MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df6072d3ab7c2a29c39113770148b2e3e1d10f4169dc1199d188349a5e1930c9. 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: 12


Intelligence 12 IOCs 1 YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: df6072d3ab7c2a29c39113770148b2e3e1d10f4169dc1199d188349a5e1930c9
SHA3-384 hash: 217ea5b7c57bdb53b89ac81290ae45b141288823fb6f2dbfd201d0c97b85341d71be088da1f19127eb485f0a7784b752
SHA1 hash: d0a46b5ac4c655b75696d47bd90fd0dd146e4921
MD5 hash: 4001a4964d67f77eaa858c20ef93f4a9
humanhash: skylark-cup-fifteen-floor
File name:4001a4964d67f77eaa858c20ef93f4a9.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:124'928 bytes
First seen:2021-10-05 19:17:47 UTC
Last seen:2021-10-05 19:47:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:E9Arqs8rPOHjQ8WYT9v5rVnxjN/J7l3BzdPZL1HRDtfpbFXhT9v5rVnxjN/JBzdk:EarqsZHM8WYT9v5rVnxjN/J7l3BzdPZL
Threatray 2'992 similar samples on MalwareBazaar
TLSH T11BC3C622139C5E21D77C977B256641000BF8A4139333D30FBCDF46DD4A55BAEAA27B8A
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
185.140.53.3:6700

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
185.140.53.3:6700 https://threatfox.abuse.ch/ioc/230869/

Intelligence

File Origin
# of uploads :
2
# of downloads :
369
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4001a4964d67f77eaa858c20ef93f4a9.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-05 19:21:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/28e95565-bba3-41d4-a126-5d708b6288b4

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/195192/
Detection(s):
SecuriteInfo.com.Variant.Ser.MSILHeracles.124.20232.7187.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/615ca4f7e3d213d202b7c2ac/reports/3bf1ac77-a421-45a6-b0d2-90e8807d2d33/overview
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6c4f811e-ae32-4c94-8012-ebd634397010
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/865082
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious names
Detected Nanocore Rat
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Sigma detected: Powershell Defender Exclusion
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Nanocore RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 497510 Sample: OMNH11mXX2.exe Startdate: 05/10/2021 Architecture: WINDOWS Score: 100 66 fridayom.duckdns.org 2->66 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Sigma detected: NanoCore 2->82 84 10 other signatures 2->84 8 OMNH11mXX2.exe 18 6 2->8         started        13 svchost.exe 2->13         started        15 svchost.exe 2->15         started        17 12 other processes 2->17 signatures3 process4 dnsIp5 70 cdn.discordapp.com 162.159.134.233, 443, 49726 CLOUDFLARENETUS United States 8->70 62 C:\Windows\Resources\Themes\...\svchost.exe, PE32 8->62 dropped 64 C:\Windows\...\svchost.exe:Zone.Identifier, ASCII 8->64 dropped 88 Creates autostart registry keys with suspicious names 8->88 90 Creates an autostart registry key pointing to binary in C:\Windows 8->90 92 Adds a directory exclusion to Windows Defender 8->92 94 Drops PE files with benign system names 8->94 19 OMNH11mXX2.exe 8->19         started        24 WerFault.exe 8->24         started        26 powershell.exe 24 8->26         started        32 2 other processes 8->32 72 162.159.129.233, 443, 49748, 49760 CLOUDFLARENETUS United States 13->72 96 System process connects to network (likely due to code injection or exploit) 13->96 98 Machine Learning detection for dropped file 13->98 100 Hides threads from debuggers 13->100 28 powershell.exe 13->28         started        30 powershell.exe 13->30         started        34 2 other processes 13->34 36 4 other processes 15->36 74 127.0.0.1 unknown unknown 17->74 76 192.168.2.1 unknown unknown 17->76 102 Changes security center settings (notifications, updates, antivirus, firewall) 17->102 38 4 other processes 17->38 file6 signatures7 process8 dnsIp9 68 fridayom.duckdns.org 185.140.53.3, 49741, 49749, 49757 DAVID_CRAIGGG Sweden 19->68 58 C:\Users\user\AppData\Roaming\...\run.dat, data 19->58 dropped 86 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->86 60 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 24->60 dropped 40 conhost.exe 24->40         started        42 conhost.exe 26->42         started        44 conhost.exe 28->44         started        46 conhost.exe 30->46         started        48 conhost.exe 32->48         started        50 conhost.exe 32->50         started        52 conhost.exe 34->52         started        56 2 other processes 36->56 54 conhost.exe 38->54         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/df6072d3ab7c2a29c39113770148b2e3e1d10f4169dc1199d188349a5e1930c9/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-10-05 19:18:16 UTC
AV detection:
18 of 45 (40.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=35qhfu5lpqvctq4rcn3qcsfs4pq5cd2bnhobdgorra2juxqzgdeq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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2b8a102443d6ed4c84471a54f058f24f5f55485bba73ebd785fdce294e337110
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305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454
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3d8811d64e17d5ea06d0edae6163b90b2400d06d9afa60ae689d6fe9232bca86
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437c9421ae36bc19198438f86b86a39de0d207449abef097eb9656743823c256
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4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
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5a8b4dc95322eed89a2c77350395f8c1f79394369bebec84703ae285092a37f5
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9f96527c9f839559485e89c5c5ff8f95708035fd55c9fac0c2edf3764224d860
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9fc2ec9a478ddf812c9687c805f340989dc0af33b48100ec6621e422035ce579
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a276b0d2aaf8a132ffbe9ae16763975bcf38fc1e5a6419890712fc3de02b793f
NanoCore
+ 2'982 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/211005-xz1vvsaehr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Windows security modification
NanoCore
Windows security bypass
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
fridayom.duckdns.org:6700
Unpacked files
SH256 hash:
df6072d3ab7c2a29c39113770148b2e3e1d10f4169dc1199d188349a5e1930c9
MD5 hash:
4001a4964d67f77eaa858c20ef93f4a9
SHA1 hash:
d0a46b5ac4c655b75696d47bd90fd0dd146e4921
Link:
https://www.unpac.me/results/9a1aaaeb-f0b9-4d1b-90c9-cff86213f051/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/df6072d3ab7c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/df6072d3ab7c2a29c39113770148b2e3e1d10f4169dc1199d188349a5e1930c9

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
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: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/195192/

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