MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d627f3774ca71311d578cab84cdabf89605f5d63ffbd0dbd6543e0986151c79d. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d627f3774ca71311d578cab84cdabf89605f5d63ffbd0dbd6543e0986151c79d
SHA3-384 hash: 2d9012a40276267751a731fc481fe039e9577710a462e0d8133356899c63317ab822afe8b36584f5520d7f21b4aeb5e7
SHA1 hash: 5b1c32c92c3f205749da5f751a1541babcd6c122
MD5 hash: 56e3b245dedd1ddf94d0362e5f343a47
humanhash: nineteen-magazine-whiskey-don
File name:56e3b245dedd1ddf94d0362e5f343a47.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:19'456 bytes
First seen:2021-10-04 16:11:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 384:5yD6dOXS6w1biDIED+6gbZOZAxx0l7m/0N64qJSnT0UUKN7Kh:5TOXfwMDIEq9bZrxxu7mchqWNg
Threatray 2'970 similar samples on MalwareBazaar
TLSH T1DA927DE577A45A65DAF50AF7FC37FA500F70D33B45228AAE148423AEAD937106B21306
File icon (PE):PE icon
dhash icon 9ee5656565a5a585 (14 x NanoCore, 11 x XpertRAT, 5 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
400
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
56e3b245dedd1ddf94d0362e5f343a47.exe
Verdict:
Malicious activity
Analysis date:
2021-10-04 16:16:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3365c389-fe80-467b-9ae8-0a1704b94985

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/194738/
Detection(s):
SecuriteInfo.com.VHO.Backdoor.MSIL.NanoBot.gen.23898.31770.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching a process
Creating a file in the %temp% directory
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/615c106b98a6280f39324da6/reports/6e76873f-f712-42b2-872d-43e5b516a6e1/overview
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dc7566c5-5427-4560-acf5-43b8382e7c4f
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/864138
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 496568 Sample: kXm6HMMRfu.exe Startdate: 04/10/2021 Architecture: WINDOWS Score: 100 86 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->86 88 Multi AV Scanner detection for domain / URL 2->88 90 Found malware configuration 2->90 92 10 other signatures 2->92 8 kXm6HMMRfu.exe 15 6 2->8         started        13 dhcpmon.exe 2->13         started        15 kXm6HMMRfu.exe 3 2->15         started        17 dhcpmon.exe 2->17         started        process3 dnsIp4 84 store2.gofile.io 31.14.69.10, 443, 49756, 49774 LINKER-ASFR Virgin Islands (BRITISH) 8->84 70 C:\Users\user\AppData\...\kXm6HMMRfu.exe, PE32 8->70 dropped 72 C:\Users\...\kXm6HMMRfu.exe:Zone.Identifier, ASCII 8->72 dropped 74 C:\Users\user\AppData\...\kXm6HMMRfu.exe.log, ASCII 8->74 dropped 102 Writes to foreign memory regions 8->102 104 Allocates memory in foreign processes 8->104 106 Injects a PE file into a foreign processes 8->106 19 kXm6HMMRfu.exe 1 16 8->19         started        24 kXm6HMMRfu.exe 8->24         started        26 powershell.exe 14 8->26         started        28 powershell.exe 17 8->28         started        76 C:\Users\user\AppData\Local\...\dhcpmon.exe, PE32 13->76 dropped 78 C:\Users\user\...\dhcpmon.exe:Zone.Identifier, ASCII 13->78 dropped 30 dhcpmon.exe 13->30         started        34 2 other processes 13->34 32 powershell.exe 15->32         started        36 5 other processes 15->36 38 3 other processes 17->38 file5 signatures6 process7 dnsIp8 80 cloudhost.myfirewall.org 91.121.250.249, 49757, 49758, 49763 OVHFR France 19->80 82 192.168.2.1 unknown unknown 19->82 62 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->62 dropped 64 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 19->64 dropped 66 C:\Users\user\AppData\Local\...\tmpFB4A.tmp, XML 19->66 dropped 68 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->68 dropped 94 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->94 40 schtasks.exe 1 19->40         started        42 schtasks.exe 1 19->42         started        96 Multi AV Scanner detection for dropped file 24->96 98 Machine Learning detection for dropped file 24->98 100 Uses schtasks.exe or at.exe to add and modify task schedules 24->100 44 conhost.exe 26->44         started        46 conhost.exe 28->46         started        48 conhost.exe 32->48         started        50 conhost.exe 34->50         started        52 conhost.exe 34->52         started        54 conhost.exe 36->54         started        56 2 other processes 38->56 file9 signatures10 process11 process12 58 conhost.exe 40->58         started        60 conhost.exe 42->60         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d627f3774ca71311d578cab84cdabf89605f5d63ffbd0dbd6543e0986151c79d/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2021-10-04 16:12:29 UTC
AV detection:
17 of 45 (37.78%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
2b8a102443d6ed4c84471a54f058f24f5f55485bba73ebd785fdce294e337110
NanoCore
305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454
NanoCore
3d8811d64e17d5ea06d0edae6163b90b2400d06d9afa60ae689d6fe9232bca86
NanoCore
437c9421ae36bc19198438f86b86a39de0d207449abef097eb9656743823c256
NanoCore
4d01d1b24f4f7487669486becc7ff8b43a126f56ffb3d8fcce8c66b200412475
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
5a8b4dc95322eed89a2c77350395f8c1f79394369bebec84703ae285092a37f5
NanoCore
9f96527c9f839559485e89c5c5ff8f95708035fd55c9fac0c2edf3764224d860
NanoCore
9fc2ec9a478ddf812c9687c805f340989dc0af33b48100ec6621e422035ce579
NanoCore
a276b0d2aaf8a132ffbe9ae16763975bcf38fc1e5a6419890712fc3de02b793f
NanoCore
+ 2'960 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/211004-tnhy5agfc4/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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:
cloudhost.myfirewall.org:5654
Unpacked files
SH256 hash:
d627f3774ca71311d578cab84cdabf89605f5d63ffbd0dbd6543e0986151c79d
MD5 hash:
56e3b245dedd1ddf94d0362e5f343a47
SHA1 hash:
5b1c32c92c3f205749da5f751a1541babcd6c122
Link:
https://www.unpac.me/results/b1e099f2-5e26-4581-b9f8-cfe49fa139e4/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d627f3774ca7/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/d627f3774ca71311d578cab84cdabf89605f5d63ffbd0dbd6543e0986151c79d

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 d627f3774ca71311d578cab84cdabf89605f5d63ffbd0dbd6543e0986151c79d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1635441/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1649278/
Cape
Cape
https://www.capesandbox.com/analysis/194738/

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