MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57300e5d3030d478cb3e965cc603e004d1f1c8e246c841c5181f326c5b09803c. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57300e5d3030d478cb3e965cc603e004d1f1c8e246c841c5181f326c5b09803c
SHA3-384 hash: dc6e093dd4be745c6e9047fef222d14ac6153240f63004e14f0a3db48795c9cfd7b570169f3f7691d9b9f068aec7e44f
SHA1 hash: 64d22d4e8016b87bedea247f0fcdd62ee3233f01
MD5 hash: db03a8728d378401578780ab96901646
humanhash: neptune-california-ack-quiet
File name:db03a8728d378401578780ab96901646.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'218'560 bytes
First seen:2021-06-29 19:33:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:l4DB2/uUsSr32+8niSnHPaNyIQ1HgtQvt/u4ZQbSxwOM21IBz2oC9H8PlRRE:+DB2d3HSnHPa8H1D//mOMC82oC589Ra
Threatray 2'127 similar samples on MalwareBazaar
TLSH 1745154DBCF43683F22B96BD36C960E24275BC2D9B18EDE35D82F3E6056160AA477503
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
db03a8728d378401578780ab96901646.exe
Verdict:
Malicious activity
Analysis date:
2021-06-29 19:42:06 UTC
Tags:
trojan nanocore rat
Link:
https://app.any.run/tasks/8f2efdd7-aa27-4baa-b28a-c6413f4c8c1c

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/168825/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.800-1.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1669e41c-7b5f-4ebd-8491-3bf3ec29393b
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/809644
Signature
.NET source code contains very large strings
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 442061 Sample: ck4dXTw8Rf.exe Startdate: 29/06/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for dropped file 2->45 47 11 other signatures 2->47 7 ck4dXTw8Rf.exe 3 2->7         started        11 dhcpmon.exe 2 2->11         started        process3 file4 31 C:\Users\user\AppData\...\ck4dXTw8Rf.exe.log, ASCII 7->31 dropped 49 Injects a PE file into a foreign processes 7->49 13 ck4dXTw8Rf.exe 2 7->13         started        16 ck4dXTw8Rf.exe 7->16         started        18 ck4dXTw8Rf.exe 7->18         started        20 2 other processes 7->20 signatures5 process6 signatures7 53 Injects a PE file into a foreign processes 13->53 22 ck4dXTw8Rf.exe 1 12 13->22         started        27 ck4dXTw8Rf.exe 13->27         started        29 ck4dXTw8Rf.exe 13->29         started        process8 dnsIp9 39 zzeroirt.duckdns.org 195.133.40.193, 4948, 49746, 49749 SPD-NETTR Russian Federation 22->39 33 C:\Program Files (x86)\...\dhcpmon.exe, PE32 22->33 dropped 35 C:\Users\user\AppData\Roaming\...\run.dat, data 22->35 dropped 37 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 22->37 dropped 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->51 file10 signatures11
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/57300e5d3030d478cb3e965cc603e004d1f1c8e246c841c5181f326c5b09803c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-29 19:34:13 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k4ya4xjqgdkhrsz6szomma7aati7dshci3eedriyd4zgywyjqa6a._file
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
+ 2'117 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/210629-s3sple61ee/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
zzeroirt.duckdns.org:4948
hirtoruew.duckdns.org:4948
Unpacked files
SH256 hash:
68f2e396d4bc16b17e5f89cdeecc4506d9b803edac2e8f9f02258f10956a934a
MD5 hash:
4a84dd6d66fb6de3e1cf8b6776cc7652
SHA1 hash:
dcbf6a09a9ff4a839c9804e3729c2f7275802897
Link:
https://www.unpac.me/results/fa5fb420-3563-414e-9558-1eb976ae3d9f/
SH256 hash:
c62470b8c29852980c3c6f0e56bd70593d696605ce7c817fb7124673327ee015
MD5 hash:
887cd5b639ae4e1ce4d0be7ec4e70fa5
SHA1 hash:
a7d56fe7f1a96283865ae3ee01107e05faa26f74
Link:
https://www.unpac.me/results/fa5fb420-3563-414e-9558-1eb976ae3d9f/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/fa5fb420-3563-414e-9558-1eb976ae3d9f/
SH256 hash:
57300e5d3030d478cb3e965cc603e004d1f1c8e246c841c5181f326c5b09803c
MD5 hash:
db03a8728d378401578780ab96901646
SHA1 hash:
64d22d4e8016b87bedea247f0fcdd62ee3233f01
Link:
https://www.unpac.me/results/fa5fb420-3563-414e-9558-1eb976ae3d9f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/57300e5d3030d478cb3e965cc603e004d1f1c8e246c841c5181f326c5b09803c

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_InTheFu
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: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 57300e5d3030d478cb3e965cc603e004d1f1c8e246c841c5181f326c5b09803c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1150069/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/168825/

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