MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8caecb66c3ecec7ed4b59a0318e81eae655a8536816be0b16883e1fe51e6707. 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 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8caecb66c3ecec7ed4b59a0318e81eae655a8536816be0b16883e1fe51e6707
SHA3-384 hash: 8832ddab185f276941253a83dbaba81f764bca62de85eb63ba043fe64a2010423c4b3ddd5919e1a6328ed0131a8859bc
SHA1 hash: 30e9d72105d2f7c7f23cd2c5939dc8525a02c848
MD5 hash: 9b8c662fe7de00d9ebda89b810a6cc22
humanhash: alaska-minnesota-march-ceiling
File name:Scanned Copy.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:880'640 bytes
First seen:2021-06-14 05:16:08 UTC
Last seen:2021-06-14 07:14:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'604 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:WzZM4e/ZUdtbE7OCPjapSQdUZT6kOpYaXIebFsxTixPEgYkfbQ/CP4msye+mF3zl:6NeBUdtw7TPjak4Am7Za3YcUs
TLSH 0C15F1AC721076EFC967C136DAA41C64EA647C76431B5217902374EEAE3E987CF244F2
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
45.137.22.60:4023

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
45.137.22.60:4023 https://threatfox.abuse.ch/ioc/104579/

Intelligence

File Origin
# of uploads :
3
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scanned Copy.exe
Verdict:
Malicious activity
Analysis date:
2021-06-14 05:18:33 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bef87aed-bfe0-4153-aa48-3c26068697be

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.YakbeexMSIL.ZZ4.54.30168.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.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bd4094bf-72f4-47f3-978f-e0b969686073
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/801501
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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)
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 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: 433897 Sample: Scanned Copy.exe Startdate: 14/06/2021 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for dropped file 2->46 48 12 other signatures 2->48 7 Scanned Copy.exe 7 2->7         started        process3 file4 30 C:\Users\user\AppData\Roaming\cYidRcT.exe, PE32 7->30 dropped 32 C:\Users\user\...\cYidRcT.exe:Zone.Identifier, ASCII 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmpABCC.tmp, XML 7->34 dropped 36 C:\Users\user\...\Scanned Copy.exe.log, ASCII 7->36 dropped 50 Adds a directory exclusion to Windows Defender 7->50 11 Scanned Copy.exe 7->11         started        16 powershell.exe 23 7->16         started        18 powershell.exe 24 7->18         started        20 5 other processes 7->20 signatures5 process6 dnsIp7 40 45.137.22.60, 4023, 49720, 49721 ROOTLAYERNETNL Netherlands 11->40 38 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 11->38 dropped 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->52 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        28 conhost.exe 20->28         started        file8 signatures9 process10
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c8caecb66c3ecec7ed4b59a0318e81eae655a8536816be0b16883e1fe51e6707/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-13 23:26:11 UTC
AV detection:
18 of 46 (39.13%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zdfozntmh3hmp3kllgqdddub5ltflkctnall4cywra7b7zi6m4dq._file
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210614-xncj36r6rx/
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:
45.137.22.60:4023
127.0.0.1:4023
Unpacked files
SH256 hash:
e987e066b6b1ca5c3698a367d405b671a7f33e388289cb6b191faf4796478596
MD5 hash:
8b3814abb5e9cd9fb5da34bc71a4afc2
SHA1 hash:
8005c030dd9d0c1f146d18c4597f0a0f55e16577
Link:
https://www.unpac.me/results/94845721-6e02-43a5-b9da-3263da4a28ef/
SH256 hash:
c8caecb66c3ecec7ed4b59a0318e81eae655a8536816be0b16883e1fe51e6707
MD5 hash:
9b8c662fe7de00d9ebda89b810a6cc22
SHA1 hash:
30e9d72105d2f7c7f23cd2c5939dc8525a02c848
Link:
https://www.unpac.me/results/94845721-6e02-43a5-b9da-3263da4a28ef/
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/c8caecb66c3ecec7ed4b59a0318e81eae655a8536816be0b16883e1fe51e6707

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: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.

Comments