MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 520fae27134b14bb92d3858083c08496cee8b1c7631f0a374c5e168adfa799f2. 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 1 File information Comments
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SHA256 hash: 520fae27134b14bb92d3858083c08496cee8b1c7631f0a374c5e168adfa799f2
SHA3-384 hash: 9759ff3d0ba08a2eb1221c662a2788f2765408e52a45c8e86813e1a58549d543ff1c29b274e85dd2bb730e99780d1075
SHA1 hash: e30565df7c0597a76857532e4ca7df6d2728e7b5
MD5 hash: e9cd061b2286d8098153c9d9e2ed0b4b
humanhash: cat-beryllium-bakerloo-nitrogen
File name:CN-Invoice-XXXXX9808-19011143287989.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:634'024 bytes
First seen:2021-02-23 14:27:45 UTC
Last seen:2021-02-23 17:13:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:vLt3NCnZ05Bm8yB0VwxTLZR3yO7wVLTOY2QIDOvbqhUd5H/eIS/VNnUKEAwL:D1VVW0V2ybpTOYIUWfNpa
Threatray 1'643 similar samples on MalwareBazaar
TLSH F2D459D879D420B7E5878EB5426B2768F0F13273AFB3145984244EC1E5603D5BE0EAEB
Reporter James_inthe_box
Tags:exe NanoCore signed

Code Signing Certificate

Organisation:뙶뙭뙟뚁뙵뙱뙡뚅뙥뙽뙐뚄뙿뙘뚄뙙뙯뙓뙴뙰뙒뙛뙹뙕뙥뙹뙢뙖뙸뙞뙢뙟뙤뙳뙡뚁뚆뙕뙯
Issuer:뙶뙭뙟뚁뙵뙱뙡뚅뙥뙽뙐뚄뙿뙘뚄뙙뙯뙓뙴뙰뙒뙛뙹뙕뙥뙹뙢뙖뙸뙞뙢뙟뙤뙳뙡뚁뚆뙕뙯
Algorithm:sha256WithRSAEncryption
Valid from:2021-02-23T00:43:21Z
Valid to:2022-02-23T00:43:21Z
Serial number: 82b712181a23e355ca1b8c13a8b9877d
Thumbprint Algorithm:SHA256
Thumbprint: 4b5bcddab23b84e36f11c395653121696d55dadb4d6c07752f27b1782146c092
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/118609/
Detection(s):
SecuriteInfo.com.Trojan.Siggen12.3191.11120.32176.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Launching a process
Creating a process with a hidden window
Creating a file
Creating a window
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Launching a service
Sending a UDP request
Deleting a recently created file
Running batch commands
Adding an access-denied ACE
Creating a file in the %AppData% subdirectories
Connection attempt
Setting a single autorun event
Sending an HTTP GET request to an infection source
Adding exclusions to Windows Defender
Unauthorized injection to a system process
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.
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/615425
Signature
Adds a directory exclusion to Windows Defender
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
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
Initial sample is a PE file and has a suspicious name
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: Executables Started in Suspicious Folder
Sigma detected: Execution in Non-Executable Folder
Sigma detected: NanoCore
Sigma detected: Suspicious Program Location Process Starts
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 356721 Sample: CN-Invoice-XXXXX9808-190111... Startdate: 23/02/2021 Architecture: WINDOWS Score: 100 59 annapro.linkpc.net 2->59 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Multi AV Scanner detection for submitted file 2->79 81 13 other signatures 2->81 9 CN-Invoice-XXXXX9808-19011143287989.exe 23 9 2->9         started        14 explorer.exe 2->14         started        16 explorer.exe 2->16         started        18 8 other processes 2->18 signatures3 process4 dnsIp5 73 coroloboxorozor.com 172.67.172.17, 49737, 49755, 80 CLOUDFLARENETUS United States 9->73 53 C:\Users\Public\Documents\...\svchost.exe, PE32 9->53 dropped 55 C:\Users\...\svchost.exe:Zone.Identifier, ASCII 9->55 dropped 57 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 9->57 dropped 93 Writes to foreign memory regions 9->93 95 Adds a directory exclusion to Windows Defender 9->95 97 Hides threads from debuggers 9->97 99 2 other signatures 9->99 20 CasPol.exe 9->20         started        25 AdvancedRun.exe 1 9->25         started        27 cmd.exe 9->27         started        35 5 other processes 9->35 29 svchost.exe 14->29         started        31 svchost.exe 16->31         started        33 WerFault.exe 18->33         started        file6 signatures7 process8 dnsIp9 61 185.157.160.233, 2212 OBE-EUROPEObenetworkEuropeSE Sweden 20->61 63 annapro.linkpc.net 105.112.108.188, 2212 VNL1-ASNG Nigeria 20->63 51 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 20->51 dropped 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->83 65 192.168.2.1 unknown unknown 25->65 37 AdvancedRun.exe 25->37         started        39 conhost.exe 27->39         started        41 timeout.exe 27->41         started        67 104.21.71.230, 49752, 80 CLOUDFLARENETUS United States 29->67 69 coroloboxorozor.com 29->69 85 System process connects to network (likely due to code injection or exploit) 29->85 87 Multi AV Scanner detection for dropped file 29->87 89 Machine Learning detection for dropped file 29->89 71 coroloboxorozor.com 31->71 91 Adds a directory exclusion to Windows Defender 31->91 43 powershell.exe 31->43         started        45 conhost.exe 35->45         started        47 conhost.exe 35->47         started        file10 signatures11 process12 process13 49 conhost.exe 43->49         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/520fae27134b14bb92d3858083c08496cee8b1c7631f0a374c5e168adfa799f2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-23 12:57:06 UTC
File Type:
PE (.Net Exe)
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kih24jytjmklxewtqwaihqees3hormohmmpqun2mlylivx5hthza._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 1'633 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/210223-y77mxn9vaa/
Behaviour
Delays execution with timeout.exe
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
Loads dropped DLL
Windows security modification
Executes dropped EXE
Nirsoft
Modifies Windows Defender Real-time Protection settings
NanoCore
Turns off Windows Defender SpyNet reporting
Windows security bypass
Malware Config
C2 Extraction:
185.157.160.233:2212
annapro.linkpc.net:2212
Unpacked files
SH256 hash:
520fae27134b14bb92d3858083c08496cee8b1c7631f0a374c5e168adfa799f2
MD5 hash:
e9cd061b2286d8098153c9d9e2ed0b4b
SHA1 hash:
e30565df7c0597a76857532e4ca7df6d2728e7b5
Link:
https://www.unpac.me/results/d0fb647c-def4-4a3e-947a-d70a5bb8fb76/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.16
Link:
https://yomi.yoroi.company/submissions/520fae27134b14bb92d3858083c08496cee8b1c7631f0a374c5e168adfa799f2

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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/118609/

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