MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed10ea23fcc2f87a004831c81e0e820494ec2312468c3ebcacd8feafc79b29b0. 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 2 File information Comments
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SHA256 hash: ed10ea23fcc2f87a004831c81e0e820494ec2312468c3ebcacd8feafc79b29b0
SHA3-384 hash: e3e825bf948727c04530d7445789ec9401e30a1ebef8b68f40cba43274767dd6a0c12d074f1d4a0320d10051be272bf7
SHA1 hash: f80a856ad858b2161f0014c25ec33f9a025e8379
MD5 hash: f7110ae6b46d20c323f08c49307ca073
humanhash: mexico-coffee-alabama-timing
File name:AWB 9804583234.pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'411'584 bytes
First seen:2021-05-24 12:56:42 UTC
Last seen:2021-05-24 13:00:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:JhFTBdkji7ZfkNMFheGS6oKWPZ9msfr9E6ui/YA+R+zpc:pOa6M3e8o7PWL6ui/u+Nc
Threatray 1'950 similar samples on MalwareBazaar
TLSH 0365071DA202E050F52DC071C9D2B6F2D809EE37D5252D4745E73F8A3B3BD867A2A19E
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/161444/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.760.7246.29129.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/790345
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
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 dnsIp2 2 Behavior Graph ID: 422741 Sample: AWB 9804583234.pdf.exe Startdate: 24/05/2021 Architecture: WINDOWS Score: 100 52 festus1.ddns.net 2->52 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 15 other signatures 2->62 9 AWB 9804583234.pdf.exe 3 2->9         started        13 dhcpmon.exe 2 2->13         started        15 dhcpmon.exe 3 2->15         started        17 AWB 9804583234.pdf.exe 2 2->17         started        signatures3 process4 file5 50 C:\Users\user\...\AWB 9804583234.pdf.exe.log, ASCII 9->50 dropped 66 Injects a PE file into a foreign processes 9->66 19 AWB 9804583234.pdf.exe 1 12 9->19         started        24 AWB 9804583234.pdf.exe 9->24         started        26 dhcpmon.exe 13->26         started        28 dhcpmon.exe 13->28         started        30 dhcpmon.exe 2 15->30         started        32 AWB 9804583234.pdf.exe 2 17->32         started        signatures6 process7 dnsIp8 54 festus1.ddns.net 185.140.53.149, 49727, 49728, 49730 DAVID_CRAIGGG Sweden 19->54 42 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->42 dropped 44 C:\Users\user\AppData\Roaming\...\run.dat, data 19->44 dropped 46 C:\Users\user\AppData\Local\...\tmp7A9F.tmp, XML 19->46 dropped 48 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->48 dropped 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->64 34 schtasks.exe 1 19->34         started        36 schtasks.exe 1 19->36         started        file9 signatures10 process11 process12 38 conhost.exe 34->38         started        40 conhost.exe 36->40         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ed10ea23fcc2f87a004831c81e0e820494ec2312468c3ebcacd8feafc79b29b0/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-05-24 02:25:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5uioui74yl4huacigheb4ducaskoyiysi2gd5pfm3d7k7r43fgya._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
0e206f1cf56315c1d4245ca01cac08ebab51decab43760d40e43a754d27da7b6
NanoCore
305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
8551c05301b50a17763637cca7f291a6b779c82f16275f734e793f6a0e7e1a17
NanoCore
be86e9fd2d5913526b7cea3bec1ad8c84acea8cab73ea78414e6317565f3079b
NanoCore
cce5d9e4fd5ca9142510f3b21d0a73906171e90a815520985687dde13b6e643d
NanoCore
e11f59ce9dae9fcff7ff4c8d3d119dd663a1918d084f8cda7b30c474cd141642
NanoCore
e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed
NanoCore
e9c3fc00ddb08ef196d05b56ce0c83c04381de42e8777e902e3e9c7afe4a9f11
NanoCore
f29b0b35d584de9410f3ffe75e8e4dbc6d90ecbc6f2c4d9382d8faf33e88d80b
NanoCore
+ 1'940 additional samples on MalwareBazaar
Result
Malware family:
nanocore
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Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210524-2dpejjbnzj/
Behaviour
Creates scheduled task(s)
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:
:8978
festus1.ddns.net:8978
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/ed10ea23fcc2f87a004831c81e0e820494ec2312468c3ebcacd8feafc79b29b0

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/161444/

Comments