MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28e575260cc878a8215800ebdaa02684d6997954a381c748e1e0fde409fadbd9. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 28e575260cc878a8215800ebdaa02684d6997954a381c748e1e0fde409fadbd9
SHA3-384 hash: 16173cf97cefb4b8876d8928cf835d1e82cde776389f3a5e501d1b5f943d6b5f73430a2eb3e1984679fd9ce75b74d056
SHA1 hash: 49db2f714200a608bc0e9c12e885e33209b3d989
MD5 hash: 01184b6ed03321a01969cd69a112557b
humanhash: mike-florida-south-utah
File name:Payu transfer form.scr.exe
Download: download sample
Signature NanoCore
File size:1'464'320 bytes
First seen:2021-04-26 12:40:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:GWoLAQXrLaUQtKecQqPCGJDetiisKE6bmNJBawT8lX7XAY:IbOUQtKLQqP1JDe84bmzBCl8Y
Threatray 1'788 similar samples on MalwareBazaar
TLSH F2658D68771464E1DE1709B2E3CB8D1602382F74B7265A0F57A03F7A3EA3E372935589
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
1
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payu transfer form.scr.exe
Verdict:
Malicious activity
Analysis date:
2021-04-26 12:49:39 UTC
Tags:
trojan nanocore rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
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.
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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:
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-04-26 05:34:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
70
AV detection:
26 of 47 (55.32%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
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:
45.154.4.187:8080
alexwill.ddns.net:8080
Unpacked files
SH256 hash:
74b2935b9dfe4ba397fd0507ae3c36abb77193041f2e7c43c55dc4e7b33de61c
MD5 hash:
b5c218f30fecc9cb8513ff6a46737b01
SHA1 hash:
f0416867c2b114789620b318051f1fa390b07eae
SH256 hash:
3a6106c0df596844a411f8d25638f18d385733649b13a52e9e73ce0601dbe12a
MD5 hash:
605e2ec57872dce7323ac47a2a84c4ec
SHA1 hash:
e867cb07839a5a677d43004571e89906bac632a8
SH256 hash:
1831e56e8074ae4066d1f3077abc99d0e136bb9299bff8b8d696807d2feff4cb
MD5 hash:
1148d5426cba61c54dc5ddb17d120cd5
SHA1 hash:
b3edde3deda0938abb016d51d65de2147684a08d
Detections:
win_nanocore_w0
SH256 hash:
28e575260cc878a8215800ebdaa02684d6997954a381c748e1e0fde409fadbd9
MD5 hash:
01184b6ed03321a01969cd69a112557b
SHA1 hash:
49db2f714200a608bc0e9c12e885e33209b3d989
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ach_NanoCore
Author:abuse.ch
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:win_nanocore_w0
Author: Kevin Breen <kevin@techanarchy.net>

File information


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

  
Delivery method
Other

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