MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a9851575ac7feaabfd484aee3296eea2b2b18c04609a8fe1e1953f847f2c428. 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 File information Comments

SHA256 hash: 5a9851575ac7feaabfd484aee3296eea2b2b18c04609a8fe1e1953f847f2c428
SHA3-384 hash: 83b96d1fb896f4813ce19e62a9d1841a3624556996934cebe025cc2189b741f6eea2594c1ef4c0cf1a25b90caca17f2f
SHA1 hash: 2a92a9a910b8a3543a2ac8c1a7d63197d96c58c8
MD5 hash: 67529c759d8fca643c7a9b4d35442af2
humanhash: august-avocado-september-william
File name:PO_6620200947535257659_Arabico.PDF.exe
Download: download sample
Signature NanoCore
File size:5'948'928 bytes
First seen:2021-03-22 07:27:27 UTC
Last seen:2021-03-22 09:35:24 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 98304:hy3JZBBnaV4FuXArVamyXsqejq5V15Ooa+WIIpoD3nSnLo+io3VAp+HD:hy3nBo9mBqejq5y+WISuiLo+sMj
Threatray 1'683 similar samples on MalwareBazaar
TLSH 8356F18DBB987E5BC12A8F718027995482E8C5676373F30F78C1ECCAA9353950D1F692
Reporter abuse_ch
Tags:exe NanoCore


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: [89.41.26.168]
Sending IP: 89.41.26.168
From: Purchase <purchase@arabico.ae>
Subject: URGENT QUOTATION - arabico company dubai
Attachment: PO_6620200947535257659_Arabico.PDF.iso (contains "PO_6620200947535257659_Arabico.PDF.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO_6620200947535257659_Arabico.PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-03-22 07:35:33 UTC
Tags:
rat nanocore

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

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Sending a UDP request
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling autorun
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
Creates an undocumented autostart registry key
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-03-22 07:28:09 UTC
AV detection:
16 of 47 (34.04%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
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
Loads dropped DLL
Executes dropped EXE
Modifies WinLogon for persistence
NanoCore
Malware Config
C2 Extraction:
185.157.161.86:50005
nanopc.linkpc.net:50005
Unpacked files
SH256 hash:
5a9851575ac7feaabfd484aee3296eea2b2b18c04609a8fe1e1953f847f2c428
MD5 hash:
67529c759d8fca643c7a9b4d35442af2
SHA1 hash:
2a92a9a910b8a3543a2ac8c1a7d63197d96c58c8
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

NanoCore

Executable exe 5a9851575ac7feaabfd484aee3296eea2b2b18c04609a8fe1e1953f847f2c428

(this sample)

  
Delivery method
Distributed via e-mail attachment

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