MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78be18a8bdab5baf14aa5c195ce9f5636750cd4fee2d3bbc3528f4ed8f9ad9ee. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 78be18a8bdab5baf14aa5c195ce9f5636750cd4fee2d3bbc3528f4ed8f9ad9ee
SHA3-384 hash: 02b3dafaedfbbf0b9c7b81ea7eb564a1f39cbb5189b355ba5a01dd0fd4cdc29a26e20f2723afb3813b7697aaf467f03f
SHA1 hash: 4b5354c9f9c671f2bb8b77fbfdfe1716374215cd
MD5 hash: 598c0e16d760414fa54bf7278fbc8960
humanhash: mountain-table-washington-chicken
File name:STATEMENT OF ACCOUNT.exe
Download: download sample
Signature NanoCore
File size:1'148'928 bytes
First seen:2020-10-13 05:44:46 UTC
Last seen:2020-11-07 22:11:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:NEjhw6qX9yxLb36uLgd5UkgdKYU/4GiLUPf:QQX9yJquEV/4BUPf
Threatray 170 similar samples on MalwareBazaar
TLSH C835BE7A16E04B7FF73A5930009A60A38BA4EAC51ED6729D7783B4CDCDF147648EA341
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: [131.153.18.91]
Sending IP: 131.153.18.91
From: accounts_removals1@gifco.com
Subject: STATEMENT OF ACCOUNT
Attachment: STATEMENT OF ACCOUNT.lzh (contains "STATEMENT OF ACCOUNT.exe")

Intelligence


File Origin
# of uploads :
5
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a window
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 297024 Sample: STATEMENT OF ACCOUNT.exe Startdate: 13/10/2020 Architecture: WINDOWS Score: 100 47 Antivirus detection for dropped file 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 4 other signatures 2->53 7 STATEMENT OF ACCOUNT.exe 11 2->7         started        process3 file4 35 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\...\Micosoft.exe.lnk, MS 7->37 dropped 39 C:\Users\user\AppData\...\Micosoft.exe.bat, ASCII 7->39 dropped 41 C:\Users\...\STATEMENT OF ACCOUNT.exe.log, ASCII 7->41 dropped 57 Writes to foreign memory regions 7->57 59 Allocates memory in foreign processes 7->59 61 Injects a PE file into a foreign processes 7->61 11 cmd.exe 1 7->11         started        13 cmd.exe 3 7->13         started        16 cmd.exe 1 7->16         started        18 3 other processes 7->18 signatures5 process6 file7 20 reg.exe 1 1 11->20         started        23 conhost.exe 11->23         started        43 C:\Users\user\AppData\...\Micosoft.exe, PE32 13->43 dropped 25 conhost.exe 13->25         started        45 C:\Users\...\Micosoft.exe:Zone.Identifier, ASCII 16->45 dropped 27 conhost.exe 16->27         started        29 conhost.exe 18->29         started        31 conhost.exe 18->31         started        33 timeout.exe 1 18->33         started        process8 signatures9 55 Creates an undocumented autostart registry key 20->55
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2020-10-13 02:53:52 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Delays execution with timeout.exe
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
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:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:win_webmonitor_w0
Author:James_inthe_box
Description:Revcode RAT
Reference:ee1b9659f2193896ce3469b5f90b82af3caffcba428e8524be5a9fdf391d8dd8

File information


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

Malspam

NanoCore

Executable exe 78be18a8bdab5baf14aa5c195ce9f5636750cd4fee2d3bbc3528f4ed8f9ad9ee

(this sample)

  
Delivery method
Distributed via e-mail attachment

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