MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bca89f6ecbf4dfde0cc003b96f907ae1ab9b33a64650836d547d07291a059e86. 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 6 File information Comments

SHA256 hash: bca89f6ecbf4dfde0cc003b96f907ae1ab9b33a64650836d547d07291a059e86
SHA3-384 hash: e5b48c4caafb9b42d3821535da3bc5b33b570470507bbe45468555e08f4373002db21f60f65e4eb8af770d9a40fe2333
SHA1 hash: de2db850207d77611f557a060681f2c2a19ae1ef
MD5 hash: b6babb0d3661cd172c93c496dc4c1db1
humanhash: tennessee-batman-high-ack
File name:New PO 64739 (UK).exe
Download: download sample
Signature NanoCore
File size:936'960 bytes
First seen:2020-11-26 06:52:47 UTC
Last seen:2020-11-27 09:36:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:zpH4EQ1NXT5zPvEzOh3CqA5vLs1R5eyZIHCJL4SI571xTXcsPPQk3LPf0TzAH8Uh:zpH4EQj5LvEKoq+vk2y6iJL4/ZcoPQa
Threatray 1'352 similar samples on MalwareBazaar
TLSH C0155A5B3348B3EECA5AADF1D9201C7ABA50A922431FE24BCDD35C5A9F0D456CE341E1
Reporter GovCERT_CH
Tags:NanoCore

Intelligence


File Origin
# of uploads :
6
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
Sending a TCP request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Gathering data
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Detected Nanocore Rat
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2020-11-26 06:53:10 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
185.140.53.207:2121
annapro.linkpc.net.:2121
Unpacked files
SH256 hash:
a3a008b87ded765ed76c9bedd06dbae5f62edd573da15d376cb3fb91b4bd7f09
MD5 hash:
5ae25f51e2881f74cc9e057ef48c02a6
SHA1 hash:
a8e9e48e0e788e76ce01e923946bfb0c2098b39c
SH256 hash:
f7db0cab7b20ed40640a1f89172c378df7d1b39987ebb8193e8716fb428a2149
MD5 hash:
ae0cf1d865b1a238b3b16838787a42e1
SHA1 hash:
565051743155f1325a830294ffa0a474519c4d99
SH256 hash:
408b406a12492a846b13c36d8fbcf240cb7e882bc15511d19d358fe4470d8638
MD5 hash:
b2bfc1fe7518294243dd66a735be37fb
SHA1 hash:
bde729824cbb7cbd8b5c8b26985244b2aa1726f1
SH256 hash:
23fe9812d4cba0d973c3c0b9f8423b11a4bb7ee4dfd0badb72152a08948e5af7
MD5 hash:
9d0a15466949e6a5aad95aa20e3e0455
SHA1 hash:
e86f5486b3b1c732616c4d392bf564fec3e049c1
Detections:
win_nanocore_w0
SH256 hash:
bca89f6ecbf4dfde0cc003b96f907ae1ab9b33a64650836d547d07291a059e86
MD5 hash:
b6babb0d3661cd172c93c496dc4c1db1
SHA1 hash:
de2db850207d77611f557a060681f2c2a19ae1ef
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.

Malspam

NanoCore

Executable exe bca89f6ecbf4dfde0cc003b96f907ae1ab9b33a64650836d547d07291a059e86

(this sample)

  
Dropped by
NanoCore
  
Delivery method
Distributed via e-mail attachment

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