MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3525fd909249f56ffbd4fa1389ea0f6526a21ef4aa202adf6cbc788988742cbc. 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
| SHA256 hash: | 3525fd909249f56ffbd4fa1389ea0f6526a21ef4aa202adf6cbc788988742cbc |
|---|---|
| SHA3-384 hash: | 81a774054448bddfd60ef3abe7b2c4ae6d91e16c5fe3cfaf98e8aad5b7fca9dc51f115cd8f081cbf34fd38e744203289 |
| SHA1 hash: | bbe579783f57959b6b9b6003213fe54ca2842c20 |
| MD5 hash: | ba580e2f99640215aeba379eabb60f1f |
| humanhash: | eighteen-south-bakerloo-fourteen |
| File name: | CITI BANK Transfer paper.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 496'640 bytes |
| First seen: | 2020-09-03 04:41:15 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:k3Fv8eNRrM5jVSRvihEGVamaNQ9ZEmsXVcJbHIHzEI0PA/Ax:fSW5cvihEAWRXVclHAwVPA/ |
| Threatray | 1'068 similar samples on MalwareBazaar |
| TLSH | 16B4CFB5A3A45725E53EB7FB0023869C13F29145E3B6EE0DEED411C45686F928273BC2 |
| Reporter |  cocaman |
| Tags: | exe NanoCore |
Intelligence
File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
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
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
DNS request
Sending a TCP request to an infection source
Enabling autorun by creating a file
Result
Threat name:
Nanocore MailPassView
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Tries to steal Mail credentials (via file registry)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected MailPassView
Yara detected Nanocore RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Trojan.NanoBot
Status:
Malicious
First seen:
2020-09-03 04:13:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'058 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
evapimp.myq-see.com:1010
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
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_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
Delivery method
Other
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