MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 de7d1e521559532b2c26ebf17836da8a0655feba1ea9b01767c58764e6e847c0. 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
| SHA256 hash: | de7d1e521559532b2c26ebf17836da8a0655feba1ea9b01767c58764e6e847c0 |
|---|---|
| SHA3-384 hash: | 3223704ab5bf4c170ccbbd76c872b52a0b1f5a6d7ba8d459f0d26b92f54eade89af6f46c6659cb696528a9bdd9dfa445 |
| SHA1 hash: | 95a8129a121f22ef28cdc37c1673c665d00a4b61 |
| MD5 hash: | ad0c70734c4d9f42255e83a41ffdf705 |
| humanhash: | tennessee-autumn-april-six |
| File name: | SHIPPING INVOICE.pdf.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 793'600 bytes |
| First seen: | 2020-11-10 14:16:03 UTC |
| Last seen: | 2024-07-24 22:12:24 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:2P1w4bhBfRqna0T/wuiwkUEiZbIHW0638fn5RxgnniafgDNbfhxSo7Hd3GGohtD2:2dbvsa2biwulHv634inniaebhxhb |
| Threatray | 1'254 similar samples on MalwareBazaar |
| TLSH | 91F48C883998F59FC41BCF7A89951C60AA312477534BF2039A5B25ED990EBD38E103F7 |
| Reporter |  James_inthe_box |
| Tags: | exe NanoCore |
Intelligence
File Origin
# of uploads :
3
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-10 05:24:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 28 (85.71%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'244 additional samples on MalwareBazaar
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
23.105.131.177:4040
127.0.0.1:4040
127.0.0.1:4040
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 |
|---|---|
| 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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