MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f89ad254eee3edda82a6ea8811ca2b9513188f83ffb4ed778676d996e850b465. 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: 7
| SHA256 hash: | f89ad254eee3edda82a6ea8811ca2b9513188f83ffb4ed778676d996e850b465 |
|---|---|
| SHA3-384 hash: | 34dc763168630c9ecebe21b76af560d731c4cc49a197e2ec5b46e21ecc6fdf8c67b7c989ebdb77f08d2a407a4e878849 |
| SHA1 hash: | ef7e51664c1c42d1bd4717d069ea1a77836c77e6 |
| MD5 hash: | a9bfa8d776e2d3f48e3216ae7528a124 |
| humanhash: | thirteen-cat-summer-summer |
| File name: | Proforma Invoice pdf.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 979'456 bytes |
| First seen: | 2021-05-17 21:55:13 UTC |
| Last seen: | 2021-05-18 04:56:37 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 24576:SJ9tTApHEl6edNN0RmT5vaEPEso9v18c3QhkUGzLl:Sb6+NN59TMCc3QhkUGzLl |
| Threatray | 2'427 similar samples on MalwareBazaar |
| TLSH | C125D001F19601E8E75E7E7383AB7D757F91628764A3E550FC9E1A10C2B3B04DE8868B |
| Reporter |  James_inthe_box |
| Tags: | exe NanoCore |
Intelligence
File Origin
# of uploads :
3
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma Invoice pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-05-17 21:57:23 UTC
Tags:
rat nanocore trojan
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Sigma detected: NanoCore
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
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2021-05-17 21:30:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
13 of 29 (44.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 2'417 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
NanoCore
Malware Config
C2 Extraction:
23.105.131.171:4040
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: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
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0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection