MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d28cee9d618d8f15b3875ea1ac44a8bf4d9c59171da3227ba3b973e0c9fdb1a. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: 1d28cee9d618d8f15b3875ea1ac44a8bf4d9c59171da3227ba3b973e0c9fdb1a
SHA3-384 hash: 3a94c942955784f21137ef78b8d7135cf8e7223c486e2680626eba82e32f2e9d3d0d53f89d6b7ecd88c07f70ec7aba42
SHA1 hash: dc2aab0e06f483ee853ebec53cdb126131c0c8d7
MD5 hash: 462948d717e44bda852450260ec44d37
humanhash: william-twenty-sink-lion
File name:file
Download: download sample
Signature NanoCore
File size:492'032 bytes
First seen:2023-06-06 13:48:31 UTC
Last seen:2023-06-06 14:35:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:OKC8ZS2btvRz4Ber6bHfbUyMD0v+c1ouiLNISO:TZSiYbUyN/1opx
TLSH T1FAA49E8B3609E82DC1DC6777D6DB08145BA09E81B307E7067CC723A94D0B7BBAD49987
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter jstrosch
Tags:.NET exe MSIL NanoCore X64

Intelligence


File Origin
# of uploads :
2
# of downloads :
374
Origin country :
US US
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-06 13:51:11 UTC
Tags:
nanocore

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys confuserex formbook packed packed
Result
Verdict:
MALICIOUS
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, zgRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
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)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Nanocore RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Threat name:
Win64.Trojan.Cerbu
Status:
Malicious
First seen:
2023-06-05 04:31:19 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
4
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore 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
NanoCore
Malware Config
C2 Extraction:
ezemnia3.ddns.net:62335
91.193.75.178:62335
Unpacked files
SH256 hash:
1d28cee9d618d8f15b3875ea1ac44a8bf4d9c59171da3227ba3b973e0c9fdb1a
MD5 hash:
462948d717e44bda852450260ec44d37
SHA1 hash:
dc2aab0e06f483ee853ebec53cdb126131c0c8d7
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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:MALWARE_Win_zgRAT
Author:ditekSHen
Description:Detects zgRAT

File information


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

Web download

NanoCore

Executable exe 1d28cee9d618d8f15b3875ea1ac44a8bf4d9c59171da3227ba3b973e0c9fdb1a

(this sample)

  
Delivery method
Distributed via web download

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