MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 685522dda736e8c071fcc9dc4b7bb3d58c45f36828eb0b8ca8557e5ec56499ad. 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



zgRAT


Vendor detections: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 685522dda736e8c071fcc9dc4b7bb3d58c45f36828eb0b8ca8557e5ec56499ad
SHA3-384 hash: 65a3f67d93786303428587ff504312618e4cd60c6df76f563660f25607a7365929e165d5e0e826f9e0bcada7c52c465a
SHA1 hash: fad787dd1ebae5cc64aaf7762dd6f49de50adfa7
MD5 hash: 8d93c7903bfd5900d72dbeb3b0968508
humanhash: lithium-solar-black-fix
File name:file
Download: download sample
Signature zgRAT
File size:834'112 bytes
First seen:2023-06-02 13:33:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:0mr0x3EEEfgYsSKS+KY9Zl6IX+OPZjv8+i0YUlo4:0mry3EEWKHrLPZjvpzlo4
TLSH T1070512697744348DC81BC8B1D9EA0C3167A277AB6777C3073147128E8E8E7D6CF581A6
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)
File icon (PE):PE icon
dhash icon d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer)
Reporter jstrosch
Tags:.NET exe MSIL X64 zgRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
280
Origin country :
US US
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-02 13:37:01 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
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
confuserex overlay packed packed
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, 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 contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-06-02 05:56:06 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
8
AV detection:
18 of 24 (75.00%)
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:
685522dda736e8c071fcc9dc4b7bb3d58c45f36828eb0b8ca8557e5ec56499ad
MD5 hash:
8d93c7903bfd5900d72dbeb3b0968508
SHA1 hash:
fad787dd1ebae5cc64aaf7762dd6f49de50adfa7
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
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

Web download

zgRAT

Executable exe 685522dda736e8c071fcc9dc4b7bb3d58c45f36828eb0b8ca8557e5ec56499ad

(this sample)

  
Delivery method
Distributed via web download

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