MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 841c1860b52b3817eed70e4d1f1bca972f0406e666bd8d034735fe70cc713831. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 841c1860b52b3817eed70e4d1f1bca972f0406e666bd8d034735fe70cc713831
SHA3-384 hash: a7f28711910b6c273f7ab3fca06af7d63d73e0e24a5a7d476e229410129b1050ef551167aec36cc7eb9dc4bdbba9e91e
SHA1 hash: bacb7847a1ba685a4a5dd0bdf2ef4bb841049ce6
MD5 hash: d25375ff7b52148e4c84459bc2e79051
humanhash: fruit-cat-north-fix
File name:file
Download: download sample
Signature zgRAT
File size:2'063'360 bytes
First seen:2023-02-14 14:53:54 UTC
Last seen:2023-02-14 18:44:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 49152:5HugbTfeJ7YUwZiDJ7Gj3tuQTxmHC44VmNC76w0dtEqOhh9UZER:5OETfeJ7Raj3Le4VmNCGw0dtEq1CR
TLSH T1F9A512D0C4C9004ECE19EEB8A0017E8D968D47DFD9B23540766996EFE837DB8E15392B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter andretavare5
Tags:exe zgRAT


Avatar
andretavare5
Sample downloaded from https://vk.com/doc10773776_659474422?hash=Le06sR9zrKX2sy9BML4CqwrXxJafoXmZRytU7AEY0Ws&dl=GEYDONZTG43TM:1676385569:emzyn4ctsLl0N7EazFY6uAvQDbavZWhLZRbiR19DMbP&api=1&no_preview=1#fin1

Intelligence


File Origin
# of uploads :
59
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-14 14:56:58 UTC
Tags:
stealer

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
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
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
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Yara detected Costura Assembly Loader
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 807321 Sample: file.exe Startdate: 14/02/2023 Architecture: WINDOWS Score: 100 47 39.186.7.0.in-addr.arpa 2->47 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 6 other signatures 2->59 8 file.exe 1 8 2->8         started        12 Vrtcubtp.exe 4 2->12         started        14 Vrtcubtp.exe 3 2->14         started        signatures3 process4 file5 39 C:\Users\user\AppData\...\Vrtcubtp.exe, PE32 8->39 dropped 41 C:\Users\user\...behaviorgraphafhdufzxaxibubeiap.exe, PE32+ 8->41 dropped 43 C:\Users\...\Vrtcubtp.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 8->45 dropped 61 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 8->61 63 Encrypted powershell cmdline option found 8->63 65 Injects a PE file into a foreign processes 8->65 16 Gafhdufzxaxibubeiap.exe 2 8->16         started        19 file.exe 8->19         started        21 powershell.exe 16 8->21         started        67 Antivirus detection for dropped file 12->67 69 Multi AV Scanner detection for dropped file 12->69 71 Machine Learning detection for dropped file 12->71 23 powershell.exe 12->23         started        25 Vrtcubtp.exe 12->25         started        27 powershell.exe 14->27         started        signatures6 process7 signatures8 49 Antivirus detection for dropped file 16->49 51 Machine Learning detection for dropped file 16->51 29 explorer.exe 19->29         started        31 file.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        37 conhost.exe 27->37         started        process9
Threat name:
ByteCode-MSIL.Trojan.Scarsi
Status:
Malicious
First seen:
2023-02-14 14:54:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection persistence spyware stealer
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Modifies Installed Components in the registry
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
841c1860b52b3817eed70e4d1f1bca972f0406e666bd8d034735fe70cc713831
MD5 hash:
d25375ff7b52148e4c84459bc2e79051
SHA1 hash:
bacb7847a1ba685a4a5dd0bdf2ef4bb841049ce6
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:MALWARE_Win_zgRAT
Author:ditekSHen
Description:Detects zgRAT
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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments