MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1765648a41eea21fd942776cba9b50705673d8f7564ae7f8c9751eda9e2e564. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments 1

SHA256 hash: a1765648a41eea21fd942776cba9b50705673d8f7564ae7f8c9751eda9e2e564
SHA3-384 hash: fbeda805c4ba6f07a8eb0aa5bd98db4498f26145ba5c73d85395a4fcfe31e6733d44197c9c9a46ad9f2328061b7a6d98
SHA1 hash: 937aac5cf9191e833724edda2742ed115a5237c7
MD5 hash: d497d6f5d3b74379d1ca2e1abde20281
humanhash: red-uranus-bacon-july
File name:d497d6f5d3b74379d1ca2e1abde20281
Download: download sample
Signature zgRAT
File size:953'344 bytes
First seen:2023-11-11 09:11:07 UTC
Last seen:2023-11-11 10:18:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:rUH6r+HyTd9H1hiy/Ku8UNM1Gr6ycgR6EL13bz:rLVhiy/Ku1N6GW9i33
Threatray 573 similar samples on MalwareBazaar
TLSH T1D8152348DACC2433CE9D94BE9CF25039C2B5E367CD82F21779F0826661A26C4955EF87
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Reporter zbetcheckin
Tags:64 exe zgRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
326
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d497d6f5d3b74379d1ca2e1abde20281
Verdict:
Malicious activity
Analysis date:
2023-11-11 09:14:32 UTC
Tags:
n/a

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

Behaviour
Sending a custom TCP request
Сreating synchronization primitives
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
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)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected PersistenceViaHiddenTask
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1341071 Sample: 0TxtRxca3x.exe Startdate: 11/11/2023 Architecture: WINDOWS Score: 100 76 Multi AV Scanner detection for domain / URL 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus detection for URL or domain 2->80 82 6 other signatures 2->82 8 TypeId.exe 3 2->8         started        11 TypeId.exe 2->11         started        13 0TxtRxca3x.exe 3 2->13         started        15 3 other processes 2->15 process3 signatures4 84 Multi AV Scanner detection for dropped file 8->84 86 Machine Learning detection for dropped file 8->86 88 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 8->88 17 TypeId.exe 2 8->17         started        90 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->90 92 Modifies the context of a thread in another process (thread injection) 11->92 94 Injects a PE file into a foreign processes 11->94 20 TypeId.exe 11->20         started        22 0TxtRxca3x.exe 6 13->22         started        25 rgmeiop.exe 15->25         started        27 TypeId.exe 15->27         started        29 conhost.exe 15->29         started        31 WerFault.exe 15->31         started        process5 file6 60 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 17->60 62 Writes to foreign memory regions 17->62 64 Modifies the context of a thread in another process (thread injection) 17->64 33 MSBuild.exe 3 17->33         started        66 Sample uses process hollowing technique 20->66 68 Injects a PE file into a foreign processes 20->68 36 aspnet_compiler.exe 20->36         started        44 C:\Users\user\AppData\Local\...\TypeId.exe, PE32+ 22->44 dropped 46 C:\Users\user\AppData\Roaming\...\TypeId.exe, PE32+ 25->46 dropped signatures7 process8 signatures9 70 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 33->70 72 Modifies the context of a thread in another process (thread injection) 33->72 74 Injects a PE file into a foreign processes 33->74 38 MSBuild.exe 15 4 33->38         started        42 aspnet_compiler.exe 36->42         started        process10 dnsIp11 52 185.196.9.161, 49730, 49735, 80 SIMPLECARRIERCH Switzerland 38->52 54 80.85.241.193, 49729, 49731, 49732 MEDIAL-ASRU Russian Federation 38->54 48 C:\Users\user\AppData\Local\...\sfmupkhbx.exe, PE32 38->48 dropped 50 C:\Users\user\AppData\Local\...\rgmeiop.exe, PE32+ 38->50 dropped 56 185.17.0.22, 39001, 49759, 49762 SUPERSERVERSDATACENTERRU Russian Federation 42->56 58 45.15.159.88, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 42->58 file12
Threat name:
Win64.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-11-11 01:11:46 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Program crash
Suspicious use of SetThreadContext
Executes dropped EXE
Downloads MZ/PE file
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
a1765648a41eea21fd942776cba9b50705673d8f7564ae7f8c9751eda9e2e564
MD5 hash:
d497d6f5d3b74379d1ca2e1abde20281
SHA1 hash:
937aac5cf9191e833724edda2742ed115a5237c7
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table

File information


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

Web download

zgRAT

Executable exe a1765648a41eea21fd942776cba9b50705673d8f7564ae7f8c9751eda9e2e564

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-11-11 09:11:08 UTC

url : hxxp://185.196.9.161/Nfwwamql.exe