MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 337c4fd53d4d48999ba1eb062bead9abef2ea2939a880287d9334c6ddd0da754. 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 10 File information Comments
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SHA256 hash: 337c4fd53d4d48999ba1eb062bead9abef2ea2939a880287d9334c6ddd0da754
SHA3-384 hash: 843078e33b71c160d40537f46cf9fbfaef9e0233e8d29fc51f82a34bdb4d18991bf044637962401e3476033867835d58
SHA1 hash: 400d51aaa271d562f0b98d97ff156c7042350489
MD5 hash: a9652cd2252ae3ac285964f8c164416d
humanhash: lactose-indigo-island-uranus
File name:337c4fd53d4d48999ba1eb062bead9abef2ea2939a880287d9334c6ddd0da754
Download: download sample
Signature zgRAT
Create hunting rule
File size:4'058'356 bytes
First seen:2023-11-07 14:52:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 98304:yrjZIJwKmSXw4Ch2sgWESFEONxrMMstGSNyRde:OjZIuK1HWESFXNZOG3RA
Threatray 788 similar samples on MalwareBazaar
TLSH T12616F186A9915F33C2A07E3056C7101E83B4DE22B9B1EF1B392F3195BC511329B5B6F6
TrID 53.5% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
39.8% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
2.1% (.EXE) Win64 Executable (generic) (10523/12/4)
1.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter adrian__luca
Tags:exe zgRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
328
Origin country :
HU HU
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.VBS.Encrypted.Gen.UNOFFICIAL
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Win.Trojan.Uztuby-9855059-0
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Win.Packed.Uztuby-10009381-0
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SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Sending a custom TCP request
Loading a suspicious library
Using the Windows Management Instrumentation requests
Launching a process
Moving a file to the Program Files subdirectory
Creating a file in the %temp% subdirectories
Creating a file in the Program Files subdirectories
Replacing executable files
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm greyware installer lolbin overlay packed packed packed replace setupapi sfx shdocvw shell32 wscript zusy
Link:
https://www.filescan.io/uploads/654a4f4d4b55303a8b7f7048/reports/ef89dc96-fe3a-4023-9a59-11fc3837b3df/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/337c4fd53d4d48999ba1eb062bead9abef2ea2939a880287d9334c6ddd0da754
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/24a57d5e-a31d-4882-81bd-2f0d48a15e25
Result
Threat name:
DCRat, zgRAT
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Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1338295
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Creates processes via WMI
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
Infects executable files (exe, dll, sys, html)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Dot net compiler compiles file from suspicious location
Snort IDS alert for network traffic
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DCRat
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1338295 Sample: jWPW3CjSsa.exe Startdate: 07/11/2023 Architecture: WINDOWS Score: 100 95 Snort IDS alert for network traffic 2->95 97 Antivirus detection for URL or domain 2->97 99 Antivirus detection for dropped file 2->99 101 9 other signatures 2->101 10 jWPW3CjSsa.exe 3 6 2->10         started        13 qKRdidsiaQztKZ.exe 2->13         started        15 qKRdidsiaQztKZ.exe 2 2->15         started        18 21 other processes 2->18 process3 file4 69 C:\bridgeComponentdllsvc\ChainFont.exe, PE32 10->69 dropped 20 wscript.exe 1 10->20         started        71 C:\Users\user\Desktop\ySCngZmt.log, PE32 13->71 dropped 73 C:\Users\user\Desktop\wVbfKZXy.log, PE32 13->73 dropped 75 C:\Users\user\Desktop\szvwElUF.log, PE32 13->75 dropped 77 20 other malicious files 13->77 dropped 23 cmd.exe 13->23         started        113 Multi AV Scanner detection for dropped file 15->113 25 svchost.exe 18->25 injected signatures5 process6 signatures7 103 Windows Scripting host queries suspicious COM object (likely to drop second stage) 20->103 27 cmd.exe 1 20->27         started        29 conhost.exe 23->29         started        process8 process9 31 ChainFont.exe 7 51 27->31         started        35 conhost.exe 27->35         started        file10 79 C:\Windows\TAPI\qKRdidsiaQztKZ.exe, PE32 31->79 dropped 81 C:\Users\user\Desktop\zySUBsBc.log, PE32 31->81 dropped 83 C:\Users\user\Desktop\zpuURGif.log, PE32 31->83 dropped 85 27 other malicious files 31->85 dropped 87 Multi AV Scanner detection for dropped file 31->87 89 Creates an undocumented autostart registry key 31->89 91 Creates multiple autostart registry keys 31->91 93 4 other signatures 31->93 37 cmd.exe 31->37         started        40 csc.exe 4 31->40         started        43 csc.exe 31->43         started        45 5 other processes 31->45 signatures11 process12 file13 105 Uses ping.exe to sleep 37->105 107 Drops executables to the windows directory (C:\Windows) and starts them 37->107 109 Uses ping.exe to check the status of other devices and networks 37->109 61 4 other processes 37->61 65 C:\Program Files (x86)\...\msedge.exe, PE32 40->65 dropped 111 Infects executable files (exe, dll, sys, html) 40->111 47 conhost.exe 40->47         started        49 cvtres.exe 40->49         started        67 C:\Windows\...\SecurityHealthSystray.exe, PE32 43->67 dropped 51 conhost.exe 43->51         started        53 cvtres.exe 43->53         started        55 conhost.exe 45->55         started        57 conhost.exe 45->57         started        59 conhost.exe 45->59         started        63 2 other processes 45->63 signatures14 process15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/337c4fd53d4d48999ba1eb062bead9abef2ea2939a880287d9334c6ddd0da754
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/337c4fd53d4d48999ba1eb062bead9abef2ea2939a880287d9334c6ddd0da754/
Threat name:
Win32.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2023-10-28 12:16:10 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gn6e7vj5jvejtg5b5mdcx2wzvpxs5iuttkeafb6zgngg3xinu5ka._file
Verdict:
unknown
Similar samples:
0dc7d8248f6ce6c32678640c7451424cd02ceb26b53123d05998e48cce556b04
zgRAT
24471a5441763eca34eb78d690343b58468465c0c031a1ad3a7e71525d27fdcb
zgRAT
432c99b8f1108ed0d94b7b1e620b230f8f55c47ca62c0fcdd1a3afac8548f239
zgRAT
51ba2b6912305fd63c041dccff36db067314cab3f93227aaf21990801efa0b25
zgRAT
5b30f4ac144f54f78fb4697c835581fc47f6a801bf9e3a15a94d1e7ca7ff3f03
zgRAT
de1a9e46409fcd4870ce25847b967afc67ecf648235c6b0f450d886770445d11
zgRAT
e601a9b4dc605b4e283a5b97ed2cb16da2e754b7a6c27585c6f0d1cdbed99094
zgRAT
e9cab57867d919263c281a7e265804edd58e15c310d7f057216d28d9eef9c5dd
zgRAT
f56bd344f2e9650ba6def3340bc5ac26472ea615744b38786d5445a75a0e51b4
zgRAT
+ 778 additional samples on MalwareBazaar
Result
Malware family:
zgrat
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Score:
  10/10
Tags:
family:zgrat persistence rat
Link:
https://tria.ge/reports/231107-r8971acd59/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detect ZGRat V1
Modifies WinLogon for persistence
Process spawned unexpected child process
ZGRat
Unpacked files
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
Link:
https://www.unpac.me/results/3d129302-00a6-46ca-8492-f727ba162f1d/
SH256 hash:
7a080d8bd178ec02c7f39f7f941479074c450c4fdd8e963c993d2fb5537c7708
MD5 hash:
16b480082780cc1d8c23fb05468f64e7
SHA1 hash:
6fddf86f9f0fbaa189f5cb79e44999a3f1ac2b26
Link:
https://www.unpac.me/results/3d129302-00a6-46ca-8492-f727ba162f1d/
SH256 hash:
337c4fd53d4d48999ba1eb062bead9abef2ea2939a880287d9334c6ddd0da754
MD5 hash:
a9652cd2252ae3ac285964f8c164416d
SHA1 hash:
400d51aaa271d562f0b98d97ff156c7042350489
Link:
https://www.unpac.me/results/3d129302-00a6-46ca-8492-f727ba162f1d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/337c4fd53d4d48999ba1eb062bead9abef2ea2939a880287d9334c6ddd0da754

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

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