MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b28df1a5c72982b065966aed5bb123abd06189dffb52822458451d01cd2c80d. 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



DCRat


Vendor detections: 12


Intelligence 12 IOCs YARA 8 File information Comments

SHA256 hash: 4b28df1a5c72982b065966aed5bb123abd06189dffb52822458451d01cd2c80d
SHA3-384 hash: 66e64717edda72ec8ab673503193dac9d86ce1d0f629dcf28c2f38f6cde4d03ace825eea4e095665fb9a421e8eda2235
SHA1 hash: 6fd900401e40f47ce5530686bac05dd80a736ac9
MD5 hash: b5f8b849f7ac3acb610c0eb1415634d0
humanhash: eight-speaker-low-football
File name:b5f8b849f7ac3acb610c0eb1415634d0.exe
Download: download sample
Signature DCRat
File size:1'972'961 bytes
First seen:2024-01-21 07:00:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (486 x NirCmd, 394 x DCRat, 52 x RedLineStealer)
ssdeep 24576:2TbBv5rUyXVi0ITNGsrwdZ1l3D8yT1f5ABz6cUsGgGMeG2C67:IBJiCH3D88ZcUtgGMeG2CY
Threatray 1'128 similar samples on MalwareBazaar
TLSH T12F959E0679635E33C2643F3284E7012ED3B0DB377622EF5B360E65D66A172719B126B2
TrID 74.5% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.2% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
2.9% (.EXE) Win64 Executable (generic) (10523/12/4)
1.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (906 x DCRat, 486 x NirCmd, 172 x RedLineStealer)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://3.79.245.165/async/Longpollsecure/7Async5/WpCpuLocalCpu/7geoprovider/5Universal/CdntempDbjs/2RequestSecureProtect/Central/Cdnmulti/Generatorbetter2Universal/6FlowerApitrack/Default/20/7api/updategenerator3geo/Private/imageVmPhpJs_SqlBaselocalCentralTemporary.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
415
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the 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
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Launching a process
Sending an HTTP POST request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint installer lolbin overlay packed packed setupapi sfx shdocvw shell32
Result
Threat name:
DCRat, zgRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops executables to the windows directory (C:\Windows) and starts them
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
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Snort IDS alert for network traffic
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DCRat
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1378173 Sample: GftSxs5lFu.exe Startdate: 21/01/2024 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Antivirus detection for URL or domain 2->53 55 Antivirus detection for dropped file 2->55 57 8 other signatures 2->57 10 GftSxs5lFu.exe 3 6 2->10         started        process3 file4 45 C:\DrivermonitorCommon\serverWebBroker.exe, PE32 10->45 dropped 47 C:\...\ecktOgAu20kZfM6aZTzWLhk6dDlzbKi.vbe, data 10->47 dropped 13 wscript.exe 1 10->13         started        process5 signatures6 71 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->71 16 cmd.exe 1 13->16         started        process7 process8 18 serverWebBroker.exe 3 16 16->18         started        22 conhost.exe 16->22         started        file9 37 C:\Windows\twain_32\UhYDkiFAFhsjEwufn.exe, PE32 18->37 dropped 39 C:\Windows\debug\dasHost.exe, PE32 18->39 dropped 41 C:\Recovery\UhYDkiFAFhsjEwufn.exe, PE32 18->41 dropped 43 3 other malicious files 18->43 dropped 59 Antivirus detection for dropped file 18->59 61 Multi AV Scanner detection for dropped file 18->61 63 Machine Learning detection for dropped file 18->63 24 cmd.exe 1 18->24         started        signatures10 process11 signatures12 65 Drops executables to the windows directory (C:\Windows) and starts them 24->65 27 UhYDkiFAFhsjEwufn.exe 14 2 24->27         started        31 w32tm.exe 1 24->31         started        33 conhost.exe 24->33         started        35 chcp.com 1 24->35         started        process13 dnsIp14 49 3.79.245.165, 49699, 49700, 49701 AMAZON-02US United States 27->49 67 Multi AV Scanner detection for dropped file 27->67 69 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 27->69 signatures15
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2024-01-17 08:54:21 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat rat
Behaviour
Modifies registry class
Runs ping.exe
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
6ea022d035c61c82143a93036bb0deda9775cf6d5d8e7f249ded2e4562278c56
MD5 hash:
11b669d70dbbe6c269355b35b825e104
SHA1 hash:
d2b4e255db8b8fc419971d65f1b6856d1c4089e6
Detections:
INDICATOR_EXE_Packed_DotNetReactor
SH256 hash:
35d9a387466d53a45665e062fe2c529f961d88afa952c9931ad45d32f20ee9e6
MD5 hash:
2a0db335fd8b3b33b1384f8b3dbd963a
SHA1 hash:
8581d84929f7bd7a560931695970a401ef4a24ce
SH256 hash:
4b28df1a5c72982b065966aed5bb123abd06189dffb52822458451d01cd2c80d
MD5 hash:
b5f8b849f7ac3acb610c0eb1415634d0
SHA1 hash:
6fd900401e40f47ce5530686bac05dd80a736ac9
Detections:
INDICATOR_EXE_Packed_DotNetReactor
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_DotNetReactor
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information


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

Comments