MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41d48506b34544abf99aa361f0068bc75ef723088dc319270b4ad0cf0d97fd65. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash: 41d48506b34544abf99aa361f0068bc75ef723088dc319270b4ad0cf0d97fd65
SHA3-384 hash: 48e7986c5211d90a03d80d09aa345733be89eb8278ffe7b806911621737d8dc114aa8b59352104c4409fa3f6de3fc62a
SHA1 hash: 126765dcf3feb120ca3112e533a2aa079c3e1d80
MD5 hash: b44707ad7ffb26212ab87d889824f799
humanhash: avocado-bulldog-west-helium
File name:b44707ad7ffb26212ab87d889824f799.exe
Download: download sample
Signature DCRat
File size:2'661'888 bytes
First seen:2023-12-31 20:15:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 49152:sqL9RqZCTCUc3I2Z/f5iz+29U0IGBC0x18bhK:saoUc3I0/BiKwrkW+hK
Threatray 10 similar samples on MalwareBazaar
TLSH T1E4C5D046A5528E33C264BF3184D71A2E42B4D73275B2EF1B3A6F19D96C063319E523B3
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://89.104.66.62/Temporary5/Request/PacketLongpollPoll/Providerexternal/CdnBigloadWordpress/ProtonUpdateDbVideo/7TestPipe/0/Poll/Protect/6Central3bigload/Downloads5/0imageExternalAsync/MultidatalifeSql/uploads5/Processor7processor/pythonBigloadlinux.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
297
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
41d48506b34544abf99aa361f0068bc75ef723088dc319270b4ad0cf0d97fd65.exe
Verdict:
Malicious activity
Analysis date:
2023-12-31 20:18:06 UTC
Tags:
rat backdoor dcrat remote stealer

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

Behaviour
Сreating synchronization primitives
Creating a file
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 process with a hidden window
Creating a file in the Program Files subdirectories
Replacing executable files
Running batch commands
Creating a process from a recently created file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm 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:
DCRat, zgRAT
Detection:
malicious
Classification:
spre.troj.spyw.expl.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
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Creates processes via WMI
Drops PE files with benign system names
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
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Schedule system process
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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
Yara detected DCRat
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1368422 Sample: SYAtAPPvur.exe Startdate: 31/12/2023 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic 2->66 68 Antivirus detection for URL or domain 2->68 70 Antivirus detection for dropped file 2->70 72 13 other signatures 2->72 7 SYAtAPPvur.exe 12 43 2->7         started        11 lsass.exe 2->11         started        14 CimXCZmaLfKZBgiOnEhivoZSX.exe 3 2->14         started        16 24 other processes 2->16 process3 dnsIp4 48 C:\Users\user\Desktop\zatieAUn.log, PE32 7->48 dropped 50 C:\Users\user\Desktop\sdFiBlay.log, PE32 7->50 dropped 52 C:\Users\user\Desktop\onPsuoZF.log, PE32 7->52 dropped 60 14 other malicious files 7->60 dropped 80 Creates an undocumented autostart registry key 7->80 82 Creates multiple autostart registry keys 7->82 84 Creates processes via WMI 7->84 86 Drops PE files with benign system names 7->86 18 cmd.exe 7->18         started        21 csc.exe 4 7->21         started        24 csc.exe 4 7->24         started        26 CimXCZmaLfKZBgiOnEhivoZSX.exe 7->26         started        64 89.104.66.62, 49712, 49713, 49714 RU-CENTER-ASRU Russian Federation 11->64 54 C:\Users\user\Desktop\uKwAsluo.log, PE32 11->54 dropped 56 C:\Users\user\Desktop\sHKSXBqt.log, PE32 11->56 dropped 58 C:\Users\user\Desktop\oRTbQFpz.log, PE32 11->58 dropped 62 7 other malicious files 11->62 dropped 88 Tries to harvest and steal browser information (history, passwords, etc) 11->88 90 Antivirus detection for dropped file 14->90 92 Multi AV Scanner detection for dropped file 14->92 94 Machine Learning detection for dropped file 14->94 file5 signatures6 process7 file8 74 Uses ping.exe to sleep 18->74 76 Uses ping.exe to check the status of other devices and networks 18->76 28 conhost.exe 18->28         started        30 chcp.com 18->30         started        32 PING.EXE 18->32         started        34 csrss.exe 18->34         started        44 C:\Program Files (x86)\...\msedge.exe, PE32 21->44 dropped 78 Infects executable files (exe, dll, sys, html) 21->78 36 conhost.exe 21->36         started        38 cvtres.exe 1 21->38         started        46 C:\Windows\...\SecurityHealthSystray.exe, PE32 24->46 dropped 40 conhost.exe 24->40         started        42 cvtres.exe 1 24->42         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.CrypterX
Status:
Malicious
First seen:
2023-12-24 15:25:31 UTC
File Type:
PE (.Net Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat persistence rat spyware stealer
Behaviour
Creates scheduled task(s)
Modifies registry class
Runs ping.exe
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 System32 directory
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Detect ZGRat V1
Modifies WinLogon for persistence
Process spawned unexpected child process
ZGRat
Unpacked files
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
SH256 hash:
7c95d3b38114e7e4126cb63aadaf80085ed5461ab0868d2365dd6a18c946ea3a
MD5 hash:
e9ce850db4350471a62cc24acb83e859
SHA1 hash:
55cdf06c2ce88bbd94acde82f3fea0d368e7ddc6
SH256 hash:
41d48506b34544abf99aa361f0068bc75ef723088dc319270b4ad0cf0d97fd65
MD5 hash:
b44707ad7ffb26212ab87d889824f799
SHA1 hash:
126765dcf3feb120ca3112e533a2aa079c3e1d80
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:INDICATOR_EXE_Packed_DotNetReactor
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
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.

Comments