MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99e64babb02ebc1d5b30582b30d0fbe153cc33ebcc55dd382f9dce4abfe76ed0. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99e64babb02ebc1d5b30582b30d0fbe153cc33ebcc55dd382f9dce4abfe76ed0
SHA3-384 hash: b265be15cf090b44a947a285c2c24d56257fba415880e34341059b3a53cd5db8cb90bdb53f67ccbe5ef07c05ec4bf6f3
SHA1 hash: a4bc62ba308105e53a0d438cf8b90337434b8853
MD5 hash: 1df7042de91ebbe0fdc6dce717df04a5
humanhash: nuts-twelve-eight-spaghetti
File name:1df7042de91ebbe0fdc6dce717df04a5.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:847'360 bytes
First seen:2024-04-01 13:16:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'809 x AgentTesla, 19'728 x Formbook, 12'280 x SnakeKeylogger)
ssdeep 12288:rqimbc9qvl/LOVMPFLT3Mf++Ly798NEyfNo8lfGk:rANvl/aMPJ5iy7mNi8f
TLSH T13A05E7017E84CA12F0191233C2EF854887F49991BAA6E72B7DBA377D15123A73C1D9DB
TrID 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.SCR) Windows screen saver (13097/50/3)
6.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://a0934860.xsph.ru/_Defaultwindows.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
338
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
99e64babb02ebc1d5b30582b30d0fbe153cc33ebcc55dd382f9dce4abfe76ed0.exe
Verdict:
Malicious activity
Analysis date:
2024-04-01 13:54:22 UTC
Tags:
rat backdoor dcrat remote stealer
Link:
https://app.any.run/tasks/d670fb96-4775-4cee-acf6-6b49e4b72f39

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
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
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:
91%
Tags:
anti-vm cmd cscript dcrat explorer lolbin net_reactor obfuscated packed schtasks
Link:
https://www.filescan.io/uploads/660ab3d7d463a7b04778d704/reports/7749e6ce-c9a9-42cb-adb5-fadc2d0d68b1/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/99e64babb02ebc1d5b30582b30d0fbe153cc33ebcc55dd382f9dce4abfe76ed0
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/620ab3e9-44b5-4c97-b5f7-d35d281d790a
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1418174
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
C2 URLs / IPs found in malware configuration
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
Drops PE files with benign system names
Found malware configuration
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: Files With System Process Name In Unsuspected Locations
Sigma detected: Schedule system process
Sigma detected: System File Execution Location Anomaly
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1418174 Sample: Ryf8vHLcLt.exe Startdate: 01/04/2024 Architecture: WINDOWS Score: 100 36 a0934860.xsph.ru 2->36 38 Found malware configuration 2->38 40 Antivirus detection for dropped file 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 12 other signatures 2->44 7 Ryf8vHLcLt.exe 11 35 2->7         started        11 ApplicationFrameHost.exe 3 2->11         started        13 dllhost.exe 2->13         started        15 3 other processes 2->15 signatures3 process4 file5 26 C:\Windows\...\StartMenuExperienceHost.exe, PE32 7->26 dropped 28 C:\...\KrAUuLTDMrhCGQEnIuzeXtdzdOHd.exe, PE32 7->28 dropped 30 C:\Windows\...\ApplicationFrameHost.exe, PE32 7->30 dropped 32 7 other malicious files 7->32 dropped 46 Creates an undocumented autostart registry key 7->46 48 Creates multiple autostart registry keys 7->48 50 Creates an autostart registry key pointing to binary in C:\Windows 7->50 58 4 other signatures 7->58 17 Ryf8vHLcLt.exe 14 2 7->17         started        20 schtasks.exe 7->20         started        22 schtasks.exe 7->22         started        24 31 other processes 7->24 52 Antivirus detection for dropped file 11->52 54 Multi AV Scanner detection for dropped file 11->54 56 Machine Learning detection for dropped file 11->56 signatures6 process7 dnsIp8 34 a0934860.xsph.ru 141.8.194.149, 49704, 49712, 49713 SPRINTHOSTRU Russian Federation 17->34
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/99e64babb02ebc1d5b30582b30d0fbe153cc33ebcc55dd382f9dce4abfe76ed0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99e64babb02ebc1d5b30582b30d0fbe153cc33ebcc55dd382f9dce4abfe76ed0/
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Create hunting rule
Status:
Malicious
First seen:
2024-03-27 01:19:17 UTC
File Type:
PE (.Net Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=thtexk5qf26b2wzqlavtbuh34fj4ym7lzrk52obptxhevp7hn3ia._file
Verdict:
malicious
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer persistence rat
Link:
https://tria.ge/reports/240401-qjfresfd77/
Behaviour
Creates scheduled task(s)
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
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
DCRat payload
DcRat
Modifies WinLogon for persistence
Process spawned unexpected child process
Unpacked files
SH256 hash:
99e64babb02ebc1d5b30582b30d0fbe153cc33ebcc55dd382f9dce4abfe76ed0
MD5 hash:
1df7042de91ebbe0fdc6dce717df04a5
SHA1 hash:
a4bc62ba308105e53a0d438cf8b90337434b8853
Link:
https://www.unpac.me/results/bbf9f33e-7d48-448c-b6b9-7df27a3303c9/
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:BAZT_B5_NOCEXInvalidStream
Create hunting rule
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:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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