MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfee71819392779f8b9f228c2601ff9a89b36c9f3bf56350cedc35bbf957f4a9. 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 5 File information Comments
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SHA256 hash: cfee71819392779f8b9f228c2601ff9a89b36c9f3bf56350cedc35bbf957f4a9
SHA3-384 hash: e09b3c469b0ec853df9c09d629997e35f8a8362295764928ddcede5135e3c566ef7318a2f686ad49d8bdc52301579a5b
SHA1 hash: 6fa3afdf39c1904e5117906fa2941c9658686779
MD5 hash: f08e3c698a78d36cf2205af33d9c8c41
humanhash: east-wisconsin-don-kansas
File name:cf.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'590'272 bytes
First seen:2023-10-04 11:32:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:5U5Lsj26Yfv66b/zlf1v/4/fFQB7O/4G3chNcpwiCo91qUVRddMY/z3PLO3:5WXv3b/Zd42I4GchjiCURNTL
Threatray 41 similar samples on MalwareBazaar
TLSH T1B2758C013E46CA11F4191233D2EF855847B1A8516AE6F31B7DBE376E95223A73C0E9CB
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 0x746f6d6669
Tags:DCRat exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
335
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Win.Packed.Msilmamut-9950860-0
Create hunting rule

Win.Packed.Basic-9952747-0
Create hunting rule

Win.Packed.Uztuby-9963900-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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 file in the %temp% directory
Running batch commands
Creating a process with a hidden window
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm cmd cscript dcrat explorer lolbin net_reactor obfuscated packed packed schtasks
Link:
https://www.filescan.io/uploads/651d4d6f00484a156001bc89/reports/94017fd7-3471-4618-a1f7-3521dc1a72cb/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/cfee71819392779f8b9f228c2601ff9a89b36c9f3bf56350cedc35bbf957f4a9
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/a9fbab76-4aac-4fee-bb9b-2dbdb6cffbf6
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1319401
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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 processes via WMI
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected DCRat
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1319401 Sample: cf.exe Startdate: 04/10/2023 Architecture: WINDOWS Score: 100 50 Found malware configuration 2->50 52 Antivirus detection for URL or domain 2->52 54 Antivirus detection for dropped file 2->54 56 13 other signatures 2->56 7 cf.exe 6 12 2->7         started        11 mDnRAmZFhFpvYpSCUxaxRObuJo.exe 15 23 2->11         started        14 schtasks.exe 2->14         started        16 12 other processes 2->16 process3 dnsIp4 38 C:\Windows\...\mDnRAmZFhFpvYpSCUxaxRObuJo.exe, PE32 7->38 dropped 40 C:\...\mDnRAmZFhFpvYpSCUxaxRObuJo.exe, PE32 7->40 dropped 42 C:\Users\user\AppData\...\UvH15lHOqc.bat, DOS 7->42 dropped 58 Creates an undocumented autostart registry key 7->58 60 Creates an autostart registry key pointing to binary in C:\Windows 7->60 62 Adds a directory exclusion to Windows Defender 7->62 64 Creates processes via WMI 7->64 18 cmd.exe 1 7->18         started        20 powershell.exe 19 7->20         started        22 powershell.exe 19 7->22         started        24 powershell.exe 19 7->24         started        44 cj77911.tw1.ru 5.23.50.27, 49779, 49781, 49782 TIMEWEB-ASRU Russian Federation 11->44 46 api.telegram.org 149.154.167.220, 443, 49785, 49788 TELEGRAMRU United Kingdom 11->46 48 ipinfo.io 34.117.59.81, 443, 49780 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 11->48 66 Multi AV Scanner detection for dropped file 11->66 68 May check the online IP address of the machine 11->68 70 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 11->70 72 Tries to harvest and steal browser information (history, passwords, etc) 11->72 file5 signatures6 process7 process8 26 w32tm.exe 1 18->26         started        28 conhost.exe 18->28         started        30 cf.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 24->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cfee71819392779f8b9f228c2601ff9a89b36c9f3bf56350cedc35bbf957f4a9/
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Create hunting rule
Status:
Malicious
First seen:
2023-10-03 19:17:18 UTC
File Type:
PE (.Net Exe)
AV detection:
29 of 35 (82.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z7xhdamtsj3z7c47ekgcmap7tke3g3e7hp2wgugo3q23x6kx6suq._file
Verdict:
malicious
Similar samples:
7ba9eba6d60feb3df3c0fe1c8913743e07cdcfbc0e02f9a7bf5bbaf1b056c1ae
DCRat
7f6cb2f1d0a91f0e2dbdd7f9d77990d7e47edf50b5f0a0894a1b405f7a8bdfac
DCRat
b52835c7a3e8e3d71540d7f1bbf3387958ca343752ead1f8d09cd040cfeeb74e
DCRat
de8904daf0c5ec9ad4225fc8a4f9b3b66fd2de5d18b0cb3bfb94bb8b7ef7f969
DCRat
deb4782f354f05d5ec28658ce35227e8ad5d1242260bd7cb2df5a90b84e25481
DCRat
e444a15adcc6f0c050ab4380698c88958c1333b971747d4747a744d85bb3c2ae
DCRat
+ 31 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer persistence rat spyware stealer
Link:
https://tria.ge/reports/231004-nnv1ssdb74/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service 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
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
DCRat payload
DcRat
Modifies WinLogon for persistence
Process spawned unexpected child process
Unpacked files
SH256 hash:
6dd7d511800dae2f710c8b069233fd556e1f7eaeec348542a1a474a4df8110bb
MD5 hash:
a3fd125eb8c18232205fae1cb61a9324
SHA1 hash:
f0855a9e5ec3b3d21614270bdff97facd9f9f46d
Link:
https://www.unpac.me/results/cd31f4ce-5045-4c1e-899b-26f1a6f5e005/
SH256 hash:
2813db0e276a3f58f1b3f795dde4fa310e20c249e77619779d60280a387adb24
MD5 hash:
b601155ab45d2a0d430a261f3638ae7a
SHA1 hash:
c1f478579cf553b58212af7ea256330bca8a28e3
Detections:
dcrat_usbspread
Create hunting rule
Link:
https://www.unpac.me/results/cd31f4ce-5045-4c1e-899b-26f1a6f5e005/
SH256 hash:
fec5462d0085c4cced4e5ab7db28c158d33b28b38c5760876bcd9517a6d67ff7
MD5 hash:
e2e8b3b4575dd66b5bb6d0c513024f64
SHA1 hash:
200542c412280d687a42511816c731a85a7f6b97
Detections:
dcrat_system_restore_points_cleaner
Create hunting rule
Link:
https://www.unpac.me/results/cd31f4ce-5045-4c1e-899b-26f1a6f5e005/
SH256 hash:
cfee71819392779f8b9f228c2601ff9a89b36c9f3bf56350cedc35bbf957f4a9
MD5 hash:
f08e3c698a78d36cf2205af33d9c8c41
SHA1 hash:
6fa3afdf39c1904e5117906fa2941c9658686779
Link:
https://www.unpac.me/results/cd31f4ce-5045-4c1e-899b-26f1a6f5e005/
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/cfee71819392779f8b9f228c2601ff9a89b36c9f3bf56350cedc35bbf957f4a9

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: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.

Comments