MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37728370446782dda4fd81f1bbcbe8759e00cc6d03aa4eb4822e73b02a8ce67a. 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: 11


Intelligence 11 IOCs 1 YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37728370446782dda4fd81f1bbcbe8759e00cc6d03aa4eb4822e73b02a8ce67a
SHA3-384 hash: cac10b84864018b924f05ed06dad35147d7f2a0592eec7c3c9c5832d0e523e49a0b69274101d8992484b04d63fc9e3f6
SHA1 hash: 9c5cbd8db524c1ba4d56077e3439a79f3312a1d5
MD5 hash: fd7e62de8a8b4eef4d2f7e8d4e2feefe
humanhash: skylark-shade-juliet-golf
File name:37728370446782DDA4FD81F1BBCBE8759E00CC6D03AA4.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:1'376'768 bytes
First seen:2021-12-30 21:35:52 UTC
Last seen:2021-12-30 23:54:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer)
ssdeep 24576:TJ8QrLQjsUI0y5gKvlP5jKGUm+Pn83EOWwKOkOYe0IyucykidZkVJv:TJ8sjUOdvrcHn05PYebyudv
TLSH T1D35533379B245C9ACCA170396727B5984F8BD4F2AAF7988606C423A4117C73363C6E77
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://62.109.6.190/PipedefaultGeneratorTest.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://62.109.6.190/PipedefaultGeneratorTest.php https://threatfox.abuse.ch/ioc/290076/

Intelligence

File Origin
# of uploads :
2
# of downloads :
273
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
37728370446782DDA4FD81F1BBCBE8759E00CC6D03AA4.exe
Verdict:
Malicious activity
Analysis date:
2021-12-30 21:37:02 UTC
Tags:
trojan rat backdoor dcrat
Link:
https://app.any.run/tasks/bbf34966-c01c-4894-938e-64ba2f590c7c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
EnigmaStub
Create hunting rule
Link:
https://www.capesandbox.com/analysis/216877/
Detection(s):
PUA.Win.Packer.EnigmaProtector-19
Create hunting rule

PUA.Win.Packer.EnigmaProtector-1
Create hunting rule

PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Launching a process
Creating a file in the Program Files subdirectories
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
enigma obfuscated packed zpevdo
Link:
https://www.filescan.io/uploads/61ce2647ec6c6c14a9fedb3c/reports/8ae35b52-2aaa-49c5-a9c4-35b803b2add8/overview
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/78bca02f-3823-4cc0-b7b0-e52529984a04
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/914158
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates files inside the volume driver (system volume information)
Creates processes via WMI
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found malware configuration
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Tries to evade analysis by execution special instruction which cause usermode exception
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 546636 Sample: 37728370446782DDA4FD81F1BBC... Startdate: 30/12/2021 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Antivirus detection for dropped file 2->49 51 14 other signatures 2->51 8 37728370446782DDA4FD81F1BBCBE8759E00CC6D03AA4.exe 10 28 2->8         started        12 ShellExperienceHost.exe 3 2->12         started        14 smartscreen.exe 3 2->14         started        16 8 other processes 2->16 process3 file4 33 C:\Windows\...\ShellExperienceHost.exe, PE32 8->33 dropped 35 C:\Windows\SysWOW64\vpnikeapi\spoolsv.exe, PE32 8->35 dropped 37 C:\Windows\SysWOW64\tree\RuntimeBroker.exe, PE32 8->37 dropped 39 10 other malicious files 8->39 dropped 57 Detected unpacking (changes PE section rights) 8->57 59 Detected unpacking (overwrites its own PE header) 8->59 61 Creates files inside the volume driver (system volume information) 8->61 71 3 other signatures 8->71 18 cmd.exe 1 8->18         started        63 Antivirus detection for dropped file 12->63 65 Multi AV Scanner detection for dropped file 12->65 67 Machine Learning detection for dropped file 12->67 69 Hides threads from debuggers 14->69 signatures5 process6 signatures7 53 Drops executables to the windows directory (C:\Windows) and starts them 18->53 21 ShellExperienceHost.exe 15 2 18->21         started        25 w32tm.exe 1 18->25         started        27 conhost.exe 18->27         started        29 chcp.com 1 18->29         started        process8 dnsIp9 41 62.109.6.190, 49744, 49745, 80 THEFIRST-ASRU Russian Federation 21->41 43 192.168.2.1 unknown unknown 21->43 55 Hides threads from debuggers 21->55 31 w32tm.exe 1 25->31         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37728370446782dda4fd81f1bbcbe8759e00cc6d03aa4eb4822e73b02a8ce67a/
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Create hunting rule
Status:
Malicious
First seen:
2021-08-27 11:12:04 UTC
File Type:
PE (Exe)
AV detection:
30 of 43 (69.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g5zig4cem6bn3jh5qhy3xs7iowpabtdnaove5necfzz3akum4z5a._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence suricata
Link:
https://tria.ge/reports/211230-1fxkwaegeq/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Process spawned unexpected child process
suricata: ET MALWARE DCRAT Activity (GET)
Unpacked files
SH256 hash:
37728370446782dda4fd81f1bbcbe8759e00cc6d03aa4eb4822e73b02a8ce67a
MD5 hash:
fd7e62de8a8b4eef4d2f7e8d4e2feefe
SHA1 hash:
9c5cbd8db524c1ba4d56077e3439a79f3312a1d5
Link:
https://www.unpac.me/results/6e21ba01-d2cd-4fc8-bcc4-939c6654a0e4/
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/37728370446782dda4fd81f1bbcbe8759e00cc6d03aa4eb4822e73b02a8ce67a

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:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_DCRat
Create hunting rule
Author:ditekSHen
Description:DCRat payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_smominru_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.smominru.
Rule name:XOREngine_Misc_XOR_Func
Create hunting rule
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/216877/

Comments