MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 639123122d020ad675a3b6abde4ad0d0badefdb7bb2bb4b9560c90f7ed3d2784. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 639123122d020ad675a3b6abde4ad0d0badefdb7bb2bb4b9560c90f7ed3d2784
SHA3-384 hash: 8958646ab3a59bf879209836f26a563813d8cd54953d6a172e7713326932107081b9be0bf543b5816d653c8914211cd7
SHA1 hash: 51b03a18d896780ba06bd6ae64b906871869889c
MD5 hash: 34e76f0140b9881a7afd90b7423f7f07
humanhash: december-hotel-princess-foxtrot
File name:34e76f0140b9881a7afd90b7423f7f07.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:3'788'800 bytes
First seen:2024-05-21 13:30:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 98304:VY5UaccgRVctoz2+jX4PXwS3NK/qd836b1zQd:VYngRlz27vwS9Kt8cd
Threatray 254 similar samples on MalwareBazaar
TLSH T1B306E02ADA924E37E664BF71C4D7042E42B0D7366562EF1B3B0F22A16D152318B075FB
TrID 40.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
32.2% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
7.3% (.SCR) Windows screen saver (13097/50/3)
5.8% (.EXE) Win64 Executable (generic) (10523/12/4)
3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://5.35.98.20/3LongpollTemporary/_/2provider/0voiddbVideoLongpoll/VmphpjavascripthttpGeosqldatalifeTemp.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
353
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
639123122d020ad675a3b6abde4ad0d0badefdb7bb2bb4b9560c90f7ed3d2784.exe
Verdict:
Malicious activity
Analysis date:
2024-05-21 13:33:24 UTC
Tags:
rat dcrat remote darkcrystal exfiltration
Link:
https://app.any.run/tasks/33f265e9-6b49-46de-bd2b-27bd2cd89082

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.30425.UnRegNetReactor.UNOFFICIAL
Create hunting rule

Win.Packed.Uztuby-10009381-0
Create hunting rule

Win.Packed.Uztuby-10015036-0
Create hunting rule

Win.Packed.Uztuby-10015799-0
Create hunting rule

Win.Packed.Uztuby-10015902-0
Create hunting rule

Win.Packed.Uztuby-10017372-0
Create hunting rule

Win.Packed.Zusy-10023527-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=664ca1f09ecd12455b3e14c1win7simulatehigh_evasion
Tags:
Encryption Execution Network Static Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Creating a file
Creating a file in the Windows subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Loading a suspicious library
Connection attempt
Sending an HTTP POST request
Creating a window
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Enabling autorun
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
net_reactor packed packed
Link:
https://www.filescan.io/uploads/664ca21b7c9fb1468fc63d4e/reports/bbb4cd6c-d565-46e2-a4ae-5000a1a7052c/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/639123122d020ad675a3b6abde4ad0d0badefdb7bb2bb4b9560c90f7ed3d2784
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/99284c70-52a0-4f88-b0ad-c426ddda174e
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1445066
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates an undocumented autostart registry key
Creates processes via WMI
Drops executable to a common third party application directory
Drops PE files to the user root directory
Infects executable files (exe, dll, sys, html)
Loading BitLocker PowerShell Module
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: Execution from Suspicious Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected DCRat
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1445066 Sample: boq1PbKhdD.exe Startdate: 21/05/2024 Architecture: WINDOWS Score: 100 73 Snort IDS alert for network traffic 2->73 75 Antivirus detection for URL or domain 2->75 77 Antivirus detection for dropped file 2->77 79 14 other signatures 2->79 7 boq1PbKhdD.exe 5 57 2->7         started        11 jqxlncqQRKnhvqgWcsSMxDuXuQlJV.exe 2 2->11         started        13 jqxlncqQRKnhvqgWcsSMxDuXuQlJV.exe 2 2->13         started        15 9 other processes 2->15 process3 dnsIp4 53 C:\Users\user\Desktop\yNNWAwLJ.log, PE32 7->53 dropped 55 C:\Users\user\Desktop\xZJOOiPL.log, PE32 7->55 dropped 57 C:\Users\user\Desktop\uPnNOQkK.log, PE32 7->57 dropped 59 28 other malicious files 7->59 dropped 85 Creates an undocumented autostart registry key 7->85 87 Drops PE files to the user root directory 7->87 89 Adds a directory exclusion to Windows Defender 7->89 97 2 other signatures 7->97 18 cmd.exe 7->18         started        20 csc.exe 4 7->20         started        24 csc.exe 4 7->24         started        26 5 other processes 7->26 91 Multi AV Scanner detection for dropped file 11->91 93 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->93 95 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 11->95 71 127.0.0.1 unknown unknown 15->71 file5 signatures6 process7 file8 28 jqxlncqQRKnhvqgWcsSMxDuXuQlJV.exe 18->28         started        45 3 other processes 18->45 49 C:\Program Files (x86)\...\msedge.exe, PE32 20->49 dropped 81 Infects executable files (exe, dll, sys, html) 20->81 33 conhost.exe 20->33         started        35 cvtres.exe 1 20->35         started        51 C:\Windows\...\SecurityHealthSystray.exe, PE32 24->51 dropped 37 conhost.exe 24->37         started        39 cvtres.exe 1 24->39         started        83 Loading BitLocker PowerShell Module 26->83 41 conhost.exe 26->41         started        43 conhost.exe 26->43         started        47 4 other processes 26->47 signatures9 process10 dnsIp11 69 5.35.98.20, 49707, 49708, 49709 INF-NET-ASRU Russian Federation 28->69 61 C:\Users\user\Desktop\xlKNSKTN.log, PE32 28->61 dropped 63 C:\Users\user\Desktop\weLFNXlW.log, PE32 28->63 dropped 65 C:\Users\user\Desktop\pyeYzekj.log, PE32 28->65 dropped 67 21 other malicious files 28->67 dropped 99 Tries to harvest and steal browser information (history, passwords, etc) 28->99 file12 signatures13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/639123122d020ad675a3b6abde4ad0d0badefdb7bb2bb4b9560c90f7ed3d2784
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/639123122d020ad675a3b6abde4ad0d0badefdb7bb2bb4b9560c90f7ed3d2784/
Threat name:
ByteCode-MSIL.Trojan.Whispergate
Create hunting rule
Status:
Malicious
First seen:
2024-05-18 10:35:02 UTC
File Type:
PE (.Net Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=moisgernaifnm5ndw2v54swq2c5n57nxxmv3jokwbsipp3j5e6ca._file
Verdict:
malicious
Similar samples:
0266dc2bf6eb73b5ef4770bedecadbffb0c35cd3b17c9a97e39712d92f17d199
DCRat
08d8919249b3f442106283b5a413eaff6b6b3d9ca76ec7c3a88101b54bab0fe4
DCRat
0c1c671209be073feab00d096d81dc0db17e93b45d46a27c4a44a1bd2bb3d445
DCRat
3477199ac35c44688a69664eb2d722607cff4e3a376a2d066eace87fe016debc
DCRat
4eb2e889aafdbad87d66fad00dabe1fba5c935b9743a7dea3ec5c2def6a0b55c
DCRat
b1637a25a2959c9a6da241d94d8ddac92f3e542d86dbebdc47c1a06a4f6190a0
DCRat
c66d3b14b2a23fe8dacb3f55bae138ed1bae4b55e1771acf63712e3d9b3d7227
DCRat
f449e6978314a4591c2812f0db65927a5664ab82c8af4ed92164665d61e32143
DCRat
f63b65b5dca352a165cd6feadfba20232fb6a3b0e6471a6f17840ed2f51a96b0
DCRat
+ 244 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution persistence spyware stealer
Link:
https://tria.ge/reports/240521-qsdnesfe95/
Behaviour
Creates scheduled task(s)
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler 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
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Modifies WinLogon for persistence
Process spawned unexpected child process
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cf97a29b-02c0-482e-8d8c-5d6579db9ed7
Unpacked files
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
Link:
https://www.unpac.me/results/2dcb5f1d-cbb7-441c-acfd-6662b3ff75bb/
SH256 hash:
7a080d8bd178ec02c7f39f7f941479074c450c4fdd8e963c993d2fb5537c7708
MD5 hash:
16b480082780cc1d8c23fb05468f64e7
SHA1 hash:
6fddf86f9f0fbaa189f5cb79e44999a3f1ac2b26
Link:
https://www.unpac.me/results/2dcb5f1d-cbb7-441c-acfd-6662b3ff75bb/
SH256 hash:
639123122d020ad675a3b6abde4ad0d0badefdb7bb2bb4b9560c90f7ed3d2784
MD5 hash:
34e76f0140b9881a7afd90b7423f7f07
SHA1 hash:
51b03a18d896780ba06bd6ae64b906871869889c
Detections:
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/2dcb5f1d-cbb7-441c-acfd-6662b3ff75bb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/639123122d020ad675a3b6abde4ad0d0badefdb7bb2bb4b9560c90f7ed3d2784

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:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
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

Comments