MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07efd31e78e6442f68a9fb7b15ad7e9bf98b4824c8b78b08f03b7d3de9fec017. 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 8 File information Comments

SHA256 hash: 07efd31e78e6442f68a9fb7b15ad7e9bf98b4824c8b78b08f03b7d3de9fec017
SHA3-384 hash: ac9a9b9c5b0856c74fe8410225d48d4e5f39388ef3ac487e87483c205565b73feb786894173207ae739b45d0d8f3cb5f
SHA1 hash: e466c81d2210c054501c17485260ad798dab9eb7
MD5 hash: ef5bfcad3c7aa6158767b798d657a292
humanhash: spaghetti-burger-twelve-football
File name:EF5BFCAD3C7AA6158767B798D657A292.exe
Download: download sample
Signature DCRat
File size:2'839'329 bytes
First seen:2024-04-14 04:10:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (388 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:2TbBv5rUyXVMtypQ+LGQrOCw7sULqPyZwSxIshnWIjm7vZAjX+ez87TkQPI1Q7S7:IBJUyp9JrolwSx9WkiLekTk1JMTW
TLSH T1E1D5B0303DEB502AF173EFB59AE4749ADA6EF6B33B07585E205003864713A81DDD163A
TrID 74.5% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.2% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
2.9% (.EXE) Win64 Executable (generic) (10523/12/4)
1.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://89.23.98.225/providerlongpollServermultidbwp.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
440
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
07efd31e78e6442f68a9fb7b15ad7e9bf98b4824c8b78b08f03b7d3de9fec017.exe
Verdict:
Malicious activity
Analysis date:
2024-04-14 04:10:49 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
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Loading a suspicious library
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the %temp% directory
Sending a UDP request
Connection attempt
Sending an HTTP POST request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd dcrat fingerprint installer lolbin overlay packed setupapi sfx shdocvw shell32
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.
Malware family:
Dark Crystal RAT
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates processes via WMI
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)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
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
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DCRat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1425673 Sample: nxs4if1qOO.exe Startdate: 14/04/2024 Architecture: WINDOWS Score: 100 69 Snort IDS alert for network traffic 2->69 71 Antivirus detection for dropped file 2->71 73 Antivirus / Scanner detection for submitted sample 2->73 75 6 other signatures 2->75 10 nxs4if1qOO.exe 3 6 2->10         started        13 providerserver.exe 14 23 2->13         started        17 providerserver.exe 2->17         started        process3 dnsIp4 55 C:\BridgeComCommon\providerserver.exe, PE32 10->55 dropped 57 YAA0lKAkJofbymv1pX...S5NxwKexjqW1N0p.vbe, data 10->57 dropped 19 wscript.exe 1 10->19         started        67 89.23.98.225, 49730, 49731, 49732 MAXITEL-ASRU Russian Federation 13->67 59 C:\Users\user\Desktop\zowJXGwo.log, PE32 13->59 dropped 61 C:\Users\user\Desktop\yAsAlsAq.log, PE32 13->61 dropped 63 C:\Users\user\Desktop\wDQsQslv.log, PE32 13->63 dropped 65 18 other malicious files 13->65 dropped 87 Antivirus detection for dropped file 13->87 89 Multi AV Scanner detection for dropped file 13->89 91 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 13->91 93 2 other signatures 13->93 file5 signatures6 process7 signatures8 77 Windows Scripting host queries suspicious COM object (likely to drop second stage) 19->77 22 cmd.exe 1 19->22         started        process9 process10 24 providerserver.exe 3 29 22->24         started        28 conhost.exe 22->28         started        file11 47 C:\Users\user\Desktop\xSbtcvNI.log, PE32 24->47 dropped 49 C:\Users\user\Desktop\uUBkqPmJ.log, PE32 24->49 dropped 51 C:\Users\user\Desktop\rjVTjBbR.log, PE32 24->51 dropped 53 20 other malicious files 24->53 dropped 79 Antivirus detection for dropped file 24->79 81 Multi AV Scanner detection for dropped file 24->81 83 Machine Learning detection for dropped file 24->83 85 2 other signatures 24->85 30 cmd.exe 1 24->30         started        33 schtasks.exe 24->33         started        35 schtasks.exe 24->35         started        37 schtasks.exe 24->37         started        signatures12 process13 signatures14 95 Uses ping.exe to sleep 30->95 97 Uses ping.exe to check the status of other devices and networks 30->97 39 conhost.exe 30->39         started        41 PING.EXE 1 30->41         started        43 chcp.com 1 30->43         started        45 providerserver.exe 30->45         started        process15
Threat name:
Win32.Trojan.DCRat
Status:
Malicious
First seen:
2024-03-29 04:48:55 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Process spawned unexpected child process
Unpacked files
SH256 hash:
12e6b5aca85c5dcf35bd6cfb5364c3cbc904def21e97535d2415bca3719631f7
MD5 hash:
078ab8e47a729688a77440d620d163f3
SHA1 hash:
c7c39e6b448803701d2ba66b3f076ab7ec9deb1a
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
SH256 hash:
9543c0cf3d9dfd6765ad0b589c4170d90f4e5ca77b9125353ccabc691c39f91b
MD5 hash:
dfd8a82957b68125f8221a8a56091428
SHA1 hash:
e2f452af0cc838ca8148188330369b0adf61108b
Detections:
INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File cn_utf8_windows_terminal
SH256 hash:
07efd31e78e6442f68a9fb7b15ad7e9bf98b4824c8b78b08f03b7d3de9fec017
MD5 hash:
ef5bfcad3c7aa6158767b798d657a292
SHA1 hash:
e466c81d2210c054501c17485260ad798dab9eb7
Detections:
INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File cn_utf8_windows_terminal
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants

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
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments