MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fff08a4d2f28a06068b3a440cf4c5ee8f30950af3345c80efcb05839be155f26. 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: 14

Intelligence 14 IOCs YARA 9 File information Comments

SHA256 hash:	fff08a4d2f28a06068b3a440cf4c5ee8f30950af3345c80efcb05839be155f26
SHA3-384 hash:	2f1e78d1da4270839c0e5008eeda52efd0ce112067c60f0d48e3936000ce9e63bed0e26239908b0a5f0d72434c60759b
SHA1 hash:	132bd7f56db7c4849364df15ba8e2e6cc2b16205
MD5 hash:	4217d37a5cb59c1d14d636985cfec7ec
humanhash:	avocado-artist-quebec-zulu
File name:	primodal_steam_module.exe
Download:	download sample
Signature	DCRat Create hunting rule
File size:	3'277'048 bytes
First seen:	2024-06-17 09:04:31 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep	98304:VbIQ07ABDx/k0cPAlrxvXeZpTcz4L+UbX5dS53:V50MBDx/r4ADvQOz4npd4
Threatray	7 similar samples on MalwareBazaar
TLSH	T161E5E0017E50CE11F01A1633C2FF454447B4AA512BA6E72B7EBA37AE55123A37C1DACB
TrID	76.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39) 16.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 3.0% (.EXE) Win64 Executable (generic) (10523/12/4) 1.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 1.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter	vmovupd
Tags:	DCRat exe

Intelligence

File Origin

# of uploads :

# of downloads :

372

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

fff08a4d2f28a06068b3a440cf4c5ee8f30950af3345c80efcb05839be155f26.exe

Verdict:

Malicious activity

Analysis date:

2024-06-17 09:07:25 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/62a3ddb9-dcc3-485e-a438-34c0ae67cde5

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=666ffd620f8138dd4eab0f7cwin7simulatehigh_evasion

Tags:

Banker Encryption Execution Generic Network Other Static Stealth Dexter

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

Searching for synchronization primitives

Creating a file in the %AppData% subdirectories

Creating a process from a recently created file

Running batch commands

Creating a process with a hidden window

Using the Windows Management Instrumentation requests

Creating a file

Launching a process

Unauthorized injection to a recently created process

Blocking a possibility to launch for the Windows Task Manager (taskmgr)

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm cmd cscript epmicrosoft_visual_cc explorer fingerprint installer lolbin microsoft_visual_cc overlay packed packed schtasks setupapi sfx shdocvw shell32

Link:

https://www.filescan.io/uploads/666ffc45ef9fdf64aa6c0bb2/reports/f4738c9b-e463-478b-a157-29249f7bff7a/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/fff08a4d2f28a06068b3a440cf4c5ee8f30950af3345c80efcb05839be155f26

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/8411e2e7-4a66-46a5-ad94-c58415eb2f9f

Result

Threat name:

DCRat

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1458230

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

C2 URLs / IPs found in malware configuration

Check if machine is in data center or colocation facility

Disable Task Manager(disabletaskmgr)

Disables the Windows task manager (taskmgr)

Found malware configuration

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Sigma detected: WScript or CScript Dropper

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Yara detected DCRat

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/fff08a4d2f28a06068b3a440cf4c5ee8f30950af3345c80efcb05839be155f26

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/fff08a4d2f28a06068b3a440cf4c5ee8f30950af3345c80efcb05839be155f26/

Threat name:

ByteCode-MSIL.Trojan.Uztuby

Status:

Malicious

First seen:

2024-06-17 09:05:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

25 of 38 (65.79%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=77yiutjpfcqga2fturam6tc65dzqsufpgnc4qdx4wbmdtpqvl4ta._file

Verdict:

malicious

DCRat

d297f9df259ef55fa220e34eab0a5dfdfad7909775a7b04c09f3292627abf808

DCRat

fff08a4d2f28a06068b3a440cf4c5ee8f30950af3345c80efcb05839be155f26

DCRat

Result

Malware family:

dcrat

Score:

10/10

Tags:

family:dcrat evasion infostealer rat

Link:

https://tria.ge/reports/240617-k16raatenh/

Behaviour

Modifies registry class

Modifies registry key

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Disables Task Manager via registry modification

DCRat payload

DcRat

Unpacked files

SH256 hash:

c09d7b1ecf9dd4917c8f081132ac5c533bc326959505d7364aa546d4822e5c9c

MD5 hash:

60b6a611559a27f113b51c76733f26d0

SHA1 hash:

6dc70a539f0d1c8b9a84edef26c2bdf82bbfa098

Link:

https://www.unpac.me/results/5fb690d4-6613-44d1-8e65-d908f978cf43/

SH256 hash:

db44adcc5a6919a3e2c56230a0b755ea6eb25cd9cfb4c7aceda76a9c3fad5fc2

MD5 hash:

f6a2be982232660a4ef7923c9ea2a0f4

SHA1 hash:

49fd2c8a022c15d0286551fc81b2395e29079c7e

Link:

https://www.unpac.me/results/5fb690d4-6613-44d1-8e65-d908f978cf43/

SH256 hash:

fff08a4d2f28a06068b3a440cf4c5ee8f30950af3345c80efcb05839be155f26

MD5 hash:

4217d37a5cb59c1d14d636985cfec7ec

SHA1 hash:

132bd7f56db7c4849364df15ba8e2e6cc2b16205

Link:

https://www.unpac.me/results/5fb690d4-6613-44d1-8e65-d908f978cf43/

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/fff08a4d2f28a06068b3a440cf4c5ee8f30950af3345c80efcb05839be155f26

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 Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

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:	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:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SelfExtractingRAR Create hunting rule
Author:	Xavier Mertens
Description:	Detects an SFX archive with automatic script execution

Rule name:	SHA1_Constants Create hunting rule
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.

No further information available

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_TRUST_INFO	Requires Elevated Execution (level:requireAdministrator)	high

Reviews

ID	Capabilities	Evidence
GDI_PLUS_API	Interfaces with Graphics	gdiplus.dll::GdiplusStartup gdiplus.dll::GdiplusShutdown gdiplus.dll::GdipAlloc
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetSystemInfo KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::AllocConsole KERNEL32.dll::AttachConsole KERNEL32.dll::WriteConsoleW KERNEL32.dll::FreeConsole KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW KERNEL32.dll::CreateFileW KERNEL32.dll::CreateFileMappingW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW KERNEL32.dll::MoveFileExW

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