MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b97e2d55213c845bb9055906a5357723d523397c6d5b6d48a0115c9bd00f67de. 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: 13

Intelligence 13 IOCs YARA 20 File information Comments

SHA256 hash:	b97e2d55213c845bb9055906a5357723d523397c6d5b6d48a0115c9bd00f67de
SHA3-384 hash:	3e28dfe8b4bac27d1b7beeb9c50fd7cf4b2fbfb94f2db7bc85cb659936dccd44fca93402474d43679b4b555607fbf518
SHA1 hash:	eb7bf3329b438593c6a1a16e0b7bec39095ac149
MD5 hash:	55e1910554c49614e6012367c09e13ab
humanhash:	louisiana-coffee-nuts-bacon
File name:	55E1910554C49614E6012367C09E13AB.exe
Download:	download sample
Signature	DCRat Create hunting rule
File size:	3'415'552 bytes
First seen:	2024-03-23 03:55:16 UTC
Last seen:	2024-03-23 05:25:40 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 80 x RedLineStealer)
ssdeep	49152:o8xhCcpCNPulYCFckZHvEdM1jegx7oOCM1Gn72tESduILWMJd33eRkX2EuFgtDGg:NhrChV+cU/NeBPMY72tRR0EuUG
TLSH	T16BF5336283C46A11DDA738B3ADD807D0731F9A4E60E1F6CD41AADF4FC953A4B07E9481
TrID	27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.6% (.EXE) Win32 Executable (generic) (4504/4/1) 8.5% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter	abuse_ch
Tags:	DCRat exe

abuse_ch

DCRat C2:
http://cf31000.tw1.ru/c68ae6a6.php

Intelligence

File Origin

# of uploads :

# of downloads :

390

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

b97e2d55213c845bb9055906a5357723d523397c6d5b6d48a0115c9bd00f67de.exe

Verdict:

Malicious activity

Analysis date:

2024-03-23 03:56:53 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/ebfae1e2-a04f-4ee4-861e-1fce61ac2bb3

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Creating a file in the Program Files subdirectories

Creating a file

Using the Windows Management Instrumentation requests

Launching a process

Creating a file in the Windows subdirectories

Enabling the 'hidden' option for analyzed file

Enabling the 'hidden' option for recently created files

Moving a file to the Program Files subdirectory

Replacing files

Running batch commands

Creating a process with a hidden window

Blocking the User Account Control

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Enabling autorun

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

enigma lolbin packed packed shell32 stealer

Link:

https://www.filescan.io/uploads/65fe52d3e267e4ac508604e8/reports/2c1bb5c5-52dd-4895-8ec6-ea2b019e0f5c/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/b97e2d55213c845bb9055906a5357723d523397c6d5b6d48a0115c9bd00f67de

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/3efb0572-fd3e-4f03-a7f3-14c0df8a3713

Result

Threat name:

DCRat

Detection:

malicious

Classification:

rans.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1414368

Signature

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Creates an autostart registry key pointing to binary in C:\Windows

Creates an undocumented autostart registry key

Creates autostart registry keys with suspicious values (likely registry only malware)

Creates multiple autostart registry keys

Creates processes via WMI

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Disable UAC(promptonsecuredesktop)

Disables UAC (registry)

Drops executable to a common third party application directory

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 dropped file

Multi AV Scanner detection for submitted file

PE file has nameless sections

Sigma detected: Files With System Process Name In Unsuspected Locations

Sigma detected: Schedule system process

Sigma detected: System File Execution Location Anomaly

Snort IDS alert for network traffic

Uses schtasks.exe or at.exe to add and modify task schedules

Writes many files with high entropy

Yara detected DCRat

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b97e2d55213c845bb9055906a5357723d523397c6d5b6d48a0115c9bd00f67de

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b97e2d55213c845bb9055906a5357723d523397c6d5b6d48a0115c9bd00f67de/

Threat name:

Win32.Backdoor.DCRat

Status:

Malicious

First seen:

2024-03-20 06:29:03 UTC

File Type:

PE (Exe)

AV detection:

24 of 24 (100.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xf7c2vjbhscfxoifledkknlxepksgol4nvnw2sfacfojxuapm7pa._file

Verdict:

malicious

Result

Malware family:

dcrat

Score:

10/10

Tags:

family:dcrat evasion infostealer persistence rat trojan

Link:

https://tria.ge/reports/240323-ehcgtsdb49/

Behaviour

Creates scheduled task(s)

Modifies registry class

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

System policy modification

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

Suspicious use of NtSetInformationThreadHideFromDebugger

Adds Run key to start application

Checks whether UAC is enabled

Looks up external IP address via web service

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

DCRat payload

DcRat

Modifies WinLogon for persistence

Process spawned unexpected child process

UAC bypass

Unpacked files

SH256 hash:

b97e2d55213c845bb9055906a5357723d523397c6d5b6d48a0115c9bd00f67de

MD5 hash:

55e1910554c49614e6012367c09e13ab

SHA1 hash:

eb7bf3329b438593c6a1a16e0b7bec39095ac149

Link:

https://www.unpac.me/results/4798f8ce-f237-4b56-9ed1-79adc6ccd068/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b97e2d55213c/report/overview.html

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/b97e2d55213c845bb9055906a5357723d523397c6d5b6d48a0115c9bd00f67de

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:	BobSoftMiniDelphiBoBBobSoft Create hunting rule
Author:	malware-lu

Rule name:	Borland Create hunting rule
Author:	malware-lu

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

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

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

Rule name:	EnigmaProtector11X13XSukhovVladimirSergeNMarkin Create hunting rule
Author:	malware-lu

Rule name:	EnigmaStub Create hunting rule
Author:	@bartblaze
Description:	Identifies Enigma packer stub.

Rule name:	maldoc_getEIP_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:	pe_imphash Create hunting rule

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

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

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

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	win_smominru_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.smominru.

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_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
SHELL_API	Manipulates System Shell	shell32.dll::ShellExecuteA
WIN_BASE_API	Uses Win Base API	kernel32.dll::LoadLibraryA
WIN_BASE_IO_API	Can Create Files	version.dll::GetFileVersionInfoA

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample