MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a3a78f874d806d86e4a781aa267d1a03ec959635011dbedbe5be2adca46b9c5. 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 3 File information Comments

SHA256 hash:	1a3a78f874d806d86e4a781aa267d1a03ec959635011dbedbe5be2adca46b9c5
SHA3-384 hash:	908013d0cc0300e1f535681c08c9cc3f323572c40cd5756b2b825223dda4001a9e4ede6f0d3fc35abe9d4b8b90ec1c7f
SHA1 hash:	1abfa977804bf18315087adfac334d019221db07
MD5 hash:	a496655d47395c366faf63221b9b0cc4
humanhash:	spring-west-robert-harry
File name:	a496655d47395c366faf63221b9b0cc4.exe
Download:	download sample
Signature	DCRat Create hunting rule
File size:	1'330'176 bytes
First seen:	2024-04-21 17:00:09 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer)
ssdeep	24576:mpORKlEFLFVOvoOFniNL1nDS662lWiqqB2xT/KggOIJevr8/a0MnvBBm:CHl4pwvoOFKxY2l5qh2ggOHo/gnv7m
Threatray	59 similar samples on MalwareBazaar
TLSH	T1B8553365420AED23C24C12BD6ADE5A29FCBDB47F73D20159E4736F1222463325262FED
TrID	25.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 19.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.1% (.EXE) Win32 Executable (generic) (4504/4/1) 7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23) 7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter	abuse_ch
Tags:	DCRat exe

abuse_ch

DCRat C2:
http://cv76387.tw1.ru/_Defaultwindows.php

Intelligence

File Origin

# of uploads :

# of downloads :

562

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

1a3a78f874d806d86e4a781aa267d1a03ec959635011dbedbe5be2adca46b9c5.exe

Verdict:

Suspicious activity

Analysis date:

2024-04-21 17:03:36 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/04468504-f2c8-4cd6-a1ff-ca4f94ea3dfc

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Searching for analyzing tools

DNS request

Connection attempt

Sending an HTTP GET request

Launching a process

Moving a file to the Program Files subdirectory

Replacing files

Forced system process termination

Creating a window

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

enigma lolbin obfuscated packed packed shell32 xpack

Link:

https://www.filescan.io/uploads/6625464f47bfd8641eb18bd1/reports/e189fe67-8127-40b1-a212-2efe8779e9dd/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/1a3a78f874d806d86e4a781aa267d1a03ec959635011dbedbe5be2adca46b9c5

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

Link:

https://analyze.intezer.com/analyses/c38b6e3a-1e50-40d4-a8eb-95827070698a

Result

Threat name:

DCRat

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1429271

Signature

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found malware configuration

Hides threads from debuggers

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

PE file contains section with special chars

PE file has nameless sections

Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)

Snort IDS alert for network traffic

Tries to detect sandboxes and other dynamic analysis tools (window names)

Yara detected DCRat

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/1a3a78f874d806d86e4a781aa267d1a03ec959635011dbedbe5be2adca46b9c5

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1a3a78f874d806d86e4a781aa267d1a03ec959635011dbedbe5be2adca46b9c5/

Threat name:

Win32.Backdoor.Dcrat

Status:

Malicious

First seen:

2024-04-14 15:22:28 UTC

File Type:

PE (Exe)

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=di5hr6du3adnq3skpankez6rua7mswldkai5x3n6lprk3ssgxhcq._file

Verdict:

malicious

DCRat

4277e4fe925c5f4b25d611f5a2431addcf528aa641349fc95bd3403bc503b3f9

DCRat

4e6333e4c4cb032d90a01f0499d63346da93f702ef1bc8aa6a0b0a8cad912354

DCRat

8709a2d366b5a25dafcda279a431d07da457676948024ee28e60e7848b7d24e4

DCRat

+ 49 additional samples on MalwareBazaar

Result

Malware family:

dcrat

Score:

10/10

Tags:

family:dcrat infostealer rat

Link:

https://tria.ge/reports/240421-vjh9rsff23/

Behaviour

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of NtSetInformationThreadHideFromDebugger

Looks up external IP address via web service

DCRat payload

DcRat

Unpacked files

SH256 hash:

1a3a78f874d806d86e4a781aa267d1a03ec959635011dbedbe5be2adca46b9c5

MD5 hash:

a496655d47395c366faf63221b9b0cc4

SHA1 hash:

1abfa977804bf18315087adfac334d019221db07

Detections:

SUSP_XORed_URL_In_EXE

Link:

https://www.unpac.me/results/38883e0a-3ac7-481b-b82d-1be3c44a06c3/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/1a3a78f874d8/report/overview.html

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:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	SUSP_XORed_URL_In_EXE Create hunting rule
Author:	Florian Roth (Nextron Systems)
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

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

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