MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ec2af4b5c9bb02513b905dfa7217efdcec08dce2c3d9621bd4792d50e548cf1. 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

RemcosRAT

Vendor detections: 11

Intelligence 11 IOCs YARA 14 File information Comments

SHA256 hash:	3ec2af4b5c9bb02513b905dfa7217efdcec08dce2c3d9621bd4792d50e548cf1
SHA3-384 hash:	bac234754eb7b6881e29ea4a9015ba17097a29b2b190f90389dddbdd8c7b94568561cff2f64fa15487bba5786d4c0985
SHA1 hash:	2c2436357a6d2fa47fb895a6ff0a64ed2c6a1af3
MD5 hash:	d3ccea4baebe97ae4b7adf2c95ce4e20
humanhash:	florida-lake-venus-nevada
File name:	win_remcos_3ec2af4b5c9bb02513b905dfa7217efdcec08dce2c3d9621bd4792d50e548cf1
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	532'480 bytes
First seen:	2024-04-25 10:22:17 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
ssdeep	6144:AXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZsAX4cN:AX7tPMK8ctGe4Dzl4h2QnuPs/Zs
TLSH	T196B4AF01BAD1C072D57514300D36E776EAB8BD2128364A7FB3D61D5BFE30190B63AAB6
TrID	32.2% (.EXE) Win64 Executable (generic) (10523/12/4) 20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 15.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 13.7% (.EXE) Win32 Executable (generic) (4504/4/1) 6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter	Anonymous
Tags:	exe remcos RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

498

Origin country :

Vendor Threat Intelligence

Result

Verdict:

Clean

Maliciousness:

Verdict:

Malicious

Labled as:

Dacic.A9349469.A.Generic

Link:

https://www.hybrid-analysis.com/sample/3ec2af4b5c9bb02513b905dfa7217efdcec08dce2c3d9621bd4792d50e548cf1

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/95f6ff00-6e19-4082-88bf-47a33a20d1e6

Result

Threat name:

Remcos

Detection:

malicious

Classification:

troj.expl

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/1431549

Signature

Antivirus detection for URL or domain

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

80%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3ec2af4b5c9bb02513b905dfa7217efdcec08dce2c3d9621bd4792d50e548cf1

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/3ec2af4b5c9bb02513b905dfa7217efdcec08dce2c3d9621bd4792d50e548cf1/

Threat name:

Win32.Trojan.Remcos

Status:

Malicious

First seen:

2024-04-11 08:38:56 UTC

File Type:

PE (Exe)

AV detection:

24 of 37 (64.86%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=h3bk6s24toycke5zaxp2oil67xhmbdoofq6zmin5i6jnkdsurtyq._file

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos

Link:

https://tria.ge/reports/240425-meszeahg9w/

Unpacked files

SH256 hash:

3ec2af4b5c9bb02513b905dfa7217efdcec08dce2c3d9621bd4792d50e548cf1

MD5 hash:

d3ccea4baebe97ae4b7adf2c95ce4e20

SHA1 hash:

2c2436357a6d2fa47fb895a6ff0a64ed2c6a1af3

Detections:

Remcos

win_remcos_w0

win_remcos_auto

Link:

https://www.unpac.me/results/ae1012c1-3bfc-44f4-a12e-9c4672de2e77/

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/3ec2af4b5c9bb02513b905dfa7217efdcec08dce2c3d9621bd4792d50e548cf1

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

Rule name:	iexplorer_remcos Create hunting rule
Author:	iam-py-test
Description:	Detect iexplorer being taken over by Remcos

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM Create hunting rule
Author:	ditekSHen
Description:	Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

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

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	Remcos Create hunting rule
Author:	kevoreilly
Description:	Remcos Payload

Rule name:	REMCOS_RAT_variants Create hunting rule

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

Rule name:	Windows_Trojan_Remcos_b296e965 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set

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

Rule name:	win_remcos_rat_unpacked Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in remcos rat Samples.

Rule name:	win_remcos_w0 Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in remcos rat Samples.

Rule name:	yarahub_win_remcos_rat_unpacked_aug_2023 Create hunting rule
Author:	Matthew @ Embee_Research

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
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

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