MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f30ff34b7783623eeb7e213fc6a4bfe560e4607271791144262a3e5e3b9b1ed. 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: 18

Intelligence 18 IOCs YARA 20 File information Comments

SHA256 hash:	4f30ff34b7783623eeb7e213fc6a4bfe560e4607271791144262a3e5e3b9b1ed
SHA3-384 hash:	42754e44b05574c87a29bcc1c0e16d7b411148882631b6b89493257d7cf6fe77d8d8a3bd7befb582fdd10dc8b6e4bfc9
SHA1 hash:	2b23e354dfdc3028c7777f2951394e53e1a7de1c
MD5 hash:	e822f245c98b523d73cddbd7684581ab
humanhash:	jupiter-minnesota-paris-hydrogen
File name:	e822f245c98b523d73cddbd7684581ab.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'117'696 bytes
First seen:	2025-03-24 12:05:14 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	24576:GNdQle1yBSqZXyjBWT77sAflWdwT43AGXT1HWbw7AdsDU:Gzke0BSaXFAuT43Aye0o
Threatray	4'535 similar samples on MalwareBazaar
TLSH	T15F35E089F540A58FCC179B314960DC7463627D7AA73BC20F94CB39ABBA7F19749210A3
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika	pebin
dhash icon	0307612c88000000 (65 x AgentTesla, 47 x RemcosRAT, 9 x MassLogger)
Reporter	abuse_ch
Tags:	exe RAT RemcosRAT

abuse_ch

RemcosRAT C2:
216.250.248.203:1988

Intelligence

File Origin

# of uploads :

# of downloads :

404

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

e822f245c98b523d73cddbd7684581ab.exe

Verdict:

Malicious activity

Analysis date:

2025-03-25 06:15:15 UTC

Tags:

rat remcos netreactor

Link:

https://app.any.run/tasks/c4033462-5d15-4310-ae94-4901cf682365

Note:

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

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67e24ac4acb044ea849e9f2e

Tags:

crypted remcos virus remo

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Setting a keyboard event handler

Connection attempt

Sending a custom TCP request

DNS request

Sending an HTTP GET request

Adding an exclusion to Microsoft Defender

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

obfuscated obfuscated packed packed packer_detected vbnet

Link:

https://www.filescan.io/uploads/67e14bc8a08e28b31da055a5/reports/a61a28ec-16ee-43a2-9f10-c0c8331c26ba/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/4f30ff34b7783623eeb7e213fc6a4bfe560e4607271791144262a3e5e3b9b1ed

Result

Verdict:

MALICIOUS

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1646948

Behaviour

Behavior Graph:

n/a

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4f30ff34b7783623eeb7e213fc6a4bfe560e4607271791144262a3e5e3b9b1ed

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/4f30ff34b7783623eeb7e213fc6a4bfe560e4607271791144262a3e5e3b9b1ed/

Threat name:

Win32.Trojan.Leonem

Status:

Malicious

First seen:

2025-03-22 08:46:50 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=j4yp6nfxpa3ch3vx4ij7y2sl7zla4rqhe4lzcfccmkr6ly5zwhwq._file

Verdict:

malicious

Label(s):

unc_loader_037

remcos

RemcosRAT

35ebe17f33803f292a173b8652fdd9c69be8e6b89bc9897776e41c3a721b4211

RemcosRAT

4f30ff34b7783623eeb7e213fc6a4bfe560e4607271791144262a3e5e3b9b1ed

RemcosRAT

5065979aa97409ac09545b228fd25ba4d9c1474c7e9a4929b2e5d4508cd2638a

RemcosRAT

5a59a44310f39319efdcd6d82042b98115fb88dfc6f8153e612cb69ce17ceafc

RemcosRAT

error

RemcosRAT

+ 4'525 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:bongo discovery execution rat

Link:

https://tria.ge/reports/250324-pceecasrv7/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Command and Scripting Interpreter: PowerShell

Remcos

Remcos family

Malware Config

C2 Extraction:

216.250.248.203:1988

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/33845745-04e3-4ccb-a493-510888ab4175

Unpacked files

SH256 hash:

4f30ff34b7783623eeb7e213fc6a4bfe560e4607271791144262a3e5e3b9b1ed

MD5 hash:

e822f245c98b523d73cddbd7684581ab

SHA1 hash:

2b23e354dfdc3028c7777f2951394e53e1a7de1c

Link:

https://www.unpac.me/results/83053e2b-f8ab-448d-9369-398366e65c2e/

SH256 hash:

ed7090c87927967c08f1c0b861b1c21ed1cd0885227c31bb4e52e857f657b667

MD5 hash:

ab04dbde3ab78a30cd8ef476fd5e2ee5

SHA1 hash:

2ea3e35075a11b8f762272f19d4efae3caeafc5e

Detections:

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/83053e2b-f8ab-448d-9369-398366e65c2e/

Parent samples :
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SH256 hash:

c4aa4449f023bd53391e8a901f99575b687b26ddd5ad6d4faf8de6e2b45d1e03

MD5 hash:

b33d37ad313f12b9e145acbf49959ded

SHA1 hash:

7fcf84ad9fd929bdb2ea6b9ce584b0a7329ffe2c

Detections:

win_remcos_w0

win_remcos_auto

Remcos

malware_windows_remcos_rat

win_remcos_rat_unpacked

INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

Link:

https://www.unpac.me/results/83053e2b-f8ab-448d-9369-398366e65c2e/

Parent samples :

4f30ff34b7783623eeb7e213fc6a4bfe560e4607271791144262a3e5e3b9b1ed
b58c45d8dd9e899b926893321a923382aeaa7c3899d9166bb4a86f40a99fb767

SH256 hash:

bda42d459304248f793c2ced00533ee2ec43df479a7f4b9925622c0eac437729

MD5 hash:

661fdb01e2b41faf8d73c6eb4735cbb6

SHA1 hash:

83b081586ad8512c3ffb5ce6770bad73338f250c

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/83053e2b-f8ab-448d-9369-398366e65c2e/

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4f30ff34b778/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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

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

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

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:	NET Create hunting rule
Author:	malware-lu

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

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	pe_imphash Create hunting rule

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

Rule name:	REMCOS_RAT_variants Create hunting rule

Rule name:	Remcos_unpacked_PulseIntel Create hunting rule
Author:	PulseIntel
Description:	Remcos Payload

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

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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

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