MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5646873f89e3468c306385ef3d65b7daf63aeee4128553c3224c75cb0e6902ca. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5646873f89e3468c306385ef3d65b7daf63aeee4128553c3224c75cb0e6902ca
SHA3-384 hash: 022ca725c964f52fef4e5eaf398cc4090b3c9008a2a86477bde526fce5ded1b7da2d42dd7872f5a91803decd59152f61
SHA1 hash: 116cbb6f735fcb30c00856b5dd64c8e56e614cb5
MD5 hash: 6475f71200c3eeb18953d76916fa2705
humanhash: arizona-aspen-september-magazine
File name:rApprovedbonuses.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:736'488 bytes
First seen:2026-04-15 22:00:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0293eec0b5432ad092f24065016203b2 (22 x GuLoader, 18 x RemcosRAT, 6 x Formbook)
ssdeep 6144:qj110S5YN3MrpT3Unhgxqhxw3LcNAVa9JiEBKHH988qShTK1OellbhcHl/gwYRFs:DSW9MrpT34uxqhxw3LK1I9SllaHloDR6
TLSH T1CEF44B517670E3AEF6761639B4CAC22D64547C30AE06038FF1B07EA817B2EAC5F86351
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon d4d878787024d0c0 (8 x RemcosRAT, 1 x GuLoader)
Reporter FXOLabs
Tags:exe RemcosRAT signed

Code Signing Certificate

Organisation:Niendes
Issuer:Niendes
Algorithm:sha256WithRSAEncryption
Valid from:2026-03-03T07:43:19Z
Valid to:2027-03-03T07:43:19Z
Serial number: 6aee18e2f2b92c810daf7973abd8eac4a5f52cde
Thumbprint Algorithm:SHA256
Thumbprint: e15313a7c62a5524e2744f40f6652cf8917f3da375d844ea0ef7d34772ff120b
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
163
Origin country :
BR BR
Vendor Threat Intelligence
Malware configuration found for:
NSIS
Details
Link:
https://research.acce.ciphertechsolutions.com/results/eeb1dd86-aa46-42cf-b88e-8078da940814/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
rApprovedbonuses.exe
Verdict:
Malicious activity
Analysis date:
2026-04-15 22:03:18 UTC
Tags:
rat remcos auto-reg remote stealer
Link:
https://app.any.run/tasks/0209d663-0d3a-4bbc-8dce-73155a489de0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/61803/
Verdict:
Clean
Score:
N/A%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69e00ab4f68adfe1003a389b
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file
Delayed reading of the file
Sending a custom TCP request
Gathering data
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/5646873f89e3468c306385ef3d65b7daf63aeee4128553c3224c75cb0e6902ca
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-15T18:16:00Z UTC
Last seen:
2026-04-17T20:23:00Z UTC
Hits:
~10000
Detections:
Trojan.NSIS.Makoob.sbd Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba VHO:Backdoor.Win32.Remcos.gen Trojan-Downloader.Win32.Minix.sb HEUR:Trojan.Win32.Makoob.gen HEUR:Trojan.NSIS.GuLoader.gen Trojan.NSIS.Makoob.sbe
Link:
https://opentip.kaspersky.com/5646873f89e3468c306385ef3d65b7daf63aeee4128553c3224c75cb0e6902ca/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/a188ecd3-633f-4c0a-bc35-ef8be1a3edac
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5646873f89e3468c306385ef3d65b7daf63aeee4128553c3224c75cb0e6902ca
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5646873f89e3468c306385ef3d65b7daf63aeee4128553c3224c75cb0e6902ca/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/5646873f89e3468c306385ef3d65b7daf63aeee4128553c3224c75cb0e6902ca
Threat name:
Win32.Trojan.Makoob
Create hunting rule
Status:
Malicious
First seen:
2026-04-15 22:01:29 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kzdiop4j4ndiymddqxxt2znx3l3dv3xeckcvhqzcjr24wdtjalfa._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery installer persistence rat spyware stealer
Link:
https://tria.ge/reports/260415-1xbdzaay6j/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks installed software on the system
Contacts third-party web service commonly abused for C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Family: Remcos
Malware Config
C2 Extraction:
192.227.135.240:3000
Unpacked files
SH256 hash:
5646873f89e3468c306385ef3d65b7daf63aeee4128553c3224c75cb0e6902ca
MD5 hash:
6475f71200c3eeb18953d76916fa2705
SHA1 hash:
116cbb6f735fcb30c00856b5dd64c8e56e614cb5
Link:
https://www.unpac.me/results/c0b72a15-f7a3-4e5b-8023-51b25951b134/
SH256 hash:
014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
MD5 hash:
12b140583e3273ee1f65016becea58c4
SHA1 hash:
92df24d11797fefd2e1f8d29be9dfd67c56c1ada
Link:
https://www.unpac.me/results/c0b72a15-f7a3-4e5b-8023-51b25951b134/
SH256 hash:
b2699fdfdab6a018fcc972806d12f71972de1861660bb6578935d62b1da06504
MD5 hash:
3cea4c9994912d8f3c3e8b6a814e810e
SHA1 hash:
c48d34a0981d4ab576c7a3ab566f5ddb94af5d86
Link:
https://www.unpac.me/results/c0b72a15-f7a3-4e5b-8023-51b25951b134/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.37
Link:
https://yomi.yoroi.company/submissions/5646873f89e3468c306385ef3d65b7daf63aeee4128553c3224c75cb0e6902ca

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe 5646873f89e3468c306385ef3d65b7daf63aeee4128553c3224c75cb0e6902ca

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/61803/

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