MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7b336ac707a02409eeede986df2753eed36af85ac0b52dfe1d6b564c30a2ae2. 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: 19


Intelligence 19 IOCs YARA 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7b336ac707a02409eeede986df2753eed36af85ac0b52dfe1d6b564c30a2ae2
SHA3-384 hash: 90e38505ebff5a1c6df931ecf78b1b53e4715be3b5d845c09b3ff3889d61eed2f1e345386f1762966ab84d982e3c0544
SHA1 hash: 13346d1c563655609905079079a7a18836416f34
MD5 hash: dbb42d91f214e9c00cf0fa9d735bad39
humanhash: summer-twelve-tennessee-uniform
File name:20260227150340_mutacion3_c3cde5.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:657'920 bytes
First seen:2026-02-27 20:37:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9f4693fc0c511135129493f2161d1e86 (253 x Neshta, 15 x Formbook, 14 x AgentTesla)
ssdeep 12288:M7scoHvln/+iB9PQoYYUPGmdou5usyWVaMwmB:xcoHvln/+aPQoYDPGmd35oj7mB
TLSH T15EE47D95A3D441F4D077C238C9828537E6B2BC056570462F03EB5E5B6F237A29F2EB26
TrID 84.0% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
4.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.1% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
2.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
2.0% (.EXE) Win64 Executable (generic) (6522/11/2)
Magika pebin
Reporter BastianHein
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
141
Origin country :
CL CL
Vendor Threat Intelligence
Malware configuration found for:
Neshta Remcos
Details
Neshta
an extracted component and decrypted strings
Remcos
a version number and verbose configuration settings
Link:
https://research.acce.ciphertechsolutions.com/results/e31f883d-42c0-4500-ba95-15e9456c4a05/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
b7b336ac707a02409eeede986df2753eed36af85ac0b52dfe1d6b564c30a2ae2.exe
Verdict:
Malicious activity
Analysis date:
2026-02-27 20:24:59 UTC
Tags:
remcos rat neshta
Link:
https://app.any.run/tasks/cb2ef368-3d14-46ba-b5a9-4ec7ca65089d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Neshta
Create hunting rule
Link:
https://www.capesandbox.com/analysis/54932/
Detection(s):
Win.Trojan.Neshuta-1
Create hunting rule

Win.Virus.Neshta-7101689-0
Create hunting rule

Win.Trojan.Remcos-9841897-0
Create hunting rule

Win.Trojan.Remcos-10002580-0
Create hunting rule

Win.Trojan.Neshta-160
Create hunting rule

Win.Trojan.Neshta-153
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69a1fd9ac950ab5d9ab23d4b
Tags:
downloader dropper neshta virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
borland_delphi cmd evasive exploit exploit explorer fingerprint lolbin neshta overlay packed packed rat rat remcos remcos rundll32 virus windows
Link:
https://www.filescan.io/uploads/69a200b297feb4afd6602a5b/reports/6811c875-e7a0-40b9-871f-74caed0b9cd3/overview
Verdict:
Malicious
Labled as:
Neshta.A
Link:
https://www.hybrid-analysis.com/sample/b7b336ac707a02409eeede986df2753eed36af85ac0b52dfe1d6b564c30a2ae2
Verdict:
Malicious
File Type:
exe x32
Detections:
Trojan.Win32.Gorgon.sb Trojan-Spy.Win32.Xegumumune.sbc PDM:Trojan.Win32.Generic Virus.Win32.Neshta.a Trojan-Spy.Win32.Stealer.sb HEUR:Worm.Win32.Generic Backdoor.Win32.Remcos.sb Backdoor.Win32.Remcos.e Backdoor.Win32.Remcos.aayz Trojan-PSW.Win32.Stealer.sb
Link:
https://opentip.kaspersky.com/b7b336ac707a02409eeede986df2753eed36af85ac0b52dfe1d6b564c30a2ae2/results?tab=lookup
Malware family:
Neshta
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/10903c22-f715-4a28-b90e-debc39877bff
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b7b336ac707a02409eeede986df2753eed36af85ac0b52dfe1d6b564c30a2ae2
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7b336ac707a02409eeede986df2753eed36af85ac0b52dfe1d6b564c30a2ae2/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/b7b336ac707a02409eeede986df2753eed36af85ac0b52dfe1d6b564c30a2ae2
Threat name:
Win32.Virus.Neshta
Create hunting rule
Status:
Malicious
First seen:
2026-02-27 18:10:52 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w6ztnldqpibebhxo32mg34tvh3wtnl4fvqfvfx7b222wjqykflra._file
Verdict:
malicious
Label(s):
neshta
Create hunting rule
remcos
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:neshta family:remcos discovery persistence spyware stealer
Link:
https://tria.ge/reports/260227-zes1mafx3g/
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Modifies system executable filetype association
Reads user/profile data of web browsers
Detect Neshta payload
Neshta
Neshta family
Unpacked files
SH256 hash:
b7b336ac707a02409eeede986df2753eed36af85ac0b52dfe1d6b564c30a2ae2
MD5 hash:
dbb42d91f214e9c00cf0fa9d735bad39
SHA1 hash:
13346d1c563655609905079079a7a18836416f34
Detections:
win_remcos_w0
Create hunting rule
win_neshta_g0
Create hunting rule
Neshta
Create hunting rule
Remcos
Create hunting rule
Link:
https://www.unpac.me/results/ae76a405-df3e-4c4d-829c-d4e5181760c4/
Malware family:
Neshta
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b7b336ac707a/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/b7b336ac707a02409eeede986df2753eed36af85ac0b52dfe1d6b564c30a2ae2

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:Borland
Create hunting rule
Author:malware-lu
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:EXE_Virus_Neshta_March2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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:MALWARE_Win_Neshta
Create hunting rule
Author:ditekSHen
Description:Detects Neshta
Rule name:MAL_Malware_Imphash_Mar23_1
Create hunting rule
Author:Arnim Rupp
Description:Detects malware by known bad imphash or rich_pe_header_hash
Reference:https://yaraify.abuse.ch/statistics/
Rule name:MAL_Neshta_Generic
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Neshta malware
Reference:Internal Research
Rule name:MAL_Neshta_Generic_RID2DC9
Create hunting rule
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research
Rule name:neshta_v1
Create hunting rule
Author:RandomMalware
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(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_921ef449
Create hunting rule
Author:Elastic Security
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:Windows_Virus_Neshta_2a5a14c8
Create hunting rule
Author:Elastic Security
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.

Cape
Cape
https://www.capesandbox.com/analysis/54932/

Comments