MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27d93c5771abbfc8c331714dafe3ef8176fa4c5a408641d648b0421ffb5f8535. 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: 14


Intelligence 14 IOCs 1 YARA 33 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 27d93c5771abbfc8c331714dafe3ef8176fa4c5a408641d648b0421ffb5f8535
SHA3-384 hash: da4adf7c8d921d4dc9fdb5934d74e1843e36e8565522d27c59f465e21ac62505c2357f3a66ecb5357ef0958120135757
SHA1 hash: 69430f01df2c9922f333459d83686abd8853868b
MD5 hash: f22fe881a805fee1388d974a4b4ae7d8
humanhash: east-vermont-snake-pluto
File name:FH98767890000.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:772'353 bytes
First seen:2025-07-13 06:10:07 UTC
Last seen:2025-07-14 07:49:12 UTC
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 12288:ZMhlFByF5Ws80AZIFzqVE9Xk4ZX8Y/2TMMTf5z+IpOZbso72uk+Ps3J2q8H3CHdS:6yW0qaXk++TVfMuOAWkR3JhamUP
Threatray 4'124 similar samples on MalwareBazaar
TLSH T11AF4E07DCEF1ACD4037A31D05A6E3F0A119C4BD3B67A9B2CFAD544E61859642EF36208
Magika vba
Reporter abuse_ch
Tags:bat RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
198.12.126.169:4445

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
198.12.126.169:4445 https://threatfox.abuse.ch/ioc/1556353/

Intelligence

File Origin
# of uploads :
2
# of downloads :
41
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FH98767890000.bat
Verdict:
No threats detected
Analysis date:
2025-07-13 06:13:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a0fc9051-579f-457e-a2e2-68148f0ac11a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/14068/
Detection(s):
SecuriteInfo.com.BAT.Obfus-5.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68734dc8c9eb97473768a728
Tags:
autorun crypted sage remo
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 evasive obfuscated powershell
Link:
https://www.filescan.io/uploads/68734dcc425a30d7acd84bd6/reports/2432f709-fc39-4494-8ce1-9315be74ce94/overview
Verdict:
Suspicious
Labled as:
BAT/Agent.BCH
Link:
https://www.hybrid-analysis.com/sample/27d93c5771abbfc8c331714dafe3ef8176fa4c5a408641d648b0421ffb5f8535
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1735129
Signature
.NET source code contains a sample name check
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Drops script or batch files to the startup folder
Found malware configuration
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Drops script at startup location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735129 Sample: FH98767890000.bat Startdate: 13/07/2025 Architecture: WINDOWS Score: 100 132 geoplugin.net 2->132 138 Suricata IDS alerts for network traffic 2->138 140 Found malware configuration 2->140 142 Malicious sample detected (through community Yara rule) 2->142 144 13 other signatures 2->144 10 cmd.exe 1 2->10         started        13 cmd.exe 1 2->13         started        15 cmd.exe 1 2->15         started        17 12 other processes 2->17 signatures3 process4 signatures5 156 Suspicious powershell command line found 10->156 19 cmd.exe 3 10->19         started        22 conhost.exe 10->22         started        24 cmd.exe 2 13->24         started        26 conhost.exe 13->26         started        28 cmd.exe 2 15->28         started        30 conhost.exe 15->30         started        32 cmd.exe 17->32         started        34 cmd.exe 17->34         started        36 22 other processes 17->36 process6 signatures7 146 Suspicious powershell command line found 19->146 38 powershell.exe 2 43 19->38         started        43 conhost.exe 19->43         started        45 powershell.exe 24->45         started        47 conhost.exe 24->47         started        49 powershell.exe 28->49         started        51 conhost.exe 28->51         started        53 2 other processes 32->53 55 2 other processes 34->55 57 20 other processes 36->57 process8 dnsIp9 134 198.12.126.169, 4445, 49719 AS-COLOCROSSINGUS United States 38->134 136 geoplugin.net 178.237.33.50, 49720, 80 ATOM86-ASATOM86NL Netherlands 38->136 96 C:\Users\user\AppData\Roaming\...\f90e.bat, ASCII 38->96 dropped 110 2 other malicious files 38->110 dropped 148 Detected Remcos RAT 38->148 150 Suspicious powershell command line found 38->150 152 Drops script or batch files to the startup folder 38->152 154 Installs a global keyboard hook 38->154 59 csc.exe 3 38->59         started        98 C:\Users\user\AppData\Roaming\...\0534.bat, ASCII 45->98 dropped 62 csc.exe 3 45->62         started        100 C:\Users\user\AppData\Roaming\...\0a30.bat, ASCII 49->100 dropped 64 csc.exe 3 49->64         started        102 C:\Users\user\AppData\Roaming\...\b6fa.bat, ASCII 53->102 dropped 66 csc.exe 53->66         started        104 C:\Users\user\AppData\Roaming\...\cbf9.bat, ASCII 55->104 dropped 68 csc.exe 55->68         started        106 C:\Users\user\AppData\Roaming\...\da2a.bat, ASCII 57->106 dropped 108 C:\Users\user\AppData\Roaming\...\c741.bat, ASCII 57->108 dropped 112 7 other malicious files 57->112 dropped 70 csc.exe 57->70         started        72 csc.exe 57->72         started        74 csc.exe 57->74         started        76 7 other processes 57->76 file10 signatures11 process12 file13 114 C:\Users\user\AppData\Local\...\uj5dt5wb.dll, PE32 59->114 dropped 78 cvtres.exe 1 59->78         started        116 C:\Users\user\AppData\Local\...\yg3c0x2y.dll, PE32 62->116 dropped 80 cvtres.exe 1 62->80         started        118 C:\Users\user\AppData\Local\...\mcsnmbkl.dll, PE32 64->118 dropped 82 cvtres.exe 1 64->82         started        120 C:\Users\user\AppData\Local\...\1v3txfev.dll, PE32 66->120 dropped 84 cvtres.exe 66->84         started        122 C:\Users\user\AppData\Local\...\tiu1r2ue.dll, PE32 68->122 dropped 86 cvtres.exe 68->86         started        124 C:\Users\user\AppData\Local\...\m43q24pk.dll, PE32 70->124 dropped 88 cvtres.exe 70->88         started        126 C:\Users\user\AppData\Local\...\n3c1h5th.dll, PE32 72->126 dropped 90 cvtres.exe 72->90         started        128 C:\Users\user\AppData\Local\...\03a3ylcu.dll, PE32 74->128 dropped 92 cvtres.exe 74->92         started        130 7 other files (none is malicious) 76->130 dropped 94 7 other processes 76->94 process14
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/27d93c5771abbfc8c331714dafe3ef8176fa4c5a408641d648b0421ffb5f8535
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/27d93c5771abbfc8c331714dafe3ef8176fa4c5a408641d648b0421ffb5f8535/
Verdict:
Malicious
Link:
https://tip.neiki.dev/file/27d93c5771abbfc8c331714dafe3ef8176fa4c5a408641d648b0421ffb5f8535
Threat name:
Script-BAT.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-07-13 06:10:14 UTC
File Type:
Text
AV detection:
11 of 24 (45.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e7mtyv3rvo74rqzrofg27y7pqf3putc2icdedvsiwbbb7627qu2q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
donut_injector
Create hunting rule
Similar samples:
14b752f175fc8348815ba40afb7f48e6904300d02f521adc0c523a83ca787115
RemcosRAT
150adfe834b0509c5fa6f96048215cb69a9810d5ab2157aea11f72c6d9221e68
RemcosRAT
754da186c4e37abfd6f3a1c6108f567f4c05dd1082a8b139ec7745b108c377b8
RemcosRAT
ac4e313d582ab153491aa677a62883b70a2e8a907a009ace26e906712dda5e97
RemcosRAT
b254541038b979c1c21f489e21bc15f594492aff656bc908aa54033bafb05775
RemcosRAT
c5669d80feebd4e30450274673c686811134d9d6893166b05524a9d7aa9e315e
RemcosRAT
c7e7f3d4a0178d523a0e91e081878146f35eb074bb15239bf3e1cdc9f4f6de38
RemcosRAT
error
RemcosRAT
+ 4'114 additional samples on MalwareBazaar
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:donutloader discovery execution loader
Link:
https://tria.ge/reports/250713-gw6zpsxzhz/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Command and Scripting Interpreter: PowerShell
Drops startup file
Blocklisted process makes network request
Detects DonutLoader
DonutLoader
Donutloader family
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/27d93c5771abbfc8c331714dafe3ef8176fa4c5a408641d648b0421ffb5f8535

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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: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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:nirsoft_v1
Create hunting rule
Author:RandomMalware
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked remcos malware samples.
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SUSP_PS1_JAB_Pattern_Jun22_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious UTF16 and Base64 encoded PowerShell code that starts with a $ sign and a single char variable
Reference:Internal Research
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: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:TeslaCryptPackedMalware
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.

Cape
Cape
https://www.capesandbox.com/analysis/14068/

Comments