MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed3ea3727b6cbd1a9d61ada18691a1f818684cfe6176d7ec169382d3ba291669. 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: 13


Intelligence 13 IOCs YARA 16 File information Comments

SHA256 hash: ed3ea3727b6cbd1a9d61ada18691a1f818684cfe6176d7ec169382d3ba291669
SHA3-384 hash: bebdf1af006d9fb0b335e9e1d8c62392f70b7ea844b3acdb54b940c229a3d5bb2baea37ccf893eb6aebcb83812d96cf1
SHA1 hash: c67314c00255b27e4bdd0b8727966e48889bf7a3
MD5 hash: 074f720c65e427d322358a229de314c8
humanhash: potato-sad-video-east
File name:Bank Central Asia _Salinan Pembayaran.pdf.bat
Download: download sample
Signature RemcosRAT
File size:4'371'536 bytes
First seen:2025-05-26 07:30:54 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 49152:6Xqx+/WqoupJdmcExtp9QFbGirm7cFC80bb0pZYm99ToTq:Y
Threatray 4'121 similar samples on MalwareBazaar
TLSH T191163341AB397C7F0EB8933830AF5F4D2A54AFD4889DB4E543E538C3219EE82285B575
Magika batch
Reporter smica83
Tags:185-241-208-118 bat RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
100
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bank Central Asia _Salinan Pembayaran.pdf.bat
Verdict:
Malicious activity
Analysis date:
2025-05-26 07:33:19 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
shell spawn sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file in the %temp% directory
Сreating synchronization primitives
Searching for the window
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
Remcos, ResolverRAT
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Found large BAT file
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Powershell is started from unusual location (likely to bypass HIPS)
Reads the Security eventlog
Reads the System eventlog
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses attrib.exe to hide files
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected ResolverRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1699071 Sample: Bank Central Asia _Salinan ... Startdate: 26/05/2025 Architecture: WINDOWS Score: 100 27 geoplugin.net 2->27 33 Suricata IDS alerts for network traffic 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 12 other signatures 2->39 8 cmd.exe 1 2->8         started        signatures3 process4 signatures5 49 Uses attrib.exe to hide files 8->49 11 Bank Central Asia _Salinan Pembayaran.pdf.bat.Ssr 17 8->11         started        14 xcopy.exe 2 8->14         started        17 conhost.exe 8->17         started        19 3 other processes 8->19 process6 file7 51 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->51 53 Writes to foreign memory regions 11->53 55 Powershell is started from unusual location (likely to bypass HIPS) 11->55 57 3 other signatures 11->57 21 InstallUtil.exe 2 13 11->21         started        25 Bank Central Asia ...bayaran.pdf.bat.Ssr, PE32 14->25 dropped signatures8 process9 dnsIp10 29 185.241.208.118, 49713, 9683 GBTCLOUDUS Moldova Republic of 21->29 31 geoplugin.net 178.237.33.50, 49716, 80 ATOM86-ASATOM86NL Netherlands 21->31 41 Detected Remcos RAT 21->41 43 Contains functionalty to change the wallpaper 21->43 45 Contains functionality to steal Chrome passwords or cookies 21->45 47 3 other signatures 21->47 signatures11
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-05-26 04:57:25 UTC
File Type:
Text (PowerShell)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost defense_evasion discovery rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Sets file to hidden
Remcos
Remcos family
Malware Config
C2 Extraction:
185.241.208.118:9683
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:BlackGuard_Rule
Author:Jiho Kim
Description:Yara rule for BlackGuarad Stealer v1.0 - v3.0
Reference:https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Author:Matthew @ Embee_Research

File information


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

Comments