MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45a2f3ef4e482129bcb6d5fce3e4dafd084a48491bf86039378220cbaaaf895d. 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: 12


Intelligence 12 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 45a2f3ef4e482129bcb6d5fce3e4dafd084a48491bf86039378220cbaaaf895d
SHA3-384 hash: 204ead4250ff4e8576cb23e0cb8dbf497cf2abae37e68d5737e54fb18e9a1e4943b1503481dcda57621ae2ff3d326841
SHA1 hash: 3e14f125831ed93d6f9fa503d4dd48707162168f
MD5 hash: d403366a54fa7339381f25f623963cd7
humanhash: william-alaska-wolfram-mobile
File name:45a2f3ef4e482129bcb6d5fce3e4dafd084a48491bf86039378220cbaaaf895d.cmd
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:4'696'953 bytes
First seen:2025-03-05 09:36:01 UTC
Last seen:Never
File type:cmd cmd
MIME type:text/x-msdos-batch
ssdeep 49152:3vPkbCQmZOyjazn8TUKqkyMRua5LjIZLARdB7lfBDlsF9n8zLAtAiSdDxuUs8+ZG:X
TLSH T17026F9A33EEE268617053BAFA74FB5480B1BEC250FD36ED440C709D8540F65B2994DAE
Magika batch
Reporter JAMESWT_WT
Tags:baddieszn-duckdns-org bahadii-duckdns-org cmd RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
IT IT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c81c37c8d04e92a4bf0c5a
Tags:
delphi virus shell sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
batch extrac32 lolbin
Link:
https://www.filescan.io/uploads/67c81b163c5f644bd943d29b/reports/e3767706-905b-4fda-938a-548f6ff66201/overview
Verdict:
Malicious
Labled as:
Trojan.Script.Generic
Link:
https://www.hybrid-analysis.com/sample/45a2f3ef4e482129bcb6d5fce3e4dafd084a48491bf86039378220cbaaaf895d
Result
Verdict:
SUSPICIOUS
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
rans.phis.bank.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1629953
Signature
Allocates many large memory junks
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to inject code into remote processes
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
Detected Remcos RAT
Drops or copies certutil.exe with a different name (likely to bypass HIPS)
Drops or copies cmd.exe with a different name (likely to bypass HIPS)
Drops PE files to the user root directory
Drops PE files with a suspicious file extension
Early bird code injection technique detected
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Registers a new ROOT certificate
Sample uses process hollowing technique
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Execution from Suspicious Folder
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Parent in Public Folder Suspicious Process
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1629953 Sample: l6jBvMfSMP.cmd Startdate: 05/03/2025 Architecture: WINDOWS Score: 100 88 unforseen.duckdns.org 2->88 90 conquer25.duckdns.org 2->90 92 5 other IPs or domains 2->92 116 Suricata IDS alerts for network traffic 2->116 118 Found malware configuration 2->118 120 Malicious sample detected (through community Yara rule) 2->120 124 14 other signatures 2->124 10 cmd.exe 1 2->10         started        12 Piacfzmu.PIF 2->12         started        15 Piacfzmu.PIF 2->15         started        signatures3 122 Uses dynamic DNS services 90->122 process4 signatures5 17 rdha.pif 1 10->17         started        19 alpha.pif 1 10->19         started        22 expha.pif 1 10->22         started        29 7 other processes 10->29 158 Antivirus detection for dropped file 12->158 160 Multi AV Scanner detection for dropped file 12->160 162 Early bird code injection technique detected 12->162 25 colorcpl.exe 12->25         started        164 Allocates memory in foreign processes 15->164 166 Allocates many large memory junks 15->166 27 SndVol.exe 15->27         started        process6 file7 31 ANYDESK.PIF 1 7 17->31         started        126 Uses ping.exe to sleep 19->126 128 Uses ping.exe to check the status of other devices and networks 19->128 35 ghf.pif 3 2 19->35         started        68 C:\Users\Public\alpha.pif, PE32+ 22->68 dropped 130 Drops PE files to the user root directory 22->130 132 Drops PE files with a suspicious file extension 22->132 134 Drops or copies certutil.exe with a different name (likely to bypass HIPS) 22->134 136 Drops or copies cmd.exe with a different name (likely to bypass HIPS) 22->136 138 Detected Remcos RAT 25->138 70 C:\Users\Public\rdha.pif, PE32+ 29->70 dropped 72 C:\Users\Public\ghf.pif, PE32+ 29->72 dropped 74 C:\Users\Public\expha.pif, PE32+ 29->74 dropped 37 PING.EXE 1 29->37         started        40 ghf.pif 2 29->40         started        signatures8 process9 dnsIp10 78 C:\Windows \SysWOW64\svchost.pif, PE32+ 31->78 dropped 80 C:\Windows \SysWOW6480ETUTILS.dll, PE32+ 31->80 dropped 82 C:\Users\Public\Libraries\Piacfzmu.PIF, PE32 31->82 dropped 86 2 other malicious files 31->86 dropped 102 Antivirus detection for dropped file 31->102 104 Multi AV Scanner detection for dropped file 31->104 106 Early bird code injection technique detected 31->106 114 4 other signatures 31->114 42 SndVol.exe 4 14 31->42         started        46 cmd.exe 1 31->46         started        48 cmd.exe 3 31->48         started        50 BackgroundTransferHost.exe 31->50         started        108 Registers a new ROOT certificate 35->108 110 Drops PE files to the user root directory 35->110 112 Drops PE files with a suspicious file extension 35->112 94 127.0.0.1 unknown unknown 37->94 84 C:\Users\Public\ANYDESK.PIF, PE32 40->84 dropped file11 signatures12 process13 dnsIp14 96 baddieszn.duckdns.org 193.9.36.1, 2404, 2500, 49733 NETXNetXNetworksasCZ Czech Republic 42->96 98 unforseen.duckdns.org 194.59.31.40, 2404, 49845, 49852 COMBAHTONcombahtonGmbHDE Germany 42->98 100 geoplugin.net 178.237.33.50, 49858, 80 ATOM86-ASATOM86NL Netherlands 42->100 150 Contains functionality to bypass UAC (CMSTPLUA) 42->150 152 Detected Remcos RAT 42->152 154 Contains functionalty to change the wallpaper 42->154 156 7 other signatures 42->156 52 recover.exe 42->52         started        55 recover.exe 42->55         started        57 recover.exe 42->57         started        59 extrac32.exe 1 46->59         started        62 conhost.exe 46->62         started        64 ndpha.pif 46->64         started        66 conhost.exe 48->66         started        signatures15 process16 file17 140 Tries to steal Instant Messenger accounts or passwords 52->140 142 Tries to steal Mail credentials (via file / registry access) 52->142 144 Tries to harvest and steal browser information (history, passwords, etc) 55->144 76 C:\Users\Public\ndpha.pif, PE32 59->76 dropped 146 Drops PE files to the user root directory 59->146 148 Drops PE files with a suspicious file extension 59->148 signatures18
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/45a2f3ef4e482129bcb6d5fce3e4dafd084a48491bf86039378220cbaaaf895d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/45a2f3ef4e482129bcb6d5fce3e4dafd084a48491bf86039378220cbaaaf895d/
Threat name:
Script-BAT.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-02-26 23:35:05 UTC
File Type:
Text
Extracted files:
1
AV detection:
12 of 24 (50.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iwrph32ojaqstpfw2x6ohzg27ueeuscjdp4gaojxqiqmxkvprfoq._file
Verdict:
malicious
Label(s):
dbatloader
Create hunting rule
remcos
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:we go again collection discovery persistence rat trojan
Link:
https://tria.ge/reports/250305-lk1qrsvrx7/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detected Nirsoft tools
ModiLoader Second Stage
NirSoft MailPassView
NirSoft WebBrowserPassView
ModiLoader, DBatLoader
Modiloader family
Remcos
Remcos family
Malware Config
C2 Extraction:
baddieszn.duckdns.org:5200
bahadii.duckdns.org:2500
conquer25.duckdns.org:2404
unforseen.duckdns.org:2404
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/45a2f3ef4e482129bcb6d5fce3e4dafd084a48491bf86039378220cbaaaf895d

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:BAT_DbatLoader
Create hunting rule
Author:NDA0E
Description:Detects base64 and hex encoded MZ header used by DbatLoader
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:dbatloader_bat_v2
Create hunting rule
Author:RandomMalware
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:pe_detect_tls_callbacks
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: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.

Comments