MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e19ec7bcc1a7e0bd92b96d4fbab1c65e650e3645611710661e5bc401242df9f5. 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 30 File information Comments

SHA256 hash: e19ec7bcc1a7e0bd92b96d4fbab1c65e650e3645611710661e5bc401242df9f5
SHA3-384 hash: 785e1881165f7605ce6b0a8a9efb900ada97c4e77d1b2a430895b0bf6b763053d920159cb0fdb6fd3eaa125b984b0808
SHA1 hash: 2e8c3e6b64bf8b4953310352f81a41fbef95ad4d
MD5 hash: e296c22d383e4283bc790e63eab3c98c
humanhash: enemy-nevada-blue-maryland
File name:PO#250059712.bat
Download: download sample
Signature RemcosRAT
File size:726'564 bytes
First seen:2025-03-14 00:45:24 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 12288:FsvHfM29/pWPSex31f8I/lZ+bkYb32ZKE8Uh5o1Np/wkQmjkhZKdQ2qWe:+/pmSebEOOxb3aKlGoTp/TQDZKdQZWe
Threatray 1'084 similar samples on MalwareBazaar
TLSH T12AF4127DDBF4DCE8035F71E9102F3B0C606C0BD3DAB05B6CE9D544A56A296888B3A589
Magika vba
Reporter abuse_ch
Tags:bat RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
176.65.142.140:3990

Intelligence


File Origin
# of uploads :
1
# of downloads :
205
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
PO#250059712.bat
Verdict:
Malicious activity
Analysis date:
2025-03-14 02:14:06 UTC
Tags:
rat remcos susp-powershell stealer autorun-startup mpress

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
autorun remcos
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
obfuscated
Result
Verdict:
MALICIOUS
Details
Base64 Encoded Powershell Directives
Detected one or more base64 encoded Powershell directives.
Result
Threat name:
Batch Injector, Remcos
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains a sample name check
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Installs a global keyboard hook
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 submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Drops script at startup location
Sigma detected: Malicious Base64 Encoded PowerShell Keywords in Command Lines
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Invoke Keyword
Sigma detected: Suspicious PowerShell Parameter Substring
Suricata IDS alerts for network traffic
Suspicious powershell command line found
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)
Tries to steal Mail credentials (via file registry)
Uses dynamic DNS services
Yara detected Batch Injector
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1637977 Sample: PO#250059712.bat Startdate: 14/03/2025 Architecture: WINDOWS Score: 100 71 sarok7lmoutsg1.duckdns.org 2->71 73 geoplugin.net 2->73 81 Suricata IDS alerts for network traffic 2->81 83 Found malware configuration 2->83 85 Malicious sample detected (through community Yara rule) 2->85 89 17 other signatures 2->89 9 cmd.exe 1 2->9         started        12 cmd.exe 1 2->12         started        14 cmd.exe 1 2->14         started        16 16 other processes 2->16 signatures3 87 Uses dynamic DNS services 71->87 process4 signatures5 97 Suspicious powershell command line found 9->97 99 Bypasses PowerShell execution policy 9->99 18 cmd.exe 3 9->18         started        21 conhost.exe 9->21         started        23 cmd.exe 2 12->23         started        25 conhost.exe 12->25         started        27 cmd.exe 2 14->27         started        29 conhost.exe 14->29         started        31 cmd.exe 16->31         started        33 cmd.exe 16->33         started        35 30 other processes 16->35 process6 signatures7 79 Suspicious powershell command line found 18->79 37 powershell.exe 4 34 18->37         started        42 conhost.exe 18->42         started        44 powershell.exe 19 23->44         started        46 conhost.exe 23->46         started        48 conhost.exe 27->48         started        50 powershell.exe 27->50         started        52 2 other processes 31->52 54 2 other processes 33->54 56 28 other processes 35->56 process8 dnsIp9 75 sarok7lmoutsg1.duckdns.org 176.65.142.140, 3990, 49685, 49689 WEBTRAFFICDE Germany 37->75 77 geoplugin.net 178.237.33.50, 49690, 80 ATOM86-ASATOM86NL Netherlands 37->77 67 C:\Users\user\AppData\Roaming\kalmzots.dat, data 37->67 dropped 69 C:\Users\user\...\StartupScript_defe635e.cmd, ASCII 37->69 dropped 91 Maps a DLL or memory area into another process 37->91 93 Found suspicious powershell code related to unpacking or dynamic code loading 37->93 95 Installs a global keyboard hook 37->95 58 recover.exe 14 37->58         started        61 recover.exe 1 37->61         started        63 recover.exe 1 37->63         started        65 recover.exe 37->65         started        file10 signatures11 process12 signatures13 101 Tries to steal Mail credentials (via file registry) 58->101 103 Tries to harvest and steal browser information (history, passwords, etc) 58->103 105 Tries to steal Instant Messenger accounts or passwords 61->105 107 Tries to steal Mail credentials (via file / registry access) 63->107
Result
Malware family:
n/a
Score:
  9/10
Tags:
collection discovery execution
Behaviour
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Drops startup file
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
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:Base64_Encoded_Powershell_Directives
Rule name:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:nirsoft_v1
Author:RandomMalware
Rule name:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Remcos_unpacked_PulseIntel
Author:PulseIntel
Description:Remcos Payload
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:TeslaCryptPackedMalware
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.

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