MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad5e18d32f403ca4871f3d4b222c84821a6b6ba74ec858cc99eb00c66bb6bddb. 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: 16


Intelligence 16 IOCs YARA 12 File information Comments

SHA256 hash: ad5e18d32f403ca4871f3d4b222c84821a6b6ba74ec858cc99eb00c66bb6bddb
SHA3-384 hash: 34795cb29fa5ce32d1676ae8282154bac25c6ff68cc075ebb56dddd64c20ca03a5d9a09c0ffe064b1f4ee5299d6972b7
SHA1 hash: f2c33a8b082cc91220c92c41badc7eb859ca8d3e
MD5 hash: 124920b9252088f6e020909d8189bedb
humanhash: south-undress-pip-avocado
File name:Company Request7838787.exe
Download: download sample
Signature RemcosRAT
File size:1'158'144 bytes
First seen:2023-07-11 15:15:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4b054c4f1ece84b514fd3ca959964ba6 (2 x RemcosRAT, 1 x ModiLoader, 1 x Formbook)
ssdeep 12288:6jPvA1qLETL9Vu4StmmYLz11DFJ72LkzLS5T5ZG9yuT7CcnhlOd0QAl9ChIhJf/V:6jPvNLAgChLURZa3T7CcHTf+pbZpbIG
Threatray 2'230 similar samples on MalwareBazaar
TLSH T11A35BFEAB1815837D4566B388D2763A45836BD123F3898C57BF93D2C8F397817A36243
TrID 75.9% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
12.4% (.EXE) InstallShield setup (43053/19/16)
4.1% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.7% (.SCR) Windows screen saver (13097/50/3)
1.3% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 74ecd4d2c4d4d0ac (2 x RemcosRAT, 1 x ModiLoader, 1 x Formbook)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
185.29.11.109:2404

Intelligence


File Origin
# of uploads :
1
# of downloads :
323
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Company Request7838787.exe
Verdict:
Malicious activity
Analysis date:
2023-07-11 15:17:44 UTC
Tags:
installer rat remcos keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Searching for the window
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control keylogger lolbin packed remcos replace
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
DBatLoader, Remcos
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Suspicious powershell command line found
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1271033 Sample: Company_Request7838787.exe Startdate: 11/07/2023 Architecture: WINDOWS Score: 100 81 Snort IDS alert for network traffic 2->81 83 Found malware configuration 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 8 other signatures 2->87 10 Company_Request7838787.exe 1 7 2->10         started        15 Haolfkli.bat 2->15         started        17 Haolfkli.bat 2->17         started        process3 dnsIp4 65 web.fe.1drv.com 10->65 67 onedrive.live.com 10->67 73 2 other IPs or domains 10->73 53 C:\Users\Public\Libraries\netutils.dll, PE32+ 10->53 dropped 55 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 10->55 dropped 57 C:\Users\Public\Libraries\Haolfkli.bat, PE32 10->57 dropped 101 Writes to foreign memory regions 10->101 103 Allocates memory in foreign processes 10->103 105 Creates a thread in another existing process (thread injection) 10->105 19 cmd.exe 3 10->19         started        22 logagent.exe 3 17 10->22         started        69 web.fe.1drv.com 15->69 75 3 other IPs or domains 15->75 107 Multi AV Scanner detection for dropped file 15->107 109 Machine Learning detection for dropped file 15->109 111 Injects a PE file into a foreign processes 15->111 25 colorcpl.exe 15->25         started        71 web.fe.1drv.com 17->71 77 3 other IPs or domains 17->77 27 logagent.exe 17->27         started        file5 signatures6 process7 dnsIp8 89 Uses ping.exe to sleep 19->89 91 Drops executables to the windows directory (C:\Windows) and starts them 19->91 93 Uses ping.exe to check the status of other devices and networks 19->93 29 easinvoker.exe 19->29         started        31 PING.EXE 1 19->31         started        34 xcopy.exe 2 19->34         started        37 6 other processes 19->37 59 www.monarkpapes.com 185.29.11.109, 2404, 49720 DATACLUB-NL European Union 22->59 61 geoplugin.net 178.237.33.50, 49721, 80 ATOM86-ASATOM86NL Netherlands 22->61 63 192.168.2.1 unknown unknown 22->63 signatures9 process10 dnsIp11 39 cmd.exe 1 29->39         started        79 127.0.0.1 unknown unknown 31->79 49 C:\Windows \System32\easinvoker.exe, PE32+ 34->49 dropped 51 C:\Windows \System32\netutils.dll, PE32+ 37->51 dropped file12 process13 signatures14 95 Suspicious powershell command line found 39->95 97 Adds a directory exclusion to Windows Defender 39->97 42 powershell.exe 21 39->42         started        45 conhost.exe 39->45         started        process15 signatures16 99 DLL side loading technique detected 42->99 47 conhost.exe 42->47         started        process17
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-11 09:58:56 UTC
File Type:
PE (Exe)
Extracted files:
43
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:remotehost collection persistence rat trojan
Behaviour
Enumerates system info in registry
Runs ping.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
www.monarkpapes.com:2404
Unpacked files
SH256 hash:
ad5e18d32f403ca4871f3d4b222c84821a6b6ba74ec858cc99eb00c66bb6bddb
MD5 hash:
124920b9252088f6e020909d8189bedb
SHA1 hash:
f2c33a8b082cc91220c92c41badc7eb859ca8d3e
Detections:
DbatLoaderStage1
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:CMD_Ping_Localhost
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information


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

Comments