MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments

SHA256 hash: 61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d
SHA3-384 hash: 43b9e1b5092d55bc396aa02afa15ff1c7cbd861fc4536f51fcfe626b9e433374f99a7d6b7d9a8dcf484e8b5019b56a50
SHA1 hash: d239b25b2a33a64134f11d2d2ac5c7a89e186a29
MD5 hash: a55159c7edc073d452e4fef92d247997
humanhash: pennsylvania-mars-wyoming-kentucky
File name:Customer Advisory - HS Code - Maersk Shipping.doc.exe
Download: download sample
Signature RemcosRAT
File size:1'388'544 bytes
First seen:2024-05-23 18:21:52 UTC
Last seen:2024-05-23 19:36:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b62ef519e625f043f6b37900f39dc00e (2 x RemcosRAT, 2 x DBatLoader, 1 x Formbook)
ssdeep 24576:AP+g7Wy3xfMZKdcKtTjbJ4jEEEEEEEEEEEEEEEEEEEETKKKKKKKKKKKKKKKKKKK7:A/iy3g6TjbIEEEEEEEEEEEEEEEEEEEE+
TLSH T1F955814184448E58F8147B38516EEA29E2FB7E932C64F50EF55E38DF9E363827035A4B
TrID 36.1% (.SCR) Windows screen saver (13097/50/3)
29.0% (.EXE) Win64 Executable (generic) (10523/12/4)
12.4% (.EXE) Win32 Executable (generic) (4504/4/1)
5.7% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 78f294c4d4d4ccd4 (5 x DBatLoader, 2 x AgentTesla, 2 x RemcosRAT)
Reporter abuse_ch
Tags:exe Maersk RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
353
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d.exe
Verdict:
Malicious activity
Analysis date:
2024-05-23 18:43:50 UTC
Tags:
fileshare remcos rat evasion stealer keylogger

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

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file
Creating a process from a recently created file
Setting a keyboard event handler
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint keylogger masquerade
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:
Remcos, DBatLoader
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to detect sleep reduction / modifications
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
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Delayed program exit found
Detected Remcos RAT
Drops PE files with benign system names
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Installs a global keyboard hook
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
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Remcos
Sigma detected: Suspicious Double Extension File Execution
Sigma detected: System File Execution Location Anomaly
Snort IDS alert 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)
Tries to steal Mail credentials (via file registry)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Yara detected DBatLoader
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: 1446738 Sample: Customer Advisory - HS Code... Startdate: 23/05/2024 Architecture: WINDOWS Score: 100 41 royaldachpharmacy.duckdns.org 2->41 43 onedrive.live.com 2->43 45 6 other IPs or domains 2->45 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 61 24 other signatures 2->61 8 Customer Advisory - HS Code - Maersk Shipping.doc.exe 3 6 2->8         started        13 services.exe 2->13         started        15 services.exe 2->15         started        17 services.exe 2->17         started        signatures3 59 Uses dynamic DNS services 41->59 process4 dnsIp5 51 dual-spov-0006.spov-msedge.net 13.107.139.11, 443, 49699, 49700 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 8->51 37 C:\ProgramData\Remcos\services.exe, PE32 8->37 dropped 39 C:\Users\Publicoosrcxm.url, MS 8->39 dropped 71 Detected Remcos RAT 8->71 73 Creates autostart registry keys with suspicious names 8->73 75 Creates multiple autostart registry keys 8->75 19 services.exe 3 16 8->19         started        24 svchost.exe 2 8->24         started        26 extrac32.exe 8->26         started        file6 signatures7 process8 dnsIp9 47 royaldachpharmacy.duckdns.org 45.148.244.102, 49705, 49706, 49707 VMAGE-ASRU Russian Federation 19->47 49 geoplugin.net 178.237.33.50, 49708, 80 ATOM86-ASATOM86NL Netherlands 19->49 35 C:\ProgramData\Remcos\logs.dat, data 19->35 dropped 63 Multi AV Scanner detection for dropped file 19->63 65 Detected Remcos RAT 19->65 67 Tries to steal Mail credentials (via file registry) 19->67 69 6 other signatures 19->69 28 services.exe 1 19->28         started        31 services.exe 1 19->31         started        33 services.exe 2 19->33         started        file10 signatures11 process12 signatures13 77 Tries to steal Instant Messenger accounts or passwords 28->77 79 Tries to harvest and steal browser information (history, passwords, etc) 28->79 81 Tries to steal Mail credentials (via file / registry access) 31->81
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2024-05-23 12:10:40 UTC
File Type:
PE (Exe)
Extracted files:
63
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:fmglobal collection persistence rat spyware stealer
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
royaldachpharmacy.duckdns.org:6395
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
774e036b598ddf06d6506a815215f4ecd654617240780a918b66f986fc9d2fb0
MD5 hash:
061cb186ab5f87443947b6f80b328c3c
SHA1 hash:
b7d46af8f4291a60a6e22ab954fe93214f8d0462
SH256 hash:
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
MD5 hash:
c116d3604ceafe7057d77ff27552c215
SHA1 hash:
452b14432fb5758b46f2897aeccd89f7c82a727d
SH256 hash:
61fc662a678c75e1f17ee6bb00ef853c6d51bd4ae90616c8ed4995c45e96206d
MD5 hash:
a55159c7edc073d452e4fef92d247997
SHA1 hash:
d239b25b2a33a64134f11d2d2ac5c7a89e186a29
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:BobSoftMiniDelphiBoBBobSoft
Author:malware-lu
Rule name:Borland
Author:malware-lu
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryW
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::FindWindowA
user32.dll::PeekMessageA
user32.dll::PeekMessageW
user32.dll::CreateWindowExA

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