MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a94dc2ec5ba36249dcf25e76a013cad2ff628acc349e5478705c0cb92bc6050d. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a94dc2ec5ba36249dcf25e76a013cad2ff628acc349e5478705c0cb92bc6050d
SHA3-384 hash: d58abce19474cd4f7b73f500655cdccef3e479f7be4b07a31465782c8279d54f8357af400033d0a8f19dc318f1007db7
SHA1 hash: 47f6e0e4ab46672bd631d3c4813832de3fe4c92d
MD5 hash: 5a5e01532d13cc779f1ad7bbc89b843d
humanhash: bluebird-pasta-high-london
File name:QBPOS Purchase.doc.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'125'376 bytes
First seen:2023-09-10 06:47:20 UTC
Last seen:2023-09-11 11:30:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e7e2298ab9c4c8059ee2958188f46ba7 (2 x RemcosRAT, 1 x DBatLoader)
ssdeep 12288:xU9TRsANxDiPickb0YJ10//Or/5nF9jt0Bg7jsLOM1IRywStDZRA3+B9dkchjuhr:xUhRD2Pilr10QBFf0eFuPD+4mwln
TLSH T156357EE272588C71F0A23539C80972D0357BB8FDAD3E5C8D466D390A5AB2B91792C47F
TrID 74.8% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
11.8% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
4.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.7% (.SCR) Windows screen saver (13097/50/3)
1.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 308a8a8c88888230 (2 x RemcosRAT, 1 x DBatLoader)
Reporter cocaman
Tags:exe payment RemcosRAT

Intelligence

File Origin
# of uploads :
4
# of downloads :
326
Origin country :
CZ CZ
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
QBPOS Purchase.doc.exe
Verdict:
Malicious activity
Analysis date:
2023-09-10 06:49:52 UTC
Tags:
dbatloader loader rat remcos remote keylogger
Link:
https://app.any.run/tasks/f61e5d8e-79ce-4c51-b5fa-6409d41ba885

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/447696/
Detection(s):
SecuriteInfo.com.Trojan.Siggen21.26153.3757.10538.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Searching for the window
Query of malicious DNS domain
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source
Gathering data
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a94dc2ec5ba36249dcf25e76a013cad2ff628acc349e5478705c0cb92bc6050d
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d493408c-1de3-4c09-a8bc-529736558eba
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1306793
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses an obfuscated file name to hide its real file extension (double extension)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1306793 Sample: QBPOS_Purchase.doc.exe Startdate: 10/09/2023 Architecture: WINDOWS Score: 100 70 Multi AV Scanner detection for domain / URL 2->70 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 12 other signatures 2->76 11 QBPOS_Purchase.doc.exe 1 7 2->11         started        16 Ipwemwzy.PIF 2->16         started        process3 dnsIp4 66 zills.ydns.eu 81.161.229.9, 49723, 49730, 80 CMCSUS Germany 11->66 56 C:\Users\Public\Libraries\netutils.dll, PE32+ 11->56 dropped 58 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 11->58 dropped 60 C:\Users\Public\Libraries\Ipwemwzy.PIF, PE32 11->60 dropped 96 Drops PE files with a suspicious file extension 11->96 98 Writes to foreign memory regions 11->98 100 Allocates memory in foreign processes 11->100 102 Injects a PE file into a foreign processes 11->102 18 cmd.exe 1 11->18         started        21 colorcpl.exe 5 17 11->21         started        104 Multi AV Scanner detection for dropped file 16->104 25 colorcpl.exe 16->25         started        file5 signatures6 process7 dnsIp8 78 Uses ping.exe to sleep 18->78 80 Drops executables to the windows directory (C:\Windows) and starts them 18->80 82 Uses ping.exe to check the status of other devices and networks 18->82 27 easinvoker.exe 18->27         started        29 PING.EXE 1 18->29         started        32 xcopy.exe 2 18->32         started        35 8 other processes 18->35 62 Greatzillart.ydns.eu 185.216.71.113, 1960, 49724 CLOUDCOMPUTINGDE Germany 21->62 64 geoplugin.net 178.237.33.50, 49725, 80 ATOM86-ASATOM86NL Netherlands 21->64 54 C:\ProgramData\remcos\logs.dat, data 21->54 dropped 84 Contains functionality to bypass UAC (CMSTPLUA) 21->84 86 Contains functionalty to change the wallpaper 21->86 88 Contains functionality to steal Chrome passwords or cookies 21->88 90 2 other signatures 21->90 file9 signatures10 process11 dnsIp12 37 cmd.exe 1 27->37         started        68 127.0.0.1 unknown unknown 29->68 50 C:\Windows \System32\easinvoker.exe, PE32+ 32->50 dropped 52 C:\Windows \System32\netutils.dll, PE32+ 35->52 dropped file13 process14 signatures15 92 Adds a directory exclusion to Windows Defender 37->92 40 cmd.exe 1 37->40         started        43 conhost.exe 37->43         started        process16 signatures17 94 Adds a directory exclusion to Windows Defender 40->94 45 powershell.exe 23 40->45         started        process18 signatures19 106 DLL side loading technique detected 45->106 48 conhost.exe 45->48         started        process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a94dc2ec5ba36249dcf25e76a013cad2ff628acc349e5478705c0cb92bc6050d/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-09-03 23:54:59 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vfg4f3c3unretxhslz3kae6k2l7wfcwmgspfi6dqlqglsk6gaugq._file
Verdict:
malicious
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:great persistence rat trojan
Link:
https://tria.ge/reports/230910-hkrw3sfe52/
Behaviour
Enumerates system info in registry
Runs ping.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
Greatzillart.ydns.eu:1960
Unpacked files
SH256 hash:
a94dc2ec5ba36249dcf25e76a013cad2ff628acc349e5478705c0cb92bc6050d
MD5 hash:
5a5e01532d13cc779f1ad7bbc89b843d
SHA1 hash:
47f6e0e4ab46672bd631d3c4813832de3fe4c92d
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/e01bcf47-2edf-46be-a42a-97669aa68b1e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a94dc2ec5ba36249dcf25e76a013cad2ff628acc349e5478705c0cb92bc6050d

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
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:shellcode
Create hunting rule
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.

Malspam

RemcosRAT

rar a3b8758d2b0c4bdb9568a41eb6190e648d0f15f186e5d6294c2361c13ce6ef03

RemcosRAT

Executable exe a94dc2ec5ba36249dcf25e76a013cad2ff628acc349e5478705c0cb92bc6050d

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 a3b8758d2b0c4bdb9568a41eb6190e648d0f15f186e5d6294c2361c13ce6ef03
  
Dropped by
SHA256 06b3a2567c8f30af04c48561f48263654175bcb4548fcbb1d1b9707a4969c595
Cape
Cape
https://www.capesandbox.com/analysis/447696/
  
Dropped by
MD5 01db651e342f6ad0f21a21bde1c6e4be
  
Dropped by
MD5 b18759785c283d4cd5dd2c54f5b177c7

Comments