MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0529c6a403748e2cbf6b6694891b1327d3782f4a41b35c3bd81a176119544456. 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 5 File information Comments

SHA256 hash: 0529c6a403748e2cbf6b6694891b1327d3782f4a41b35c3bd81a176119544456
SHA3-384 hash: 1de81769f6727c28c7ee8c34a4ac45f66122259785df2e9fa873cddf128c85c612340bf5b1a2facde12f18ebcacff68a
SHA1 hash: f108e4ec9e33345cad12bc58b08c3001b3c3da10
MD5 hash: 54a64bd2ec5cb69c4c68dc2367772b32
humanhash: nine-magnesium-hawaii-venus
File name:Invoice 3751.exe
Download: download sample
Signature RemcosRAT
File size:956'416 bytes
First seen:2022-09-03 09:38:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5c22b7601862b7d06916c71e43b4678e (2 x RemcosRAT)
ssdeep 12288:5R7Vk/CX4DNcFZcuhXC2P6HbzRAwEPT7greS/8GTN40JIyLrFHJymf7fvM1:5RBkayNiZJvInR7XN40JIyLrFHDvk
TLSH T16615AFF7B2E08A33D0371678CD5B6398DE29BD415D50B94E2BE0168CCF285D1A82B677
TrID 93.9% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
2.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.8% (.SCR) Windows screen saver (13101/52/3)
0.6% (.EXE) Win32 Executable (generic) (4505/5/1)
0.4% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon ecf4b2b2b2d4d4dc (6 x ModiLoader, 2 x Formbook, 2 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
450
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice 3751.exe
Verdict:
Malicious activity
Analysis date:
2022-09-03 09:39:27 UTC
Tags:
n/a

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
Sending a custom TCP request
DNS request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Creating a process from a recently created file
Searching for the window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
evasive keylogger
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
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 ComputerDefaults
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 697000 Sample: Invoice 3751.exe Startdate: 03/09/2022 Architecture: WINDOWS Score: 100 81 Multi AV Scanner detection for domain / URL 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 Antivirus detection for URL or domain 2->85 87 9 other signatures 2->87 10 Invoice 3751.exe 1 23 2->10         started        15 Iyoohnrmw.exe 15 2->15         started        17 Iyoohnrmw.exe 2->17         started        process3 dnsIp4 63 sn-files.fe.1drv.com 10->63 65 onedrive.live.com 10->65 67 mxhcpg.sn.files.1drv.com 10->67 53 C:\Users\Public\Libraries\Iyoohnrmw.exe, PE32 10->53 dropped 55 C:\Users\...\Iyoohnrmw.exe:Zone.Identifier, ASCII 10->55 dropped 57 C:\Users\Public\Libraries\netutils.dll, PE32+ 10->57 dropped 59 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 10->59 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 iexpress.exe 10->22         started        69 sn-files.fe.1drv.com 15->69 73 2 other IPs or domains 15->73 107 Multi AV Scanner detection for dropped file 15->107 109 Machine Learning detection for dropped file 15->109 111 Contains functionality to inject code into remote processes 15->111 24 iexpress.exe 15->24         started        71 sn-files.fe.1drv.com 17->71 75 2 other IPs or domains 17->75 113 Injects a PE file into a foreign processes 17->113 27 iexpress.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 61 july202022.ddns.net 66.94.108.214, 2404, 49747 AWESOMENET-CORPUS United States 24->61 signatures9 process10 dnsIp11 39 cmd.exe 1 29->39         started        77 127.0.0.1 unknown unknown 31->77 79 192.168.2.1 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 27 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:
2022-09-02 23:22:34 UTC
File Type:
PE (Exe)
Extracted files:
78
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:remotehost persistence rat trojan
Behaviour
Enumerates system info in registry
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
july202022.ddns.net:2404
2ndspreading1.ddns.net:2404
july20220spread.ddns.net:2404
july20220spread2.ddns.net:2404
Unpacked files
SH256 hash:
0529c6a403748e2cbf6b6694891b1327d3782f4a41b35c3bd81a176119544456
MD5 hash:
54a64bd2ec5cb69c4c68dc2367772b32
SHA1 hash:
f108e4ec9e33345cad12bc58b08c3001b3c3da10
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
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.

Malspam

RemcosRAT

Executable exe 0529c6a403748e2cbf6b6694891b1327d3782f4a41b35c3bd81a176119544456

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments