MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41e5e1da54fb730fb90a677edcc8a725d62cbddfdfb7e8d25aa4267de18f7118. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 41e5e1da54fb730fb90a677edcc8a725d62cbddfdfb7e8d25aa4267de18f7118
SHA3-384 hash: 6476c2d386c729c84c91a2937955e7040639126388c17b53cbbaa179a934e0cf7a1729b9b5c35a8245ba9cf72f30f8d5
SHA1 hash: e830c8b2df16f9f1dd6a5e7d093426324d1f08f3
MD5 hash: 38d41faa1fdcd996ea54cd262449e7b3
humanhash: four-eighteen-skylark-ohio
File name:Payment Slip.exe
Download: download sample
Signature RemcosRAT
File size:933'888 bytes
First seen:2023-08-09 05:37:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:Pn6YTatVa/zLBHr06JhLLthPx6nqUhmgi0zZ:P0aLLBHr08hnvEnldiI
Threatray 2'422 similar samples on MalwareBazaar
TLSH T12015221436B7892FC57C66F69BAD040447F5A7AC8A6BD8DE2CE4204781F2F009794F6B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 228c38e4e438cc22 (5 x AgentTesla, 2 x RemcosRAT, 1 x SnakeKeylogger)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
390
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Gathering data
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:
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1288269 Sample: Payment_Slip.exe Startdate: 09/08/2023 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 9 other signatures 2->52 7 PyCXoAwg.exe 5 2->7         started        10 Payment_Slip.exe 7 2->10         started        process3 file4 56 Multi AV Scanner detection for dropped file 7->56 58 Contains functionality to bypass UAC (CMSTPLUA) 7->58 60 Machine Learning detection for dropped file 7->60 66 4 other signatures 7->66 13 schtasks.exe 1 7->13         started        15 PyCXoAwg.exe 7->15         started        38 C:\Users\user\AppData\Roaming\PyCXoAwg.exe, PE32 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmp247A.tmp, XML 10->40 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 10->62 64 Adds a directory exclusion to Windows Defender 10->64 17 Payment_Slip.exe 3 15 10->17         started        22 powershell.exe 19 10->22         started        24 powershell.exe 18 10->24         started        26 3 other processes 10->26 signatures5 process6 dnsIp7 28 conhost.exe 13->28         started        42 167.114.189.33, 2404, 49698 OVHFR Canada 17->42 44 geoplugin.net 178.237.33.50, 49699, 80 ATOM86-ASATOM86NL Netherlands 17->44 36 C:\ProgramData\remcos\logs.dat, data 17->36 dropped 54 Installs a global keyboard hook 17->54 30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        file8 signatures9 process10
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-08-08 18:57:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
8 of 37 (21.62%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
167.114.189.33:2404
Unpacked files
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
SH256 hash:
0c65cc63943ef047c4604d51017264cb699337750d110c3b9558c3b6d9b218d0
MD5 hash:
d3dbba0102a129dfd4009d5886d9f11b
SHA1 hash:
8e9a6b10047ba4e99e82a9b09bd79335830e74a6
Detections:
Remcos win_remcos_auto
SH256 hash:
4bc0541974fe00584a554a0ea43ec7b17ec1896158afba11af489aae14702a74
MD5 hash:
15123ce9106d171fc538d3ae045922ee
SHA1 hash:
7642e8cbef5108b91e178c6b30ef6ae45d8d4924
SH256 hash:
e36c7ea88fdf840f951c7091cabb021b775163c811345249f4bce40f3b1c0bca
MD5 hash:
01ec65f25ec8f6fe68af0010cd0bf24e
SHA1 hash:
4d4a31df1b1b967194f3988c212619e62350d9f5
SH256 hash:
41e5e1da54fb730fb90a677edcc8a725d62cbddfdfb7e8d25aa4267de18f7118
MD5 hash:
38d41faa1fdcd996ea54cd262449e7b3
SHA1 hash:
e830c8b2df16f9f1dd6a5e7d093426324d1f08f3
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

RemcosRAT

Executable exe 41e5e1da54fb730fb90a677edcc8a725d62cbddfdfb7e8d25aa4267de18f7118

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments