MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05d8342057d5c5a482c33f7352412b40e9753ef178fdc4b746a68e8a86acb0e2. 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: 05d8342057d5c5a482c33f7352412b40e9753ef178fdc4b746a68e8a86acb0e2
SHA3-384 hash: f4cd8eca224de795bbffde12647e27d78e52391093c3d0d1f7dd4b8614e3ae1607595d95d2f490542fbf15c09f80fed0
SHA1 hash: 486fd7f777b4618dd3940567e9d9eadbc560fe43
MD5 hash: 6c448c863b44bc5eaf89a457074297ac
humanhash: colorado-lake-orange-nineteen
File name:SecuriteInfo.com.Win32.CrypterX-gen.6876.3582
Download: download sample
Signature RemcosRAT
File size:918'528 bytes
First seen:2023-11-28 05:15:39 UTC
Last seen:2023-11-28 08:14:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:JNqYUrka4M3qMWThHZXT6HcK1fmO6SGuU9Vw4JV0M:vqYwkUp4hHZXT6H1019Vw4f0M
Threatray 594 similar samples on MalwareBazaar
TLSH T11715236433A89163E8FE4AF04A6215408B7770A664B3F2EEDD8014AE8BE5FD25713753
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 68c4d2d2725a5252 (10 x Formbook, 8 x AgentTesla, 3 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
315
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Using the Windows Management Instrumentation requests
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed remcos
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:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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 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
Delayed program exit found
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
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
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
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: 1349041 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 28/11/2023 Architecture: WINDOWS Score: 100 47 geoplugin.net 2->47 53 Multi AV Scanner detection for domain / URL 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 11 other signatures 2->59 8 SecuriteInfo.com.Win32.CrypterX-gen.6876.3582.exe 7 2->8         started        12 ibHIXqv.exe 5 2->12         started        signatures3 process4 file5 43 C:\Users\user\AppData\Roaming\ibHIXqv.exe, PE32 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmp51DA.tmp, XML 8->45 dropped 61 Tries to steal Mail credentials (via file registry) 8->61 63 Uses schtasks.exe or at.exe to add and modify task schedules 8->63 65 Contains functionality to modify clipboard data 8->65 73 2 other signatures 8->73 14 SecuriteInfo.com.Win32.CrypterX-gen.6876.3582.exe 3 14 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        26 2 other processes 8->26 67 Multi AV Scanner detection for dropped file 12->67 69 Contains functionality to bypass UAC (CMSTPLUA) 12->69 71 Contains functionalty to change the wallpaper 12->71 75 4 other signatures 12->75 22 schtasks.exe 1 12->22         started        24 ibHIXqv.exe 12->24         started        signatures6 process7 dnsIp8 49 91.92.249.176, 4285, 49706, 49708 THEZONEBG Bulgaria 14->49 51 geoplugin.net 178.237.33.50, 49711, 80 ATOM86-ASATOM86NL Netherlands 14->51 83 Tries to harvest and steal browser information (history, passwords, etc) 14->83 85 Maps a DLL or memory area into another process 14->85 28 SecuriteInfo.com.Win32.CrypterX-gen.6876.3582.exe 14->28         started        31 SecuriteInfo.com.Win32.CrypterX-gen.6876.3582.exe 14->31         started        33 SecuriteInfo.com.Win32.CrypterX-gen.6876.3582.exe 14 14->33         started        35 conhost.exe 14->35         started        37 conhost.exe 18->37         started        39 conhost.exe 20->39         started        41 conhost.exe 22->41         started        signatures9 process10 signatures11 77 Tries to steal Instant Messenger accounts or passwords 28->77 79 Tries to steal Mail credentials (via file / registry access) 28->79 81 Tries to harvest and steal browser information (history, passwords, etc) 31->81
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-28 03:39:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:lp collection rat spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
91.92.249.176:4285
Unpacked files
SH256 hash:
dee3aa30055dbc70f381850abeb8f9c5490919cf9e3fea65daa304a21315b76c
MD5 hash:
466b103ac61c1e14cbe0fca9cc1f8cee
SHA1 hash:
db475f0413ea39fc0bcd252d7231ceca1759ab5d
Detections:
Remcos win_remcos_w0 win_remcos_auto win_remcos_rat_unpacked INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM malware_windows_remcos_rat
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
f5a8f5ded618fd3989fa98a3c2d87c4853d6e10ecb1313cd5ddd7df375336b31
MD5 hash:
243f9990bb7d68a3f6e4d3999800da5b
SHA1 hash:
ba555175d12f19f6288a3574738bcd6c8b747e3b
SH256 hash:
fca3f0b3d82159625f69932d389762d65125dcee7f72915d29e92cb04a5e96b6
MD5 hash:
9c44cce08f7309a15ec7c5798097987d
SHA1 hash:
ac0713627ed44a322ab022ae4ba65e17ead111ac
SH256 hash:
05d8342057d5c5a482c33f7352412b40e9753ef178fdc4b746a68e8a86acb0e2
MD5 hash:
6c448c863b44bc5eaf89a457074297ac
SHA1 hash:
486fd7f777b4618dd3940567e9d9eadbc560fe43
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.

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