MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ade9d2663541b44ff1954c97dadbbe13aee4cbf54e5ad2b3c491a43716dc486. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: 8ade9d2663541b44ff1954c97dadbbe13aee4cbf54e5ad2b3c491a43716dc486
SHA3-384 hash: 179753eb8b8195a48e3ee7d9ea9b7058a21708b88286f38c79d6f4dd5fa379a75159828e6fca3bc404d6494b009c04e4
SHA1 hash: 59c8db59ba26562281b6317e9f334bf556666240
MD5 hash: 73f19c971d11c7cf1289ffdc962b916c
humanhash: may-washington-bacon-king
File name:AW23.exe
Download: download sample
Signature RemcosRAT
File size:1'003'520 bytes
First seen:2022-12-08 10:48:40 UTC
Last seen:2022-12-08 12:48:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:jZqq97kecvsUDaudAK5AudsSLZ3qhg4glc+Cu6Btz+agBrtNO10VBQbOK:4AFUDaunDtLtCgW+CbfRQTOKET
TLSH T160251619F2F81B52E07DAFB216D3144253F76DAB9A7DE9440EE326C61033B01A895F1B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Creating a window
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
packed
Result
Verdict:
UNKNOWN
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:
spre.phis.troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Drops PE files to the startup folder
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
Sigma detected: Remcos
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)
Uses dynamic DNS services
Yara detected Generic Downloader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 763347 Sample: AW23.exe Startdate: 08/12/2022 Architecture: WINDOWS Score: 100 49 Multi AV Scanner detection for domain / URL 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 13 other signatures 2->55 8 AW23.exe 3 2->8         started        process3 file4 35 C:\Users\user\AppData\Local\...\AW23.exe.log, ASCII 8->35 dropped 63 Bypasses PowerShell execution policy 8->63 65 Injects a PE file into a foreign processes 8->65 12 AW23.exe 2 17 8->12         started        17 powershell.exe 14 8->17         started        signatures5 process6 dnsIp7 43 mazhararyousaf.ddns.net 107.167.244.51, 49713, 49714, 49725 HUGESERVER-NETWORKSUS United States 12->43 45 geoplugin.net 178.237.33.50, 49716, 80 ATOM86-ASATOM86NL Netherlands 12->45 37 C:\ProgramData\remcos\logs.dat, data 12->37 dropped 67 Maps a DLL or memory area into another process 12->67 69 Installs a global keyboard hook 12->69 19 AW23.exe 1 12->19         started        22 AW23.exe 1 12->22         started        24 AW23.exe 1 12->24         started        28 26 other processes 12->28 39 C:\Users\user\AppData\Roaming\...\newone.exe, PE32 17->39 dropped 41 C:\Users\user\...\newone.exe:Zone.Identifier, ASCII 17->41 dropped 71 Drops PE files to the startup folder 17->71 73 Powershell drops PE file 17->73 26 conhost.exe 17->26         started        file8 signatures9 process10 signatures11 57 Tries to steal Instant Messenger accounts or passwords 19->57 59 Tries to steal Mail credentials (via file / registry access) 19->59 61 Tries to harvest and steal browser information (history, passwords, etc) 28->61 30 WerFault.exe 28->30         started        33 WerFault.exe 28->33         started        process12 dnsIp13 47 192.168.2.1 unknown unknown 30->47
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-12-08 09:40:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:snake collection rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Drops startup file
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
mazhararyousaf.ddns.net:50482
Unpacked files
SH256 hash:
b236dff0df818bbf4fbf78ff08490b00a1f6872c1db11d4cd2827189c72ed7d2
MD5 hash:
39910e89e009a951c7b7b36522f57c16
SHA1 hash:
f0a3c75ec22270e798ec7fe0367067b50d6a80d7
SH256 hash:
77e33127aca34641d7f47edaa9725c8bc8d6db8678e6639aedeafbe08efb5576
MD5 hash:
bb11f5ec552e19571a2450c3657b6492
SHA1 hash:
de3b42768b064a48891a2a75cb287c3fff0ecfc0
SH256 hash:
776473d2aa15f33c1146b2b0f7524a599fb6d8e9e35b35979e254ed009824749
MD5 hash:
349887afb6babf863e02ae621ddc6b36
SHA1 hash:
2ea1a1172a4214942cec292370dab2c2d9da6edb
Detections:
Remcos win_remcos_auto
SH256 hash:
8ade9d2663541b44ff1954c97dadbbe13aee4cbf54e5ad2b3c491a43716dc486
MD5 hash:
73f19c971d11c7cf1289ffdc962b916c
SHA1 hash:
59c8db59ba26562281b6317e9f334bf556666240
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:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
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.

Comments