MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ecf9fda65dc1a4a9c7610510ac9f78a6663e75d736a8444c72e11a0cc8d8d46. 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: 16


Intelligence 16 IOCs YARA 27 File information Comments

SHA256 hash: 6ecf9fda65dc1a4a9c7610510ac9f78a6663e75d736a8444c72e11a0cc8d8d46
SHA3-384 hash: 7b045f007b93c67bdab69e230c1ef0358ff9b9dfe178896b367e3aa85f778647fdeec1b883cceee962021e7f4eff8d82
SHA1 hash: 93ac12eb3d7c3233e16e7862db99cfef00f17345
MD5 hash: d33402b66288740c3dcac6f12edc5e63
humanhash: august-beryllium-iowa-spring
File name:D33402B66288740C3DCAC6F12EDC5E63.exe
Download: download sample
Signature RemcosRAT
File size:301'056 bytes
First seen:2023-10-16 08:25:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash cc55bce3abc3b927f546a56840b83d63 (1 x RemcosRAT, 1 x Smoke Loader, 1 x Amadey)
ssdeep 6144:TjsZJWIz2RJXDGmZV2IFvYoD1BX+dTxNuwEm8ozoAO3bm/ss:TLIzEJXD7ZTvYFTHuwE77ts
Threatray 2'996 similar samples on MalwareBazaar
TLSH T1C5543B517912C072DA6051720AB9BFF6C1ADAC159B704AEF6BC00E77DA212E37931F39
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
91.242.229.190:2450

Intelligence


File Origin
# of uploads :
1
# of downloads :
347
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
6ecf9fda65dc1a4a9c7610510ac9f78a6663e75d736a8444c72e11a0cc8d8d46
Verdict:
Malicious activity
Analysis date:
2023-10-11 10:17:33 UTC
Tags:
stealer vidar trojan arkei rat remcos keylogger amadey

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP POST request
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
amadey clipbanker control greyware lolbin shell32
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:
Amadey, Remcos, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
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 inject code into remote processes
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
Found many strings related to Crypto-Wallets (likely being stolen)
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
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses known network protocols on non-standard ports
Yara detected Amadeys stealer DLL
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1326312 Sample: u7owoMHeAY.exe Startdate: 16/10/2023 Architecture: WINDOWS Score: 100 34 sebugan.info 2->34 36 t.me 2->36 38 3 other IPs or domains 2->38 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 14 other signatures 2->60 8 u7owoMHeAY.exe 15 2->8         started        signatures3 process4 dnsIp5 40 sebugan.info 80.66.64.43, 49746, 49747, 49751 VAD-SRL-AS1MD Russian Federation 8->40 42 alrayapoet.com 66.45.250.2, 443, 49748, 49749 IS-AS-1US United States 8->42 44 carpediemcard.com 68.66.226.122, 49752, 80 A2HOSTINGUS United States 8->44 22 C:\Users\user\AppData\...\svchost[1].exe, PE32 8->22 dropped 24 C:\Users\user\AppData\Local\...\host[1].exe, PE32 8->24 dropped 62 Contains functionality to bypass UAC (CMSTPLUA) 8->62 64 Contains functionalty to change the wallpaper 8->64 66 Found many strings related to Crypto-Wallets (likely being stolen) 8->66 68 7 other signatures 8->68 13 u7owoMHeAY.exe 35 8->13         started        18 u7owoMHeAY.exe 3 13 8->18         started        file6 signatures7 process8 dnsIp9 46 t.me 149.154.167.99, 443, 49755 TELEGRAMRU United Kingdom 13->46 48 168.119.243.238, 49757, 8000 HETZNER-ASDE Germany 13->48 26 C:\ProgramData\softokn3.dll, PE32 13->26 dropped 28 C:\ProgramData\nss3.dll, PE32 13->28 dropped 30 C:\ProgramData\mozglue.dll, PE32 13->30 dropped 32 3 other files (1 malicious) 13->32 dropped 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->70 72 Found many strings related to Crypto-Wallets (likely being stolen) 13->72 74 Tries to harvest and steal browser information (history, passwords, etc) 13->74 76 Tries to steal Crypto Currency Wallets 13->76 20 WerFault.exe 21 16 13->20         started        50 91.242.229.190, 2450, 49750 LANTRACE-LLCUA Ukraine 18->50 52 geoplugin.net 178.237.33.50, 49753, 80 ATOM86-ASATOM86NL Netherlands 18->52 file10 signatures11 process12
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2023-10-10 20:46:00 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:a67265e3046ff60b9d5fef4a11c4a334 discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199560322242
https://t.me/cahalgo
Unpacked files
SH256 hash:
6ecf9fda65dc1a4a9c7610510ac9f78a6663e75d736a8444c72e11a0cc8d8d46
MD5 hash:
d33402b66288740c3dcac6f12edc5e63
SHA1 hash:
93ac12eb3d7c3233e16e7862db99cfef00f17345
Detections:
Amadey
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:Amadey
Author:kevoreilly
Description:Amadey Payload
Rule name:Check_OutputDebugStringA_iat
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_Amadey
Author:ditekSHen
Description:Amadey downloader payload
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Telegram_Links
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Vidar
Author:kevoreilly,rony
Description:Vidar Payload
Rule name:Windows_Trojan_Amadey_7abb059b
Author:Elastic Security
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Rule name:win_amadey_a9f4
Author:Johannes Bader
Description:matches unpacked Amadey samples
Rule name:win_amadey_bytecodes_oct_2023
Author:Matthew @ Embee_Research
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_vidar_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.vidar.

File information


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

Comments