MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5394613c9b681a8f6735bbe9b0fcaafeb79c165211d9c1d202cb4372404b0df1. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5394613c9b681a8f6735bbe9b0fcaafeb79c165211d9c1d202cb4372404b0df1
SHA3-384 hash: 033851ed652d0465c9e2c639d1c1807ec548f22f212d028cca9587b17cd03b66683eb52b154a954232e41a7a2c2ffcc8
SHA1 hash: d14a0038aabc6db37349438db80ddc907cd45e5c
MD5 hash: 9f5ac77b66807ac0b2e0cedb9bb26491
humanhash: yankee-blue-purple-avocado
File name:11_deb64ed.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'308'672 bytes
First seen:2024-07-22 20:16:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:dAHnh+eWsN3skA4RV1Hom2KXMmHabuOq6jyl6Jp8vlzNXA/EEK0CwQAb5:8h+ZkldoPK8YabuOqqyJlzG40x
TLSH T1DC55CE0273D5C036FFABA2739B6AF64156BC7D254123852F13981DB9BD701B2223E663
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter Racco42
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
390
Origin country :
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
5394613c9b681a8f6735bbe9b0fcaafeb79c165211d9c1d202cb4372404b0df1.exe
Verdict:
Malicious activity
Analysis date:
2024-07-23 16:30:00 UTC
Tags:
remcos rat keylogger stealer evasion mpress
Link:
https://app.any.run/tasks/cc22e8f8-9a6d-409e-b6e2-616f20d73e26

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Autoit-10033589-0
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669ebe402f6eaff4b90f36e4
Tags:
Generic Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit epmicrosoft_visual_cc fingerprint keylogger lolbin microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/669ebe40a537d9330be1b5ae/reports/f40633d8-1027-42e3-9be8-a72a71ec8c93/overview
Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria
Link:
https://www.hybrid-analysis.com/sample/5394613c9b681a8f6735bbe9b0fcaafeb79c165211d9c1d202cb4372404b0df1
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f3f1ba63-6952-493d-83f7-88727ea648ac
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1478660
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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
Detected Remcos RAT
Drops VBS files to the startup folder
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
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
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1478660 Sample: 11_deb64ed.exe Startdate: 22/07/2024 Architecture: WINDOWS Score: 100 36 kamharidas.duckdns.org 2->36 38 geoplugin.net 2->38 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 62 10 other signatures 2->62 8 11_deb64ed.exe 6 2->8         started        12 wscript.exe 1 2->12         started        signatures3 60 Uses dynamic DNS services 36->60 process4 file5 30 C:\Users\user\AppData\Local\...\name.exe, PE32 8->30 dropped 72 Binary is likely a compiled AutoIt script file 8->72 14 name.exe 3 20 8->14         started        74 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->74 19 name.exe 2 12->19         started        signatures6 process7 dnsIp8 40 kamharidas.duckdns.org 191.101.130.68, 30405, 49699, 49700 MAJESTIC-HOSTING-01US Chile 14->40 42 geoplugin.net 178.237.33.50, 49703, 80 ATOM86-ASATOM86NL Netherlands 14->42 32 C:\Users\user\AppData\Roaming\...\name.vbs, data 14->32 dropped 34 C:\ProgramData\aabbc\logs.dat, data 14->34 dropped 44 Multi AV Scanner detection for dropped file 14->44 46 Contains functionality to bypass UAC (CMSTPLUA) 14->46 48 Detected Remcos RAT 14->48 52 10 other signatures 14->52 21 name.exe 1 14->21         started        24 name.exe 1 14->24         started        26 name.exe 2 14->26         started        28 conhost.exe 14->28         started        50 Binary is likely a compiled AutoIt script file 19->50 file9 signatures10 process11 signatures12 64 Binary is likely a compiled AutoIt script file 21->64 66 Tries to steal Instant Messenger accounts or passwords 21->66 68 Tries to harvest and steal browser information (history, passwords, etc) 21->68 70 Tries to steal Mail credentials (via file / registry access) 24->70
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5394613c9b681a8f6735bbe9b0fcaafeb79c165211d9c1d202cb4372404b0df1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5394613c9b681a8f6735bbe9b0fcaafeb79c165211d9c1d202cb4372404b0df1/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-07-22 20:17:06 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kokgcpe3nani6zzvxpu3b7fk723zyfsschm4duqcznbxeqclbxyq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection rat spyware stealer
Link:
https://tria.ge/reports/240722-y2pfaawcph/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
AutoIT Executable
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Malware Config
C2 Extraction:
kamharidas.duckdns.org:30405
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/96eb7c70-17c1-451c-a21b-b07cde9666ae
Unpacked files
SH256 hash:
cc66c29e199982ded780ea32f09b8bf85308bbe894d5d5bd615abcfcee946453
MD5 hash:
d4b93ab062f936132e63b445c18bb66a
SHA1 hash:
8a8bc07ed6f0e1da3ff42ded1375cc1ad0486dab
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/8e4cd1b5-dc7f-402a-b531-3ead24424f32/
SH256 hash:
5394613c9b681a8f6735bbe9b0fcaafeb79c165211d9c1d202cb4372404b0df1
MD5 hash:
9f5ac77b66807ac0b2e0cedb9bb26491
SHA1 hash:
d14a0038aabc6db37349438db80ddc907cd45e5c
Detections:
AutoIT_Compiled
Create hunting rule
SUSP_Imphash_Mar23_3
Create hunting rule
Link:
https://www.unpac.me/results/8e4cd1b5-dc7f-402a-b531-3ead24424f32/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5394613c9b68/report/overview.html
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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research

File information

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

Malspam

RemcosRAT

Executable exe 5394613c9b681a8f6735bbe9b0fcaafeb79c165211d9c1d202cb4372404b0df1

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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