MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d02ef98d7fec3d3e752706c11c9a57130dba4b03022f85e12e7214fc92622bc. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d02ef98d7fec3d3e752706c11c9a57130dba4b03022f85e12e7214fc92622bc
SHA3-384 hash: ff85326ccd265e9b73d2930ecc836b1c9aa9e1f060f8c102b7522f50b39bbe97390a781dafcb28960290b1f1c111a473
SHA1 hash: b8650b9e3d5d0e054c7decffffaf06cb83b18ad4
MD5 hash: 5dc4dfdc43b27b8e1664f4ba3c11cb08
humanhash: alabama-orange-football-vegan
File name:SecuriteInfo.com.Win32.Evo-gen.7105.24636
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'071'616 bytes
First seen:2024-03-25 02:22:54 UTC
Last seen:2024-07-25 01:37:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d9e0b0a083e7f2f7198f40fb54e0f914 (2 x RemcosRAT, 1 x DBatLoader)
ssdeep 24576:+PF6DSSEvVi8ds05OTOfYIOBRaR6URr0GDp6ezPEM:+PazuAOfh4RaR6URrNph
TLSH T12E357C6376F1A835D73E79788C4A7664115FBE38EE545802B3E9397C0E391C1AC2A393
TrID 36.1% (.SCR) Windows screen saver (13097/50/3)
29.0% (.EXE) Win64 Executable (generic) (10523/12/4)
12.4% (.EXE) Win32 Executable (generic) (4504/4/1)
5.7% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 96969696969686a6 (2 x RemcosRAT, 1 x DBatLoader)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
337
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
4d02ef98d7fec3d3e752706c11c9a57130dba4b03022f85e12e7214fc92622bc.exe
Verdict:
Malicious activity
Analysis date:
2024-03-25 02:31:37 UTC
Tags:
dbatloader rat remcos keylogger stealer
Link:
https://app.any.run/tasks/bad870d7-07d1-43fa-8b54-d15b1d849a4b

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

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Creating a file
Creating a process from a recently created file
Launching a process
Setting a keyboard event handler
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Moving a file to the Program Files subdirectory
Replacing files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint keylogger redcap stealer
Link:
https://www.filescan.io/uploads/6600e007e267e4ac50892b27/reports/e1d16aab-45a2-4390-8718-da9e270d863b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/4d02ef98d7fec3d3e752706c11c9a57130dba4b03022f85e12e7214fc92622bc
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.
Malware family:
Dbatloader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a2cd0668-a5a6-4579-8ebb-6b31e8b74670
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1414837
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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 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
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Execution from Suspicious Folder
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious Program Location with Network Connections
Sigma detected: TrustedPath UAC Bypass Pattern
Snort IDS alert for network traffic
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)
Writes to foreign memory regions
Yara detected DBatLoader
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: 1414837 Sample: SecuriteInfo.com.Win32.Evo-... Startdate: 25/03/2024 Architecture: WINDOWS Score: 100 77 xtiacw.dm.files.1drv.com 2->77 79 web.fe.1drv.com 2->79 81 5 other IPs or domains 2->81 89 Snort IDS alert for network traffic 2->89 91 Found malware configuration 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 16 other signatures 2->95 12 SecuriteInfo.com.Win32.Evo-gen.7105.24636.exe 1 7 2->12         started        17 Kqcgoosp.PIF 2->17         started        19 Kqcgoosp.PIF 2->19         started        signatures3 process4 dnsIp5 87 dual-spov-0006.spov-msedge.net 13.107.139.11, 443, 49705, 49706 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->87 69 C:\Windows \System32\netutils.dll, PE32+ 12->69 dropped 71 C:\Windows \System32\2151639.exe, PE32+ 12->71 dropped 73 C:\Users\Public\Libraries\psoogcqK.pif, PE32 12->73 dropped 75 2 other malicious files 12->75 dropped 119 Drops PE files with a suspicious file extension 12->119 121 Writes to foreign memory regions 12->121 123 Allocates memory in foreign processes 12->123 21 psoogcqK.pif 3 16 12->21         started        26 cmd.exe 1 12->26         started        28 extrac32.exe 1 12->28         started        34 2 other processes 12->34 125 Multi AV Scanner detection for dropped file 17->125 127 Machine Learning detection for dropped file 17->127 129 Sample uses process hollowing technique 17->129 30 psoogcqK.pif 17->30         started        32 psoogcqK.pif 19->32         started        file6 signatures7 process8 dnsIp9 83 172.245.208.13, 4445, 49708, 49709 AS-COLOCROSSINGUS United States 21->83 85 geoplugin.net 178.237.33.50, 49710, 80 ATOM86-ASATOM86NL Netherlands 21->85 65 C:\ProgramData\remcos\logs.dat, data 21->65 dropped 107 Contains functionality to bypass UAC (CMSTPLUA) 21->107 109 Detected unpacking (changes PE section rights) 21->109 111 Detected Remcos RAT 21->111 117 10 other signatures 21->117 36 psoogcqK.pif 21->36         started        39 psoogcqK.pif 21->39         started        41 psoogcqK.pif 2 21->41         started        113 Drops executables to the windows directory (C:\Windows) and starts them 26->113 43 2151639.exe 26->43         started        45 conhost.exe 26->45         started        67 C:\Users\Public\Libraries\Kqcgoosp.PIF, PE32 28->67 dropped 115 Drops PE files with a suspicious file extension 28->115 47 conhost.exe 34->47         started        49 conhost.exe 34->49         started        file10 signatures11 process12 signatures13 99 Tries to steal Instant Messenger accounts or passwords 36->99 101 Tries to steal Mail credentials (via file / registry access) 36->101 103 Tries to harvest and steal browser information (history, passwords, etc) 39->103 51 cmd.exe 1 43->51         started        process14 signatures15 97 Adds a directory exclusion to Windows Defender 51->97 54 cmd.exe 1 51->54         started        57 conhost.exe 51->57         started        process16 signatures17 105 Adds a directory exclusion to Windows Defender 54->105 59 powershell.exe 23 54->59         started        61 conhost.exe 54->61         started        process18 process19 63 WmiPrvSE.exe 59->63         started       
Score:
94%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4d02ef98d7fec3d3e752706c11c9a57130dba4b03022f85e12e7214fc92622bc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d02ef98d7fec3d3e752706c11c9a57130dba4b03022f85e12e7214fc92622bc/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-03-25 01:21:06 UTC
File Type:
PE (Exe)
Extracted files:
29
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jubo7ggx73b5hz2sobwbdsnfoeynxjfqgarpqxqs44qu7sjgek6a._file
Verdict:
malicious
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:jons collection persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/240325-ct5lmsge2z/
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
ModiLoader Second Stage
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
172.245.208.13:4445
Gathering data
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4d02ef98d7fe/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/4d02ef98d7fec3d3e752706c11c9a57130dba4b03022f85e12e7214fc92622bc

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:TeslaCryptPackedMalware
Create hunting rule
Rule name:yara_template
Create hunting rule

File information

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

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::EmptyClipboard
user32.dll::FindWindowA
user32.dll::OpenClipboard
user32.dll::PeekMessageA

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