MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47f9955f36afbe74f292eb02e47c782f720c9adaaa8e31cf9f82e50c74c3b044. 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: 14


Intelligence 14 IOCs YARA 14 File information Comments
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SHA256 hash: 47f9955f36afbe74f292eb02e47c782f720c9adaaa8e31cf9f82e50c74c3b044
SHA3-384 hash: 81c6a1bb09138c5ae86ea341bc9b7a43046189ce40d5d8558ec004e86b2af74f52f7f92a291169f1eb50bbb96711d5cc
SHA1 hash: a9019fc51e0288916ff8b61d6fbdf9e3b58b65ba
MD5 hash: d5141d80d46fd3df879495cca103caba
humanhash: coffee-fish-two-quiet
File name:SecuriteInfo.com.Script.SNH-gen.14974.467
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:527'500 bytes
First seen:2024-04-28 07:38:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (96 x GuLoader, 53 x Formbook, 37 x VIPKeylogger)
ssdeep 12288:1fLwLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLPLLLLLLLLLL8:1fLwLLLLLLLLLLLLLLLLLLLLLLLLLLLY
TLSH T1B8B40184BE22CE40D66217711B3598E70E607C972F0478B663517B9CF1F2AA2DE0F5B6
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) (4504/4/1)
File icon (PE):PE icon
dhash icon 74f0d0c4c4c4c0d4 (2 x RemcosRAT, 1 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
365
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
47f9955f36afbe74f292eb02e47c782f720c9adaaa8e31cf9f82e50c74c3b044.exe
Verdict:
Malicious activity
Analysis date:
2024-04-28 07:39:00 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/ce0e494a-15fc-40d3-8c7b-6efc91fdeed8

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

Behaviour
Creating a file
Creating a process from a recently created file
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit lolbin masquerade nanocore overlay packed shell32 virus
Link:
https://www.filescan.io/uploads/662dfd19c5dabc22b20ac945/reports/8095a916-5baf-4c7c-b4f8-808791f610d8/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/47f9955f36afbe74f292eb02e47c782f720c9adaaa8e31cf9f82e50c74c3b044
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/53a39b3d-98d2-4144-b2a9-81bee73ca97c
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432790
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Encrypted powershell cmdline option found
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Drops script at startup location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Invoke Keyword
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1432790 Sample: SecuriteInfo.com.Script.SNH... Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 13 other signatures 2->57 9 SecuriteInfo.com.Script.SNH-gen.14974.467.exe 7 2->9         started        12 wscript.exe 1 2->12         started        process3 file4 41 C:\Users\user\temp.bat, DOS 9->41 dropped 43 C:\Users\user\start.vbs, ASCII 9->43 dropped 15 wscript.exe 1 9->15         started        79 Wscript starts Powershell (via cmd or directly) 12->79 81 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->81 83 Suspicious execution chain found 12->83 18 cmd.exe 1 12->18         started        signatures5 process6 signatures7 97 Wscript starts Powershell (via cmd or directly) 15->97 99 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->99 101 Suspicious execution chain found 15->101 20 cmd.exe 2 15->20         started        23 powershell.exe 18->23         started        25 conhost.exe 18->25         started        process8 signatures9 59 Suspicious powershell command line found 20->59 61 Wscript starts Powershell (via cmd or directly) 20->61 63 Very long command line found 20->63 69 2 other signatures 20->69 27 powershell.exe 16 20->27         started        31 powershell.exe 15 20->31         started        33 conhost.exe 20->33         started        65 Writes to foreign memory regions 23->65 67 Injects a PE file into a foreign processes 23->67 35 RegAsm.exe 23->35         started        process10 file11 45 C:\Users\user\AppData\Roaming\...\start.vbs, ASCII 27->45 dropped 85 Writes to foreign memory regions 27->85 87 Injects a PE file into a foreign processes 27->87 37 RegAsm.exe 3 27->37         started        47 C:\Users\user\svc.ps1, Unicode 31->47 dropped 89 Drops VBS files to the startup folder 31->89 91 Suspicious execution chain found 31->91 93 Found suspicious powershell code related to unpacking or dynamic code loading 31->93 95 Detected Remcos RAT 35->95 signatures12 process13 dnsIp14 49 172.94.101.172, 6238 AS45671-NET-AUWholesaleServicesProviderAU United States 37->49 71 Contains functionality to bypass UAC (CMSTPLUA) 37->71 73 Detected Remcos RAT 37->73 75 Contains functionalty to change the wallpaper 37->75 77 4 other signatures 37->77 signatures15
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/47f9955f36afbe74f292eb02e47c782f720c9adaaa8e31cf9f82e50c74c3b044
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/47f9955f36afbe74f292eb02e47c782f720c9adaaa8e31cf9f82e50c74c3b044/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Suspicious
First seen:
2024-04-28 06:02:15 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=i74zkxzwv67hj4us5mboi7dyf5zazgw2vkhddt47qlsqy5gdwbca._file
Verdict:
unknown
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/240428-jgyqwsbb8z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Remcos
Malware Config
C2 Extraction:
172.94.101.172:6238
Unpacked files
SH256 hash:
47f9955f36afbe74f292eb02e47c782f720c9adaaa8e31cf9f82e50c74c3b044
MD5 hash:
d5141d80d46fd3df879495cca103caba
SHA1 hash:
a9019fc51e0288916ff8b61d6fbdf9e3b58b65ba
Link:
https://www.unpac.me/results/d2e07ef7-12b7-43a9-8e38-7354fba57f9e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/47f9955f36af/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/47f9955f36afbe74f292eb02e47c782f720c9adaaa8e31cf9f82e50c74c3b044

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NSIS_April_2024
Create hunting rule
Author:NDA0N
Description:Detects NSIS installers
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Web download

RemcosRAT

Executable exe 47f9955f36afbe74f292eb02e47c782f720c9adaaa8e31cf9f82e50c74c3b044

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2829733/
  
Delivery method
Distributed via web download

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
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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