MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5feb7f9ad863058e9c223ff48f3bf9ea0a565dfc13ac15d8a79635be5cb82b2. 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: 18


Intelligence 18 IOCs 1 YARA 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5feb7f9ad863058e9c223ff48f3bf9ea0a565dfc13ac15d8a79635be5cb82b2
SHA3-384 hash: ef12d3c55f73c0ce59a1cede0b5c682984dd4a661e3b36ffca48fcc2814d60e5a136b671d1bdd0a81410361da772751c
SHA1 hash: 6c3a4b20de9f0057338d1ca24cec9dc0b5f8a307
MD5 hash: 97cfffbf048cf686fd615a7345a5df14
humanhash: green-july-table-stream
File name:97CFFFBF048CF686FD615A7345A5DF14.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:5'886'976 bytes
First seen:2025-07-13 10:00:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3b9f750f6f20e8aab603fa08522d7388 (1 x RemcosRAT)
ssdeep 49152:4aHGKWYhpRWa3vkYRODdxw6dXF3W1QrL1UDq3P8mlp4DOjhrVKWgNh:4alW0pRWafsRW6OHmrZNrIWU
TLSH T1C656AF9293E8C0A2F0B70670D82987B6AEB17C35D73195CF5294FE1E3A31AC18675727
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon 1671786831336767 (1 x RedLineStealer, 1 x CobaltStrike, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
181.142.211.98:30204

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
181.142.211.98:30204 https://threatfox.abuse.ch/ioc/1556404/

Intelligence

File Origin
# of uploads :
1
# of downloads :
58
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
97CFFFBF048CF686FD615A7345A5DF14.exe
Verdict:
Malicious activity
Analysis date:
2025-07-13 10:02:24 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/e4e4001f-82be-4386-91e7-28de1811911c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/14071/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=687383b9900df8e7f86a5d17
Tags:
shellcode dropper remcos virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Setting a keyboard event handler
Connection attempt to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm crypto cscript evasive expired-cert explorer fingerprint fingerprint infdefaultinstall keylogger lolbin microsoft_visual_cc mshta pcalua purelogs regedit regsvr32 rundll32 runonce scriptrunner smb wscript
Link:
https://www.filescan.io/uploads/687383b5425a30d7acd87acf/reports/d90b0752-c2ef-467b-ae9e-c8dc4aa685fd/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a5feb7f9ad863058e9c223ff48f3bf9ea0a565dfc13ac15d8a79635be5cb82b2
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9129c268-f396-40d8-aab3-072aa873bac0
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1735160
Signature
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
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a5feb7f9ad863058e9c223ff48f3bf9ea0a565dfc13ac15d8a79635be5cb82b2
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable)
Link:
https://app.malva.re/file/97cfffbf048cf686fd615a7345a5df14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a5feb7f9ad863058e9c223ff48f3bf9ea0a565dfc13ac15d8a79635be5cb82b2/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-07-11 01:25:16 UTC
File Type:
PE (Exe)
Extracted files:
501
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ux7lp6nnqyyfr2ocep7ur457t2qkkzo7ye5mcxmkpfrvxzolqkza._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:linea discovery rat
Link:
https://tria.ge/reports/250713-l2awnszms3/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Remcos
Remcos family
Malware Config
C2 Extraction:
usuariofebrero25.dedyn.io:30204
Verdict:
Suspicious
Tags:
Remcos
YARA:
n/a
Link:
https://app.threat.zone/submission/a063edb6-bebf-49c9-bd3d-58d25c14ab8e
Unpacked files
SH256 hash:
a5feb7f9ad863058e9c223ff48f3bf9ea0a565dfc13ac15d8a79635be5cb82b2
MD5 hash:
97cfffbf048cf686fd615a7345a5df14
SHA1 hash:
6c3a4b20de9f0057338d1ca24cec9dc0b5f8a307
Detections:
win_privateloader_a0
Create hunting rule
Link:
https://www.unpac.me/results/a6102ded-ab9e-4d46-9a53-9648e9010f72/
SH256 hash:
8a05af9e58ec35cc8f273189cad9be8e5f99d4997ffc6079efc70c11a08450e4
MD5 hash:
7b32d981e2f7ff8f61e5cbe553c765be
SHA1 hash:
aee49e5637c335350a18390912412d7bdaf18c7b
Link:
https://www.unpac.me/results/a6102ded-ab9e-4d46-9a53-9648e9010f72/
SH256 hash:
8158dc0569972c10056f507cf9e72f4946600ce163c4c659a610480585cd4935
MD5 hash:
dfeea73e421c76deb18d5ca0800dccf2
SHA1 hash:
0497eba0b24d0f4500faad5ae96dbebab9c64608
Link:
https://www.unpac.me/results/a6102ded-ab9e-4d46-9a53-9648e9010f72/
SH256 hash:
86f635bf43a64a267a003260eb9b93ff05799f12de84e9a2f01a02b4dd92afc2
MD5 hash:
350aabf315c387c677bd5b9ce80bf525
SHA1 hash:
fe388ab9f68c0f75ac4140905c3c51087e9254a8
Link:
https://www.unpac.me/results/a6102ded-ab9e-4d46-9a53-9648e9010f72/
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/a5feb7f9ad863058e9c223ff48f3bf9ea0a565dfc13ac15d8a79635be5cb82b2

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:APT_Sandworm_ArguePatch_Apr_2022_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect ArguePatch loader used by Sandworm group for load CaddyWiper
Reference:https://www.welivesecurity.com/2022/04/12/industroyer2-industroyer-reloaded/
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Indicator_MiniDumpWriteDump
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked remcos malware samples.
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:virustotal
Create hunting rule
Author:Tracel
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_privateloader
Create hunting rule
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_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
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.

Cape
Cape
https://www.capesandbox.com/analysis/14071/

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
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::ConvertSidToStringSidW
ADVAPI32.dll::CopySid
ADVAPI32.dll::EqualSid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAccessAllowedAce
ADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CreateRestrictedToken
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetKernelObjectSecurity
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
WINHTTP.dll::WinHttpCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::GetActiveProcessorCount
KERNEL32.dll::GetActiveProcessorGroupCount
ntdll.dll::NtQueryInformationProcess
ntdll.dll::NtQueryInformationThread
ntdll.dll::NtQuerySystemInformation
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::LoadLibraryW
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleMode
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileMappingW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetSystemDirectoryW
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::FindFirstFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::LookupAccountNameW
ADVAPI32.dll::LookupAccountSidW
ADVAPI32.dll::LookupPrivilegeNameW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_CRYPT_APIUses Windows Crypt APICRYPT32.dll::CertDuplicateCertificateContext
ADVAPI32.dll::CryptAcquireContextW
ADVAPI32.dll::CryptCreateHash
ADVAPI32.dll::CryptGetHashParam
ADVAPI32.dll::CryptHashData
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpConnect
WINHTTP.dll::WinHttpGetProxyForUrl
WINHTTP.dll::WinHttpOpen
WINHTTP.dll::WinHttpOpenRequest
WINHTTP.dll::WinHttpQueryDataAvailable
WINHTTP.dll::WinHttpQueryHeaders
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegCreateKeyW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegGetValueW
ADVAPI32.dll::RegLoadKeyW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::ControlService
ADVAPI32.dll::GetServiceDisplayNameW
ADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::OpenServiceW
ADVAPI32.dll::QueryServiceConfigW
ADVAPI32.dll::QueryServiceConfig2W
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowW
USER32.dll::FindWindowExW
USER32.dll::LockWorkStation

Comments