MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fd17f9a81b9148e9744c34ac4f8bf0e0ee4858db085a11a3b9ca40e1f252e93. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5fd17f9a81b9148e9744c34ac4f8bf0e0ee4858db085a11a3b9ca40e1f252e93
SHA3-384 hash: 5d72ff3fe27f51ddcf5be7fdbee9327a0557bdebfc6c9a9dfccf6bf28783e4fa546e6b7a878a2093fee68f65acbe5db5
SHA1 hash: 2af65621fb2a461896babbda44df751874b72168
MD5 hash: df198f16d4de04464c99820fe17c4829
humanhash: sixteen-sweet-juliet-mike
File name:5fd17f9a81b9148e9744c34ac4f8bf0e0ee4858db085a11a3b9ca40e1f252e93
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:977'408 bytes
First seen:2025-04-08 08:29:05 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:Xu6J33O0c+JY5UZ+XC0kGso6Faa796r6dWY:xu0c++OCvkGs9FaaJqY
TLSH T10125AE2273DDC360CB669173BF69B7016EBF7C610630B95B2F880D7DA960162162D7A3
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
346
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5fd17f9a81b9148e9744c34ac4f8bf0e0ee4858db085a11a3b9ca40e1f252e93
Verdict:
Suspicious activity
Analysis date:
2025-04-08 12:46:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/454a8b89-dcb2-4e4d-8b22-6182a0f06260

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f4e01fe011fe619fad22d6
Tags:
autorun autoit remcos emotet
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
Launching a process
Сreating synchronization primitives
Connection attempt
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit cmdkey compiled-script evasive fingerprint fingerprint keylogger lolbin microsoft_visual_cc msconfig packed packed packer_detected regedit remcos wscript
Link:
https://www.filescan.io/uploads/67f4de68b070fb3f94606cae/reports/f57bb04a-c6ec-4682-8d39-b03254d4f709/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/5fd17f9a81b9148e9744c34ac4f8bf0e0ee4858db085a11a3b9ca40e1f252e93
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a3fa3fab-d909-43eb-9e1f-8ffe000818fe
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1659649
Signature
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
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
Detected Remcos RAT
Drops VBS files to the startup folder
Found malware configuration
Joe Sandbox ML detected suspicious 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
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1659649 Sample: JG03oZIjyq.exe Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 9 other signatures 2->58 9 JG03oZIjyq.exe 4 2->9         started        13 wscript.exe 1 2->13         started        process3 file4 34 C:\Users\user\AppData\...\tabulations.exe, PE32 9->34 dropped 76 Binary is likely a compiled AutoIt script file 9->76 15 tabulations.exe 2 9->15         started        78 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->78 19 tabulations.exe 1 13->19         started        signatures5 process6 file7 36 C:\Users\user\AppData\...\tabulations.vbs, data 15->36 dropped 40 Multi AV Scanner detection for dropped file 15->40 42 Detected Remcos RAT 15->42 44 Binary is likely a compiled AutoIt script file 15->44 50 2 other signatures 15->50 21 tabulations.exe 1 15->21         started        24 svchost.exe 15->24         started        46 Writes to foreign memory regions 19->46 48 Maps a DLL or memory area into another process 19->48 26 svchost.exe 19->26         started        signatures8 process9 signatures10 60 Detected Remcos RAT 21->60 62 Binary is likely a compiled AutoIt script file 21->62 64 Writes to foreign memory regions 21->64 66 Maps a DLL or memory area into another process 21->66 28 svchost.exe 1 2 21->28         started        68 Contains functionality to detect virtual machines (IN, VMware) 24->68 70 Contains functionality to steal Chrome passwords or cookies 24->70 72 Contains functionality to capture and log keystrokes 24->72 74 3 other signatures 24->74 process11 dnsIp12 38 23.175.50.123, 49702, 49705, 49711 NEUSTYLECA Reserved 28->38 80 System process connects to network (likely due to code injection or exploit) 28->80 82 Detected Remcos RAT 28->82 84 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 28->84 32 conhost.exe 28->32         started        signatures13 process14
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5fd17f9a81b9148e9744c34ac4f8bf0e0ee4858db085a11a3b9ca40e1f252e93
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5fd17f9a81b9148e9744c34ac4f8bf0e0ee4858db085a11a3b9ca40e1f252e93/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-03-26 03:32:38 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l7ix7gubxeki5f2eynfmj6f7byhojbmnwcc2cgr3tssa4hzff2jq._file
Verdict:
malicious
Label(s):
unc_loader_036
Create hunting rule
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host discovery rat
Link:
https://tria.ge/reports/250408-kdveqssjy5/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Remcos
Remcos family
Malware Config
C2 Extraction:
23.175.50.123:5884
Verdict:
Malicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/8243efee-bfac-4386-b70f-f334df68b7db
Unpacked files
SH256 hash:
5fd17f9a81b9148e9744c34ac4f8bf0e0ee4858db085a11a3b9ca40e1f252e93
MD5 hash:
df198f16d4de04464c99820fe17c4829
SHA1 hash:
2af65621fb2a461896babbda44df751874b72168
Link:
https://www.unpac.me/results/ff6b6696-b870-4a6a-a93a-c112583d4d8a/
SH256 hash:
ecfb41ec21c6cfae0ddba8b33b04510a1b39708641f3bd7c6ac1fb14d949f539
MD5 hash:
7585bfb6d6b8d652dda18c0499cdb502
SHA1 hash:
c7e4bae99411dae80edade9eca12605760ab6068
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Remcos
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Link:
https://www.unpac.me/results/ff6b6696-b870-4a6a-a93a-c112583d4d8a/
Parent samples :
5fd17f9a81b9148e9744c34ac4f8bf0e0ee4858db085a11a3b9ca40e1f252e93
5597eea5da92846a234b37dd7bab25d7c35f31d823a5644094a7302e612bec61
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5fd17f9a81b9/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/5fd17f9a81b9148e9744c34ac4f8bf0e0ee4858db085a11a3b9ca40e1f252e93

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:CMD_Ping_Localhost
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Remcos_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:RAT_remcos_strings
Create hunting rule
Author:0x0d4y
Description:This rule detects the remcos through your specific strings.
Reference:Internal Research
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Generic_Threat_994f2330
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

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_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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