MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9dec841197d75dc8db3078899e755db0be9ead769c72e7587102ddcd3924ae69. 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: 20


Intelligence 20 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9dec841197d75dc8db3078899e755db0be9ead769c72e7587102ddcd3924ae69
SHA3-384 hash: 94f1a2d50599bc2e8a5a488d7d88e31fd07f5a79d730b90d8a802ceb9eab28078cba925a1f258fce6eb01493227c0cc8
SHA1 hash: 987e0e61097d474804d9ac393ae3eedb0e6efd77
MD5 hash: f29edeffafa5a8a68453c36bd18bd231
humanhash: delaware-burger-oxygen-river
File name:17382780642615077b99ff9d89ea583e4d1ec3b998c61362167f7f79fddda74db7b4e60948217.dat-decoded
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:493'056 bytes
First seen:2025-01-30 23:01:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e77512f955eaf60ccff45e02d69234de (138 x RemcosRAT)
ssdeep 12288:r13ak/mBXTG4/1v08KI7ZnMEF76JqmsvZQjS:xak/mBXTV/R0nEF76gFZs
TLSH T112A4BF01BAD2C072D57654300C3AE775DEBCBD21283A897BB3D61D57FD70190A63AAB2
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
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter abuse_ch
Tags:base64-decoded exe RemcosRAT


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence

File Origin
# of uploads :
1
# of downloads :
658
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
17382780642615077b99ff9d89ea583e4d1ec3b998c61362167f7f79fddda74db7b4e60948217.dat-decoded
Verdict:
Malicious activity
Analysis date:
2025-01-30 23:03:36 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/d6f52983-ec6d-4cff-922c-159a41815ec1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

Win.Trojan.Remcos-10002580-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679c05e602140668e2cd6640
Tags:
ransomware dropper remcos sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd config-extracted crypto evasive exploit explorer fingerprint fingerprint keylogger lolbin microsoft_visual_cc packed rat remcos remcos windows
Link:
https://www.filescan.io/uploads/679c04eba2886cdc5ac71eef/reports/a60d2d9f-a34e-4f72-ac88-534e19b2b7bb/overview
Verdict:
Malicious
Labled as:
Remcos.Generic
Link:
https://www.hybrid-analysis.com/sample/9dec841197d75dc8db3078899e755db0be9ead769c72e7587102ddcd3924ae69
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:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9edf70c9-25b4-416e-9a69-9c0ead10f82c
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1603402
Signature
Antivirus / Scanner detection for submitted sample
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
Found malware configuration
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Delete All Scheduled Tasks
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Uses shutdown.exe to shutdown or reboot the system
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1603402 Sample: 17382780642615077b99ff9d89e... Startdate: 31/01/2025 Architecture: WINDOWS Score: 100 44 acttwindows.duckdns.org 2->44 46 geoplugin.net 2->46 52 Suricata IDS alerts for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 60 9 other signatures 2->60 8 17382780642615077b99ff9d89ea583e4d1ec3b998c61362167f7f79fddda74db7b4e60948217.dat-decoded.exe 4 26 2->8         started        signatures3 58 Uses dynamic DNS services 44->58 process4 dnsIp5 48 acttwindows.duckdns.org 181.206.158.190, 2404, 49731, 49734 ColombiaMovilCO Colombia 8->48 50 geoplugin.net 178.237.33.50, 49732, 80 ATOM86-ASATOM86NL Netherlands 8->50 40 C:\Users\user\AppData\Local\...\borrar T.bat, ASCII 8->40 dropped 42 C:\ProgramData\remcos\logs.dat, data 8->42 dropped 62 Contains functionality to bypass UAC (CMSTPLUA) 8->62 64 Detected Remcos RAT 8->64 66 Contains functionalty to change the wallpaper 8->66 68 5 other signatures 8->68 13 cmd.exe 1 8->13         started        16 cmd.exe 1 8->16         started        18 cmd.exe 1 8->18         started        20 7 other processes 8->20 file6 signatures7 process8 signatures9 70 Uses shutdown.exe to shutdown or reboot the system 13->70 72 Uses schtasks.exe or at.exe to add and modify task schedules 13->72 22 conhost.exe 13->22         started        24 conhost.exe 16->24         started        26 schtasks.exe 1 16->26         started        28 conhost.exe 18->28         started        30 shutdown.exe 1 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 20->34         started        36 conhost.exe 20->36         started        38 5 other processes 20->38 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9dec841197d75dc8db3078899e755db0be9ead769c72e7587102ddcd3924ae69
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9dec841197d75dc8db3078899e755db0be9ead769c72e7587102ddcd3924ae69/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-01-30 23:02:05 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=txwiiemx25o4rwzqpcez45k5wc7j5llwtrzoowdralo42ojevzuq._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:ssts discovery
Link:
https://tria.ge/reports/250130-2z33faxlbj/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Malware Config
C2 Extraction:
acttwindows.duckdns.org:2404
Verdict:
Malicious
Tags:
rat remcos Win.Trojan.Remcos-9841897-0
YARA:
malware_windows_remcos_rat REMCOS_RAT_variants Remcos_Payload win_remcos_rat_unpacked Windows_Trojan_Remcos_b296e965 MAL_EXE_Remcos_RAT_Jul_22 Remcos
Link:
https://app.threat.zone/submission/dbef2a00-7827-46eb-8356-ba5fb920e72d
Unpacked files
SH256 hash:
9dec841197d75dc8db3078899e755db0be9ead769c72e7587102ddcd3924ae69
MD5 hash:
f29edeffafa5a8a68453c36bd18bd231
SHA1 hash:
987e0e61097d474804d9ac393ae3eedb0e6efd77
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
Link:
https://www.unpac.me/results/676647a1-4915-490a-b290-4807a93dcd1e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9dec841197d7/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/9dec841197d75dc8db3078899e755db0be9ead769c72e7587102ddcd3924ae69

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: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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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:pe_detect_tls_callbacks
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
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_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.

2615077b99ff9d89ea583e4d1ec3b998c61362167f7f79fddda74db7b4e60948

RemcosRAT

Executable exe 9dec841197d75dc8db3078899e755db0be9ead769c72e7587102ddcd3924ae69

(this sample)

  
Dropped by
SHA256 2615077b99ff9d89ea583e4d1ec3b998c61362167f7f79fddda74db7b4e60948
  
Dropped by
MD5 55120e13d55dfeaea3c0de9944d6143f
  
URLhaus
https://urlhaus.abuse.ch/url/3420609/
  
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
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdipGetImageEncoders
gdiplus.dll::GdipGetImageEncodersSize
gdiplus.dll::GdipAlloc
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringA
WINMM.dll::mciSendStringW
WINMM.dll::PlaySoundW
WINMM.dll::waveInAddBuffer
WINMM.dll::waveInClose
WINMM.dll::waveInOpen
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
SHELL32.dll::ShellExecuteW
URL_MONIKERS_APICan Download & Execute componentsurlmon.dll::URLDownloadToFileW
urlmon.dll::URLOpenBlockingStreamW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
WININET.dll::InternetCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeW
KERNEL32.dll::FindNextVolumeW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleOutputCP
KERNEL32.dll::SetConsoleTextAttribute
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileExW
KERNEL32.dll::MoveFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LookupPrivilegeValueA
KERNEL32.dll::QueryDosDeviceW
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextA
ADVAPI32.dll::CryptGenRandom
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyA
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegCreateKeyW
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegOpenKeyExW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::ChangeServiceConfigW
ADVAPI32.dll::ControlService
ADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::OpenSCManagerA
ADVAPI32.dll::OpenServiceW
ADVAPI32.dll::QueryServiceConfigW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::OpenClipboard
USER32.dll::CreateWindowExA

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