MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64d3136fc3cee6e521fe4e2f9b291a86d747da7a657ac0b8e3afdfd607627a6c. 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: 19


Intelligence 19 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64d3136fc3cee6e521fe4e2f9b291a86d747da7a657ac0b8e3afdfd607627a6c
SHA3-384 hash: b1bf0318ac02038235990a3a181fba48cc10eeb2d725d950b1f255a12dd2be6de0b36a2997af7e9c3ca53dd73a32009a
SHA1 hash: 168de059df20b07056fa19c9d52f73b1062b6d45
MD5 hash: a6ce22418512c7abede5f27649562322
humanhash: sierra-mockingbird-grey-early
File name:a6ce22418512c7abede5f27649562322.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:94'208 bytes
First seen:2023-12-05 10:05:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d3a62971944197f0701c7049a9c739d1 (60 x RemcosRAT)
ssdeep 1536:IhhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP66r0:OhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+C
TLSH T12F93D813FA4AD0B2E42591F146426F31CEBCBC3636492173D38FCA41AD79892D416EBE
TrID 33.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
14.0% (.SCR) Windows screen saver (13097/50/3)
11.2% (.EXE) Win64 Executable (generic) (10523/12/4)
7.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 989894b49c9494f0 (43 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
194.147.140.212:2025

Intelligence

File Origin
# of uploads :
1
# of downloads :
416
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
a6ce22418512c7abede5f27649562322.exe
Verdict:
Malicious activity
Analysis date:
2023-12-05 10:07:57 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/fecb2419-50fc-455a-80f2-69f0da11c673

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/462606/
Detection(s):
Win.Malware.Azden-7587127-0
Create hunting rule

Win.Malware.Rescoms-6598304-0
Create hunting rule

Win.Malware.Zusy-6832224-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Setting a keyboard event handler
Creating a window
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm cmd evasive evasive eventvwr explorer fingerprint greyware hook keylogger lolbin remcos remcos shell32
Link:
https://www.filescan.io/uploads/656ef60e3c6ae873fb887ae4/reports/d8cfcabd-5496-410c-b089-e98d9ffee6b6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/64d3136fc3cee6e521fe4e2f9b291a86d747da7a657ac0b8e3afdfd607627a6c
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/aa617d71-43af-4581-b62e-ce9166900a7a
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1353863
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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 modify clipboard data
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
Creates an autostart registry key pointing to binary in C:\Windows
Detected Remcos RAT
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
UAC bypass detected (mscfile / eventvwr.exe)
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1353863 Sample: kgpTxTIGiL.exe Startdate: 05/12/2023 Architecture: WINDOWS Score: 100 50 ascoitaliasasummer.duckdns.org 2->50 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 62 17 other signatures 2->62 9 kgpTxTIGiL.exe 2 5 2->9         started        13 Windows Sessions Pause.exe 1 1 2->13         started        15 Windows Sessions Pause.exe 2 1 2->15         started        17 Windows Sessions Pause.exe 4 2->17         started        signatures3 60 Uses dynamic DNS services 50->60 process4 dnsIp5 46 C:\Windows\...\Windows Sessions Pause.exe, PE32 9->46 dropped 70 Detected Remcos RAT 9->70 72 Contains functionality to detect virtual machines (IN, VMware) 9->72 74 Contains functionality to steal Chrome passwords or cookies 9->74 86 7 other signatures 9->86 20 cmd.exe 1 9->20         started        76 Writes to foreign memory regions 13->76 78 Allocates memory in foreign processes 13->78 80 Injects a PE file into a foreign processes 13->80 23 iexplore.exe 13->23         started        82 UAC bypass detected (mscfile / eventvwr.exe) 15->82 25 eventvwr.exe 15->25         started        27 eventvwr.exe 15->27         started        48 ascoitaliasasummer.duckdns.org 194.147.140.212, 2025, 49740, 49742 PTPEU unknown 17->48 84 Installs a global keyboard hook 17->84 29 iexplore.exe 17->29         started        file6 signatures7 process8 signatures9 64 Uses ping.exe to sleep 20->64 66 Drops executables to the windows directory (C:\Windows) and starts them 20->66 68 Uses ping.exe to check the status of other devices and networks 20->68 31 Windows Sessions Pause.exe 2 1 20->31         started        34 PING.EXE 1 20->34         started        37 conhost.exe 20->37         started        39 mmc.exe 25->39         started        process10 dnsIp11 90 Detected Remcos RAT 31->90 92 Writes to foreign memory regions 31->92 94 Allocates memory in foreign processes 31->94 96 Injects a PE file into a foreign processes 31->96 41 iexplore.exe 31->41         started        52 127.0.0.1 unknown unknown 34->52 43 mmc.exe 6 15 39->43         started        signatures12 process13 signatures14 88 Tries to delay execution (extensive OutputDebugStringW loop) 43->88
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/64d3136fc3cee6e521fe4e2f9b291a86d747da7a657ac0b8e3afdfd607627a6c
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/64d3136fc3cee6e521fe4e2f9b291a86d747da7a657ac0b8e3afdfd607627a6c/
Threat name:
Win32.Backdoor.Rescoms
Create hunting rule
Status:
Malicious
First seen:
2023-11-29 18:32:40 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
36 of 37 (97.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mtjrg36dz3tokip6jyxzwki2q3lupwt2mv5mbohdv7p5mb3cpjwa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:christmas persistence rat
Link:
https://tria.ge/reports/231205-l43dpsad51/
Behaviour
Runs ping.exe
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
ascoitaliasasummer.duckdns.org:2025
Unpacked files
SH256 hash:
64d3136fc3cee6e521fe4e2f9b291a86d747da7a657ac0b8e3afdfd607627a6c
MD5 hash:
a6ce22418512c7abede5f27649562322
SHA1 hash:
168de059df20b07056fa19c9d52f73b1062b6d45
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_g0
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Link:
https://www.unpac.me/results/019e247d-b11a-4499-b86b-73fd35c41c7b/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/64d3136fc3ce/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/64d3136fc3cee6e521fe4e2f9b291a86d747da7a657ac0b8e3afdfd607627a6c

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:CMD_Ping_Localhost
Create hunting rule
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Remcos_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/462606/

Comments