MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca763bc6524433635d6e783c01d6eaac6e7afcefab82124d0fd98715e1d982cc. 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 1 YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca763bc6524433635d6e783c01d6eaac6e7afcefab82124d0fd98715e1d982cc
SHA3-384 hash: a8992f2f6891e527aa878b60dd00dc75b2ca8d443cf068c56ecec78f5ef0095e05842e71df76298299f3d3319a9ca72b
SHA1 hash: 414dbb3f924356974460d25373b85deea5947b7a
MD5 hash: 57449a492a9d151e4da142bd9d50e17c
humanhash: april-undress-kilo-delta
File name:RD2025FUHCHUG1.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'183'232 bytes
First seen:2025-02-27 01:20:18 UTC
Last seen:2025-02-27 01:35:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:jPeS0iYS/i29sZZ4rigVLfu2S+/22g8rGNWbiwiK6:jeS0/2iZZsiKu2z/2t8rWW1y
Threatray 463 similar samples on MalwareBazaar
TLSH T1D345F194C644C502CD5D4B7990B2ED3443BBBDA6B9B4E34E9ACCBDEB39B37920422057
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon 0307612c88000000 (65 x AgentTesla, 47 x RemcosRAT, 9 x MassLogger)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
195.211.191.39:1987

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
195.211.191.39:1987 https://threatfox.abuse.ch/ioc/1436708/

Intelligence

File Origin
# of uploads :
2
# of downloads :
571
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
RD2025FUHCHUG1.exe
Verdict:
Malicious activity
Analysis date:
2025-02-27 01:21:58 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/9aaeb691-63c9-43e3-a1f7-81953cfefd83

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.15306.14905.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bfbedda0fd713c335d1f1c
Tags:
redline crypted msil remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Searching for synchronization primitives
Creating a window
Launching a service
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Setting a keyboard event handler
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ca763bc6524433635d6e783c01d6eaac6e7afcefab82124d0fd98715e1d982cc
Result
Verdict:
SUSPICIOUS
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/0fe3d777-90cf-4868-b1d6-0a1127e0aa45
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1625316
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1625316 Sample: RD2025FUHCHUG1.exe Startdate: 27/02/2025 Architecture: WINDOWS Score: 100 49 geoplugin.net 2->49 61 Suricata IDS alerts for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 10 other signatures 2->67 8 RD2025FUHCHUG1.exe 11 7 2->8         started        12 LvwNfmDGoJGLvD.exe 2->12         started        signatures3 process4 file5 39 C:\Users\user\AppData\...\LvwNfmDGoJGLvD.exe, PE32 8->39 dropped 41 C:\...\LvwNfmDGoJGLvD.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmpF90B.tmp, XML 8->43 dropped 45 C:\Users\user\...\RD2025FUHCHUG1.exe.log, ASCII 8->45 dropped 69 Uses schtasks.exe or at.exe to add and modify task schedules 8->69 71 Adds a directory exclusion to Windows Defender 8->71 73 Injects a PE file into a foreign processes 8->73 14 RD2025FUHCHUG1.exe 4 15 8->14         started        19 powershell.exe 23 8->19         started        21 powershell.exe 23 8->21         started        23 schtasks.exe 1 8->23         started        75 Multi AV Scanner detection for dropped file 12->75 77 Contains functionality to bypass UAC (CMSTPLUA) 12->77 79 Contains functionalty to change the wallpaper 12->79 81 3 other signatures 12->81 25 LvwNfmDGoJGLvD.exe 12->25         started        27 schtasks.exe 12->27         started        signatures6 process7 dnsIp8 51 195.211.191.39, 1987, 49709 PITLINE-ASUA Ukraine 14->51 53 geoplugin.net 178.237.33.50, 49710, 80 ATOM86-ASATOM86NL Netherlands 14->53 47 C:\ProgramData\remcos\logs.dat, data 14->47 dropped 55 Detected Remcos RAT 14->55 57 Installs a global keyboard hook 14->57 59 Loading BitLocker PowerShell Module 19->59 29 conhost.exe 19->29         started        31 WmiPrvSE.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        37 conhost.exe 27->37         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ca763bc6524433635d6e783c01d6eaac6e7afcefab82124d0fd98715e1d982cc
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca763bc6524433635d6e783c01d6eaac6e7afcefab82124d0fd98715e1d982cc/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Suspicious
First seen:
2025-02-26 20:47:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zj3dxrssiqzwgxlopa6advxkvrxhv7hpvobbetip3gdrlyozqlga._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04
RemcosRAT
b25e19cd5dc45047c4ad68fbe940dd1f923800201666adf9164ec5fe5d74f6e4
RemcosRAT
b58a7d4bb391ebe2243a86ea92641445e98a4da3e51abf3d2c905fb8ac0dd9dd
RemcosRAT
d3626bd96d6a11668a6864a514fa77ebb3372a5f88069b4aba668b773e3d6946
RemcosRAT
error
RemcosRAT
f5147495983f1e0eb0d595bcced8d5fceedfef286909fe6f213760c0742493ac
RemcosRAT
f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5
RemcosRAT
+ 453 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:class discovery execution rat
Link:
https://tria.ge/reports/250227-bqtvaszry5/
Behaviour
Checks processor information in registry
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
195.211.191.39:1987
Verdict:
Malicious
Tags:
remcos
YARA:
n/a
Link:
https://app.threat.zone/submission/1c4e79b4-711a-48e2-a035-38aae4cfd3d6
Unpacked files
SH256 hash:
ca763bc6524433635d6e783c01d6eaac6e7afcefab82124d0fd98715e1d982cc
MD5 hash:
57449a492a9d151e4da142bd9d50e17c
SHA1 hash:
414dbb3f924356974460d25373b85deea5947b7a
Link:
https://www.unpac.me/results/a1090731-ff56-405a-93b3-8de33dfbccd2/
SH256 hash:
be8288c8a60a9e2dfe0959bbd5784d60375717130bc22d5ee02c09b50fb580d1
MD5 hash:
a590e3187e8da173a39fa29e32b24141
SHA1 hash:
39eecb5e49840054ddf68e64855ceaa0897203d6
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/a1090731-ff56-405a-93b3-8de33dfbccd2/
SH256 hash:
4123b4e55b9546474daa0bb94ac30af8d22889620e649dc89262de6aa0a19814
MD5 hash:
3d3cfd7a5948a91987f520d034ac1b02
SHA1 hash:
90f5485f5b06961326843c1b0897ec12e2df2e27
Detections:
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/a1090731-ff56-405a-93b3-8de33dfbccd2/
Parent samples :
ca763bc6524433635d6e783c01d6eaac6e7afcefab82124d0fd98715e1d982cc
b2ad15205bc0385eacc9412fbc35639de0d5ecce1b045770cbcc584b41371c0d
SH256 hash:
4020cd9f017ae7fdff9e7e9d134039ddf767accecb5f75d4ec129b831bf9fe11
MD5 hash:
6ba807815ebfd71477a410f8fa85532b
SHA1 hash:
c077ca1fc4b626fd408113fab8eabbf9509db08d
Link:
https://www.unpac.me/results/a1090731-ff56-405a-93b3-8de33dfbccd2/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ca763bc65244/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/ca763bc6524433635d6e783c01d6eaac6e7afcefab82124d0fd98715e1d982cc

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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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:Lumma_Stealer_Detection
Create hunting rule
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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_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.

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 (GUARD_CF)high

Comments