MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52207df335c820318cdaae9991f9a57af0601e9fe99eac755c7bd46b2cba5e25. 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 36 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 52207df335c820318cdaae9991f9a57af0601e9fe99eac755c7bd46b2cba5e25
SHA3-384 hash: 0ba35977aed3f4f2801959161d5749237f3bb77afb0ad1909536bb7ddcd63f8b3fed4db54061dc25d56de6284c7db527
SHA1 hash: a9ade8fb36d7f1ce4b04cb9edef128c79292a02a
MD5 hash: 391bccb83046402ad4884c3eada2b9b2
humanhash: bacon-summer-salami-lake
File name:PM-P-25-1753-(PR-WD25-33).cmd
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'343'488 bytes
First seen:2025-07-22 07:13:39 UTC
Last seen:2025-07-22 07:17:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:D9b0N/F3VD8nX04kbuZxUZJJdPyYfOjoqLtVNxtJbzymQKqq7ZY8OfTLRb:RsRVik4kb0xUZJTA7tVT3imrOrp
Threatray 4'109 similar samples on MalwareBazaar
TLSH T19255336CED480A35C2E85C3D851B416053AAE3F7AE93F84B74F9659E0E1F7C6A603247
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
44
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
PM-P-25-1753-(PR-WD25-33).cmd
Verdict:
Malicious activity
Analysis date:
2025-07-22 07:15:30 UTC
Tags:
remcos rat remote auto-startup stealer auto-reg mpress tool darkcloud upx
Link:
https://app.any.run/tasks/0ec7c4a6-142c-4e1f-833b-c756f0b4fe9d

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/16243/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=687f3a4e84b37dd61ef0859d
Tags:
obfuscate autorun xtreme spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Creating a file in the %temp% directory
Launching a service
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Stealing user critical data
Unauthorized injection to a recently created process
Setting a single autorun event
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/52207df335c820318cdaae9991f9a57af0601e9fe99eac755c7bd46b2cba5e25
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1462faea-5be3-4f6e-9a36-383aeed60047
Result
Threat name:
Remcos, DarkCloud
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1741851
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Command shell drops VBS files
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
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)
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected DarkCloud
Yara detected Generic Dropper
Yara detected Remcos RAT
Yara detected Telegram RAT
Yara detected WebBrowserPassView password recovery tool
Yara Genericmalware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1741851 Sample: PM-P-25-1753-(PR-WD25-33).cmd.exe Startdate: 22/07/2025 Architecture: WINDOWS Score: 100 75 vetreosystems.cam 2->75 77 geoplugin.net 2->77 83 Suricata IDS alerts for network traffic 2->83 85 Found malware configuration 2->85 87 Malicious sample detected (through community Yara rule) 2->87 89 18 other signatures 2->89 10 PM-P-25-1753-(PR-WD25-33).cmd.exe 6 2->10         started        14 wscript.exe 2->14         started        16 wscript.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 file5 69 C:\Users\user\AppData\...\InputBlockSize.exe, PE32 10->69 dropped 71 C:\Users\user\AppData\...\InputBlockSize.vbs, ASCII 10->71 dropped 73 C:\...\InputBlockSize.exe:Zone.Identifier, ASCII 10->73 dropped 133 Command shell drops VBS files 10->133 135 Drops VBS files to the startup folder 10->135 137 Encrypted powershell cmdline option found 10->137 141 3 other signatures 10->141 20 InstallUtil.exe 2 19 10->20         started        25 powershell.exe 25 10->25         started        139 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->139 27 InputBlockSize.exe 14->27         started        29 Target.exe 16->29         started        31 conhost.exe 18->31         started        33 conhost.exe 18->33         started        signatures6 process7 dnsIp8 79 vetreosystems.cam 198.135.49.79, 2490, 49691, 49692 CISCOSYSTEMSUS United States 20->79 81 geoplugin.net 178.237.33.50, 49695, 80 ATOM86-ASATOM86NL Netherlands 20->81 65 C:\Users\user\AppData\Roaming\dwn.exe, PE32 20->65 dropped 67 C:\ProgramData\remcos\logs.dat, data 20->67 dropped 115 Detected Remcos RAT 20->115 117 Tries to steal Mail credentials (via file registry) 20->117 119 Contains functionalty to change the wallpaper 20->119 131 6 other signatures 20->131 35 dwn.exe 20->35         started        39 InstallUtil.exe 1 20->39         started        41 InstallUtil.exe 1 20->41         started        49 2 other processes 20->49 121 Loading BitLocker PowerShell Module 25->121 43 conhost.exe 25->43         started        123 Antivirus detection for dropped file 27->123 125 Multi AV Scanner detection for dropped file 27->125 127 Writes to foreign memory regions 27->127 45 InstallUtil.exe 27->45         started        129 Injects a PE file into a foreign processes 29->129 47 InstallUtil.exe 29->47         started        file9 signatures10 process11 file12 59 C:\Users\user\AppData\Roaming\Target.exe, PE32 35->59 dropped 61 C:\Users\user\AppData\Roaming\...\Target.vbs, ASCII 35->61 dropped 91 Drops VBS files to the startup folder 35->91 93 Encrypted powershell cmdline option found 35->93 95 Writes to foreign memory regions 35->95 97 Injects a PE file into a foreign processes 35->97 51 InstallUtil.exe 35->51         started        55 powershell.exe 35->55         started        99 Tries to steal Instant Messenger accounts or passwords 39->99 101 Detected Remcos RAT 45->101 103 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 47->103 105 Tries to steal Mail credentials (via file / registry access) 47->105 107 Tries to harvest and steal browser information (history, passwords, etc) 47->107 signatures13 process14 file15 63 C:\Users\user\AppData\...\firebricks.exe, PE32 51->63 dropped 109 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 51->109 111 Tries to steal Mail credentials (via file / registry access) 51->111 113 Loading BitLocker PowerShell Module 55->113 57 conhost.exe 55->57         started        signatures16 process17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/52207df335c820318cdaae9991f9a57af0601e9fe99eac755c7bd46b2cba5e25
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.44 Win 32 Exe x86
Link:
https://app.malva.re/file/391bccb83046402ad4884c3eada2b9b2
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/52207df335c820318cdaae9991f9a57af0601e9fe99eac755c7bd46b2cba5e25/
Verdict:
Malicious
Threat:
Backdoor.Win32.Remcos
Link:
https://tip.neiki.dev/file/52207df335c820318cdaae9991f9a57af0601e9fe99eac755c7bd46b2cba5e25
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-07-22 01:03:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kiqh34zvzaqdddg2v2mzd6nfplygahu75gpky5k4ppkgwlf2lysq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
76d0d86d97956a68204c7ab31b3b8f99d446f7dc030e23f80e6c18214cbe2a31
RemcosRAT
7ffe8a4132d889f1f228f07b2dae7bb1c0d84f5df0a77491ca51349af83319af
RemcosRAT
8c9084133b3d9cf46b8f3b9447c38f4e0fe509c299f496ea9a755baaf4aac467
RemcosRAT
c9da21d05843d54922d10a1cb421be65c379e9c21d9b7e0dba5b4c6922ad6739
RemcosRAT
d7dc4d1b725344b2430eb8647f4e5e16120187b0117c7c95d622b9c8f31b57ff
RemcosRAT
error
RemcosRAT
f99d37efd85b8d2dea1cc5f885bc17d86b047f50fb68e79aaf4715cea8f8559e
RemcosRAT
+ 4'099 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery persistence rat
Link:
https://tria.ge/reports/250722-h2svpstrv7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Remcos
Remcos family
Malware Config
C2 Extraction:
vetreosystems.cam:2490
eskom.cc:2490
ccls-co.cam:2490
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3748b794-f330-4f49-858d-1a16344bf9b5
Unpacked files
SH256 hash:
52207df335c820318cdaae9991f9a57af0601e9fe99eac755c7bd46b2cba5e25
MD5 hash:
391bccb83046402ad4884c3eada2b9b2
SHA1 hash:
a9ade8fb36d7f1ce4b04cb9edef128c79292a02a
Link:
https://www.unpac.me/results/33830d1a-5dc7-406b-8f83-55b540690898/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/52207df335c820318cdaae9991f9a57af0601e9fe99eac755c7bd46b2cba5e25

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:DebuggerCheck__API
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: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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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_
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked remcos malware samples.
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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: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.

Malspam

RemcosRAT

Executable exe 52207df335c820318cdaae9991f9a57af0601e9fe99eac755c7bd46b2cba5e25

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/16243/

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