MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 caac6296da90bd564851a40bf1df66a2abb7309252d9f37a61536049b05e058d. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: caac6296da90bd564851a40bf1df66a2abb7309252d9f37a61536049b05e058d
SHA3-384 hash: 28b06645d46a7e5a2ff1830a3b8dcb5726ddc7d420fa94ab8b0e757c5b53b60c7a71564f9a6681ce6fbfef13cb6daa63
SHA1 hash: 53e3e8c898d89121498233f7a32a36ef63c9052f
MD5 hash: d8c41c2f0d3b3073e8dd25de2d802346
humanhash: diet-helium-romeo-louisiana
File name:DOC805968FJERU348548RD8484UDEDE848EJDI4DJEI44.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'146'888 bytes
First seen:2025-07-31 07:44:14 UTC
Last seen:2025-08-12 15:04:26 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:H3AQmyZhVuDpjFysIhajUHp8rSCK/zzJ/O6ht1W9qQONuBP:H33my9uljMssi2p8rSphhhTnuBP
Threatray 4'146 similar samples on MalwareBazaar
TLSH T1853501186388C409C6BE4773A4B5E17647B5BE1BF574D36D0AD9BCAF3EB0702184932A
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
dhash icon 19016149490dc400 (2 x Formbook, 2 x RemcosRAT)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
DOC805968FJERU348548RD8484UDEDE848EJDI4DJEI44.bat
Verdict:
Malicious activity
Analysis date:
2025-07-31 07:47:22 UTC
Tags:
rat remcos remote stealer tool mpress auto-sch-xml
Link:
https://app.any.run/tasks/657bcc33-18fa-4c80-9522-513918b951f7

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/17936/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=688b1f22af3050dc8d32a204
Tags:
spawn lien remo sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Launching a service
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap config-extracted evasive expired-cert fingerprint invalid-signature lolbin masquerade msbuild obfuscated packed packed packed rat rat reconnaissance regsvcs remcos remcos rezer0 roboski schtasks signed stego vbc windows
Link:
https://www.filescan.io/uploads/688b1ed517928df64944ba48/reports/88425086-ade9-4a58-894d-5ad5514ced4e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/caac6296da90bd564851a40bf1df66a2abb7309252d9f37a61536049b05e058d
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e9de1d2c-5914-4741-be62-6979f9259aca
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1747626
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
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
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, 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)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1747626 Sample: DOC805968FJERU348548RD8484U... Startdate: 31/07/2025 Architecture: WINDOWS Score: 100 63 ego34.duckdns.org 2->63 65 geoplugin.net 2->65 75 Suricata IDS alerts for network traffic 2->75 77 Found malware configuration 2->77 79 Malicious sample detected (through community Yara rule) 2->79 83 10 other signatures 2->83 8 DOC805968FJERU348548RD8484UDEDE848EJDI4DJEI44.bat.exe 7 2->8         started        12 GGmYAOexACEvZ.exe 5 2->12         started        14 svchost.exe 2->14         started        signatures3 81 Uses dynamic DNS services 63->81 process4 dnsIp5 51 C:\Users\user\AppData\...behaviorgraphGmYAOexACEvZ.exe, PE32 8->51 dropped 53 C:\...behaviorgraphGmYAOexACEvZ.exe:Zone.Identifier, ASCII 8->53 dropped 55 C:\Users\user\AppData\Local\...\tmp9AC8.tmp, XML 8->55 dropped 57 DOC805968FJERU3485...4DJEI44.bat.exe.log, ASCII 8->57 dropped 93 Tries to steal Mail credentials (via file registry) 8->93 95 Uses schtasks.exe or at.exe to add and modify task schedules 8->95 97 Adds a directory exclusion to Windows Defender 8->97 17 DOC805968FJERU348548RD8484UDEDE848EJDI4DJEI44.bat.exe 2 15 8->17         started        22 powershell.exe 23 8->22         started        24 powershell.exe 23 8->24         started        26 schtasks.exe 1 8->26         started        99 Multi AV Scanner detection for dropped file 12->99 101 Contains functionalty to change the wallpaper 12->101 103 Contains functionality to steal Chrome passwords or cookies 12->103 105 3 other signatures 12->105 28 GGmYAOexACEvZ.exe 12->28         started        30 schtasks.exe 12->30         started        67 127.0.0.1 unknown unknown 14->67 file6 signatures7 process8 dnsIp9 59 ego34.duckdns.org 84.38.132.101, 49684, 49685, 5040 DATACLUBLV Latvia 17->59 61 geoplugin.net 178.237.33.50, 49686, 80 ATOM86-ASATOM86NL Netherlands 17->61 49 C:\ProgramData\remcos\logs.dat, data 17->49 dropped 85 Detected Remcos RAT 17->85 87 Maps a DLL or memory area into another process 17->87 89 Installs a global keyboard hook 17->89 32 DOC805968FJERU348548RD8484UDEDE848EJDI4DJEI44.bat.exe 17->32         started        35 DOC805968FJERU348548RD8484UDEDE848EJDI4DJEI44.bat.exe 17->35         started        37 DOC805968FJERU348548RD8484UDEDE848EJDI4DJEI44.bat.exe 2 17->37         started        91 Loading BitLocker PowerShell Module 22->91 39 WmiPrvSE.exe 22->39         started        41 conhost.exe 22->41         started        43 conhost.exe 24->43         started        45 conhost.exe 26->45         started        47 conhost.exe 30->47         started        file10 signatures11 process12 signatures13 69 Tries to steal Instant Messenger accounts or passwords 32->69 71 Tries to steal Mail credentials (via file / registry access) 32->71 73 Tries to harvest and steal browser information (history, passwords, etc) 35->73
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/caac6296da90bd564851a40bf1df66a2abb7309252d9f37a61536049b05e058d
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.24 Win 32 Exe x86
Link:
https://app.malva.re/file/d8c41c2f0d3b3073e8dd25de2d802346
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/caac6296da90bd564851a40bf1df66a2abb7309252d9f37a61536049b05e058d/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-07-31 07:22:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zkwgffw2sc6vmscruqf7dx3gukv3omesklm7g6tbknqetmc6awgq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
remcos
Create hunting rule
Similar samples:
14e491b037d94867f18ba9a1b5feba5bac1ffdc5c9e3034da7fe87432c88fb60
RemcosRAT
30a2111fc32aa43eb5e19bbe6a17b4653387dc46c7b4c90f2b735fd1e58a05a9
RemcosRAT
dc8e0752010c76c6815c5631eb656e8e8f179be1a794c5f6679e5072d6ffe496
RemcosRAT
error
RemcosRAT
f4d28a6634d2e52dbe653765e5a7521d35bd300d180f67fb2cb683c3852802e8
RemcosRAT
+ 4'136 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery execution persistence rat spyware stealer
Link:
https://tria.ge/reports/250731-jkzgladq2w/
Behaviour
Scheduled Task/Job: Scheduled Task
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
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
ego34.duckdns.org:5040
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/21b61680-57fb-4e68-9b07-543378e3c9a8
Unpacked files
SH256 hash:
caac6296da90bd564851a40bf1df66a2abb7309252d9f37a61536049b05e058d
MD5 hash:
d8c41c2f0d3b3073e8dd25de2d802346
SHA1 hash:
53e3e8c898d89121498233f7a32a36ef63c9052f
Link:
https://www.unpac.me/results/b37f044b-38dc-45fc-bd32-3b7ef7a60f5c/
SH256 hash:
853a7942accd9e50a53cafb95c3a7713ae1c45af586b856a834036a72b4c3e72
MD5 hash:
ba6200683abaff0810477f6d05a93d6b
SHA1 hash:
0df7d7f92f1ca0469c649b6d28818205b77864d5
Link:
https://www.unpac.me/results/b37f044b-38dc-45fc-bd32-3b7ef7a60f5c/
SH256 hash:
aecd5eef086a753ced0f77520229a46fd64c29ed07a7f1086e31ce8dfdd1cb12
MD5 hash:
ab07761761e42e817c90cd720e46725a
SHA1 hash:
3b21cf27a34e6d71da59130a87cc3d3840236f1f
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/b37f044b-38dc-45fc-bd32-3b7ef7a60f5c/
SH256 hash:
74cb55e454ad452717231bca389503ff440fa3b01d549c32a0f4cbf99c7a8434
MD5 hash:
14fbb3675005b3d5f6dc2872cc59c572
SHA1 hash:
65df973a77f03d44d51d609af5be9a8dd295bc84
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_EventViewer
Create hunting rule
Link:
https://www.unpac.me/results/b37f044b-38dc-45fc-bd32-3b7ef7a60f5c/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/caac6296da90/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/caac6296da90bd564851a40bf1df66a2abb7309252d9f37a61536049b05e058d

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
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)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe caac6296da90bd564851a40bf1df66a2abb7309252d9f37a61536049b05e058d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/17936/

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