MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cb3ef2e578fdd542b80162fb0141662b7fd1d6b808bcad220c004fe61e3836c. 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: 16


Intelligence 16 IOCs 1 YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4cb3ef2e578fdd542b80162fb0141662b7fd1d6b808bcad220c004fe61e3836c
SHA3-384 hash: ffdf7e26330ff4838d638fc99c1ac3615706d5b8127a4bbebd6093789cf8c7eb0cb42edc1c43c2ffe1d16e62596e9c20
SHA1 hash: 047b5791d8c9dcfe77bb2dc90c3cd420c2146149
MD5 hash: 074c6f65d47c4c952b06aa7998f806a2
humanhash: kansas-fanta-dakota-lemon
File name:Order Acknowledgement 677660 2025-5 Custome.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'599'488 bytes
First seen:2025-06-02 14:00:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5ee676007c779b8dca85ad2f0029f789 (1 x RemcosRAT)
ssdeep 49152:JU9InyVcBq2XQtgE8zet/aWxJZZ7nCojLy:JZnyV+q2XJyDxbZ7Co
Threatray 175 similar samples on MalwareBazaar
TLSH T19A75E125E2A19733D31A3434CC1ED79CBC2979211E16784AAAFB0E5FEE345E1263D0B5
TrID 38.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
28.2% (.EXE) Win64 Executable (generic) (10522/11/4)
12.0% (.EXE) Win32 Executable (generic) (4504/4/1)
5.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon f8d8d0f0c0d0c0c0 (11 x AveMariaRAT, 10 x AgentTesla, 9 x Formbook)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
216.250.249.219:2267

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
216.250.249.219:2267 https://threatfox.abuse.ch/ioc/1538911/

Intelligence

File Origin
# of uploads :
1
# of downloads :
545
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Order Acknowledgement 677660 2025-5 Custome.exe
Verdict:
Malicious activity
Analysis date:
2025-06-02 14:02:26 UTC
Tags:
delphi dbatloader loader auto generic remcos rat stealer mpress
Link:
https://app.any.run/tasks/880843f2-6af6-4583-b22d-919378bcf51b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/6876/
Detection(s):
Win.Trojan.Modiloader-10042434-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=683daf3a8bd5d68a12e3ba91
Tags:
autorun cobalt emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Creating a file in the %temp% directory
Reading critical registry keys
Changing a file
Forced shutdown of a system process
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context borland_delphi fingerprint keylogger masquerade packed packed packer_detected
Link:
https://www.filescan.io/uploads/683daeb5e336a33801e1b58b/reports/5dcf20af-3080-4d87-b3f3-9a22a94a404b/overview
Verdict:
Malicious
Labled as:
TrojanDownloader/ModiLoader.a
Link:
https://www.hybrid-analysis.com/sample/4cb3ef2e578fdd542b80162fb0141662b7fd1d6b808bcad220c004fe61e3836c
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2ba130c4-b580-46f8-8c5e-846b83be47f3
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1704061
Signature
Adds a directory exclusion to Windows Defender
Allocates many large memory junks
Allocates memory in foreign processes
Antivirus detection for dropped file
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Drops PE files with a suspicious file extension
Found evasive API chain checking for user administrative privileges
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found stalling execution ending in API Sleep call
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1704061 Sample: Order Acknowledgement 67766... Startdate: 02/06/2025 Architecture: WINDOWS Score: 100 65 geoplugin.net 2->65 87 Suricata IDS alerts for network traffic 2->87 89 Found malware configuration 2->89 91 Malicious sample detected (through community Yara rule) 2->91 93 16 other signatures 2->93 9 Order Acknowledgement 677660  2025-5  Custome.exe 8 2->9         started        13 rundll32.exe 3 2->13         started        signatures3 process4 file5 63 C:\Users\user\Links\Lzwombrm.PIF, PE32 9->63 dropped 95 Writes to foreign memory regions 9->95 97 Allocates memory in foreign processes 9->97 99 Allocates many large memory junks 9->99 101 2 other signatures 9->101 15 SndVol.exe 10 34 9->15         started        20 cmd.exe 1 9->20         started        22 cmd.exe 1 9->22         started        24 cmd.exe 1 9->24         started        26 Lzwombrm.PIF 13->26         started        signatures6 process7 dnsIp8 67 216.250.249.219, 2267, 49725, 49727 AS-TIERP-19019US United States 15->67 69 geoplugin.net 178.237.33.50, 49730, 80 ATOM86-ASATOM86NL Netherlands 15->69 71 127.0.0.1 unknown unknown 15->71 55 C:\Users\user\AppData\Local\Temp\TH8E4B.tmp, MS-DOS 15->55 dropped 57 C:\Users\user\AppData\Local\Temp\TH8DED.tmp, MS-DOS 15->57 dropped 59 C:\Users\user\AppData\Local\Temp\TH8D8E.tmp, PE32 15->59 dropped 61 9 other malicious files 15->61 dropped 73 Contains functionality to bypass UAC (CMSTPLUA) 15->73 75 Detected Remcos RAT 15->75 77 Attempt to bypass Chrome Application-Bound Encryption 15->77 85 11 other signatures 15->85 28 svchost.exe 1 15->28         started        31 svchost.exe 15->31         started        33 svchost.exe 15->33         started        45 12 other processes 15->45 79 Uses schtasks.exe or at.exe to add and modify task schedules 20->79 35 conhost.exe 20->35         started        37 conhost.exe 22->37         started        39 schtasks.exe 1 22->39         started        41 conhost.exe 24->41         started        81 Multi AV Scanner detection for dropped file 26->81 83 Allocates many large memory junks 26->83 43 SndVol.exe 26->43         started        file9 signatures10 process11 signatures12 103 Tries to steal Instant Messenger accounts or passwords 28->103 105 Tries to steal Mail credentials (via file / registry access) 28->105 107 Tries to harvest and steal browser information (history, passwords, etc) 45->107 109 Loading BitLocker PowerShell Module 45->109 47 conhost.exe 45->47         started        49 conhost.exe 45->49         started        51 msedge.exe 45->51         started        53 WmiPrvSE.exe 45->53         started        process13
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4cb3ef2e578fdd542b80162fb0141662b7fd1d6b808bcad220c004fe61e3836c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4cb3ef2e578fdd542b80162fb0141662b7fd1d6b808bcad220c004fe61e3836c/
Threat name:
Win32.Trojan.DBatLoader
Create hunting rule
Status:
Malicious
First seen:
2025-06-02 14:01:23 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jsz66lsxr7ovik4acyx3afawmk372hllqcf4vurayacp4ypdqnwa._file
Verdict:
malicious
Label(s):
dbatloader
Create hunting rule
Similar samples:
27556cd8c9966eb45852c7a5086899716580db76fd82a7ec828915280466c317
RemcosRAT
540ecfddd158625e0e15030a6bb23a5a8e2f5b33c453a1b6e3915ed724983896
RemcosRAT
91c7aea926f4e2f8ddbdd4a25a19442540d43ff9499b71535f2521224549aa17
RemcosRAT
9f815d092ce88541533b5ea3ecfae952565254a152dc73b9e698a1d9a44b0e05
RemcosRAT
a6e3b57c5e5f02df28cf5ebde170dac4b93533f6f5c3e33d223e95cd2e236bff
RemcosRAT
be3771d8f3893aecc6e6e907bae7bb4e837fce47b000ce7d4c99e47c330b2d3d
RemcosRAT
error
RemcosRAT
+ 165 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader collection credential_access discovery execution stealer trojan
Link:
https://tria.ge/reports/250602-rbpj2atqw6/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Uses browser remote debugging
Detected Nirsoft tools
ModiLoader Second Stage
NirSoft MailPassView
ModiLoader, DBatLoader
Modiloader family
Verdict:
Malicious
Tags:
Win.Trojan.Modiloader-10042434-0
YARA:
n/a
Link:
https://app.threat.zone/submission/0056a4f5-74f1-4a8a-9846-b5477f1d556c
Unpacked files
SH256 hash:
4cb3ef2e578fdd542b80162fb0141662b7fd1d6b808bcad220c004fe61e3836c
MD5 hash:
074c6f65d47c4c952b06aa7998f806a2
SHA1 hash:
047b5791d8c9dcfe77bb2dc90c3cd420c2146149
Link:
https://www.unpac.me/results/c9f10111-528f-4e0b-a1a8-cda59495b321/
Malware family:
WebBrowserPassView
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4cb3ef2e578f/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/4cb3ef2e578fdd542b80162fb0141662b7fd1d6b808bcad220c004fe61e3836c

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:Borland
Create hunting rule
Author:malware-lu
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:DebuggerCheck__RemoteAPI
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: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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Windows_Generic_Threat_d7b57912
Create hunting rule
Author:Elastic Security
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.

Cape
Cape
https://www.capesandbox.com/analysis/6876/

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_TRUST_APIUses Windows Trust APIwintrust.dll::WinVerifyTrust
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::FindWindowA
user32.dll::PeekMessageA
user32.dll::PeekMessageW
user32.dll::CreateWindowExA

Comments