MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3114edcd192349ce4a5638983bf46a73b279e4bb2962fe263b32e4ea8465b9a. 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 YARA 26 File information Comments

SHA256 hash: a3114edcd192349ce4a5638983bf46a73b279e4bb2962fe263b32e4ea8465b9a
SHA3-384 hash: 4ed86101d0829de1d9d19a54ffb36e889f2413493b7dda7eb86f7436bd2f86c459e76617823955cc4e6a968f65e7561f
SHA1 hash: cda96590a32fd730311b3bc1100ffd43a07ab9fd
MD5 hash: 8a013ef7253bec06a8571c0dffa627e3
humanhash: snake-lamp-cardinal-november
File name:17443094468d909bbb7ea824fd52d9603fd0988d9f2f5cc9bbf0dd89dde10759b8c5aab15e614.dat-decoded
Download: download sample
Signature RemcosRAT
File size:1'683'456 bytes
First seen:2025-04-10 18:24:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 876cc9767e4af18bcea4e997f02ddd36 (5 x RemcosRAT, 1 x Formbook)
ssdeep 24576:lSTJib6blAXhV324+mLuH8unGw5ajLrhp4q/yTCcUbR3+Tiq1zInG50e:lS3b8h7vuH8uGw5+L4qACBdq1zj
TLSH T1A275CF37725372B2C0BDC5B80E8E869D4C356E3C1AE84546BDFB3B0A5EE6540F46624B
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 c46b2b072313f4ec (5 x RemcosRAT, 1 x MassLogger, 1 x DBatLoader)
Reporter abuse_ch
Tags:base64-decoded exe RemcosRAT


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence


File Origin
# of uploads :
1
# of downloads :
466
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Image Scan Document 14.0.3.zip
Verdict:
Malicious activity
Analysis date:
2025-04-10 11:18:51 UTC
Tags:
rat remcos delphi dbatloader loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
autorun delphi emotet cobalt
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
Setting a keyboard event handler
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Forced shutdown of a system process
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context borland_delphi fingerprint keylogger packed packed packer_detected remcos
Result
Threat name:
Remcos, DBatLoader
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates many large memory junks
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 inject code into remote processes
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
Drops or copies cmd.exe with a different name (likely to bypass HIPS)
Drops PE files to the user root directory
Drops PE files with a suspicious file extension
Found malware configuration
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
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
Sample uses process hollowing technique
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Execution from Suspicious Folder
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)
Tries to steal Mail credentials (via file registry)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1662368 Sample: 17443094468d909bbb7ea824fd5... Startdate: 10/04/2025 Architecture: WINDOWS Score: 100 64 geoplugin.net 2->64 72 Suricata IDS alerts for network traffic 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 10 other signatures 2->78 8 rundll32.exe 3 2->8         started        10 17443094468d909bbb7ea824fd52d9603fd0988d9f2f5cc9bbf0dd89dde10759b8c5aab15e614.dat-decoded.exe 8 2->10         started        14 rundll32.exe 2->14         started        16 3 other processes 2->16 signatures3 process4 file5 18 Rwrpdshk.PIF 4 16 8->18         started        60 C:\Users\user\Links\Rwrpdshk.PIF, PE32 10->60 dropped 110 Contains functionality to bypass UAC (CMSTPLUA) 10->110 112 Detected Remcos RAT 10->112 114 Contains functionalty to change the wallpaper 10->114 116 6 other signatures 10->116 23 cmd.exe 1 10->23         started        25 cmd.exe 1 10->25         started        27 cmd.exe 1 10->27         started        29 Rwrpdshk.PIF 14->29         started        31 Rwrpdshk.PIF 16->31         started        33 Rwrpdshk.PIF 16->33         started        35 Rwrpdshk.PIF 16->35         started        signatures6 process7 dnsIp8 66 196.251.69.136, 3421, 49682, 49683 Web4AfricaZA Seychelles 18->66 68 geoplugin.net 178.237.33.50, 49684, 80 ATOM86-ASATOM86NL Netherlands 18->68 58 C:\ProgramData\yu\logs.dat, data 18->58 dropped 80 Multi AV Scanner detection for dropped file 18->80 82 Detected Remcos RAT 18->82 84 Contains functionalty to change the wallpaper 18->84 94 5 other signatures 18->94 37 recover.exe 1 18->37         started        40 recover.exe 18->40         started        42 recover.exe 18->42         started        52 6 other processes 18->52 86 Uses ping.exe to sleep 23->86 88 Uses schtasks.exe or at.exe to add and modify task schedules 23->88 90 Uses ping.exe to check the status of other devices and networks 23->90 44 esentutl.exe 2 23->44         started        54 3 other processes 23->54 47 PING.EXE 1 25->47         started        50 conhost.exe 25->50         started        56 2 other processes 27->56 92 Allocates many large memory junks 29->92 file9 signatures10 process11 dnsIp12 96 Tries to steal Instant Messenger accounts or passwords 37->96 98 Tries to steal Mail credentials (via file / registry access) 37->98 100 Tries to harvest and steal browser information (history, passwords, etc) 42->100 62 C:\Users\Public\alpha.pif, PE32 44->62 dropped 102 Drops PE files to the user root directory 44->102 104 Drops PE files with a suspicious file extension 44->104 106 Drops or copies cmd.exe with a different name (likely to bypass HIPS) 44->106 70 127.0.0.1 unknown unknown 47->70 108 Tries to steal Mail credentials (via file registry) 52->108 file13 signatures14
Threat name:
Win32.Trojan.DBatLoader
Status:
Malicious
First seen:
2025-04-10 14:27:32 UTC
File Type:
PE (Exe)
Extracted files:
48
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
remcos dbatloader
Similar samples:
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:modiloader collection discovery trojan
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Executes dropped EXE
ModiLoader Second Stage
ModiLoader, DBatLoader
Modiloader family
Verdict:
Suspicious
Tags:
remcos
YARA:
n/a
Unpacked files
SH256 hash:
a3114edcd192349ce4a5638983bf46a73b279e4bb2962fe263b32e4ea8465b9a
MD5 hash:
8a013ef7253bec06a8571c0dffa627e3
SHA1 hash:
cda96590a32fd730311b3bc1100ffd43a07ab9fd
Malware family:
WebBrowserPassView
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BobSoftMiniDelphiBoBBobSoft
Author:malware-lu
Rule name:Borland
Author:malware-lu
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_detect_tls_callbacks
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Remcos_unpacked_PulseIntel
Author:PulseIntel
Description:Remcos Payload
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Typical_Malware_String_Transforms
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
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Windows_Generic_Threat_d7b57912
Author:Elastic Security
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Author:Matthew @ Embee_Research

File information


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

8d909bbb7ea824fd52d9603fd0988d9f2f5cc9bbf0dd89dde10759b8c5aab15e

RemcosRAT

Executable exe a3114edcd192349ce4a5638983bf46a73b279e4bb2962fe263b32e4ea8465b9a

(this sample)

  
Dropped by
SHA256 8d909bbb7ea824fd52d9603fd0988d9f2f5cc9bbf0dd89dde10759b8c5aab15e
  
Dropped by
MD5 48b5471733e5d85f88f3762eede582ae
  
Delivery method
Distributed via web download

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
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
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_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::FindWindowA
user32.dll::PeekMessageA
user32.dll::PeekMessageW
user32.dll::CreateWindowExA

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