MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad4a430f1f3e0b8e1eb39b2849579399b68ff86becda93968bb7e5952603346d. 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 20 File information Comments

SHA256 hash: ad4a430f1f3e0b8e1eb39b2849579399b68ff86becda93968bb7e5952603346d
SHA3-384 hash: e7daf0e0fab1ff211a8cf4918388cdaa25ea033b845a4124208ef616dc7cafb747bc539df37204acc91e0416168007bf
SHA1 hash: 6964856135ccfe62cfb979a499cca64e876d47cf
MD5 hash: feb1786290f6eb4d1bfc64da6308047e
humanhash: avocado-artist-network-december
File name:feb1786290f6eb4d1bfc64da6308047e.exe
Download: download sample
Signature RemcosRAT
File size:1'702'912 bytes
First seen:2025-03-04 10:15:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 848cae42e7a8671bb266eca00d0dc6a3 (2 x RemcosRAT, 1 x njrat, 1 x AgentTesla)
ssdeep 24576:Zw6RVrLhf605zKva5sl0DHCY89lcklm9NBnXKduW/+UGxF1+bdZ+IVVTlg3DC5ph:ZnZQXl0DiYEbYrXKdh/tGxFYucbQpZs
Threatray 498 similar samples on MalwareBazaar
TLSH T1F175D062F2C04532D3126DF98F26C392763A7E202DD0F78766D3BE489AF45482F3A556
TrID 88.3% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
7.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
1.3% (.EXE) Win64 Executable (generic) (10522/11/4)
0.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 300e115c2a2a0530 (2 x RemcosRAT, 1 x DBatLoader, 1 x XWorm)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
198.44.134.4:52682

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
198.44.134.4:52682 https://threatfox.abuse.ch/ioc/1437383/

Intelligence


File Origin
# of uploads :
1
# of downloads :
557
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
feb1786290f6eb4d1bfc64da6308047e.exe
Verdict:
Malicious activity
Analysis date:
2025-03-04 10:29:48 UTC
Tags:
delphi dbatloader loader rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
delphi cobalt emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file
Running batch commands
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context borland_delphi dbatloader fingerprint keylogger modiloader obfuscated packed packed packer_detected redcap
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
DBatLoader, Remcos
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates many large memory junks
Allocates memory in foreign processes
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
Delayed program exit found
Drops PE files with a suspicious file extension
Early bird code injection technique detected
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Execution from Suspicious Folder
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Suspicious Creation with Colorcpl
Suricata IDS alerts for network traffic
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1629074 Sample: BvaNMy57Ra.exe Startdate: 04/03/2025 Architecture: WINDOWS Score: 100 40 194.187.251.115 M247GB United Kingdom 2->40 42 89.238.150.43 M247GB United Kingdom 2->42 44 3 other IPs or domains 2->44 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 10 other signatures 2->60 8 BvaNMy57Ra.exe 1 7 2->8         started        12 Qwhgjaec.PIF 2->12         started        14 Qwhgjaec.PIF 2->14         started        signatures3 process4 file5 32 C:\Users\Public\Libraries\Qwhgjaec.PIF, PE32 8->32 dropped 34 C:\Users\Public\Qwhgjaec.url, MS 8->34 dropped 62 Early bird code injection technique detected 8->62 64 Drops PE files with a suspicious file extension 8->64 66 Allocates memory in foreign processes 8->66 72 2 other signatures 8->72 16 colorcpl.exe 4 13 8->16         started        20 cmd.exe 3 8->20         started        22 cmd.exe 1 8->22         started        68 Multi AV Scanner detection for dropped file 12->68 70 Allocates many large memory junks 12->70 24 colorcpl.exe 12->24         started        26 colorcpl.exe 14->26         started        signatures6 process7 dnsIp8 36 198.44.134.4, 49704, 52682 TZULOUS United States 16->36 38 geoplugin.net 178.237.33.50, 49705, 80 ATOM86-ASATOM86NL Netherlands 16->38 46 Contains functionality to bypass UAC (CMSTPLUA) 16->46 48 Contains functionalty to change the wallpaper 16->48 50 Contains functionality to steal Chrome passwords or cookies 16->50 52 3 other signatures 16->52 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        signatures9 process10
Threat name:
Win32.Trojan.DBatLoader
Status:
Malicious
First seen:
2025-02-27 01:34:50 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:remotehost(vpn) discovery persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
ModiLoader, DBatLoader
Modiloader family
Remcos
Remcos family
Malware Config
C2 Extraction:
198.44.134.4:52682
89.238.150.43:52682
192.30.89.67:52682
194.187.251.115:52682
79.142.69.160:52682
Verdict:
Malicious
Tags:
Win.Trojan.Modiloader-10042434-0 remcos
YARA:
n/a
Unpacked files
SH256 hash:
ad4a430f1f3e0b8e1eb39b2849579399b68ff86becda93968bb7e5952603346d
MD5 hash:
feb1786290f6eb4d1bfc64da6308047e
SHA1 hash:
6964856135ccfe62cfb979a499cca64e876d47cf
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
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: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.

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::GetFileAttributesA
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::EmptyClipboard
user32.dll::FindWindowA
user32.dll::OpenClipboard
user32.dll::PeekMessageA

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