MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 abd56fe04c36d4373ea9cc53efa0aec3bfd626a632c1079581163eaba26a0545. 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: 19


Intelligence 19 IOCs YARA 37 File information Comments

SHA256 hash: abd56fe04c36d4373ea9cc53efa0aec3bfd626a632c1079581163eaba26a0545
SHA3-384 hash: 3ba83372ffcbeeb3acec1845f3e761e14dda79c4d766b480efc0081e5ed1a81b65c41041b7e1b3a267b7bcccae526d97
SHA1 hash: 8ada123c67d245e47e55575c9945677a39921bbd
MD5 hash: 83c05d4eb01c6e90dcd25d427ceb2a14
humanhash: item-colorado-mexico-mike
File name:IMG-2025010-WA001310.cmd.exe
Download: download sample
Signature RemcosRAT
File size:937'480 bytes
First seen:2025-10-27 13:33:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:oQIPpf2KPnHq2Bh+mczjIRHN75FB48GkmR7:PIPpOKPHhh+lwHN1Faym9
TLSH T1B715239452A8E706CAE227F05EB1F13207717E6CA931C21E6EED2DDBB991F105E40357
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 James_inthe_box
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
129
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
IMG-2025010-WA001310.cmd.exe
Verdict:
Malicious activity
Analysis date:
2025-10-27 13:33:38 UTC
Tags:
rat remcos remote stealer auto-sch auto-startup telegram auto-reg xworm mpress tool auto-sch-xml auto generic netreactor ims-api

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
delphi shell sage blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Setting a keyboard event handler
Connection attempt to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Searching for synchronization primitives
Reading critical registry keys
Creating a process from a recently created file
Launching a service
Changing a file
Moving a recently created file
Unauthorized injection to a recently created process
Query of malicious DNS domain
Sending a TCP request to an infection source
Stealing user critical data
Unauthorized injection to a recently created process by context flags manipulation
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature masquerade packed signed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-27T07:28:00Z UTC
Last seen:
2025-10-29T05:50:00Z UTC
Hits:
~100
Detections:
Backdoor.Agent.TCP.C&C Trojan-Dropper.Win32.Agent.sb Trojan.MSIL.Crypt.sb Exploit.Win32.BypassUAC.sb Backdoor.Win32.Remcos.e Trojan.MSIL.Inject.sb HEUR:Trojan.MSIL.Taskun.sb Backdoor.Win32.Remcos.sb Trojan-Dropper.Win32.Injector PDM:Trojan.Win32.Generic Trojan.MSIL.Taskun.sb Backdoor.Win32.Remcos.f Backdoor.Remcos.HTTP.C&C Trojan-Spy.Win32.Xegumumune.sbc HEUR:Trojan-PSW.MSIL.Agensla.gen
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.40 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-10-27 13:32:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:modiloader family:remcos family:xworm botnet:remotehost collection discovery execution persistence rat spyware stealer trojan
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
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
ModiLoader Second Stage
NirSoft MailPassView
NirSoft WebBrowserPassView
Contains code to disable Windows Defender
Detect Xworm Payload
ModiLoader, DBatLoader
Modiloader family
Remcos
Remcos family
Xworm
Xworm family
Malware Config
C2 Extraction:
vestcast.co:2459
hbws.cc:2459
Unpacked files
SH256 hash:
abd56fe04c36d4373ea9cc53efa0aec3bfd626a632c1079581163eaba26a0545
MD5 hash:
83c05d4eb01c6e90dcd25d427ceb2a14
SHA1 hash:
8ada123c67d245e47e55575c9945677a39921bbd
SH256 hash:
b424ed56c2b86137a7e70002de96b346d5eac421adae0330783859488837c54c
MD5 hash:
10158ab54584391feac83c4f9c5e8688
SHA1 hash:
5beb1138b60b8ca8bf553e0a4270d8f0619c675f
Detections:
win_remcos_w0 win_remcos_auto Remcos malware_windows_remcos_rat win_remcos_rat_unpacked INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
SH256 hash:
17f2726879757e925af3edd4ff872acac890f6ec745d7e536596a170c59d16b7
MD5 hash:
ab3c9190796262ec7b51b208011d1bd3
SHA1 hash:
76809347d2eb631814959768ca4070f0fe2f1f2a
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
230a4b334eede78b31b68b845425fa9dc49742fcfc967e6fed4803135a167738
MD5 hash:
fb153dbeb6aa3d6b2cb9da7954967067
SHA1 hash:
9bf4b1fe201980548f33f1f690b54926d0d05d0a
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:nirsoft_v1
Author:RandomMalware
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:TeslaCryptPackedMalware
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.

Comments