MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f48b56e4f61e6ab518d100b332aacd7c21cc7a0f01b63b98ab445fa3fa6638e5. 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: 22


Intelligence 22 IOCs 1 YARA 19 File information Comments

SHA256 hash: f48b56e4f61e6ab518d100b332aacd7c21cc7a0f01b63b98ab445fa3fa6638e5
SHA3-384 hash: 89f9ec95799b127868329cd8e3c361a8b9dc21655e4bcf16d186a0f6f7078df7be6aa4a2289ceb17a0f764b4af508d6c
SHA1 hash: ebea80771e43bb02cd9125ab353bc5f5551f434c
MD5 hash: 44597f322053dcd6804317955cae05f1
humanhash: wyoming-georgia-mirror-gee
File name:f48b56e4f61e6ab518d100b332aacd7c21cc7a0f01b63.exe
Download: download sample
Signature RemcosRAT
File size:506'880 bytes
First seen:2025-12-04 20:10:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 78a3bdf3c5b9bd3972e77fa90dce8f2d (35 x RemcosRAT)
ssdeep 12288:86pxxGI8gvGOHJpAbDYGxLhZ+sPZtXmPFN:86pxxx8U+bDYGxLhZtZ8PF
TLSH T181B4AE01B6D2C1B2D57654300D26E775DEBCBD2028369A7BA3DA0D57FD70180AB39BB2
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
188.127.224.49:1998

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
188.127.224.49:1998 https://threatfox.abuse.ch/ioc/1667776/

Intelligence


File Origin
# of uploads :
1
# of downloads :
129
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Remcos
Details
Remcos
a version number and verbose configuration settings
Malware family:
ID:
1
File name:
f48b56e4f61e6ab518d100b332aacd7c21cc7a0f01b63b98ab445fa3fa6638e5.exe
Verdict:
Malicious activity
Analysis date:
2025-12-04 19:59:56 UTC
Tags:
remcos rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
dropper crypted remcos remo
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd evasive exploit explorer lolbin microsoft_visual_cc packed rat rat remcos remcos rescoms rundll32 windows
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-04T08:44:00Z UTC
Last seen:
2025-12-05T21:20:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Win32.Remcos.gen Backdoor.Win32.Remcos.sb PDM:Trojan.Win32.Generic
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Found malware configuration
Malicious sample detected (through community Yara rule)
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2025-12-04 19:59:57 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:alert discovery
Behaviour
System Location Discovery: System Language Discovery
Malware Config
C2 Extraction:
188.127.224.49:1998
Verdict:
Malicious
Tags:
rat remcos Win.Trojan.Remcos-9841897-0 Remcos
YARA:
malware_windows_remcos_rat REMCOS_RAT_variants Remcos_Payload win_remcos_rat_unpacked Windows_Trojan_Remcos_b296e965 Remcos
Unpacked files
SH256 hash:
f48b56e4f61e6ab518d100b332aacd7c21cc7a0f01b63b98ab445fa3fa6638e5
MD5 hash:
44597f322053dcd6804317955cae05f1
SHA1 hash:
ebea80771e43bb02cd9125ab353bc5f5551f434c
Detections:
win_remcos_w0 win_remcos_auto Remcos
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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: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:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(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.

Comments