MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3f5748e7efd5d8d4a483bbfa3cc86a92f2bc6fab7f06b984ddf7d87ce33f4dd. 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 28 File information Comments

SHA256 hash: d3f5748e7efd5d8d4a483bbfa3cc86a92f2bc6fab7f06b984ddf7d87ce33f4dd
SHA3-384 hash: 64ebeda21502ab4136d0b3f79d1c1e6f65071d99715474c1eb30182979901ba45aa7a7ab1cd04fce8fe9b03eefbb02ff
SHA1 hash: 6792908c22000192b569238166e3e2ed742f0e32
MD5 hash: 8e65cf09f629a4d2a0cec4e5fa007ee6
humanhash: mobile-single-mirror-romeo
File name:d3f5748e7efd5d8d4a483bbfa3cc86a92f2bc6fab7f06b984ddf7d87ce33f4dd
Download: download sample
Signature RemcosRAT
File size:1'344'000 bytes
First seen:2025-09-05 12:40:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 91d07a5e22681e70764519ae943a5883 (93 x Formbook, 14 x RemcosRAT, 11 x AgentTesla)
ssdeep 24576:ftb20pkaCqT5TBWgNQ7aEjLHA3Do+j/Z8ML/kiS/iWr6A:cVg5tQ7aEjX+l8ML/kiSqI5
Threatray 2'735 similar samples on MalwareBazaar
TLSH T17255D01363DD8361C7725273BA25BB01BEBF782506A5F96B2FD40D7DB820122521EA73
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 adrian__luca
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
64
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d3f5748e7efd5d8d4a483bbfa3cc86a92f2bc6fab7f06b984ddf7d87ce33f4dd
Verdict:
No threats detected
Analysis date:
2025-09-05 16:07:31 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Connection attempt to an infection source
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc nymeria obfuscated packed packed packer_detected
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-15T11:32:00Z UTC
Last seen:
2025-08-15T11:32:00Z UTC
Hits:
~100
Gathering data
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-08-15 06:12:47 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
28 of 36 (77.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Remcos
Remcos family
Malware Config
C2 Extraction:
216.9.224.88:15403
216.9.224.88:15402
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d3f5748e7efd5d8d4a483bbfa3cc86a92f2bc6fab7f06b984ddf7d87ce33f4dd
MD5 hash:
8e65cf09f629a4d2a0cec4e5fa007ee6
SHA1 hash:
6792908c22000192b569238166e3e2ed742f0e32
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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_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_
Author:Michelle Khalil
Description:This rule detects unpacked remcos malware samples.
Rule name:REMCOS_RAT_variants
Rule name:Remcos_unpacked_PulseIntel
Author:PulseIntel
Description:Remcos Payload
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:YahLover
Author:Kevin Falcoz
Description:YahLover
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