MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca7a1bd1d8a5514ec743b1a43663a2a4eacefb4aea8c31ef6cfc682c3f3a69df. 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: 18


Intelligence 18 IOCs 1 YARA 3 File information Comments

SHA256 hash: ca7a1bd1d8a5514ec743b1a43663a2a4eacefb4aea8c31ef6cfc682c3f3a69df
SHA3-384 hash: 87b9fbfec188137b5666757e60b46cbdd7c30e078e2a66c6c89d8595c119f1723449f91703db6156a6fb0c39fb9dd97b
SHA1 hash: 3a25ac418de81da1462807eb0dd6809de0bcd661
MD5 hash: a3cc592c5a10495b57b1854ccc3e8eb1
humanhash: blue-seven-crazy-island
File name:fire32.pp.exe
Download: download sample
Signature RemcosRAT
File size:1'606'098 bytes
First seen:2025-08-22 17:00:11 UTC
Last seen:2025-08-22 18:22:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b729b61eb1515fcf7b3e511e4e66258b (70 x LummaStealer, 16 x Rhadamanthys, 8 x Adware.Generic)
ssdeep 24576:9VDlTZ+PBdgfjKdfkfMNs9dx2Up/tbH//nrDX2Wz2nnGXgxKQecoNPLu20:9x+ifjMfkUWG6hfP3X2WzNw47pZH0
Threatray 918 similar samples on MalwareBazaar
TLSH T1B57501D2F785E9EAE87E5131D9224D502557AC3EC0F45AED21DAB13A94B3283017F82F
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon f2f07171f1b27879 (1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
37.27.128.29:2404

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
37.27.128.29:2404 https://threatfox.abuse.ch/ioc/1572785/

Intelligence


File Origin
# of uploads :
3
# of downloads :
92
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
_ca7a1bd1d8a5514ec743b1a43663a2a4eacefb4aea8c31ef6cfc682c3f3a69df.exe
Verdict:
Malicious activity
Analysis date:
2025-08-22 16:50:07 UTC
Tags:
lumma stealer auto-startup autoit 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:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Searching for the window
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Creating a process from a recently created file
DNS request
Possible injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-19T16:32:00Z UTC
Last seen:
2025-08-19T16:32:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.Autoit.sb Trojan.Win32.Agent.sb HEUR:Trojan.Win32.Autoit.gen HEUR:Trojan.Script.Generic VHO:Backdoor.Win32.Agent.gen Backdoor.Remcos.TCP.C&C Backdoor.Remcos.HTTP.C&C Backdoor.Agent.UDP.C&C
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected CypherIt Packer
Detected Remcos RAT
Drops PE files with a suspicious file extension
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Search for Antivirus process
Suricata IDS alerts for network traffic
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1763145 Sample: fire32.pp.exe Startdate: 22/08/2025 Architecture: WINDOWS Score: 100 49 GFtNhoMXbozDdwB.GFtNhoMXbozDdwB 2->49 51 geoplugin.net 2->51 61 Suricata IDS alerts for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 6 other signatures 2->67 11 fire32.pp.exe 27 2->11         started        14 SecureSync.bat 2->14         started        signatures3 process4 file5 47 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 11->47 dropped 17 cmd.exe 1 11->17         started        71 Detected Remcos RAT 14->71 signatures6 process7 signatures8 57 Detected CypherIt Packer 17->57 59 Drops PE files with a suspicious file extension 17->59 20 cmd.exe 4 17->20         started        23 conhost.exe 17->23         started        process9 file10 41 C:\Users\user\AppData\Local\Temp\...\Pipe.pif, PE32 20->41 dropped 25 Pipe.pif 3 19 20->25         started        30 extrac32.exe 17 20->30         started        32 tasklist.exe 1 20->32         started        34 2 other processes 20->34 process11 dnsIp12 53 37.27.128.29, 2404, 49723 UNINETAZ Iran (ISLAMIC Republic Of) 25->53 55 geoplugin.net 178.237.33.50, 49724, 80 ATOM86-ASATOM86NL Netherlands 25->55 45 C:\Users\user\AppData\...\SecureSync.bat, PE32 25->45 dropped 69 Detected Remcos RAT 25->69 36 cmd.exe 2 25->36         started        file13 signatures14 process15 file16 43 C:\Users\user\AppData\...\SecureSync.url, MS 36->43 dropped 39 conhost.exe 36->39         started        process17
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
AutoIt Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Backdoor.Remcos
Status:
Suspicious
First seen:
2025-08-19 19:31:12 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Enumerates processes with tasklist
Drops startup file
Executes dropped EXE
Loads dropped DLL
Remcos
Remcos family
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
37.27.128.29:2404
Unpacked files
SH256 hash:
ca7a1bd1d8a5514ec743b1a43663a2a4eacefb4aea8c31ef6cfc682c3f3a69df
MD5 hash:
a3cc592c5a10495b57b1854ccc3e8eb1
SHA1 hash:
3a25ac418de81da1462807eb0dd6809de0bcd661
SH256 hash:
bb4fb924885b8d6719cb88e7f231abcbb7c2a1c69be92a12ce7bb56bed9129e3
MD5 hash:
094ae615109634f48bede4a612e36fc8
SHA1 hash:
a8b8cbf4d8a7f368b3ae53090bab40a2793657eb
SH256 hash:
8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af
MD5 hash:
08e9796ca20c5fc5076e3ac05fb5709a
SHA1 hash:
07971d52dcbaa1054060073571ced046347177f7
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: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:Detect_NSIS_Nullsoft_Installer
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Web download

RemcosRAT

Executable exe ca7a1bd1d8a5514ec743b1a43663a2a4eacefb4aea8c31ef6cfc682c3f3a69df

(this sample)

  
Delivery method
Distributed via web download

Comments