MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec61eb67057660a18fa9d4465b12830c2bbded3234a401dd441176db16176803. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments

SHA256 hash: ec61eb67057660a18fa9d4465b12830c2bbded3234a401dd441176db16176803
SHA3-384 hash: 98ad014082e3e185222f5e8791f5016f66e75e11c747f6f2a21c20ad17d5ba8215244267452994af23a0c10793e3de70
SHA1 hash: 2ffb77203c1fa719e7df160a11fb2462843ed1b5
MD5 hash: 807d184706be5d985443653bab74c2a7
humanhash: princess-king-angel-montana
File name:GST Invoice - No.SKDC2001006133.exe
Download: download sample
Signature RemcosRAT
File size:1'332'736 bytes
First seen:2021-01-08 19:04:33 UTC
Last seen:2021-01-08 20:28:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:eN5s3GblHVZTQfB4M85h6cUUXLX7KSH8br:5EbZT5X37LxE
Threatray 14 similar samples on MalwareBazaar
TLSH 2C556B205211DB19F1A973FA406600F467F8BC07BF15E5BABEA430A60459AC28F7767F
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: skdc-consultants.com
Sending IP: 212.83.46.26
From: M/s.SKDC Consultants Limited <info@skdc-consultants.com>
Subject: GST Invoice SKDC2001006133 Notification
Attachment: GST Invoice - No.SKDC2001006133.rar (contains "GST Invoice - No.SKDC2001006133.exe")

RemcosRAT C2:
212.83.46.26:4023

Intelligence


File Origin
# of uploads :
2
# of downloads :
318
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
GST Invoice - No.SKDC2001006133.exe
Verdict:
Malicious activity
Analysis date:
2021-01-08 19:07:01 UTC
Tags:
rat remcos

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
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Status:
Malicious
First seen:
2021-01-08 15:02:41 UTC
AV detection:
10 of 28 (35.71%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
212.83.46.26:4023
Unpacked files
SH256 hash:
ca4fa8df4c85368d2317cebb9f95d5d4cb4a3c791766c6d3e6e60206713c8b60
MD5 hash:
2fa72a9f5b2c9fd4443f4ddc26d7b632
SHA1 hash:
22a4e09b89ee1a3af11f0ddb36fe78b5d34d189c
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
SH256 hash:
7faa23efac09110c9550380933883779b4d1224f6946e65b64bf6c2819daee02
MD5 hash:
1a5c3b860471074b15d681194f48916e
SHA1 hash:
8b060595d3a4002f90b6ea64276bba2008cdcaf9
SH256 hash:
ec61eb67057660a18fa9d4465b12830c2bbded3234a401dd441176db16176803
MD5 hash:
807d184706be5d985443653bab74c2a7
SHA1 hash:
2ffb77203c1fa719e7df160a11fb2462843ed1b5
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:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Remcos
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Malspam

RemcosRAT

Executable exe ec61eb67057660a18fa9d4465b12830c2bbded3234a401dd441176db16176803

(this sample)

  
Delivery method
Distributed via e-mail attachment

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