MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5df5e69f38e5fc641a089f213a2791aa1a9d9df801093a6dbd3bfb680c38884c. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments

SHA256 hash: 5df5e69f38e5fc641a089f213a2791aa1a9d9df801093a6dbd3bfb680c38884c
SHA3-384 hash: 50aaa1bbac71615a351d8610a5a1a43e006ec1deeab169df9cec98d3501640b14495a27295641ec448a2bb680de032d3
SHA1 hash: 02220971c2c31549f26dee200024c6cce84a2375
MD5 hash: 12c0f2c2f78e86429d18f146a59dec74
humanhash: mountain-mike-rugby-uncle
File name:009090INVO.exe
Download: download sample
Signature RemcosRAT
File size:213'504 bytes
First seen:2021-01-13 20:06:08 UTC
Last seen:2021-01-13 21:59:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e7da020c2fad0c59a3d5e97971484548 (3 x Formbook, 2 x AgentTesla, 2 x Loki)
ssdeep 6144:Sr1IZDbAQcHAORYANcIc90yJyFjnFrad1uU:W1IZfAPHY0k6FeF
Threatray 1'535 similar samples on MalwareBazaar
TLSH 5F24BFAA72E2C032C0B6027482985B73D67ABD31167480B7FBE89D5E1F70ED0597265F
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: hosted-by.rootlayer.net
Sending IP: 185.222.58.152
From: Valparaiso Direccion <bencalada@asmar.cl>
Reply-To: claritadereck22@gmail.com
Subject: Gracias
Attachment: 009090INVO.PDF.z (contains "009090INVO.exe")

RemcosRAT C2:
72.11.157.241:4445

Intelligence


File Origin
# of uploads :
2
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Unauthorized injection to a recently created process
Setting a keyboard event handler
Sending a custom TCP request
Creating a window
Creating a file in the %AppData% subdirectories
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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 register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2021-01-13 09:24:53 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos rat upx
Behaviour
Creates scheduled task(s)
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetThreadContext
UPX packed file
Remcos
Malware Config
C2 Extraction:
72.11.157.241:4445
Unpacked files
SH256 hash:
5df5e69f38e5fc641a089f213a2791aa1a9d9df801093a6dbd3bfb680c38884c
MD5 hash:
12c0f2c2f78e86429d18f146a59dec74
SHA1 hash:
02220971c2c31549f26dee200024c6cce84a2375
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:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
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:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
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 5df5e69f38e5fc641a089f213a2791aa1a9d9df801093a6dbd3bfb680c38884c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments