MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d18283ed1cb2d7e7bd78e87821b3aa2f2ea64b01e28736098a3922fea61fe71. 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 7 File information Comments

SHA256 hash: 5d18283ed1cb2d7e7bd78e87821b3aa2f2ea64b01e28736098a3922fea61fe71
SHA3-384 hash: 57379c6b706ddbee074b153acd67a761bfbb595a75e0aaeede463a49c5729906d0373efae1b4260a5121023000e9a6c7
SHA1 hash: 99dbc59464aac2260b46f3d3dfd6cbaac0dd3bbb
MD5 hash: c615c0190a56b52735589ac7bc9a6f9a
humanhash: bravo-one-utah-mango
File name:Cotización de factura.exe
Download: download sample
Signature RemcosRAT
File size:179'712 bytes
First seen:2021-01-12 18:13:45 UTC
Last seen:2021-01-12 19:48:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9b62b0722ac75232134d66c7d9d312c1 (3 x Formbook, 1 x NetWire, 1 x RemcosRAT)
ssdeep 3072:a0KFl3tSuXmvN4bTIQiguaWA62ZszZnI9dDRJgCcsBeQDHoE4QbqvHCiu:a9hS4mVMGBPwWnITDRJgtsBDLDmu
Threatray 1'352 similar samples on MalwareBazaar
TLSH 7C04C08DF6524034D4E232F857A55B33D936ED643660249AFB9CBCB343BB982B45A40F
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

From: r.abouldahab@emis-int.com
Subject: Cotización de factura
Attachment: Cotización de factura.pdf.z (contains "Cotización de factura.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Cotización de factura.exe
Verdict:
Malicious activity
Analysis date:
2021-01-12 18:54:04 UTC
Tags:
trojan rat remcos

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

Behaviour
Running batch commands
Creating a process with a hidden window
Setting a keyboard event handler
Sending a custom TCP request
Launching a process
Sending a UDP request
Creating a process from a recently created file
Creating a file in the %temp% subdirectories
Creating a file in the %temp% directory
Unauthorized injection to a recently created process by context flags manipulation
Creating a file in the %AppData% subdirectories
Enabling autorun by creating a file
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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
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:
2021-01-12 18:14:14 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
45.137.22.52:8780
Unpacked files
SH256 hash:
5d18283ed1cb2d7e7bd78e87821b3aa2f2ea64b01e28736098a3922fea61fe71
MD5 hash:
c615c0190a56b52735589ac7bc9a6f9a
SHA1 hash:
99dbc59464aac2260b46f3d3dfd6cbaac0dd3bbb
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 5d18283ed1cb2d7e7bd78e87821b3aa2f2ea64b01e28736098a3922fea61fe71

(this sample)

  
Delivery method
Distributed via e-mail attachment

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