MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0ef4ceb36c6bc5067390aa323ea7908be59da236315e41d0857d3426cfcc2ce1. 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: 0ef4ceb36c6bc5067390aa323ea7908be59da236315e41d0857d3426cfcc2ce1
SHA3-384 hash: 8a3ae1b693b0c963f992636f022b32a0ecb7a92b7ecfdf410316a96002db8fec5414073c94f9d68c97b66d35cb5c3609
SHA1 hash: c1e5852d43578c5a1fe378708bc493c7f59b7d45
MD5 hash: 02fd73f99289b0c40ca3a324c4202ad9
humanhash: fifteen-wolfram-batman-ceiling
File name:0000090900000020.exe
Download: download sample
Signature RemcosRAT
File size:373'760 bytes
First seen:2021-01-19 17:49:49 UTC
Last seen:2021-01-19 19:55:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 43f1b4fb55ffa0f3576d845e7070130e (5 x Loki, 5 x Formbook, 4 x AgentTesla)
ssdeep 3072:cVMrCpB41olCzg2/lwMpO1X/uJypHrnmp:kMrCpB41oGgvwump
Threatray 1'743 similar samples on MalwareBazaar
TLSH A484F2D1F1908C9AED6B49F1BD2BA5302493BE9C54A4410C569EBB1B76F3342309FE1E
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: hosted-by.rootlayer.net
Sending IP: 45.137.22.52
From: maxguibani@gmail.com
Subject: INVOICE
Attachment: 0000090900000020.pdf.xz (contains "0000090900000020.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0000090900000020.exe
Verdict:
Malicious activity
Analysis date:
2021-01-19 17:50:28 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
Creating a file in the %temp% subdirectories
Creating a file
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a recently created process
Launching a process
Creating a window
Setting a keyboard event handler
Sending a custom TCP request
Sending a UDP request
Creating a file in the %AppData% subdirectories
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
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
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 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.Rescoms
Status:
Malicious
First seen:
2021-01-19 15:04:21 UTC
AV detection:
20 of 28 (71.43%)
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 FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetThreadContext
Remcos
Unpacked files
SH256 hash:
19cbe3b0e35b69af0934e13cbd98613d524e4ba16816e01ede39d55ea46becf7
MD5 hash:
676218fb77049315a99f24c4133711ef
SHA1 hash:
edc91270d6f9b16e509fa2c47c339bd86330875e
SH256 hash:
01444d6700f721959d2bba837ab3cd4d427f244b4f26afae188bc71483a0c56f
MD5 hash:
c5fd8c7aafdd28dd70e6c826336bc76d
SHA1 hash:
9ef23b729b73f77dc3329e8b35b9c9bc5990ba5b
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
0ef4ceb36c6bc5067390aa323ea7908be59da236315e41d0857d3426cfcc2ce1
MD5 hash:
02fd73f99289b0c40ca3a324c4202ad9
SHA1 hash:
c1e5852d43578c5a1fe378708bc493c7f59b7d45
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_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
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: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 0ef4ceb36c6bc5067390aa323ea7908be59da236315e41d0857d3426cfcc2ce1

(this sample)

  
Delivery method
Distributed via e-mail attachment

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