MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 019efe7373d58e57856b8f4757aa1e3a4df202415ea326194ec2a93f04aa2ac8. 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: 13


Intelligence 13 IOCs YARA 10 File information Comments

SHA256 hash: 019efe7373d58e57856b8f4757aa1e3a4df202415ea326194ec2a93f04aa2ac8
SHA3-384 hash: 82a1ba0149da3e6a5d76df396420bf74c8285c027f09e9ece6ea2e4e15948990de50ad151f9fdcc4aeb5250d82f1d172
SHA1 hash: 27892c130128c844142040643de37e4c7092a715
MD5 hash: 346c907243ff30e626f16d66fabf0af1
humanhash: july-zulu-emma-green
File name:346c907243ff30e626f16d66fabf0af1.exe
Download: download sample
Signature RemcosRAT
File size:1'391'416 bytes
First seen:2021-01-11 17:51:07 UTC
Last seen:2021-01-11 19:59:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:qIVtxWQpazeQyCS1B3DXQRZzaJZi30mqbvQBolWF0w9gk+enaVYZ2gjqSmR+II+1:HVtxWQ8eQs1BzXS+Ju0mq8zRVcNisL
Threatray 1'338 similar samples on MalwareBazaar
TLSH 735591A55DF70F61A545E31B27B0F49A127B0F5FFADEB3226B8490989D0B301026BC79
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu:2017 (192.253.246.142)

Intelligence


File Origin
# of uploads :
2
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
346c907243ff30e626f16d66fabf0af1.exe
Verdict:
Malicious activity
Analysis date:
2021-01-11 17:56:43 UTC
Tags:
n/a

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
Launching a process
Sending a UDP request
Adding an access-denied ACE
Creating a file
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Deleting a recently created file
DNS request
Connection attempt
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
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
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Country aware sample found (crashes after keyboard check)
Detected Remcos RAT
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 338168 Sample: xNNE0ckDRc.exe Startdate: 11/01/2021 Architecture: WINDOWS Score: 100 74 swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu 2->74 78 Multi AV Scanner detection for domain / URL 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Detected Remcos RAT 2->82 84 3 other signatures 2->84 12 xNNE0ckDRc.exe 3 2->12         started        15 vlc.exe 2->15         started        17 vlc.exe 2->17         started        signatures3 process4 signatures5 90 Contains functionality to steal Chrome passwords or cookies 12->90 92 Contains functionality to capture and log keystrokes 12->92 94 Contains functionality to inject code into remote processes 12->94 96 Contains functionality to steal Firefox passwords or cookies 12->96 19 xNNE0ckDRc.exe 4 4 12->19         started        22 WerFault.exe 23 9 12->22         started        25 cmd.exe 1 12->25         started        29 2 other processes 12->29 98 Hides threads from debuggers 15->98 27 cmd.exe 15->27         started        process6 dnsIp7 68 C:\Users\user\AppData\Roaming\vlc.exe, PE32 19->68 dropped 70 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 19->70 dropped 31 wscript.exe 1 19->31         started        76 192.168.2.1 unknown unknown 22->76 72 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 22->72 dropped 33 conhost.exe 25->33         started        35 timeout.exe 1 25->35         started        37 conhost.exe 27->37         started        39 timeout.exe 27->39         started        41 conhost.exe 29->41         started        43 conhost.exe 29->43         started        45 timeout.exe 1 29->45         started        47 timeout.exe 1 29->47         started        file8 process9 process10 49 cmd.exe 1 31->49         started        process11 51 vlc.exe 3 49->51         started        54 conhost.exe 49->54         started        signatures12 86 Machine Learning detection for dropped file 51->86 88 Hides threads from debuggers 51->88 56 cmd.exe 51->56         started        58 cmd.exe 51->58         started        process13 process14 60 conhost.exe 56->60         started        62 timeout.exe 56->62         started        64 conhost.exe 58->64         started        66 timeout.exe 58->66         started       
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-01-11 17:52:06 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence rat
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu:2017
Unpacked files
SH256 hash:
019efe7373d58e57856b8f4757aa1e3a4df202415ea326194ec2a93f04aa2ac8
MD5 hash:
346c907243ff30e626f16d66fabf0af1
SHA1 hash:
27892c130128c844142040643de37e4c7092a715
SH256 hash:
96489ea0b38a77209202251fcb4be7370485b052cc0a9a1aeb50bf7dde97c6ae
MD5 hash:
6b6ea818af1dee6e0a4ff1148898dd06
SHA1 hash:
a0502390e966aa42f62c202338b6417527a2883c
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
4ea6ac2d4f74f59c142faa8a35367ab46f2a6996c3595d7810e19f8e63921c69
MD5 hash:
03950f1237a12294cb9386529d2bf541
SHA1 hash:
08e120074ce8717739e0ac557d4ea8c3c8d9a9ca
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:ach_RemcosRAT
Author:abuse.ch
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:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
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
Rule name:win_remcos_g0
Author:Daniel Plohmann <daniel.plohmann<at>fkie.fraunhofer.de>

File information


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

Web download

RemcosRAT

Executable exe 019efe7373d58e57856b8f4757aa1e3a4df202415ea326194ec2a93f04aa2ac8

(this sample)

  
Delivery method
Distributed via web download

Comments