MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86c9b8f7003a77106c1746a855da645783d6ed30fffa45350554ab2edd0e1290. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 86c9b8f7003a77106c1746a855da645783d6ed30fffa45350554ab2edd0e1290
SHA3-384 hash: 8113fe6eb08de83ab454b489762512cdb07a611403df394e376ed72375d0a6c573bd8ab3ad923380066025449eb61b6e
SHA1 hash: 3f8553a2bfeac57bb76cb4e2050d3aa7fa0a111a
MD5 hash: 75288df36386c8ce9ad16ff78d6cf3ca
humanhash: high-cold-yellow-maryland
File name:75288df36386c8ce9ad16ff78d6cf3ca.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'366'296 bytes
First seen:2021-01-13 07:05:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:VkzV6Km6p/Yq9HoilqIl1Mhd5WGUwudp/m2s5pUcaCZctv0Zv77tuU20bsMlYyRC:VkcdsI4qIl1S6
Threatray 1'357 similar samples on MalwareBazaar
TLSH 79551C40BEAB62083DF948F0BD5EC74A313DBAF4EA50AC499654581E14BB719F8FBC14
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AEW.exe
Verdict:
Malicious activity
Analysis date:
2021-01-13 02:27:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8546f62a-b7a7-47a6-b76c-6a4a3b9e3bf6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/111685/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.503.5144.17017.UNOFFICIAL
Create hunting rule

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 in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/579985
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
Injects a PE file into a foreign processes
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
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 339037 Sample: sAeZoTKFzE.exe Startdate: 13/01/2021 Architecture: WINDOWS Score: 100 73 swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Multi AV Scanner detection for submitted file 2->77 79 Detected Remcos RAT 2->79 81 3 other signatures 2->81 12 sAeZoTKFzE.exe 3 2->12         started        15 vlc.exe 2->15         started        signatures3 process4 signatures5 83 Contains functionality to steal Chrome passwords or cookies 12->83 85 Contains functionality to capture and log keystrokes 12->85 87 Contains functionality to inject code into remote processes 12->87 89 Contains functionality to steal Firefox passwords or cookies 12->89 17 sAeZoTKFzE.exe 4 4 12->17         started        20 WerFault.exe 23 9 12->20         started        22 cmd.exe 1 12->22         started        26 2 other processes 12->26 91 Hides threads from debuggers 15->91 93 Injects a PE file into a foreign processes 15->93 24 cmd.exe 15->24         started        process6 file7 67 C:\Users\user\AppData\Roaming\vlc.exe, PE32 17->67 dropped 69 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 17->69 dropped 28 wscript.exe 1 17->28         started        71 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 20->71 dropped 30 conhost.exe 22->30         started        32 timeout.exe 1 22->32         started        34 conhost.exe 26->34         started        36 conhost.exe 26->36         started        38 timeout.exe 1 26->38         started        40 timeout.exe 1 26->40         started        process8 process9 42 cmd.exe 1 28->42         started        process10 44 vlc.exe 3 42->44         started        47 conhost.exe 42->47         started        signatures11 95 Multi AV Scanner detection for dropped file 44->95 97 Machine Learning detection for dropped file 44->97 99 Hides threads from debuggers 44->99 101 Injects a PE file into a foreign processes 44->101 49 cmd.exe 1 44->49         started        51 cmd.exe 44->51         started        53 cmd.exe 44->53         started        process12 process13 55 conhost.exe 49->55         started        57 timeout.exe 1 49->57         started        59 conhost.exe 51->59         started        61 timeout.exe 51->61         started        63 conhost.exe 53->63         started        65 timeout.exe 53->65         started       
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/86c9b8f7003a77106c1746a855da645783d6ed30fffa45350554ab2edd0e1290/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q3e3r5yahj3ra3axi2uflwtek6b5n3jq775eknifksvs5xiockia._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
11b16ba733f2f4f10ac58021eecaf5668551a73e2a1acfae99745c50bfccbb44
RemcosRAT
21691425c52cf7a77c0e3a65cc1c0c59cb026d5b76e78160ebb8a553f9bbe50c
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
4a94b062dbb9df940520146d100df5b019795d0f508d7ba89d24eb18725e1608
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
61d9f4cbc76b7889d7d17d262b63c0fd2ee40642653063b1eb6ab84397f8c57b
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
RemcosRAT
9930543939f97818319ed031530d9e084994331aa4b06a304faeb321bbcc63db
RemcosRAT
d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2
RemcosRAT
e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
RemcosRAT
+ 1'347 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210113-29plnkg1an/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
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:
86c9b8f7003a77106c1746a855da645783d6ed30fffa45350554ab2edd0e1290
MD5 hash:
75288df36386c8ce9ad16ff78d6cf3ca
SHA1 hash:
3f8553a2bfeac57bb76cb4e2050d3aa7fa0a111a
Link:
https://www.unpac.me/results/38715d4a-c44b-41d8-a88f-29c6b780fcfa/
SH256 hash:
01fb4ea73d5c0afd750896fddff2feb85321ba4b5f366e15be9f7416e54f504d
MD5 hash:
9babd0aa91a226c4415eb7850123b981
SHA1 hash:
8f48de17d33a081a2f5d4f9b53cd66c049ce5afa
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/38715d4a-c44b-41d8-a88f-29c6b780fcfa/
SH256 hash:
4c28f4c3b08e4f6a973dc98c1377f7015c3d9558f381310780d3439343c8eb4e
MD5 hash:
e949204713c5bf1795b7edb33e16ba26
SHA1 hash:
b6557dc4fe88f04ab02515509315a79ec7ced9b6
Link:
https://www.unpac.me/results/38715d4a-c44b-41d8-a88f-29c6b780fcfa/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/86c9b8f7003a77106c1746a855da645783d6ed30fffa45350554ab2edd0e1290

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
Create hunting rule
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
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.

Web download

RemcosRAT

Executable exe 86c9b8f7003a77106c1746a855da645783d6ed30fffa45350554ab2edd0e1290

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/111685/
  
URLhaus
https://urlhaus.abuse.ch/url/954595/
  
Delivery method
Distributed via web download

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