MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3453d83f263aa7665cb7398e7216db55cb8d7d75b8d45cdaf889c9265ba72fb. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3453d83f263aa7665cb7398e7216db55cb8d7d75b8d45cdaf889c9265ba72fb
SHA3-384 hash: 25c4895aefc1753761cdeafa017f39eccf976fc42cd3323e4b5e60d6d6741e8a18cbbf65aae76a9d4b74496fd6e09fcb
SHA1 hash: 1e73a33ed28c80d38f0b4043122c3addcdcaa5e5
MD5 hash: 11be16366d3bb6a869e752ff67c3d113
humanhash: finch-hawaii-robert-magazine
File name:11be16366d3bb6a869e752ff67c3d113.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:679'936 bytes
First seen:2020-07-18 08:52:04 UTC
Last seen:2020-07-18 11:53:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f2753f586d682a054d4c3492dcb05fd4 (2 x RemcosRAT, 1 x AveMariaRAT, 1 x Emotet)
ssdeep 12288:+FNC7LPHmafB+7Rp7rpizqscFciu4JopWdv2kv75MYBeRuiKvVL0q5qg:+/KPGk0Rp7rpiqscJxxdvxMYBe8h
Threatray 951 similar samples on MalwareBazaar
TLSH C4E49E72B29C85F7C12A2979CC0B56E4992ABE103E189C873BF53E4C5F39751363A097
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/27674/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Creating a file in the %temp% subdirectories
Reading critical registry keys
Creating a file
Deleting a recently created file
Reading Telegram data
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a TCP request to an infection source
Stealing user critical data
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/388630
Signature
Allocates memory in foreign processes
Binary contains a suspicious time stamp
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates a thread in another existing process (thread injection)
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the user root directory
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Keylogger Generic
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 246484 Sample: 74rHKCkwD5.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 74 fgdjhksdfsdxcbv.ru 2->74 76 karimgoussd.ug 2->76 94 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->94 96 Malicious sample detected (through community Yara rule) 2->96 98 Multi AV Scanner detection for dropped file 2->98 100 8 other signatures 2->100 12 74rHKCkwD5.exe 1 16 2->12         started        17 mshta.exe 19 2->17         started        19 mshta.exe 2->19         started        signatures3 process4 dnsIp5 90 googlehosted.l.googleusercontent.com 172.217.18.1, 443, 49733, 49744 GOOGLEUS United States 12->90 92 doc-0k-64-docs.googleusercontent.com 12->92 72 C:\Users\user\AppData\Local\...\Hjrbfck.exe, PE32 12->72 dropped 118 Writes to foreign memory regions 12->118 120 Allocates memory in foreign processes 12->120 122 Creates a thread in another existing process (thread injection) 12->122 124 Injects a PE file into a foreign processes 12->124 21 TapiUnattend.exe 7 12->21         started        25 ieinstal.exe 1 12->25         started        126 DLL side loading technique detected 17->126 28 Hjrbfck.exe 15 17->28         started        30 Hjrbfck.exe 19->30         started        file6 signatures7 process8 dnsIp9 68 C:\Users\Public\propsys.dll, PE32+ 21->68 dropped 70 C:\Users\Public\fodhelper.exe, PE32+ 21->70 dropped 104 Drops PE files to the user root directory 21->104 32 cmd.exe 5 21->32         started        35 cmd.exe 1 21->35         started        78 fgdjhksdfsdxcbv.ru 25->78 80 karimgoussd.ug 79.134.225.49, 49734, 49735, 49736 FINK-TELECOM-SERVICESCH Switzerland 25->80 82 googlehosted.l.googleusercontent.com 28->82 84 doc-0g-b8-docs.googleusercontent.com 28->84 106 Multi AV Scanner detection for dropped file 28->106 108 Writes to foreign memory regions 28->108 110 Allocates memory in foreign processes 28->110 112 Injects a PE file into a foreign processes 28->112 38 ieinstal.exe 28->38         started        86 googlehosted.l.googleusercontent.com 30->86 88 doc-0g-b8-docs.googleusercontent.com 30->88 40 ieinstal.exe 30->40         started        file10 signatures11 process12 file13 64 C:\Windows \System32\propsys.dll, PE32+ 32->64 dropped 66 C:\Windows \System32\fodhelper.exe, PE32+ 32->66 dropped 42 fodhelper.exe 32->42         started        45 conhost.exe 32->45         started        102 Uses cmd line tools excessively to alter registry or file data 35->102 47 conhost.exe 35->47         started        49 schtasks.exe 1 35->49         started        51 reg.exe 1 1 35->51         started        53 2 other processes 35->53 signatures14 process15 signatures16 116 Drops executables to the windows directory (C:\Windows) and starts them 42->116 55 cmd.exe 1 42->55         started        process17 process18 57 cmd.exe 3 2 55->57         started        60 conhost.exe 55->60         started        signatures19 114 DLL side loading technique detected 57->114 62 wscript.exe 57->62         started        process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f3453d83f263aa7665cb7398e7216db55cb8d7d75b8d45cdaf889c9265ba72fb/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-07-17 23:57:05 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6nct3a7smovhmzoloomooilnwvolrv6xlogultnprcojezn2ol5q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
07dd81aa4994d15fd4d26bb4b9a4aa5dff47d99da2ab76718f480f62cb4ddb93
RemcosRAT
08fe7e61eafc062a5f50981fae0f578442cdfd31a00e2398389c8bea37485f02
RemcosRAT
286c2eb8755215619d8cb48cc884091251729d5925b74444fe3b62c2c1a5acb5
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2e1b3dec1609efaee181ea5c2865ace9ac7be4b5ee8420a71ef9fff500440377
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308c96557c6be5d4519ba4bac38c23e611c7b61683cfc1063a6009e216c24f5e
RemcosRAT
6916d0f41d35a9142e598496a1e996616b4fad6d15f0f3da7ec9210b6a124586
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8043fce8f83dc87396532c20107397ebf5889f802cb588d26bbf0822b39ed27a
RemcosRAT
8bbb8fe69100550248f4663e911a16bca03432bef9112dd0924d7a9c3dae8464
RemcosRAT
9b1328490717e1e3c97216a17bf36b67103a40dae3bbac6865487e51fea82b32
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f158368c489837c721cb01f7bf86f18536f9948f35f2ced67827d638b8253f16
RemcosRAT
+ 941 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
persistence rat family:remcos
Link:
https://tria.ge/reports/200718-f5zv9z46ka/
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Remcos
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f3453d83f263aa7665cb7398e7216db55cb8d7d75b8d45cdaf889c9265ba72fb

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: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 f3453d83f263aa7665cb7398e7216db55cb8d7d75b8d45cdaf889c9265ba72fb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/414727/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/27674/

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