MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53e1b26d672ada5498471f1e6679b0cbf3b821db5184ecf81f4213ec18e1d736. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 53e1b26d672ada5498471f1e6679b0cbf3b821db5184ecf81f4213ec18e1d736
SHA3-384 hash: 8ac61b84d6d48af2351d78cbbf858826d4c289089106d323ab671bcb3b0eadc9ca40afd9240c4b302cce0ea68e72688a
SHA1 hash: f877fa824e8ba563fcbb1ee6c8f5b85bd3b247ee
MD5 hash: cae93c0a0f68b1a3961d7a1a7ac03eb4
humanhash: pennsylvania-robert-kentucky-robert
File name:RRRR.exe
Download: download sample
Signature RemcosRAT
File size:1'029'964 bytes
First seen:2020-07-22 06:08:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 12288:rcrNS33L10QdrX4itnle2FvYd+7CiLy5FR5ClLV5G6A53ewL93ynkzoURNxM7JoB:6NA3R5drXdtlrBO2155PYuwhi6pNEOB
Threatray 936 similar samples on MalwareBazaar
TLSH E1251201F7C184B2E1731936593AB7206A7CBE311F28CE5FB7D45D6CA971291A630BA3
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 249541 Sample: RRRR.exe Startdate: 22/07/2020 Architecture: WINDOWS Score: 100 39 raba1.ddns.net 2->39 41 raba1.3utilities.com 2->41 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Detected Remcos RAT 2->51 53 4 other signatures 2->53 8 RRRR.exe 31 2->8         started        12 giricr.pif 1 2->12         started        14 giricr.pif 2->14         started        16 giricr.pif 2->16         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\...\giricr.pif, PE32 8->35 dropped 63 Drops PE files with a suspicious file extension 8->63 18 giricr.pif 1 3 8->18         started        65 Writes to foreign memory regions 12->65 67 Allocates memory in foreign processes 12->67 69 Sleep loop found (likely to delay execution) 12->69 22 RegSvcs.exe 12->22         started        71 Injects a PE file into a foreign processes 14->71 24 RegSvcs.exe 14->24         started        26 RegSvcs.exe 16->26         started        signatures6 process7 file8 33 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 18->33 dropped 55 Multi AV Scanner detection for dropped file 18->55 57 Writes to foreign memory regions 18->57 59 Allocates memory in foreign processes 18->59 61 2 other signatures 18->61 28 RegSvcs.exe 2 3 18->28         started        signatures9 process10 dnsIp11 43 raba1.ddns.net 79.134.225.11, 2404, 49716, 49717 FINK-TELECOM-SERVICESCH Switzerland 28->43 45 raba1.3utilities.com 28->45 37 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 28->37 dropped 73 Contains functionality to steal Chrome passwords or cookies 28->73 75 Contains functionality to capture and log keystrokes 28->75 77 Contains functionality to inject code into remote processes 28->77 79 Contains functionality to steal Firefox passwords or cookies 28->79 file12 signatures13
Threat name:
Win32.Packed.VbKrypt
Status:
Malicious
First seen:
2020-07-20 00:55:21 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  1/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
rat family:remcos persistence keylogger trojan stealer spyware family:nanocore
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
NanoCore
Remcos
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: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.

Comments