MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 257b2b1a5694438c684e9d4fd44141fc3f09a18d15ebef5e46aad1603afa0b0c. 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 6 File information Comments

SHA256 hash: 257b2b1a5694438c684e9d4fd44141fc3f09a18d15ebef5e46aad1603afa0b0c
SHA3-384 hash: adb20cb2ad897d7d311d3e69cd42654d7f69def4fa5ad040d20f56487d2309d60d74e22ce76a958dfbe03d27b0587db2
SHA1 hash: a9e466a67cfe841705d02f70b5dae934ca3c4fb8
MD5 hash: 62790a19ba25b927dda1028ca25ba7d9
humanhash: illinois-tennis-golf-nevada
File name:62790a19ba25b927dda1028ca25ba7d9.exe
Download: download sample
Signature RemcosRAT
File size:437'248 bytes
First seen:2020-10-13 10:43:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:gUm06nvDrpsoxtuWjLgw4XrrW5yH6pB5DGAXkIth:u06nZzxI0zvhbXkIth
Threatray 840 similar samples on MalwareBazaar
TLSH 2094125C73AC661ACBBF41B9E57405345B30A6077013FB662A80C4FD63EAB184D126FB
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file
Launching a process
Connection attempt
Unauthorized injection to a system process
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
Detected Remcos RAT
Drops PE files to the user root directory
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Remcos
Status:
Malicious
First seen:
2020-10-13 10:45:08 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
rat family:remcos
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
160.20.147.120:2404
Unpacked files
SH256 hash:
257b2b1a5694438c684e9d4fd44141fc3f09a18d15ebef5e46aad1603afa0b0c
MD5 hash:
62790a19ba25b927dda1028ca25ba7d9
SHA1 hash:
a9e466a67cfe841705d02f70b5dae934ca3c4fb8
SH256 hash:
2d4a31e1093e4f20e7b2634aa5c93184a89039eef4d84e65005d5a85ecd791d5
MD5 hash:
89ba258fb344eaffc7cb733497a13eeb
SHA1 hash:
62037f073fd70784e00cb8e289d76c06e48d72cd
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
84f56eb3433a7a072fe200a14885fdbbc7bba0eff8f090e32afd8f626f46679b
MD5 hash:
eeb36ca40bffff614a5b786c80eac707
SHA1 hash:
cb876df24db6325ee93d276a2df69145127ad4fc
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: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: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.

Web download

RemcosRAT

Executable exe 257b2b1a5694438c684e9d4fd44141fc3f09a18d15ebef5e46aad1603afa0b0c

(this sample)

  
Delivery method
Distributed via web download

Comments