MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2a8ae610f1847b1344ffaa1c252543a9e4f5208b0644be9d8f5d7d6770c9ae2. 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 9 File information Comments

SHA256 hash: f2a8ae610f1847b1344ffaa1c252543a9e4f5208b0644be9d8f5d7d6770c9ae2
SHA3-384 hash: 066f44514e9ce0ddb606e0148818547ffa8963b272bfd900c8ae53401ce66b8e69afc3647a3bad81a3414e456c0b4970
SHA1 hash: e35736baefe7d20118c3c74aef44d2caf1c4e4fc
MD5 hash: 120086943c1ef794d7886da90fc49d7a
humanhash: lactose-thirteen-yellow-dakota
File name:Ups file de.exe
Download: download sample
Signature RemcosRAT
File size:457'728 bytes
First seen:2020-11-20 07:53:51 UTC
Last seen:2020-11-27 09:54:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 80fca5ec032b0bbe3966043646d2c605 (1 x RemcosRAT, 1 x Loki)
ssdeep 6144:iNGMVDi7nvpqLwwkLufwSDJxAO8QCOVXS16fO4Ya6Qs4N5y9KPaibeyzKvplE:ioMZiTIww2FSD7rCOJqIb6Q1xaiqyD
Threatray 1'532 similar samples on MalwareBazaar
TLSH C6A4CF017482C472D472163205F8EB751A39BE312F24B6EFA7D4BB3D9F751C16232A6A
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
25
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a file
Running batch commands
Launching a process
Modifying an executable file
Unauthorized injection to a recently created process
DNS request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Setting a global event handler for the keyboard
Connection attempt to an infection source
Enabling autorun by creating a file
Result
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
phis.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
Detected unpacking (creates a PE file in dynamic memory)
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)
Maps a DLL or memory area into another process
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Tries to steal Mail credentials (via file registry)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 321008 Sample: Ups file de.exe Startdate: 20/11/2020 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Detected Remcos RAT 2->48 50 Detected unpacking (creates a PE file in dynamic memory) 2->50 52 10 other signatures 2->52 7 Ups file de.exe 3 2->7         started        process3 file4 30 C:\Users\user\AppData\Local\...\firefox3.exe, PE32 7->30 dropped 32 C:\...\d80b5beb112e4c498cf96d9bf6867870.xml, XML 7->32 dropped 54 Maps a DLL or memory area into another process 7->54 11 Ups file de.exe 2 3 7->11         started        15 cmd.exe 1 7->15         started        signatures5 process6 dnsIp7 34 u875414.duckdns.org 11->34 36 u875414.ddns.net 11->36 38 2 other IPs or domains 11->38 56 Injects a PE file into a foreign processes 11->56 17 Ups file de.exe 1 11->17         started        20 Ups file de.exe 13 11->20         started        22 Ups file de.exe 1 11->22         started        24 Ups file de.exe 11->24         started        26 conhost.exe 15->26         started        28 schtasks.exe 1 15->28         started        signatures8 process9 signatures10 40 Tries to steal Instant Messenger accounts or passwords 17->40 42 Tries to steal Mail credentials (via file access) 17->42 44 Tries to harvest and steal browser information (history, passwords, etc) 20->44
Threat name:
Win32.Spyware.BtcWare
Status:
Malicious
First seen:
2020-11-20 07:54:18 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos rat spyware
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Remcos
Malware Config
C2 Extraction:
u875414.nvpn.to:2404
u875414.duckdns.org:2404
u875414.ddns.net:2404
u875414.nsupdate.info:2404
Unpacked files
SH256 hash:
f2a8ae610f1847b1344ffaa1c252543a9e4f5208b0644be9d8f5d7d6770c9ae2
MD5 hash:
120086943c1ef794d7886da90fc49d7a
SHA1 hash:
e35736baefe7d20118c3c74aef44d2caf1c4e4fc
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: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.

Comments