MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49cd69981ba93f82911e3c5d6cd5afbd7e035001a6d9f5f0643415f5d7e61590. 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: 9


Intelligence 9 IOCs YARA 9 File information Comments

SHA256 hash: 49cd69981ba93f82911e3c5d6cd5afbd7e035001a6d9f5f0643415f5d7e61590
SHA3-384 hash: c9d9b0aaa73bf3c8b684c096e8b029cc41c6b0610370d84dad5d91d526e45ac7693a564706784eb25b87279af1997308
SHA1 hash: 7082db28280726d8af6af4b89439ecf00e13c893
MD5 hash: c68c6de5b5d43a6a4a3225b8697ac900
humanhash: lion-finch-green-alpha
File name:Waybill.exe
Download: download sample
Signature RemcosRAT
File size:1'249'792 bytes
First seen:2021-02-24 18:17:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f90dcec0e8a4aa224157a453075012d8 (6 x RemcosRAT, 1 x Loki, 1 x NetWire)
ssdeep 24576:ynYO6b38bEngZQ4MS9/PBK9Buz15W+FXEy59d:ynSnSoWXXEy59
Threatray 1'446 similar samples on MalwareBazaar
TLSH B44528B2E94A8FE1F56B153DFA0FD6741515BD2E350D54A63EE83B0A9BAF30538100B2
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
rem1.camdvr.org:2404

Intelligence


File Origin
# of uploads :
1
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Waybill.exe
Verdict:
Malicious activity
Analysis date:
2021-02-24 18:57:34 UTC
Tags:
trojan rat remcos keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Creating a file in the %temp% directory
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
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:
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Sigma detected: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 357592 Sample: Waybill.exe Startdate: 24/02/2021 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 10 other signatures 2->46 7 Waybill.exe 1 18 2->7         started        12 Yndgwest.exe 2->12         started        14 Yndgwest.exe 2->14         started        process3 dnsIp4 38 cdn.discordapp.com 162.159.129.233, 443, 49706 CLOUDFLARENETUS United States 7->38 34 C:\Users\Public\Libraries\Yndgwest.exe, PE32 7->34 dropped 50 Writes to foreign memory regions 7->50 52 Allocates memory in foreign processes 7->52 54 Creates a thread in another existing process (thread injection) 7->54 16 ieinstal.exe 2 3 7->16         started        56 Injects a PE file into a foreign processes 12->56 21 ieinstal.exe 12->21         started        23 ieinstal.exe 14->23         started        file5 signatures6 process7 dnsIp8 36 rem1.camdvr.org 217.64.151.17, 2404, 49721, 49722 OBE-EUROPEObenetworkEuropeSE Sweden 16->36 32 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 16->32 dropped 48 Injects a PE file into a foreign processes 16->48 25 ieinstal.exe 13 16->25         started        28 ieinstal.exe 1 16->28         started        30 ieinstal.exe 16->30         started        file9 signatures10 process11 signatures12 58 Tries to harvest and steal browser information (history, passwords, etc) 25->58 60 Tries to steal Instant Messenger accounts or passwords 28->60
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2021-02-24 18:18:07 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
rem1.camdvr.org:2404
rem16.hopto.org:2404
rem1666.hopto.org:2404
rem16.camdvr.org:2404
remmusic.freeddns.org:2404
sunwap1.ddns.net:2404
Unpacked files
SH256 hash:
3a1b23424b2e9456498f5cc3963794922cabea0002ef3b1efba8737f47b86c19
MD5 hash:
23d9c44a43c71c229e542d1c2a078eb7
SHA1 hash:
a45328167e9ae556a085bd236e167476b72e5c2f
SH256 hash:
706d20d3ed5a944ad7351b2b1e6510db719e150baf045713dfba5494879cd959
MD5 hash:
5e793005579e35e29886ecd8c19b78bb
SHA1 hash:
688b72e225d35b6a0caf21ccbac0fd580374d2d8
SH256 hash:
49cd69981ba93f82911e3c5d6cd5afbd7e035001a6d9f5f0643415f5d7e61590
MD5 hash:
c68c6de5b5d43a6a4a3225b8697ac900
SHA1 hash:
7082db28280726d8af6af4b89439ecf00e13c893
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments