MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 10aaa49fc2023480ff5a6a25e478df0c62bb3688ab615ca22839bdbf6a6ce745. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments 1

SHA256 hash: 10aaa49fc2023480ff5a6a25e478df0c62bb3688ab615ca22839bdbf6a6ce745
SHA3-384 hash: 33864938ef342eed54b24bf2f90a4efe816d3bc532be235957ff87f0c008cf9f7ec12dad0c8e6cdc492d34cc8c0f35da
SHA1 hash: 9da42db6807d5912888dbb75b29327c6a5996cf9
MD5 hash: 14d08312310af559531055015fc19c6e
humanhash: william-orange-georgia-quiet
File name:14d08312310af559531055015fc19c6e
Download: download sample
Signature RemcosRAT
File size:102'400 bytes
First seen:2022-06-22 21:30:36 UTC
Last seen:2022-07-15 03:58:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3a62971944197f0701c7049a9c739d1 (60 x RemcosRAT)
ssdeep 3072:LhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+JP/P6Nr0:LhzOv2fM13jsIFSHNT7P/P6l0
Threatray 2'169 similar samples on MalwareBazaar
TLSH T182A3E713FA4AD0B2E42591F546427F318EBCBC3236492173D38FCA819D79892D456EAF
TrID 33.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
14.0% (.SCR) Windows screen saver (13101/52/3)
11.2% (.EXE) Win64 Executable (generic) (10523/12/4)
7.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 989894b49c9494f0 (43 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Launching cmd.exe command interpreter
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Changing a file
Running batch commands
Creating a process with a hidden window
Creating a file
Creating a process from a recently created file
Setting a keyboard event handler
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the User Account Control
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
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:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
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 with benign system names
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses cmd line tools excessively to alter registry or file data
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 650765 Sample: V4odAIb9nL Startdate: 22/06/2022 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic 2->58 60 Multi AV Scanner detection for domain / URL 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 8 other signatures 2->64 9 V4odAIb9nL.exe 1 5 2->9         started        13 svchost.exe 2->13         started        16 svchost.exe 9 1 2->16         started        18 6 other processes 2->18 process3 dnsIp4 48 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32 9->48 dropped 50 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 9->50 dropped 74 Contains functionality to detect virtual machines (IN, VMware) 9->74 76 Contains functionality to steal Chrome passwords or cookies 9->76 78 Contains functionality to capture and log keystrokes 9->78 80 3 other signatures 9->80 20 cmd.exe 1 9->20         started        23 cmd.exe 1 9->23         started        56 192.168.2.1 unknown unknown 13->56 file5 signatures6 process7 signatures8 66 Uses ping.exe to sleep 20->66 25 svchost.exe 1 5 20->25         started        29 PING.EXE 1 20->29         started        31 conhost.exe 20->31         started        68 Uses cmd line tools excessively to alter registry or file data 23->68 70 Uses ping.exe to check the status of other devices and networks 23->70 33 conhost.exe 23->33         started        35 reg.exe 1 23->35         started        process9 dnsIp10 52 razorr.bounceme.net 212.114.52.146, 2404, 49766 COMBAHTONcombahtonGmbHDE Germany 25->52 82 Antivirus detection for dropped file 25->82 84 System process connects to network (likely due to code injection or exploit) 25->84 86 Multi AV Scanner detection for dropped file 25->86 88 6 other signatures 25->88 37 cmd.exe 1 25->37         started        40 cmd.exe 1 25->40         started        54 127.0.0.1 unknown unknown 29->54 signatures11 process12 signatures13 72 Uses cmd line tools excessively to alter registry or file data 37->72 42 conhost.exe 37->42         started        44 reg.exe 1 37->44         started        46 conhost.exe 40->46         started        process14
Threat name:
Win32.Backdoor.Rescoms
Status:
Malicious
First seen:
2022-06-20 17:24:00 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
38 of 41 (92.68%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:president evasion persistence rat suricata trojan
Behaviour
Modifies registry key
Runs ping.exe
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Deletes itself
Loads dropped DLL
Executes dropped EXE
Remcos
UAC bypass
suricata: ET MALWARE Remcos RAT Checkin 23
Malware Config
C2 Extraction:
razorr.bounceme.net:2404
Unpacked files
SH256 hash:
10aaa49fc2023480ff5a6a25e478df0c62bb3688ab615ca22839bdbf6a6ce745
MD5 hash:
14d08312310af559531055015fc19c6e
SHA1 hash:
9da42db6807d5912888dbb75b29327c6a5996cf9
Detections:
win_remcos_g0 win_remcos_auto
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Remcos_strings
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
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:Detects win.remcos.

File information


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

Web download

RemcosRAT

Executable exe 10aaa49fc2023480ff5a6a25e478df0c62bb3688ab615ca22839bdbf6a6ce745

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-22 21:30:43 UTC

url : hxxp://srv60340528.ultasrv.com/oNLCS.exe