MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a30279d9a17f60370018e2e519d9f3a5a423b79c996e2ce25649505206d0d53. 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: 7a30279d9a17f60370018e2e519d9f3a5a423b79c996e2ce25649505206d0d53
SHA3-384 hash: 384c45524029592368f8ab3e65b76ead448c5978129e4bd8748541cf7cdf3af202d81bd44cc3d5c4901683574ee3018d
SHA1 hash: eb471cdfbc1012d4297968f5882ecf6f6a318eed
MD5 hash: 8507edc3b93f12225b71a27f1b415ccb
humanhash: mexico-red-cold-seven
File name:8507edc3b93f12225b71a27f1b415ccb.exe
Download: download sample
Signature RemcosRAT
File size:708'608 bytes
First seen:2020-10-02 09:35:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b9e41474d2733184de68861799509b24 (2 x AZORult, 1 x AgentTesla, 1 x AveMariaRAT)
ssdeep 12288:ScFUncJ54irus265GoqlDX1YH0COI+w7Ror6PpGg+l2K3RYUOqAblAZj:GnYnuRcBIoGblBhyblA5
Threatray 773 similar samples on MalwareBazaar
TLSH 01E48F23A2A17877C173263D9C0B5FB4793EBE102928A8466BF5DD4C5F38651392D28F
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching cmd.exe command interpreter
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
DNS request
Setting a keyboard event handler
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the User Account Control
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to capture and log keystrokes
Contains functionality to detect sleep reduction / modifications
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
Creates an autostart registry key pointing to binary in C:\Windows
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Injects a PE file into a foreign processes
Installs a global keyboard hook
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: Suspicious Svchost Process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected Keylogger Generic
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 292499 Sample: 344Ty037E1.exe Startdate: 02/10/2020 Architecture: WINDOWS Score: 100 86 Malicious sample detected (through community Yara rule) 2->86 88 Multi AV Scanner detection for dropped file 2->88 90 Multi AV Scanner detection for submitted file 2->90 92 16 other signatures 2->92 12 344Ty037E1.exe 2->12         started        15 Windows Start-Up Sounds.exe 2->15         started        17 Windows Start-Up Sounds.exe 2->17         started        process3 signatures4 112 Detected unpacking (changes PE section rights) 12->112 114 Detected unpacking (overwrites its own PE header) 12->114 116 Contains functionality to detect virtual machines (IN, VMware) 12->116 122 5 other signatures 12->122 19 344Ty037E1.exe 1 5 12->19         started        118 Maps a DLL or memory area into another process 15->118 23 Windows Start-Up Sounds.exe 3 15->23         started        120 Drops executables to the windows directory (C:\Windows) and starts them 17->120 26 Windows Start-Up Sounds.exe 17->26         started        process5 dnsIp6 76 C:\Windows\...\Windows Start-Up Sounds.exe, PE32 19->76 dropped 78 Windows Start-Up S...exe:Zone.Identifier, ASCII 19->78 dropped 104 Creates an autostart registry key pointing to binary in C:\Windows 19->104 28 cmd.exe 1 19->28         started        31 cmd.exe 1 19->31         started        82 ascoitaliasa.duckdns.org 194.5.97.59, 2025, 49734 DANILENKODE Netherlands 23->82 106 Installs a global keyboard hook 23->106 33 cmd.exe 1 23->33         started        file7 signatures8 process9 signatures10 124 Uses ping.exe to sleep 28->124 35 Windows Start-Up Sounds.exe 28->35         started        38 PING.EXE 1 28->38         started        41 conhost.exe 28->41         started        126 Uses cmd line tools excessively to alter registry or file data 31->126 43 conhost.exe 31->43         started        45 reg.exe 1 31->45         started        47 conhost.exe 33->47         started        49 reg.exe 1 33->49         started        process11 dnsIp12 94 Maps a DLL or memory area into another process 35->94 51 Windows Start-Up Sounds.exe 2 1 35->51         started        54 svchost.exe 1 35->54         started        80 127.0.0.1 unknown unknown 38->80 signatures13 process14 signatures15 96 Detected Remcos RAT 51->96 98 Writes to foreign memory regions 51->98 100 Allocates memory in foreign processes 51->100 102 Injects a PE file into a foreign processes 51->102 56 iexplore.exe 51->56         started        59 cmd.exe 1 51->59         started        61 MpCmdRun.exe 1 51->61         started        process16 signatures17 108 Maps a DLL or memory area into another process 56->108 63 iexplore.exe 56->63         started        65 conhost.exe 56->65         started        67 iexplore.exe 56->67         started        110 Uses cmd line tools excessively to alter registry or file data 59->110 69 conhost.exe 59->69         started        71 reg.exe 1 59->71         started        process18 process19 73 WerFault.exe 23 9 63->73         started        dnsIp20 84 192.168.2.1 unknown unknown 73->84
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2020-10-01 15:50:01 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
rat family:remcos persistence evasion trojan
Behaviour
Modifies registry key
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Program crash
Loads dropped DLL
Executes dropped EXE
Remcos
UAC bypass
Suspicious use of NtCreateProcessExOtherParentProcess
Malware Config
C2 Extraction:
ascoitaliasa.duckdns.org:2025
Unpacked files
SH256 hash:
7a30279d9a17f60370018e2e519d9f3a5a423b79c996e2ce25649505206d0d53
MD5 hash:
8507edc3b93f12225b71a27f1b415ccb
SHA1 hash:
eb471cdfbc1012d4297968f5882ecf6f6a318eed
SH256 hash:
0fdaca3dc75b3680db61985dcd20000d4e1c197f11fcdac5a645e8c497c2360e
MD5 hash:
1755cebbb7c7c6550c9af61bac1fce73
SHA1 hash:
dfc00a36849c86ab655d491c28ac84d27c53f68a
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: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 7a30279d9a17f60370018e2e519d9f3a5a423b79c996e2ce25649505206d0d53

(this sample)

  
Delivery method
Distributed via web download

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