MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4143a027af3c078d252c462f6101cc1b4b849402280371d9279e6fa62ee6cf75. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments 1

SHA256 hash: 4143a027af3c078d252c462f6101cc1b4b849402280371d9279e6fa62ee6cf75
SHA3-384 hash: 589a45989f6ec6bd866be38092392cfb49326cee648f53b4fba10b91b7189fafbe4a72c4f17cc456daf58f3230dabf1b
SHA1 hash: e71dbaa7c7607c4d24eb048f691e9ce8d0e33fed
MD5 hash: 0952ce49925290f3d8708a2b87432d7c
humanhash: nineteen-sweet-ten-alanine
File name:0952ce49925290f3d8708a2b87432d7c
Download: download sample
Signature RemcosRAT
File size:982'528 bytes
First seen:2023-04-22 01:21:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:fzL8g2D4wmifQMfkOyoyU0NqrjTpJf2v4fYD02+yxPs:fvd2D4/Kk5lU0UrXGvOunP
Threatray 1'849 similar samples on MalwareBazaar
TLSH T1B42512A9F37EDD2AC27D0A76D4D3041803F052469993E7096CD620CF562FBC94A92BDB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 69e8b2f0d0c4e830 (5 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
253
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
0952ce49925290f3d8708a2b87432d7c
Verdict:
Malicious activity
Analysis date:
2023-04-22 01:24:17 UTC
Tags:
remcos

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker comodo darkkomet packed
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
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
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
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 851923 Sample: 1Dmc8LhHMs.exe Startdate: 22/04/2023 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 8 other signatures 2->68 10 1Dmc8LhHMs.exe 3 2->10         started        14 los.exe 2 2->14         started        16 los.exe 2 2->16         started        18 los.exe 2->18         started        process3 file4 50 C:\Users\user\AppData\...\1Dmc8LhHMs.exe.log, ASCII 10->50 dropped 72 Contains functionality to steal Chrome passwords or cookies 10->72 74 Contains functionality to modify clipboard data 10->74 76 Contains functionality to steal Firefox passwords or cookies 10->76 78 Delayed program exit found 10->78 20 1Dmc8LhHMs.exe 5 4 10->20         started        23 los.exe 14->23         started        25 los.exe 16->25         started        27 los.exe 18->27         started        signatures5 process6 file7 44 C:\Users\user\AppData\Roaming\los.exe, PE32 20->44 dropped 46 C:\Users\user\...\los.exe:Zone.Identifier, ASCII 20->46 dropped 48 C:\Users\user\AppData\...\mqtsfenmql.vbs, data 20->48 dropped 29 wscript.exe 1 20->29         started        process8 process9 31 cmd.exe 1 29->31         started        process10 33 los.exe 3 31->33         started        36 conhost.exe 31->36         started        signatures11 56 Antivirus detection for dropped file 33->56 58 Multi AV Scanner detection for dropped file 33->58 60 Machine Learning detection for dropped file 33->60 38 los.exe 2 15 33->38         started        42 los.exe 33->42         started        process12 dnsIp13 52 nadiac7806.hopto.org 193.42.32.86, 2397, 49698 EENET-ASEE Germany 38->52 54 geoplugin.net 178.237.33.50, 49699, 80 ATOM86-ASATOM86NL Netherlands 38->54 70 Installs a global keyboard hook 38->70 signatures14
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2023-04-17 10:49:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
11 of 37 (29.73%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:mekino-remotehost persistence rat
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
nadiac7806.hopto.org:2397
Unpacked files
SH256 hash:
3e51f8f50bc0366b53814852378cff17e267d0430bc6fa81ef6b73566e2fbe3c
MD5 hash:
9d4e3134492e1c7a41e02f83d2219505
SHA1 hash:
c7a997189bdc7e17fe33dc2474088cb8182c2e44
SH256 hash:
4eac87d6896bdc619f9fc80b30fa1e2bf095ffca08c653161538858cd263b572
MD5 hash:
129294d744dd031f97a7ee455084a085
SHA1 hash:
6f7e99964ce0ff652e8a662970b589eb14db1450
SH256 hash:
3ed5d38a9f6ebbaa880a221fe101d77fb38cdffabbeb6dd8003671e90cab9935
MD5 hash:
4e9d42bcf3feb8f7d0b0238ea2f850df
SHA1 hash:
582ac3ad07117edf5c5a451355e7e822b8c69eb5
SH256 hash:
4143a027af3c078d252c462f6101cc1b4b849402280371d9279e6fa62ee6cf75
MD5 hash:
0952ce49925290f3d8708a2b87432d7c
SHA1 hash:
e71dbaa7c7607c4d24eb048f691e9ce8d0e33fed
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

RemcosRAT

Executable exe 4143a027af3c078d252c462f6101cc1b4b849402280371d9279e6fa62ee6cf75

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-04-22 01:21:19 UTC

url : hxxp://109.206.240.64/MFV.exe