MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f827733e06b0ec1cb7edf3b3982487e6be429842e0cb09ff7900771ab58e8bb. 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 5 File information Comments

SHA256 hash: 4f827733e06b0ec1cb7edf3b3982487e6be429842e0cb09ff7900771ab58e8bb
SHA3-384 hash: ea7e1f85322a73235269a6fdf5ea22a10835ab27e38c3144c50e027dd48db262ff24a99203f9ab57c1088d8283cfac64
SHA1 hash: 70676fcadc7db3a2b5ca567ffa41115736ea0df1
MD5 hash: eb52088866688f0203b2f5d5114a2bd0
humanhash: sodium-tennis-dakota-pluto
File name:SecuriteInfo.com.Win32.PWSX-gen.1900.12052
Download: download sample
Signature RemcosRAT
File size:1'020'928 bytes
First seen:2023-08-09 18:56:15 UTC
Last seen:2023-08-10 06:38:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:7wexIYlVNw1HX/Fuh0Q7CaLwbwGSxEItdmHZcd6IY9CC5LLzg:wYlOUhLIudYZOC5/z
Threatray 2'424 similar samples on MalwareBazaar
TLSH T1F52522B9B2EF4E71C7982436D693280453B95B8BA523E70E115813D18A0F7C6D392FDB
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e096962b2b9696e8 (16 x AgentTesla, 4 x Formbook, 2 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
283
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.1900.12052
Verdict:
Malicious activity
Analysis date:
2023-08-09 18:58:02 UTC
Tags:
rat remcos remote 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
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Adding an exclusion to Microsoft Defender
Gathering 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:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1288921 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 09/08/2023 Architecture: WINDOWS Score: 100 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 7 other signatures 2->56 7 GcHRKx.exe 5 2->7         started        10 SecuriteInfo.com.Win32.PWSX-gen.1900.12052.exe 7 2->10         started        process3 file4 58 Multi AV Scanner detection for dropped file 7->58 60 Contains functionality to bypass UAC (CMSTPLUA) 7->60 62 Machine Learning detection for dropped file 7->62 68 4 other signatures 7->68 13 schtasks.exe 1 7->13         started        15 GcHRKx.exe 7->15         started        17 GcHRKx.exe 7->17         started        19 GcHRKx.exe 7->19         started        42 C:\Users\user\AppData\RoamingbehaviorgraphcHRKx.exe, PE32 10->42 dropped 44 C:\Users\user\AppData\Local\...\tmpA8A3.tmp, XML 10->44 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 10->64 66 Adds a directory exclusion to Windows Defender 10->66 21 SecuriteInfo.com.Win32.PWSX-gen.1900.12052.exe 3 15 10->21         started        26 powershell.exe 21 10->26         started        28 powershell.exe 21 10->28         started        30 schtasks.exe 1 10->30         started        signatures5 process6 dnsIp7 32 conhost.exe 13->32         started        46 167.114.189.33, 2404, 49700 OVHFR Canada 21->46 48 geoplugin.net 178.237.33.50, 49701, 80 ATOM86-ASATOM86NL Netherlands 21->48 40 C:\ProgramData\remcos\logs.dat, data 21->40 dropped 70 Installs a global keyboard hook 21->70 34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        38 conhost.exe 30->38         started        file8 signatures9 process10
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-08-09 16:32:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
167.114.189.33:2404
Unpacked files
SH256 hash:
6b90bde62d26cda81d5f8c6285b30388c0ae52a0f981acefb1f08465bb9dc3a5
MD5 hash:
39292b7b648b26849e70e758ab5992b2
SHA1 hash:
fd410c46c3541757a909d35c079b38bedd589055
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
SH256 hash:
0c65cc63943ef047c4604d51017264cb699337750d110c3b9558c3b6d9b218d0
MD5 hash:
d3dbba0102a129dfd4009d5886d9f11b
SHA1 hash:
8e9a6b10047ba4e99e82a9b09bd79335830e74a6
Detections:
Remcos win_remcos_auto
SH256 hash:
8973ec20883b3d45af6c843de26bd764bb3ca9346ffe2def89942b1a973f16f0
MD5 hash:
67cda3ec4bee9bf8bb35ea857ac9a5d1
SHA1 hash:
6ca5037103de3a0d69b07610cdb9a4f7ed70c643
SH256 hash:
4f827733e06b0ec1cb7edf3b3982487e6be429842e0cb09ff7900771ab58e8bb
MD5 hash:
eb52088866688f0203b2f5d5114a2bd0
SHA1 hash:
70676fcadc7db3a2b5ca567ffa41115736ea0df1
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
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.

Comments