MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 455b4cd97ab95cd380baa5060f7cc787f917ddf1d03c873519b2394db4fe0302. 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 4 File information Comments

SHA256 hash: 455b4cd97ab95cd380baa5060f7cc787f917ddf1d03c873519b2394db4fe0302
SHA3-384 hash: ab3e5f1c4fe04775a1279c0a4cba96a3b3b373818e2375e9028c5c262338941a8a72ab4da9ce46c7b87b511fe033e651
SHA1 hash: 6d3e0f21c3faa5522bd944bdfd59a4bbf49c99d8
MD5 hash: 7f0e05e93d2d19dcd40f3f3ad0a82103
humanhash: sink-oxygen-nineteen-mountain
File name:TNT Original Invoice.exe
Download: download sample
Signature RemcosRAT
File size:1'009'152 bytes
First seen:2023-08-12 07:35:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:KrcNussDa0k9xFtH/XUAYdk6yCXGfRwF44cOExxffhVcVTj:KraZ91vUvkPzPOExP
Threatray 2'437 similar samples on MalwareBazaar
TLSH T1A525E060EE79CE82E58F4B78008FD74E92725C853627C53A5AAA50C6C0977C206DF79F
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter abuse_ch
Tags:exe RAT RemcosRAT TNT

Intelligence


File Origin
# of uploads :
1
# of downloads :
279
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
TNT Original Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-08-12 07:44:03 UTC
Tags:
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 custom TCP request
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 potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1290395 Sample: TNT_Original_Invoice.exe Startdate: 12/08/2023 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 8 other signatures 2->50 7 TNT_Original_Invoice.exe 7 2->7         started        11 qwTUxXGPyCuo.exe 5 2->11         started        process3 file4 36 C:\Users\user\AppData\...\qwTUxXGPyCuo.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmp3549.tmp, XML 7->38 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 7->52 54 Adds a directory exclusion to Windows Defender 7->54 56 Injects a PE file into a foreign processes 7->56 13 TNT_Original_Invoice.exe 3 2 7->13         started        18 powershell.exe 21 7->18         started        20 powershell.exe 17 7->20         started        22 schtasks.exe 1 7->22         started        58 Multi AV Scanner detection for dropped file 11->58 24 schtasks.exe 1 11->24         started        26 qwTUxXGPyCuo.exe 11->26         started        signatures5 process6 dnsIp7 42 167.114.189.33, 2404 OVHFR Canada 13->42 40 C:\ProgramData\remcos\logs.dat, data 13->40 dropped 60 Installs a global keyboard hook 13->60 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        file8 signatures9 process10
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-11 09:14:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 38 (47.37%)
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:
573969739b6f238bfb8d17baba6a4ddafb61fb10a9290b04eee4a05f4c08b960
MD5 hash:
1f173379c67bd7066c47ca5d3a72da8f
SHA1 hash:
edbbdfeb0553974c4e0eaada7265e42b8e0e5c77
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:
455b4cd97ab95cd380baa5060f7cc787f917ddf1d03c873519b2394db4fe0302
MD5 hash:
7f0e05e93d2d19dcd40f3f3ad0a82103
SHA1 hash:
6d3e0f21c3faa5522bd944bdfd59a4bbf49c99d8
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

Malspam

RemcosRAT

Executable exe 455b4cd97ab95cd380baa5060f7cc787f917ddf1d03c873519b2394db4fe0302

(this sample)

  
Delivery method
Distributed via e-mail attachment

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