MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2fc36f6f4e72e2700737425abab14e4d75a190195c7cd8397cb9ae9761ec34b. 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 4 File information Comments

SHA256 hash: b2fc36f6f4e72e2700737425abab14e4d75a190195c7cd8397cb9ae9761ec34b
SHA3-384 hash: aacaa80b950f1eec54110d372f2b9a200d96245a92bbc3cc9a7c720d0c5cf56c2605a656e11bc31fff0b4cdef535040a
SHA1 hash: f1d2b9e6a67b998ce0f960608c638b7628e9bb37
MD5 hash: 27cd58c7d1c19c1fcb2c1ab4e9f7b53a
humanhash: mountain-spring-michigan-south
File name:TNT Original Invoice.exe
Download: download sample
Signature RemcosRAT
File size:1'038'336 bytes
First seen:2023-09-21 13:52:22 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:v1XEWqsbMdJHWC1o2rb3BGqFX2cKdNw/bMo7:vpvqs4fHW+FtFXsdG/bMo7
Threatray 2'596 similar samples on MalwareBazaar
TLSH T1B22502A5D9DBCDAEC43A147C2030925218B39FC71703F7D9A49E7D39EC34B02A9A547A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon b0cf4a4c4c4ccfb0 (31 x Formbook, 20 x RemcosRAT, 18 x AgentTesla)
Reporter abuse_ch
Tags:exe RemcosRAT TNT

Intelligence


File Origin
# of uploads :
1
# of downloads :
295
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
TNT Original Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-09-21 14:04:15 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
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed remcos
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
Antivirus detection for URL or domain
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
Initial sample is a PE file and has a suspicious name
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)
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: 1312330 Sample: TNT_Original_Invoice.exe Startdate: 21/09/2023 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 10 other signatures 2->52 7 VqxcAJmDUDS.exe 5 2->7         started        10 TNT_Original_Invoice.exe 7 2->10         started        process3 file4 56 Multi AV Scanner detection for dropped file 7->56 58 Contains functionality to bypass UAC (CMSTPLUA) 7->58 60 Machine Learning detection for dropped file 7->60 68 4 other signatures 7->68 13 schtasks.exe 1 7->13         started        15 VqxcAJmDUDS.exe 7->15         started        17 VqxcAJmDUDS.exe 7->17         started        40 C:\Users\user\AppData\...\VqxcAJmDUDS.exe, PE32 10->40 dropped 42 C:\Users\user\AppData\Local\Temp\tmpB3A.tmp, XML 10->42 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 10->62 64 Adds a directory exclusion to Windows Defender 10->64 66 Injects a PE file into a foreign processes 10->66 19 TNT_Original_Invoice.exe 3 2 10->19         started        24 powershell.exe 20 10->24         started        26 powershell.exe 21 10->26         started        28 schtasks.exe 1 10->28         started        signatures5 process6 dnsIp7 30 conhost.exe 13->30         started        44 167.114.189.33, 2404 OVHFR Canada 19->44 38 C:\ProgramData\remcos\logs.dat, data 19->38 dropped 54 Installs a global keyboard hook 19->54 32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        file8 signatures9 process10
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-09-21 07:52:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 23 (82.61%)
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
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
167.114.189.33:2404
Unpacked files
SH256 hash:
a8a5fa695501c7d7e1c70dc9c7aa9dbaa98d03c4ded262947811cb883c3afe7d
MD5 hash:
200ab8e098a1e41ca357d3cdcfab4bdf
SHA1 hash:
dc2a6966c9b964286e41d8cc77d57bc5e41ed216
SH256 hash:
3bc0bf9380bc5d1b1283352b4bd6d6bf7201be6f924a058fb86bbdb521ce1346
MD5 hash:
be87951841a25d7b1f0f74178d5ef132
SHA1 hash:
b021577cb3a62d56be16f4e63a2e6fe95ecc0055
SH256 hash:
0c65cc63943ef047c4604d51017264cb699337750d110c3b9558c3b6d9b218d0
MD5 hash:
d3dbba0102a129dfd4009d5886d9f11b
SHA1 hash:
8e9a6b10047ba4e99e82a9b09bd79335830e74a6
Detections:
Remcos win_remcos_auto
SH256 hash:
f18ede1829f6537e67a2f4e8cdcd767ee6b50b8dab392ecf26c75ac34e1494fb
MD5 hash:
65d61d54ea7665a497fed9699cc9e7e5
SHA1 hash:
8418bb9f902beac21267a1a60ac8431a4179defc
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
SH256 hash:
b2fc36f6f4e72e2700737425abab14e4d75a190195c7cd8397cb9ae9761ec34b
MD5 hash:
27cd58c7d1c19c1fcb2c1ab4e9f7b53a
SHA1 hash:
f1d2b9e6a67b998ce0f960608c638b7628e9bb37
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
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