MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f67be71928755e1b81ba9305f400d3b2349c60d4ca802d6937c2a66c49b9009b. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: f67be71928755e1b81ba9305f400d3b2349c60d4ca802d6937c2a66c49b9009b
SHA3-384 hash: 44e31134c4de4e1a639b857b621d4fbfa0c77fee238fadae774b1f9bdb1940ef029e872a54b6b6b9ef7c5febd704ab50
SHA1 hash: 7aac2d9ec6e93933838da8f559256b9316ee0e92
MD5 hash: 4e62a65a9322614d46395f51b9871090
humanhash: johnny-east-batman-glucose
File name:4e62a65a9322614d46395f51b9871090N.exe
Download: download sample
Signature RemcosRAT
File size:2'136'440 bytes
First seen:2024-07-22 02:31:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:YD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4+cZ+:Yp7E+QrFUBgq29A
Threatray 32 similar samples on MalwareBazaar
TLSH T1FAA53A86CA7C9583DD875D7067A8DA837C3DCFD30D50562650AAF4E81AF33E4AB1882D
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 008a9392b4e4b29a (10 x RemcosRAT)
Reporter nickkuechel
Tags:exe remcos RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
363
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
Encryption Generic Infostealer Static Stealth Trojan Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Moving a file to the %AppData% subdirectory
Creating a process from a recently created file
Creating a file
Setting a keyboard event handler
Connection attempt
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto_obfuscator_for_net luminositylink obfuscated overlay packed packed stealer
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.
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1477894 Sample: KIDFO3HJaX.exe Startdate: 22/07/2024 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 13 other signatures 2->51 7 KIDFO3HJaX.exe 1 8 2->7         started        11 sbietrcl.exe 4 2->11         started        13 sbietrcl.exe 4 2->13         started        process3 file4 27 C:\Users\user\AppData\...\sbietrcl_signed.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\...\sbietrcl.exe, PE32 7->29 dropped 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->53 15 sbietrcl.exe 5 7->15         started        55 Detected Remcos RAT 11->55 57 Injects a PE file into a foreign processes 11->57 19 sbietrcl.exe 11->19         started        21 sbietrcl.exe 13->21         started        signatures5 process6 file7 31 C:\Users\user\AppData\...\sbietrcl.exe.log, ASCII 15->31 dropped 35 Antivirus detection for dropped file 15->35 37 Multi AV Scanner detection for dropped file 15->37 39 Detected Remcos RAT 15->39 43 9 other signatures 15->43 23 sbietrcl.exe 2 2 15->23         started        41 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 19->41 signatures8 process9 dnsIp10 33 213.183.58.19, 4000, 49709, 49718 MELBICOM-EU-ASMelbikomasUABNL Lithuania 23->33 59 Tries to harvest and steal browser information (history, passwords, etc) 23->59 61 Installs a global keyboard hook 23->61 signatures11
Threat name:
ByteCode-MSIL.Trojan.Hanoone
Status:
Malicious
First seen:
2024-07-16 16:45:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
54
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:host persistence rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Reads user/profile data of web browsers
Remcos
Malware Config
C2 Extraction:
213.183.58.19:4000
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8106a50759c31efb6529214d890aabf1cda669b661152d783cc5ab33cc5eb477
MD5 hash:
68a76b9afa8b52498b2d5238d017336d
SHA1 hash:
f7e1aa95d7431004d875f164a11034311fbf56c1
SH256 hash:
698938eb7993af013fb6aca948db45f9c9bbd3687bc7697e7eeb8fbb50c0a5af
MD5 hash:
c1864ef59c68bab268dbc9ba91b38581
SHA1 hash:
4a4062d4bcfbf27bc75951f56cf13f3346bf043e
SH256 hash:
d9fbc2a26544c2bb49dbe0569816a7a7aeb56e48c5e9998da003d018969a3483
MD5 hash:
dd8a40f4e19a0e7aacec8078d530638d
SHA1 hash:
17b80c1b30cf2c018c91bc40421e0b854ede540d
SH256 hash:
3a50e31d6d1d1e06d7850963813e2ea6aa2a29966ea884db2cc068d043598341
MD5 hash:
b7d20430884a203aa85cf6aee734bb70
SHA1 hash:
1212dfe8099a6f650e6a707d5232bd0eafbb83c1
SH256 hash:
f67be71928755e1b81ba9305f400d3b2349c60d4ca802d6937c2a66c49b9009b
MD5 hash:
4e62a65a9322614d46395f51b9871090
SHA1 hash:
7aac2d9ec6e93933838da8f559256b9316ee0e92
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:NETDLLMicrosoft
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
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 f67be71928755e1b81ba9305f400d3b2349c60d4ca802d6937c2a66c49b9009b

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments