MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63f3996126283fd499958cd927dab52f6f4c746af5f2a89048b593de9fbea39d. 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



Mekotio


Vendor detections: 6


Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash: 63f3996126283fd499958cd927dab52f6f4c746af5f2a89048b593de9fbea39d
SHA3-384 hash: 32ca7baccbb1592d7687fa7343f7383a0c40c488ba55e86bfb7337610395de0e781eabf4e31245d77679830c0979aa47
SHA1 hash: c5c8f6dbab7a74950a94fbf4df6ff5dede823bca
MD5 hash: 686aca27ffdd817a29176eb1d8c5e329
humanhash: mississippi-emma-alanine-pip
File name:ubfoahcrrd.mec
Download: download sample
Signature Mekotio
File size:9'517'568 bytes
First seen:2023-01-18 14:37:14 UTC
Last seen:2023-01-18 16:31:18 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash a2ce42705b596905e73dbf5cba0ffbc1 (7 x Mekotio)
ssdeep 196608:8yKhvq8Lc+d7tDO2W9nFBq04JZgeHlA8by8WwDT6ZllfZpSK1cD1pHU:HgLc+dxDOXFM0IZtFhbDDul7SK1m
TLSH T161A633B340C17D9BC5B543B63D3399059C28F9368F426221F91FAAA2915A48DCFF9F60
TrID 29.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.3% (.EXE) Win32 Executable (generic) (4505/5/1)
13.5% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
9.3% (.EXE) Win16/32 Executable Delphi generic (2072/23)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter Merlax_
Tags:dll Mekotio

Intelligence


File Origin
# of uploads :
2
# of downloads :
270
Origin country :
AR AR
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for analyzing tools
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file in the %temp% directory
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi hacktool mekotio packed shell32.dll
Result
Verdict:
UNKNOWN
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:
Unknown
Detection:
malicious
Classification:
evad
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
DLL side loading technique detected
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 786708 Sample: ubfoahcrrd.mec.dll Startdate: 18/01/2023 Architecture: WINDOWS Score: 80 39 Antivirus / Scanner detection for submitted sample 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Machine Learning detection for sample 2->43 45 PE file contains section with special chars 2->45 8 loaddll32.exe 1 2->8         started        process3 signatures4 49 Query firmware table information (likely to detect VMs) 8->49 51 DLL side loading technique detected 8->51 53 Tries to detect sandboxes / dynamic malware analysis system (registry check) 8->53 11 rundll32.exe 8->11         started        14 cmd.exe 1 8->14         started        16 rundll32.exe 8->16         started        18 6 other processes 8->18 process5 signatures6 55 Tries to detect sandboxes and other dynamic analysis tools (window names) 11->55 57 Tries to detect sandboxes / dynamic malware analysis system (registry check) 11->57 20 WerFault.exe 5 9 11->20         started        22 rundll32.exe 1 14->22         started        26 WerFault.exe 16->26         started        29 WerFault.exe 3 9 18->29         started        31 WerFault.exe 18->31         started        process7 dnsIp8 35 C:\Users\user\AppData\Local\...\22d2c7b5.dll, PE32 22->35 dropped 47 Tries to detect sandboxes / dynamic malware analysis system (registry check) 22->47 33 WerFault.exe 18 9 22->33         started        37 192.168.2.1 unknown unknown 26->37 file9 signatures10 process11
Threat name:
Win32.Trojan.Malgent
Status:
Malicious
First seen:
2023-01-18 14:38:13 UTC
File Type:
PE (Dll)
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  9/10
Tags:
evasion themida trojan
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Checks whether UAC is enabled
Checks BIOS information in registry
Loads dropped DLL
Themida packer
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Unpacked files
SH256 hash:
c09d0790e550694350b94ca6b077c54f983c135fab8990df5a75462804150912
MD5 hash:
d8f4ab8284f0fda871d6834e24bc6f37
SHA1 hash:
641948e44a1dcfd0ef68910768eb4b1ea6b49d10
SH256 hash:
63f3996126283fd499958cd927dab52f6f4c746af5f2a89048b593de9fbea39d
MD5 hash:
686aca27ffdd817a29176eb1d8c5e329
SHA1 hash:
c5c8f6dbab7a74950a94fbf4df6ff5dede823bca
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:INDICATOR_EXE_Packed_Themida
Author:ditekSHen
Description:Detects executables packed with Themida

File information


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

Comments