MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb4ab64877fd2cdde25846a3f8fbf32574dc4cd3b0b4fb293fca97956312d100. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: bb4ab64877fd2cdde25846a3f8fbf32574dc4cd3b0b4fb293fca97956312d100
SHA3-384 hash: 171c4349de86a356779f6bd99264ee4a38533c25257871b5df27c38e674f28a9b0ee7b411ffb519ce1ca021f291ade3e
SHA1 hash: 02d0024ffc66fab38c6822b841e6050c795f0d1f
MD5 hash: dd3e1b1b67b0e306ea439eea25dabde1
humanhash: lactose-mike-triple-grey
File name:xtmbvevubg.pre
Download: download sample
Signature Mekotio
File size:9'559'552 bytes
First seen:2023-01-19 17:28:56 UTC
Last seen:2023-01-19 19:39:32 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash a2ce42705b596905e73dbf5cba0ffbc1 (7 x Mekotio)
ssdeep 196608:pCWbWByiLRmTzyHmuny3vcwL8UvGuLXgFM4:wEWBPlmvy9yfRL8UvGuLXz
Threatray 18'541 similar samples on MalwareBazaar
TLSH T134A633B601807EC7D665A3B57C2A44059D21FD728F81127CF05FAFE1809A68CDFB4BA9
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


Avatar
Merlax_
Payload from 15.228.46.]182:5050

Intelligence


File Origin
# of uploads :
2
# of downloads :
226
Origin country :
AR AR
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Searching for analyzing tools
Sending a custom TCP request
Сreating synchronization primitives
Creating a window
Creating a file in the %temp% directory
Verdict:
No Threat
Threat level:
  2/10
Confidence:
67%
Tags:
hacktool packed shell32.dll
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:
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: 787668 Sample: xtmbvevubg.pre.dll Startdate: 19/01/2023 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 47 Query firmware table information (likely to detect VMs) 8->47 49 DLL side loading technique detected 8->49 51 Tries to detect sandboxes / dynamic malware analysis system (registry check) 8->51 11 rundll32.exe 1 8->11         started        15 rundll32.exe 8->15         started        17 cmd.exe 1 8->17         started        19 6 other processes 8->19 process5 file6 35 C:\Users\user\AppData\Local\...\3978a53c.dll, PE32 11->35 dropped 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 21 WerFault.exe 21 9 11->21         started        23 WerFault.exe 15->23         started        26 rundll32.exe 17->26         started        29 WerFault.exe 9 19->29         started        31 WerFault.exe 19->31         started        signatures7 process8 dnsIp9 37 192.168.2.1 unknown unknown 23->37 53 Tries to detect sandboxes / dynamic malware analysis system (registry check) 26->53 33 WerFault.exe 5 9 26->33         started        signatures10 process11
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-01-19 17:29:12 UTC
File Type:
PE (Dll)
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
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:
bb4ab64877fd2cdde25846a3f8fbf32574dc4cd3b0b4fb293fca97956312d100
MD5 hash:
dd3e1b1b67b0e306ea439eea25dabde1
SHA1 hash:
02d0024ffc66fab38c6822b841e6050c795f0d1f
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:INDICATOR_EXE_Packed_Themida
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB

File information


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

Comments