MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d540fbd1b9da8c58529bc6b0952b5b1be8a781b0d69e5a8dbbd2da5655c90cff. 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



Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 6 File information Comments

SHA256 hash: d540fbd1b9da8c58529bc6b0952b5b1be8a781b0d69e5a8dbbd2da5655c90cff
SHA3-384 hash: b2e267ebd28b76697b514b824946084eeb47e4e6cb39f3ad8e18bd0bf4ea3dfb53236f15cb346b9f986495257972244f
SHA1 hash: 2606f9e7b936ffaa46d10a5399bd806127581408
MD5 hash: e9357860da175e982c5d4c648178276c
humanhash: arizona-failed-triple-mike
File name:freebobux.exe
Download: download sample
File size:1'309'696 bytes
First seen:2026-08-08 16:40:42 UTC
Last seen:2026-08-09 09:24:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a2dc5809199ed2fa26407d151db80917
ssdeep 24576:a0FRl+eAYbHdSmE26C1ak6OutO9CU3c9V5fXEusKL2Td6qgd6Kx/UD0:xFRlPAXbC1aqchKmapKx8
TLSH T1A95533D3F839BD32E8112E3A0DB2B26D508309A65524EE6CBDEE84FB44419BD5BCC541
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Anonymous
Tags:exe

Intelligence


File Origin
# of uploads :
6
# of downloads :
121
Origin country :
KR KR
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-08-08 17:07:18 UTC
Tags:
themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypto microsoft_visual_cc obfuscated packed packed themidawinlicense
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-08-08T14:49:00Z UTC
Last seen:
2026-08-09T11:15:00Z UTC
Hits:
~100
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Packed.Generic
Status:
Suspicious
First seen:
2026-08-08 16:51:45 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
9 of 24 (37.50%)
Threat level:
  1/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery themida trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks whether UAC is enabled
Checks BIOS information in registry
Themida packer
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Unpacked files
SH256 hash:
d540fbd1b9da8c58529bc6b0952b5b1be8a781b0d69e5a8dbbd2da5655c90cff
MD5 hash:
e9357860da175e982c5d4c648178276c
SHA1 hash:
2606f9e7b936ffaa46d10a5399bd806127581408
SH256 hash:
57bcb16ef2ec16af00273c42a4638e2c195fa0fe1f9d56f9c0bca7d567285734
MD5 hash:
9b99d4e03d1ca082f962cc64276e447a
SHA1 hash:
720f45682885e699df2d5ba6c25b64b1cd9f3a77
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HeavensGate
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:INDICATOR_EXE_Packed_Themida
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:telebot_framework
Author:vietdx.mb
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Malspam

Executable exe d540fbd1b9da8c58529bc6b0952b5b1be8a781b0d69e5a8dbbd2da5655c90cff

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments