MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 959b2730733cbdf318af517c330cf36c00c35aced596cc91af84d610dbe45c8a. 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



Expiro


Vendor detections: 14


Intelligence 14 IOCs YARA 9 File information Comments

SHA256 hash: 959b2730733cbdf318af517c330cf36c00c35aced596cc91af84d610dbe45c8a
SHA3-384 hash: d73421a6371745bf0fcd2e322a2e63222c5f700fbbd9bdadc301425191683456531109f7d169d15c8c627acdb3008437
SHA1 hash: f4cd0fd8ea8e8296c4b4a7aeba78e258ae1693e3
MD5 hash: b5eb5b78b16d5397ca032357f728788a
humanhash: blue-edward-floor-alpha
File name:1.exe
Download: download sample
Signature Expiro
File size:1'310'720 bytes
First seen:2025-08-06 07:05:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c8d8ab2105b98430234d0a20519aef66 (8 x Gh0stRAT, 1 x Expiro)
ssdeep 12288:HQEYuezXc3ajG+hjQKymY8efKCpD7Gj9G6G1qT8nQkCu83L3Wl/np9DBDt3kbE:wEJezsqjnhMgeiCl7G0nehbGZpbD
Threatray 120 similar samples on MalwareBazaar
TLSH T1DF55126B70E8B7F6C61381754BA4CA3BB4E6F93DDC210883674B6B495F74AD08E39112
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10522/11/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter Joker
Tags:exe Expiro

Intelligence


File Origin
# of uploads :
1
# of downloads :
56
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1.exe
Verdict:
Malicious activity
Analysis date:
2025-08-06 07:06:02 UTC
Tags:
m0yv antivm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect expiro farfli madi
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for synchronization primitives
Loading a system driver
Loading a suspicious library
Creating a file in the system32 subdirectories
Creating a process from a recently created file
Creating a window
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the Windows subdirectories
Modifying a system executable file
Creating a service
Launching a service
Enabling autorun for a service
Query of malicious DNS domain
Moving of the original file
Infecting executable files
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
iceid keylogger lolbin microsoft_visual_cc obfuscated overlay rundll32
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
Win32.Virus.Expiro
Status:
Malicious
First seen:
2025-08-06 07:08:00 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
34 of 38 (89.47%)
Threat level:
  5/5
Result
Malware family:
gh0strat
Score:
  10/10
Tags:
family:gh0strat discovery persistence ransomware rat spyware stealer
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Enumerates connected drives
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Server Software Component: Terminal Services DLL
Gh0st RAT payload
Gh0strat
Gh0strat family
Verdict:
Malicious
Tags:
Win.Malware.Gh0stRAT-9878673-1 Expiro
YARA:
n/a
Unpacked files
SH256 hash:
959b2730733cbdf318af517c330cf36c00c35aced596cc91af84d610dbe45c8a
MD5 hash:
b5eb5b78b16d5397ca032357f728788a
SHA1 hash:
f4cd0fd8ea8e8296c4b4a7aeba78e258ae1693e3
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:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Generic_Threat_ebf62328
Author:Elastic Security
Rule name:win_m0yv_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.m0yv.

File information


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

Web download

Expiro

Executable exe 959b2730733cbdf318af517c330cf36c00c35aced596cc91af84d610dbe45c8a

(this sample)

  
Delivery method
Distributed via web download

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