MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b25093f6574ff5b2d7ffd787b487c7182427fe43d52d6a15601ca50ff34910fd. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments

SHA256 hash: b25093f6574ff5b2d7ffd787b487c7182427fe43d52d6a15601ca50ff34910fd
SHA3-384 hash: d0fb11e86ce833feacacdd3ae730c468f8cfeeb521c4fe3704e1a7e2de1b5e10196259bb338179c78b75d5921fa22695
SHA1 hash: 6b0f024c4c08c8ee43516f2ac8e3f30780f570b1
MD5 hash: e06cc4d6d048ae9c8c0636135278d807
humanhash: table-mountain-echo-maine
File name:b25093f6574ff5b2d7ffd787b487c7182427fe43d52d6a15601ca50ff34910fd.exe
Download: download sample
Signature Expiro
File size:1'838'080 bytes
First seen:2026-03-31 03:42:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 59dd7ae6bef680b839d5a65e314ee5ce (1 x CoinMiner, 1 x Expiro)
ssdeep 49152:hr/T43fxo3C9/C6WdiCNOYcsx4x8EVep:hrMpokC6+1ix8EVy
Threatray 276 similar samples on MalwareBazaar
TLSH T1AE852324B6D68030E5B719324AF0E6B41A7CFC309F72895F57552A1FAAB04D1EA38377
TrID 29.5% (.EXE) Win64 Executable (generic) (6522/11/2)
22.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon 696a6ee2b2b2c2cc (18 x RedLineStealer, 17 x LummaStealer, 17 x ValleyRAT)
Reporter KnownSpotter
Tags:exe Expiro

Intelligence


File Origin
# of uploads :
1
# of downloads :
116
Origin country :
CA CA
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
b25093f6574ff5b2d7ffd787b487c7182427fe43d52d6a15601ca50ff34910fd.exe
Verdict:
Malicious activity
Analysis date:
2026-03-31 03:33:30 UTC
Tags:
m0yv phishing

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

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Modifying a system executable file
Creating a file in the Program Files subdirectories
Launching a service
Launching a process
Searching for synchronization primitives
Loading a system driver
Creating a window
Connection attempt to an infection source
Creating a file in the system32 subdirectories
Modifying an executable file
Modifying a system file
Creating a file in the Windows subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun for a service
Query of malicious DNS domain
Infecting executable files
Sending an HTTP POST request to an infection source
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-12T22:18:00Z UTC
Last seen:
2026-03-31T04:45:00Z UTC
Hits:
~10
Detections:
Virus.Win64.Moiva.a Virus.Win32.Moiva.a HEUR:Virus.Win32.Generic HEUR:Trojan.Win64.Kryplod.pef
Malware family:
Generic Malware
Verdict:
Malicious
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Virus.Expiro
Status:
Malicious
First seen:
2026-01-14 10:27:01 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
31 of 36 (86.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery ransomware 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 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
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
b25093f6574ff5b2d7ffd787b487c7182427fe43d52d6a15601ca50ff34910fd
MD5 hash:
e06cc4d6d048ae9c8c0636135278d807
SHA1 hash:
6b0f024c4c08c8ee43516f2ac8e3f30780f570b1
SH256 hash:
0840fefc1e736bb1f9fcfe5e793ed43f15be7491f8062aabdaf4efeb81a6e5a2
MD5 hash:
f5485e561bd78ebfd71f235f7c11ab5d
SHA1 hash:
09ec8170bdd9b3e6a91a818f0b6c777739bf8e9e
SH256 hash:
397502bb6250b2e28332e4a0c22684c40327bcb193719a4c0c0d60609718a51b
MD5 hash:
7a075e6a3b78b68ac5eca80c694476e4
SHA1 hash:
18f12c961527415eb34ca3c0cc9005dd6281b233
SH256 hash:
6b9cf6d9f8d661ca1de7f8fc7d2e2602d494ec429576583c9523582c8eb833bf
MD5 hash:
d34517d9691d8d370a25b19346a0787b
SHA1 hash:
5b6aa458f1d0759bee1238dc6e6f082f3d6e17fd
SH256 hash:
a6e396f7e632e6d2c2cb6e924505505016eed4a17ff8c88cbe2fba5833fe8839
MD5 hash:
8bc9478514d6ee4b7610f48d276e6a0f
SHA1 hash:
7e022daa6a4db92d6ac0b0762a2e188f7fcaf6a3
SH256 hash:
38b9be5e2a39ce48c22415ec3ff0afce4d436634f48dc33fc5abaf0d95449b01
MD5 hash:
f34130517925a4ae30b84f7c8f75ec68
SHA1 hash:
03bac7880c31551fb282cd0c7a03ae93901474b0
SH256 hash:
9146db104797655d5a84c55c612a87cb0eb359b4843812819a5f0f1fa9b8f6b0
MD5 hash:
33126747f897b974669735ea0ce3b955
SHA1 hash:
cd4d67ebf40bec88444e60e59e9f9f3acbd7015c
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:pe_detect_tls_callbacks
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
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:Windows_Trojan_M0yv_92f66467
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.

Comments