MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 383caebe1461fcbc3cff8a5661aebe874729496aeb1edf4f4eae3de291222edd. 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: 17


Intelligence 17 IOCs YARA 30 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 383caebe1461fcbc3cff8a5661aebe874729496aeb1edf4f4eae3de291222edd
SHA3-384 hash: 19db5e1b17eab3a6f8a869ee3f5fc74e6c9335553a14ce0a0c31f872dc8165815c74558d22a88e876a722692ac7c2bc2
SHA1 hash: d2936cc782bf107db683024e2a14aedac0ee0e95
MD5 hash: f5d3bfd0123ab77e8d18fd2d10ca62cf
humanhash: carolina-utah-cola-magazine
File name:383caebe1461fcbc3cff8a5661aebe874729496aeb1edf4f4eae3de291222edd
Download: download sample
Signature Expiro
Create hunting rule
File size:1'761'280 bytes
First seen:2025-10-09 14:38:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 91d07a5e22681e70764519ae943a5883 (130 x Formbook, 32 x a310Logger, 27 x AgentTesla)
ssdeep 24576:htb20p0aCqT5TBWgNQ7acEGpcgJFJE4TO6AXsOp4ak6iW4od3PZXrVCRJ5jAA:y1g5tQ7acEGzJu5cOGakUdRUrAA
TLSH T1F485F11363DE8365C3B25273BA69B701AE7F7C2506B5F46B2F94093DF820122525EA73
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon aae2f3e38383b629 (2'644 x Formbook, 1'203 x CredentialFlusher, 911 x AgentTesla)
Reporter adrian__luca
Tags:exe Expiro

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
383caebe1461fcbc3cff8a5661aebe874729496aeb1edf4f4eae3de291222edd
Verdict:
Malicious activity
Analysis date:
2025-10-09 20:03:23 UTC
Tags:
m0yv
Link:
https://app.any.run/tasks/00ad7c85-4a19-48c1-9502-db7f778ca4a9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/31613/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e7cabb277c2bd8bc5e6b22
Tags:
autoit emotet expiro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Modifying a system executable file
Creating a window
Launching a service
Launching a process
Searching for synchronization primitives
Creating a file in the %temp% directory
Loading a system driver
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
Enabling autorun for a service
Query of malicious DNS domain
Infecting executable files
Sending an HTTP POST request to an infection source
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script expiro fingerprint keylogger microsoft_visual_cc obfuscated packed packed packer_detected virus
Link:
https://www.filescan.io/uploads/68e7d9665a3bccf09ebf6ef1/reports/d2998d6c-42e4-4daf-8d09-062c1821e95e/overview
Verdict:
Malicious
Labled as:
Expiro.Generic
Link:
https://www.hybrid-analysis.com/sample/383caebe1461fcbc3cff8a5661aebe874729496aeb1edf4f4eae3de291222edd
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-23T05:29:00Z UTC
Last seen:
2025-10-09T09:36:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/383caebe1461fcbc3cff8a5661aebe874729496aeb1edf4f4eae3de291222edd/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ab10990d-9ec5-4e71-92a4-6f64df874dd6
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/383caebe1461fcbc3cff8a5661aebe874729496aeb1edf4f4eae3de291222edd
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/f5d3bfd0123ab77e8d18fd2d10ca62cf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/383caebe1461fcbc3cff8a5661aebe874729496aeb1edf4f4eae3de291222edd/
Threat name:
Win32.Virus.Expiro
Create hunting rule
Status:
Malicious
First seen:
2025-09-23 08:35:22 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ha6k5pqumh6lyph7rjlgdlv6q5dssslk5mpn6t2ovy66fejcf3oq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery ransomware spyware stealer
Link:
https://tria.ge/reports/251009-s86egsv1hx/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
AutoIT Executable
Drops file in System32 directory
Suspicious use of SetThreadContext
Enumerates connected drives
Executes dropped EXE
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
Expiro
YARA:
n/a
Link:
https://app.threat.zone/submission/17334990-bf8e-4ae0-8c38-80bc661917af
Unpacked files
SH256 hash:
383caebe1461fcbc3cff8a5661aebe874729496aeb1edf4f4eae3de291222edd
MD5 hash:
f5d3bfd0123ab77e8d18fd2d10ca62cf
SHA1 hash:
d2936cc782bf107db683024e2a14aedac0ee0e95
Link:
https://www.unpac.me/results/ade7477f-385c-4ebc-91ff-44e7c3ce3167/
SH256 hash:
2b754fbc004b72d7bdf66f314bc67109ca3a1c28773a33f11cf3ac6875197c39
MD5 hash:
c0cdf12844dfb12efbaecd57722e09a6
SHA1 hash:
eeff82cfe506a276dcbaf56ff15c40be1b80fb61
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ade7477f-385c-4ebc-91ff-44e7c3ce3167/
Parent samples :
59c3fe8651eb9d7fd5a974bd8a6eca5cb93395aea276abf75b1ca9039b1999c9
383caebe1461fcbc3cff8a5661aebe874729496aeb1edf4f4eae3de291222edd
d682668f850d037b27e93fa745f27f7b4ba0b9fdb755f2a1aae5fbe083f535c9
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/383caebe1461/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/383caebe1461fcbc3cff8a5661aebe874729496aeb1edf4f4eae3de291222edd

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
Rule name:Windows_Trojan_M0yv_92f66467
Create hunting rule
Author:Elastic Security
Rule name:win_m0yv_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.m0yv.
Rule name:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/31613/

Comments