MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59c3fe8651eb9d7fd5a974bd8a6eca5cb93395aea276abf75b1ca9039b1999c9. 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: 18


Intelligence 18 IOCs YARA 31 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 59c3fe8651eb9d7fd5a974bd8a6eca5cb93395aea276abf75b1ca9039b1999c9
SHA3-384 hash: 9377bfd309b832d8fdbfd9e0fce1f9cd47b2f9772d76e4a702ade1f52a1c754e4e35c2850204893b08c60f6f3e3675eb
SHA1 hash: 6744d2ef23337c1da32abee960f1cf124faaf84f
MD5 hash: c568acefc7423fce71139362e7b59b19
humanhash: robert-sink-echo-enemy
File name:59c3fe8651eb9d7fd5a974bd8a6eca5cb93395aea276abf75b1ca9039b1999c9
Download: download sample
Signature Expiro
Create hunting rule
File size:1'776'128 bytes
First seen:2025-09-19 09:48:12 UTC
Last seen:2025-09-19 10:04:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 91d07a5e22681e70764519ae943a5883 (130 x Formbook, 32 x a310Logger, 27 x AgentTesla)
ssdeep 24576:btb20phaCqT5TBWgNQ7abKSdrNuhNRguL6lefy0X6A3sOp4ak6iW4od3PZXrVCRf:Ymg5tQ7abzYhR2C58OGakUdRUrAA
Threatray 2'748 similar samples on MalwareBazaar
TLSH T1C585F11263DE8361C7725273BA66B701BE7F7C2506A5F46B2FD4093DE830222525EA73
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, 910 x AgentTesla)
Reporter JAMESWT_WT
Tags:7130ce-vip exe Expiro gooder-bar

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
59c3fe8651eb9d7fd5a974bd8a6eca5cb93395aea276abf75b1ca9039b1999c9
Verdict:
Malicious activity
Analysis date:
2025-09-19 10:05:18 UTC
Tags:
m0yv
Link:
https://app.any.run/tasks/79d36287-9b3b-420f-a157-79c6c51d3778

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/28297/
Detection(s):
SecuriteInfo.com.Win32.Expiro-1.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.Expiro-2.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68cd27096b621794b130dff3
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
Sending a custom TCP request
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc obfuscated packed packed packer_detected similar-threat
Link:
https://www.filescan.io/uploads/68cd273873af424b47e757e3/reports/02ba3395-0c5d-4219-9dbc-fab4bb2c0536/overview
Verdict:
Malicious
Labled as:
Expiro.Generic
Link:
https://www.hybrid-analysis.com/sample/59c3fe8651eb9d7fd5a974bd8a6eca5cb93395aea276abf75b1ca9039b1999c9
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-17T21:13:00Z UTC
Last seen:
2025-09-17T21:13:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/59c3fe8651eb9d7fd5a974bd8a6eca5cb93395aea276abf75b1ca9039b1999c9/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7b86f7a8-9dfe-4fed-b37e-52bdb530d999
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/59c3fe8651eb9d7fd5a974bd8a6eca5cb93395aea276abf75b1ca9039b1999c9
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/c568acefc7423fce71139362e7b59b19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/59c3fe8651eb9d7fd5a974bd8a6eca5cb93395aea276abf75b1ca9039b1999c9/
Threat name:
Win32.Virus.Expiro
Create hunting rule
Status:
Malicious
First seen:
2025-09-19 09:50:54 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lhb75bsr5oox7vnjos6yu3wkls4thfnouj3kx523dsuqhgyztheq._file
Verdict:
malicious
Label(s):
m0yv
Create hunting rule
autoit
Create hunting rule
Similar samples:
0ea246c52245f5dd919aead5707821080a13b70af25218973a14f373a4691ec3
Expiro
38f9926ddf5c8c04566dafb0da2bdba633cf6578f3de13d1cf9c6e7502d54345
Expiro
39c3b1276f2519a918613c7c33662a21ed9453482d40692b872b36c40933ffe3
Expiro
7c0f7f7b7442b12b297cb0b9c93c3d4083e1752c7ffb965830ab4266ee194ee6
Expiro
83aae40b4302b1f8ff78d0e9cb375571979139ffa1e870f79ccb4f861bfc396b
Expiro
9f245a4fad1a5fc0476cbac1401a05fd83cdd429ddcef8a3ba6bb70522db7967
Expiro
ed63b2f51317e102654f2c8e08ee712e0c4f898dd3b4d7ad38ca34e69fbc7f6c
Expiro
error
Expiro
+ 2'738 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/250919-ltp1magq6y/
Verdict:
Malicious
Tags:
Expiro
YARA:
n/a
Link:
https://app.threat.zone/submission/3f0fe0de-f8ec-4b7e-8799-3fdd04f76237
Unpacked files
SH256 hash:
59c3fe8651eb9d7fd5a974bd8a6eca5cb93395aea276abf75b1ca9039b1999c9
MD5 hash:
c568acefc7423fce71139362e7b59b19
SHA1 hash:
6744d2ef23337c1da32abee960f1cf124faaf84f
Link:
https://www.unpac.me/results/6f07ab9c-2ed9-4686-81df-1176a8f02567/
SH256 hash:
2b754fbc004b72d7bdf66f314bc67109ca3a1c28773a33f11cf3ac6875197c39
MD5 hash:
c0cdf12844dfb12efbaecd57722e09a6
SHA1 hash:
eeff82cfe506a276dcbaf56ff15c40be1b80fb61
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/6f07ab9c-2ed9-4686-81df-1176a8f02567/
Parent samples :
59c3fe8651eb9d7fd5a974bd8a6eca5cb93395aea276abf75b1ca9039b1999c9
383caebe1461fcbc3cff8a5661aebe874729496aeb1edf4f4eae3de291222edd
d682668f850d037b27e93fa745f27f7b4ba0b9fdb755f2a1aae5fbe083f535c9
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/59c3fe8651eb/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/59c3fe8651eb9d7fd5a974bd8a6eca5cb93395aea276abf75b1ca9039b1999c9

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_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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/28297/

Comments