MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ddfda62decd6de3185b1ec3bebe067a20a124a39f8483afa9bbc47b3f3d0c09. 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


Worm.m0yv


Vendor detections: 15


Intelligence 15 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ddfda62decd6de3185b1ec3bebe067a20a124a39f8483afa9bbc47b3f3d0c09
SHA3-384 hash: baee03b7e35df77fa381fc8991712d337a39784a7e5b238e6f2758075bd16d33feaa937dc7d437e73ed3c01550f1c8d5
SHA1 hash: d03372158b51e7c5925b372758a52ea118d5e09b
MD5 hash: b5c6ac313fa5167296fbe879f26c4e0f
humanhash: lemon-twelve-delaware-oxygen
File name:8ddfda62decd6de3185b1ec3bebe067a20a124a39f8483afa9bbc47b3f3d0c09
Download: download sample
Signature Worm.m0yv
Create hunting rule
File size:1'786'368 bytes
First seen:2025-01-10 14:49:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 49152:oW0c++OCvkGs9FaZZgBafcReY4gFIDRRAubt5M:DB3vkJ9ogAOecUf
Threatray 31 similar samples on MalwareBazaar
TLSH T1D985E02273DDC361CB669173FF29B7016FBB38614630B85B1F940D79A960172262DBA3
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10522/11/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:exe Worm.m0yv

Intelligence

File Origin
# of uploads :
1
# of downloads :
319
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8ddfda62decd6de3185b1ec3bebe067a20a124a39f8483afa9bbc47b3f3d0c09
Verdict:
Malicious activity
Analysis date:
2025-01-11 00:18:30 UTC
Tags:
sinkhole expiro m0yv
Link:
https://app.any.run/tasks/d6b42cd8-70e3-4905-a46f-7bd314ff10cf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Expiro-9951780-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678133d02c8240e189bb95b1
Tags:
autoit emotet expiro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Modifying an executable file
Creating a window
Launching a service
Creating a file in the %temp% directory
Searching for synchronization primitives
Creating a file in the Windows subdirectories
Modifying a system executable file
Launching a process
Loading a system driver
Connection attempt to an infection source
Modifying a system file
Enabling autorun for a service
Query of malicious DNS domain
Infecting executable files
Unauthorized injection to a system process
Sending an HTTP POST request to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script evasive expiro fingerprint hacktool keylogger lolbin microsoft_visual_cc packed packed packer_detected qhost reg schtasks virus virut
Link:
https://www.filescan.io/uploads/678133a80e6ff2c7570330d8/reports/0ae1561d-99e8-4945-be80-ac5a11d980a8/overview
Verdict:
Malicious
Labled as:
Expiro.Generic
Link:
https://www.hybrid-analysis.com/sample/8ddfda62decd6de3185b1ec3bebe067a20a124a39f8483afa9bbc47b3f3d0c09
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Expiro
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5ebdde36-3e7c-442c-92e9-08059fcbce2f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1587962
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Drops executable to a common third party application directory
Found direct / indirect Syscall (likely to bypass EDR)
Infects executable files (exe, dll, sys, html)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1587962 Sample: OVZizpEU7Q.exe Startdate: 10/01/2025 Architecture: WINDOWS Score: 100 33 www.oneeyetrousersnake.xyz 2->33 35 www.tals.xyz 2->35 37 18 other IPs or domains 2->37 49 Suricata IDS alerts for network traffic 2->49 51 Antivirus detection for URL or domain 2->51 53 Antivirus detection for dropped file 2->53 57 7 other signatures 2->57 10 OVZizpEU7Q.exe 3 2->10         started        15 armsvc.exe 2->15         started        signatures3 55 Performs DNS queries to domains with low reputation 35->55 process4 dnsIp5 45 pywolwnvd.biz 54.244.188.177, 49739, 80 AMAZON-02US United States 10->45 29 C:\Windows\System32\alg.exe, PE32+ 10->29 dropped 31 C:\Program Files (x86)\...\armsvc.exe, PE32 10->31 dropped 69 Binary is likely a compiled AutoIt script file 10->69 71 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->71 73 Writes to foreign memory regions 10->73 75 4 other signatures 10->75 17 svchost.exe 10->17         started        file6 signatures7 process8 signatures9 47 Maps a DLL or memory area into another process 17->47 20 CkszoACLEZHP.exe 17->20 injected process10 dnsIp11 39 www.montero-beauty.online 185.104.45.157, 50024, 50025, 50026 UKRAINE-ASUA Ukraine 20->39 41 www.dymar.shop 185.68.16.160, 50036, 50037, 50038 UKRAINE-ASUA Ukraine 20->41 43 11 other IPs or domains 20->43 59 Found direct / indirect Syscall (likely to bypass EDR) 20->59 24 choice.exe 13 20->24         started        signatures12 process13 signatures14 61 Tries to steal Mail credentials (via file / registry access) 24->61 63 Tries to harvest and steal browser information (history, passwords, etc) 24->63 65 Modifies the context of a thread in another process (thread injection) 24->65 67 2 other signatures 24->67 27 firefox.exe 24->27         started        process15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8ddfda62decd6de3185b1ec3bebe067a20a124a39f8483afa9bbc47b3f3d0c09
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8ddfda62decd6de3185b1ec3bebe067a20a124a39f8483afa9bbc47b3f3d0c09/
Threat name:
Win32.Virus.Expiro
Create hunting rule
Status:
Malicious
First seen:
2024-12-16 12:57:40 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rxp5uyw6zvw6ggc3d3b35pqgpiqkcjfdt6cihl5jxpchwpz5bqeq._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
Similar samples:
0ea2f7230b7cb4a06bc6810e647a96d445962148694b45d282d551402d8f52db
Worm.m0yv
1273e390eab2f69aa5ed380f296a7cd6c8ff01142367fe5dd76eae5f515947e2
Worm.m0yv
2a60ca525c89948993b31e2e086a88455e71363863cfc7f835a47c1b657ea4a5
Worm.m0yv
77fff1c59aace50f9bbb9184b1086cccb57df0cb5d3b10589a9b6b91283aa719
Worm.m0yv
7879a69cbb43f52e68e7d93e36e427ea20c699b89d6cd47fd124dc205adebccf
Worm.m0yv
ec01b76e956bceeec02a2bf5004ec837639562729f5ea4fd61f2f9f1ea0e803f
Worm.m0yv
ed0b66043d5223c79f2206468bd12d369d933e0db2234508702ce7402579835f
Worm.m0yv
error
Worm.m0yv
fced488bab6f8793e1ca19858cf208ebc5c2b0ee18087489a2a35eb7fee803af
Worm.m0yv
+ 21 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/250110-r7pjxazmbq/
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
Executes dropped EXE
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
trojan Win.Malware.Expiro-9951780-0
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/52c3819c-a289-4b21-aab5-de87a37a9e40
Unpacked files
SH256 hash:
88e2670a6bb2104f2f6a9f68cfb440794754f86e51cbcda90505eaec3e88b33a
MD5 hash:
607fb3e8dc322ea11c729cdcbaaf18f1
SHA1 hash:
25a260c10376613ad9bd4cc446138d821327166e
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/a797800a-966e-45d4-b8c0-97a2dca57224/
Parent samples :
7eaf7543e2ea4cb939ef6b5a043f98b9cf4fa3231fd3137935e3fe69c4fd98a1
ec01b76e956bceeec02a2bf5004ec837639562729f5ea4fd61f2f9f1ea0e803f
77fff1c59aace50f9bbb9184b1086cccb57df0cb5d3b10589a9b6b91283aa719
f9d78174d15fee469beb09ad3a07fb4a87333cd00477b8dc934568edcb959738
8ddfda62decd6de3185b1ec3bebe067a20a124a39f8483afa9bbc47b3f3d0c09
SH256 hash:
8ddfda62decd6de3185b1ec3bebe067a20a124a39f8483afa9bbc47b3f3d0c09
MD5 hash:
b5c6ac313fa5167296fbe879f26c4e0f
SHA1 hash:
d03372158b51e7c5925b372758a52ea118d5e09b
Link:
https://www.unpac.me/results/a797800a-966e-45d4-b8c0-97a2dca57224/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8ddfda62decd/report/overview.html
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: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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:golang_david_CSC846
Create hunting rule
Author:David
Description:CSC-846 Golang
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
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: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:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Generic_Threat_ebf62328
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.

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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