MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47982e52404153480451980cf1589b7416f031afcf5bf0f23b247cf54273bf1b. 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: 16


Intelligence 16 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 47982e52404153480451980cf1589b7416f031afcf5bf0f23b247cf54273bf1b
SHA3-384 hash: 41523575b59ff5a23f6c8348606668318abb54562ed0b54bbf936d7cb981bd6ff53f44bdc87253a1ea803506b346a801
SHA1 hash: 404049e971c2f990ea53ccb9acd7d5852a20369c
MD5 hash: ed152a514439ada38b9ef0195d9b0402
humanhash: river-may-video-alaska
File name:z1RFQQUOTATION_PMT.exe
Download: download sample
Signature Worm.m0yv
Create hunting rule
File size:1'774'080 bytes
First seen:2025-04-16 02:00:12 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:Mt0c++OCvkGs9FaJXaCJgwKPefY0gFIDRRAubt5M:gB3vkJ96aCJgwbfQUf
TLSH T16685E02273DDC361CB669173FF29B7016EBF3C254630B85B2F940D79A960162162DBA3
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter FXOLabs
Tags:exe Worm.m0yv

Intelligence

File Origin
# of uploads :
1
# of downloads :
564
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
z1RFQQUOTATION_PMT.exe
Verdict:
Malicious activity
Analysis date:
2025-04-16 02:01:02 UTC
Tags:
sinkhole m0yv
Link:
https://app.any.run/tasks/2def60bf-e645-41eb-b77c-b79cbdec7e6f

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/2389/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ff3a38954c9c53de0b6df9
Tags:
autoit emotet expiro virut
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Modifying a system executable file
Creating a file in the Windows subdirectories
Launching a process
Loading a system driver
Modifying a system file
Using the Windows Management Instrumentation requests
Enabling autorun for a service
Query of malicious DNS domain
Connection attempt to an infection source
Enabling autorun with the shell\open\command registry branches
Infecting executable files
Sending an HTTP POST 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 fingerprint keylogger lolbin microsoft_visual_cc packed packed packer_detected regedit
Link:
https://www.filescan.io/uploads/67ff0f6490767142c3d63e79/reports/b1f57d80-2e79-478f-b801-c61146820d2e/overview
Verdict:
Malicious
Labled as:
Expiro.Generic
Link:
https://www.hybrid-analysis.com/sample/47982e52404153480451980cf1589b7416f031afcf5bf0f23b247cf54273bf1b
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/634b4438-fcf9-4a6a-b068-8a94e2d0318d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1665979
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary is likely a compiled AutoIt script file
Contains functionality to behave differently if execute on a Russian/Kazak computer
Creates files in the system32 config directory
Drops executable to a common third party application directory
Found direct / indirect Syscall (likely to bypass EDR)
Infects executable files (exe, dll, sys, html)
Initial sample is a PE file and has a suspicious name
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
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
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: 1665979 Sample: z1RFQQUOTATION_PMT.exe Startdate: 16/04/2025 Architecture: WINDOWS Score: 100 44 www.play-whisper-forge.xyz 2->44 46 www.tqzjixmd.biz 2->46 48 17 other IPs or domains 2->48 60 Suricata IDS alerts for network traffic 2->60 62 Antivirus detection for dropped file 2->62 64 Antivirus / Scanner detection for submitted sample 2->64 68 4 other signatures 2->68 10 z1RFQQUOTATION_PMT.exe 3 2->10         started        15 AppVClient.exe 1 2->15         started        17 alg.exe 2->17         started        19 4 other processes 2->19 signatures3 66 Performs DNS queries to domains with low reputation 44->66 process4 dnsIp5 50 ssbzmoy.biz 13.213.51.196, 49693, 80 AMAZON-02US United States 10->50 52 pywolwnvd.biz 52.11.240.239, 49692, 80 AMAZON-02US United States 10->52 36 C:\Windows\System32\alg.exe, PE32+ 10->36 dropped 38 DiagnosticsHub.Sta...llector.Service.exe, PE32+ 10->38 dropped 40 C:\Windows\System32\AppVClient.exe, PE32+ 10->40 dropped 42 C:\Program Files (x86)\...\armsvc.exe, PE32 10->42 dropped 82 Binary is likely a compiled AutoIt script file 10->82 84 Writes to foreign memory regions 10->84 86 Maps a DLL or memory area into another process 10->86 94 3 other signatures 10->94 21 svchost.exe 10->21         started        88 Antivirus detection for dropped file 15->88 90 Creates files in the system32 config directory 15->90 92 Contains functionality to behave differently if execute on a Russian/Kazak computer 15->92 file6 signatures7 process8 signatures9 70 Maps a DLL or memory area into another process 21->70 24 AeOUXqemxTa9W3sfvCgcJF.exe 21->24 injected process10 signatures11 72 Found direct / indirect Syscall (likely to bypass EDR) 24->72 27 sxstrace.exe 13 24->27         started        process12 signatures13 74 Tries to steal Mail credentials (via file / registry access) 27->74 76 Tries to harvest and steal browser information (history, passwords, etc) 27->76 78 Modifies the context of a thread in another process (thread injection) 27->78 80 3 other signatures 27->80 30 AeOUXqemxTa9W3sfvCgcJF.exe 27->30 injected 34 firefox.exe 27->34         started        process14 dnsIp15 54 www.empero.fun 37.9.175.196, 49702, 49703, 49704 WEBSUPPORT-SRO-SK-ASSK Slovakia (SLOVAK Republic) 30->54 56 www.pigeoncomics.nyc 216.40.34.41, 49714, 49715, 49716 TUCOWSCA Canada 30->56 58 10 other IPs or domains 30->58 96 Found direct / indirect Syscall (likely to bypass EDR) 30->96 signatures16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/47982e52404153480451980cf1589b7416f031afcf5bf0f23b247cf54273bf1b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/47982e52404153480451980cf1589b7416f031afcf5bf0f23b247cf54273bf1b/
Threat name:
Win32.Virus.Expiro
Create hunting rule
Status:
Malicious
First seen:
2025-04-16 01:50:30 UTC
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=i6mc4usaifjuqbcrtagpcwe3oqlpamnpz5n7b4r3er6pkqttx4nq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/250416-cflllsyvhs/
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:
trojan Win.Malware.Expiro-9951780-0 expiro
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/f496816e-72ce-447f-8690-ab2e1e413006
Unpacked files
SH256 hash:
47982e52404153480451980cf1589b7416f031afcf5bf0f23b247cf54273bf1b
MD5 hash:
ed152a514439ada38b9ef0195d9b0402
SHA1 hash:
404049e971c2f990ea53ccb9acd7d5852a20369c
Link:
https://www.unpac.me/results/f806dd2d-3c54-42af-a275-1ebd9a089085/
SH256 hash:
78c0c0f544bcc3e31cc14a3e51ba07753639a4aaf752a030c9bdcdd385b0a30d
MD5 hash:
f085726ad31665ed4e4bafe318f46800
SHA1 hash:
b7a97eaebcf65f1ce16ae41309423bd5b89a1b11
Detections:
AutoIT_Compiled
Create hunting rule
SUSP_Imphash_Mar23_3
Create hunting rule
Link:
https://www.unpac.me/results/f806dd2d-3c54-42af-a275-1ebd9a089085/
SH256 hash:
3ec10f6ae407bae7ad8cff00470ccd7b2f586cd2b3d4a1cd4f5dcb1d4dd31d44
MD5 hash:
82611c7077f0435a5e1954ba1fa54712
SHA1 hash:
8492b8ac883da8a51ae273e6f696e54a83a68094
Link:
https://www.unpac.me/results/f806dd2d-3c54-42af-a275-1ebd9a089085/
SH256 hash:
ed29bb734875fe9888fb357216585e1d1ef26069a1690a6e23aa7dbd1be72da1
MD5 hash:
e5a47654b33ebd2a9360d1801f082922
SHA1 hash:
7b901c647acd850655ca6680b722c9ffcd429514
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f806dd2d-3c54-42af-a275-1ebd9a089085/
SH256 hash:
abdd6f31a909b0b10e30ced74a1f6f037adf1f61a8a842048dbc254d6f076169
MD5 hash:
c33a7f0e25bb3f4d3c19fc8441e9d12b
SHA1 hash:
0286b277e97b9f7c217a0d029e8144f8e20b40b9
Link:
https://www.unpac.me/results/f806dd2d-3c54-42af-a275-1ebd9a089085/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/47982e524041/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/47982e52404153480451980cf1589b7416f031afcf5bf0f23b247cf54273bf1b

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: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: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: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: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.

Malspam

Worm.m0yv

Executable exe 47982e52404153480451980cf1589b7416f031afcf5bf0f23b247cf54273bf1b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/2389/

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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