MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dff12e1840c3265f14378662e2dbd2e1cad4aa31027ff29056a42964adda27c6. 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: 14


Intelligence 14 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dff12e1840c3265f14378662e2dbd2e1cad4aa31027ff29056a42964adda27c6
SHA3-384 hash: 397067dddafcc5d813724be544ef0a5033363f000bcce6c8821c30745012983c192d2d1dc9358484b3a798438aff92ac
SHA1 hash: 89680c76c0e33ac54a1932df4bfb7aa3e2ee0746
MD5 hash: 5742ab086dc8f6e149625cb4af899678
humanhash: twelve-sodium-nevada-cold
File name:dff12e1840c3265f14378662e2dbd2e1cad4aa31027ff29056a42964adda27c6
Download: download sample
Signature Worm.m0yv
Create hunting rule
File size:1'566'208 bytes
First seen:2025-01-10 14:45:54 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 24576:2u6J3EO0c+JY5UZ+XC0kGso6FaSrEmPWYy/TwSfVcYG3K/cJHlnFR+IGNe8j3Iz:Yp0c++OCvkGs9FaSrIYyLNiXicJFFRGN
TLSH T11C75D02273DDC360CB769173BF29B7016EBB7C654630B8572F881D7DA960262162C7A3
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 :
183
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dff12e1840c3265f14378662e2dbd2e1cad4aa31027ff29056a42964adda27c6
Verdict:
Malicious activity
Analysis date:
2025-01-10 22:46:17 UTC
Tags:
expiro sinkhole evasion snake keylogger m0yv stealer telegram autoit ims-api generic
Link:
https://app.any.run/tasks/97c283f1-f54d-40be-8e66-e52102aa9f74

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678132e72c8240e189bb939e
Tags:
autoit expiro emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the system32 subdirectories
Modifying a system file
Creating a file in the Windows subdirectories
Using the Windows Management Instrumentation requests
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
Launching a process
Connection attempt to an infection source
Loading a system driver
Enabling autorun for a service
Query of malicious DNS domain
Enabling autorun with the shell\open\command registry branches
Infecting executable files
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 autoit compiled-script expiro fingerprint keylogger lolbin microsoft_visual_cc msconfig packed packed packer_detected virus virut wmic
Link:
https://www.filescan.io/uploads/678132b61b01484d158e3977/reports/b2b2cff2-80a5-4118-9a2e-5c990084794d/overview
Verdict:
Malicious
Labled as:
Expiro.Generic
Link:
https://www.hybrid-analysis.com/sample/dff12e1840c3265f14378662e2dbd2e1cad4aa31027ff29056a42964adda27c6
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:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7e13981a-d810-4039-95cf-58dd5900c914
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1588133
Behaviour
Behavior Graph:
n/a
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dff12e1840c3265f14378662e2dbd2e1cad4aa31027ff29056a42964adda27c6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dff12e1840c3265f14378662e2dbd2e1cad4aa31027ff29056a42964adda27c6/
Threat name:
Win32.Virus.Expiro
Create hunting rule
Status:
Malicious
First seen:
2024-12-12 03:09:15 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=37ys4gcaymtf6fbxqzrofw6s4hfnjkrraj77fecwuquwjlo2e7da._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection discovery spyware stealer
Link:
https://tria.ge/reports/250110-r5b6sszlcm/
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
outlook_office_path
outlook_win_path
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
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Verdict:
Suspicious
Tags:
trojan 404keylogger expiro
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/7dc6fd3e-c1e7-4c5b-89ed-98c2969d6f9c
Unpacked files
SH256 hash:
85f1f8f7de7cb67a3e47144086875321ad0ef2e12eb23450084ebbf0fc989086
MD5 hash:
3485eec2c35ab3aac2a8fd965182e7e7
SHA1 hash:
f5a1caafec35a0fc3309d80bf5c133a55854d7f1
Detections:
win_masslogger_w0
Create hunting rule
win_404keylogger_g1
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/119e07de-8da7-4e67-b67e-3166b7baaa98/
Parent samples :
a36f4ee96ff62eee2a503838850d7dce90aabc36a704b742b6814f187618f3c1
0b3ad575168e0457905f19bb5304a8ea8cce461d7b1ebd0964d1171374271e47
3a4bf749beed4f07deb352b6e0faf28c5c2f28d62374a8bbb3eeeb67b1096851
dff12e1840c3265f14378662e2dbd2e1cad4aa31027ff29056a42964adda27c6
SH256 hash:
dff12e1840c3265f14378662e2dbd2e1cad4aa31027ff29056a42964adda27c6
MD5 hash:
5742ab086dc8f6e149625cb4af899678
SHA1 hash:
89680c76c0e33ac54a1932df4bfb7aa3e2ee0746
Link:
https://www.unpac.me/results/119e07de-8da7-4e67-b67e-3166b7baaa98/
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_M0yv_92f66467
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
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:win_masslogger_w0
Create hunting rule
Author:govcert_ch

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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