MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed0b66043d5223c79f2206468bd12d369d933e0db2234508702ce7402579835f. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ed0b66043d5223c79f2206468bd12d369d933e0db2234508702ce7402579835f
SHA3-384 hash: 8c7084a4be595648581e53c2aa31cd9ce01294a069aaf9f6e74144c23a9b05a9b03651d6177a428c4d418732af4bac82
SHA1 hash: d538a849b763558e1577817593d00691e382b81a
MD5 hash: dd6599c8b0d09a38d88ef2c1e1720a6c
humanhash: avocado-romeo-triple-lithium
File name:RFQ _ Virtue 054451000085.exe
Download: download sample
Signature Worm.m0yv
Create hunting rule
File size:1'801'728 bytes
First seen:2024-12-09 07:29:46 UTC
Last seen:2024-12-16 13:06:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 49152:dW0c++OCvkGs9FaUM2jPxFHwMzFJYSgFIDRRAubt5M:8B3vkJ9a27xqMrOUf
TLSH T19585E02273DDC371CB679173FF2AB7056EBB38610630B85B2F940D79A960162162D7A3
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 :
2
# of downloads :
367
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ _ Virtue 054451000085.exe
Verdict:
Malicious activity
Analysis date:
2024-12-09 07:33:49 UTC
Tags:
expiro sinkhole m0yv
Link:
https://app.any.run/tasks/cb951afd-709f-4bb0-a199-b074f2a9121d

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:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67569ca0469da547b39781e3
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
Connection attempt to an infection source
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
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 anti-vm anti-vm autoit cmd compiled-script fingerprint keylogger lolbin microsoft_visual_cc mmc packed packed packer_detected powershell tracker
Link:
https://www.filescan.io/uploads/67569c929e968ceb694a7ef3/reports/d5084ad1-3afb-4f3a-81d2-87f081f4d6d1/overview
Verdict:
Malicious
Labled as:
Virus/Expiro.q@expiro_x3
Link:
https://www.hybrid-analysis.com/sample/ed0b66043d5223c79f2206468bd12d369d933e0db2234508702ce7402579835f
Result
Verdict:
MALICIOUS
Malware family:
Expiro
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fc9ecc29-cb7f-4427-a592-305bf2cdb1c0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1571270
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
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
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
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: 1571270 Sample: RFQ _ Virtue 054451000085.exe Startdate: 09/12/2024 Architecture: WINDOWS Score: 100 44 www.duwixushx.xyz 2->44 46 www.snyp.shop 2->46 48 11 other IPs or domains 2->48 60 Suricata IDS alerts for network traffic 2->60 62 Antivirus detection for URL or domain 2->62 64 Antivirus detection for dropped file 2->64 68 10 other signatures 2->68 10 RFQ _ Virtue 054451000085.exe 3 2->10         started        15 AppVClient.exe 1 2->15         started        17 FXSSVC.exe 15 4 2->17         started        19 6 other processes 2->19 signatures3 66 Performs DNS queries to domains with low reputation 44->66 process4 dnsIp5 50 ssbzmoy.biz 18.141.10.107, 49705, 49707, 49718 AMAZON-02US United States 10->50 52 pywolwnvd.biz 54.244.188.177, 49704, 49706, 49708 AMAZON-02US United States 10->52 36 C:\Windows\System32\alg.exe, PE32+ 10->36 dropped 38 C:\Windows\System32\FXSSVC.exe, PE32+ 10->38 dropped 40 DiagnosticsHub.Sta...llector.Service.exe, PE32+ 10->40 dropped 42 4 other malicious files 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 96 2 other signatures 10->96 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 Machine Learning detection for dropped file 15->92 94 Contains functionality to behave differently if execute on a Russian/Kazak computer 15->94 file6 signatures7 process8 signatures9 70 Maps a DLL or memory area into another process 21->70 24 iavbXasnTxCeiF.exe 21->24 injected process10 signatures11 72 Found direct / indirect Syscall (likely to bypass EDR) 24->72 27 choice.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 iavbXasnTxCeiF.exe 27->30 injected 34 firefox.exe 27->34         started        process14 dnsIp15 54 d48dk.top 154.23.184.207, 49735, 49741, 49747 COGENT-174US United States 30->54 56 www.8312zcksnu.bond 38.165.29.234, 49774, 49781, 49787 COGENT-174US United States 30->56 58 3 other IPs or domains 30->58 98 Found direct / indirect Syscall (likely to bypass EDR) 30->98 signatures16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ed0b66043d5223c79f2206468bd12d369d933e0db2234508702ce7402579835f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ed0b66043d5223c79f2206468bd12d369d933e0db2234508702ce7402579835f/
Threat name:
Win32.Virus.Expiro
Create hunting rule
Status:
Malicious
First seen:
2024-12-07 03:07:47 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=5ufwmbb5kir4phzcazdixujng2ozgpqnwirukcdqfttuajlzqnpq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/241209-jbt6hszrhx/
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
Enumerates physical storage devices
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
Loads dropped DLL
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
trojan Expiro Win.Malware.Expiro-9951780-0
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/aedc9e0f-b2c5-4dee-a7a2-35097d409e4a
Unpacked files
SH256 hash:
3a95f1106d16324178d7f9175c11be417861570e835aa545e34a6ba4df28480e
MD5 hash:
cbc3c382f12ebb527c5470c1421d91f6
SHA1 hash:
c16383d4c6139eb41a73e5a631cb70ac8bf1eb9c
Link:
https://www.unpac.me/results/48ad8f41-b867-4ba5-b44a-7560d0772a88/
SH256 hash:
ed0b66043d5223c79f2206468bd12d369d933e0db2234508702ce7402579835f
MD5 hash:
dd6599c8b0d09a38d88ef2c1e1720a6c
SHA1 hash:
d538a849b763558e1577817593d00691e382b81a
Link:
https://www.unpac.me/results/48ad8f41-b867-4ba5-b44a-7560d0772a88/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ed0b66043d52/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ed0b66043d5223c79f2206468bd12d369d933e0db2234508702ce7402579835f

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:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
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)

File information

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

Malspam

Worm.m0yv

Executable exe ed0b66043d5223c79f2206468bd12d369d933e0db2234508702ce7402579835f

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

Comments