MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7db9ca7dbe9a5724ef452585280e73a1a73563cc6a2559f2588d613454f70261. 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: 15


Intelligence 15 IOCs YARA 8 File information Comments

SHA256 hash: 7db9ca7dbe9a5724ef452585280e73a1a73563cc6a2559f2588d613454f70261
SHA3-384 hash: 7ad55fc27a24d3d7e9f9ce3592fb7855eb4fd9f3bbcc2b718fad16d888e7812af886755acc064faa7bf56447dafeef5e
SHA1 hash: 0b8058088b47edbcf963ac2ac7d5b23fa35e0e90
MD5 hash: 13bf2819401d2f983fff90c1960831b8
humanhash: ceiling-zebra-tango-equal
File name:AsusSetup.exe
Download: download sample
Signature Expiro
File size:5'251'072 bytes
First seen:2024-10-28 15:35:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 624b40321b3d0fd2a008a7271554dd30 (1 x Expiro)
ssdeep 98304:pmuSFdw5ujhEMdcbJFLOAkGkzdnEVomFHKnPV7wRGpj3:ChKMdcNFLOyomFHKnPpF9
Threatray 27 similar samples on MalwareBazaar
TLSH T1FE36BF4AAFEC40E8D4A6D035C96B895BD7B6BC601631878F1064775F6F333918E2E326
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon c8949c8de6b2aec6 (2 x Formbook, 2 x DonutLoader, 1 x Expiro)
Reporter lschab
Tags:exe Expiro

Intelligence


File Origin
# of uploads :
1
# of downloads :
398
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AsusSetup.exe
Verdict:
Malicious activity
Analysis date:
2024-10-28 15:21:28 UTC
Tags:
expiro sinkhole m0yv loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Shellcode Expiro Trojan Hype
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
Searching for the window
Connection attempt to an infection source
Searching for synchronization primitives
Creating a file in the Windows subdirectories
Modifying a system executable file
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm apt expand fingerprint keylogger lolbin microsoft_visual_cc packed packed packer_detected setupapi shell32
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.
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped 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)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries random domain names (often used to prevent blacklisting and sinkholes)
Suricata IDS alerts for network traffic
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1543957 Sample: AsusSetup.exe Startdate: 28/10/2024 Architecture: WINDOWS Score: 100 33 zyiexezl.biz 2->33 35 zrlssa.biz 2->35 37 124 other IPs or domains 2->37 51 Suricata IDS alerts for network traffic 2->51 53 Antivirus detection for dropped file 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 6 other signatures 2->57 6 alg.exe 1 2->6         started        11 AsusSetup.exe 1 2->11         started        13 FXSSVC.exe 15 4 2->13         started        15 7 other processes 2->15 signatures3 process4 dnsIp5 39 zyiexezl.biz 18.208.156.248, 49975, 50009, 50013 AMAZON-AESUS United States 6->39 41 xccjj.biz 18.246.231.120, 50012, 50022, 50034 AMAZON-02US United States 6->41 49 16 other IPs or domains 6->49 17 C:\Program Files\...\updater.exe, PE32+ 6->17 dropped 19 C:\Program Files\...\private_browsing.exe, PE32+ 6->19 dropped 21 C:\Program Files\...\plugin-container.exe, PE32+ 6->21 dropped 29 115 other malicious files 6->29 dropped 59 Creates files in the system32 config directory 6->59 61 Drops executable to a common third party application directory 6->61 63 Infects executable files (exe, dll, sys, html) 6->63 43 jifai.biz 44.221.84.105, 49709, 49711, 49941 AMAZON-AESUS United States 11->43 45 wluwplyh.biz 18.141.10.107, 49706, 49707, 49720 AMAZON-02US United States 11->45 47 cvgrf.biz 54.244.188.177, 49704, 49705, 49708 AMAZON-02US United States 11->47 23 C:\Windows\System32\msdtc.exe, PE32+ 11->23 dropped 25 C:\Windows\System32\alg.exe, PE32+ 11->25 dropped 27 C:\Windows\System32\FXSSVC.exe, PE32+ 11->27 dropped 31 6 other malicious files 11->31 dropped 65 Contains functionality to behave differently if execute on a Russian/Kazak computer 11->65 67 Found direct / indirect Syscall (likely to bypass EDR) 15->67 file6 signatures7
Threat name:
Win64.Virus.Expiro
Status:
Malicious
First seen:
2024-10-28 15:36:25 UTC
File Type:
PE+ (Exe)
Extracted files:
806
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
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
Drops file in System32 directory
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
lazarus lazarus
YARA:
n/a
Unpacked files
SH256 hash:
7c3d7a0efddef69a121c1da31cc65973ce1785da7220fad8bd50153369327ae7
MD5 hash:
a7c7f4ddfff1c460aadf055e8716bb15
SHA1 hash:
a489bc51b05ddd822a31af3f0329cd5d588c9cf6
SH256 hash:
0b3b8809c918542661f11c04a2cfb8169894f8c6f952dfc80e0e24fe2b0424a6
MD5 hash:
1a0964934a5b92d95e4951418d9dbfc4
SHA1 hash:
12d0e7451c64aec0764271210b8c8f9e2e7781dc
SH256 hash:
7db9ca7dbe9a5724ef452585280e73a1a73563cc6a2559f2588d613454f70261
MD5 hash:
13bf2819401d2f983fff90c1960831b8
SHA1 hash:
0b8058088b47edbcf963ac2ac7d5b23fa35e0e90
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:APT_Lazarus_Loader_Dec_2020_1
Author:Arkbird_SOLG
Description:Detect loader used by Lazarus group in december 2020
Reference:Internal Research
Rule name:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks

File information


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

  
Dropping
Expiro
  
Delivery method
Distributed via drive-by

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 (GUARD_CF)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::GetLengthSid
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoFreeUnusedLibraries
ole32.dll::CreateStreamOnHGlobal
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipDeleteGraphics
gdiplus.dll::GdipAlloc
gdiplus.dll::GdipCreateFromHDC
MULTIMEDIA_APICan Play MultimediaWINMM.dll::PlaySoundW
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::SetTokenInformation
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
SHLWAPI.dll::PathRemoveFileSpecW
KERNEL32.dll::GetWindowsDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryInfoKeyA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::CreateMenu
ole32.dll::OleCreateMenuDescriptor
USER32.dll::EmptyClipboard
USER32.dll::FindWindowW
USER32.dll::OpenClipboard

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