MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77fff1c59aace50f9bbb9184b1086cccb57df0cb5d3b10589a9b6b91283aa719. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77fff1c59aace50f9bbb9184b1086cccb57df0cb5d3b10589a9b6b91283aa719
SHA3-384 hash: 1995f51a02edbaff63fc8742fafc8c600357bcedea71dde27aa82cdeaf250e794c25a1a62b63398bfa1812b8a0e88119
SHA1 hash: a5c6c473fc57e7a8b26bb4acef0be2843aa56653
MD5 hash: c5843430a72fa7b29070c33f0f4d83d2
humanhash: hydrogen-connecticut-texas-grey
File name:INV_NE_02_2034388.exe
Download: download sample
Signature Worm.m0yv
Create hunting rule
File size:1'790'464 bytes
First seen:2024-12-13 07:55:56 UTC
Last seen:2024-12-13 14:11:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 49152:FG0c++OCvkGs9Fabb7Y+gFIDRRAubt5M:0B3vkJ92GUf
TLSH T16B85E02273DDC360CB669173FF6AB7016EBF7C610630B85B1F980D79A960162162D7A3
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 Anonymous
Tags:exe Worm.m0yv

Intelligence

File Origin
# of uploads :
2
# of downloads :
465
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INV_NE_02_2034388.exe
Verdict:
Malicious activity
Analysis date:
2024-12-13 08:16:25 UTC
Tags:
sinkhole expiro m0yv
Link:
https://app.any.run/tasks/c7601246-9d27-44fb-8606-60341fce9d9d

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:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675be9e389dbe216234fadb3
Tags:
autoit emotet
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 autoit compiled-script fingerprint keylogger lolbin microsoft_visual_cc mmc packed packed packer_detected regsvr32
Link:
https://www.filescan.io/uploads/675be89363e8381108d37140/reports/49e3bb08-c02a-4fde-ad0e-83a5a3f90476/overview
Verdict:
Malicious
Labled as:
Virus/Expiro.q@expiro_x3
Link:
https://www.hybrid-analysis.com/sample/77fff1c59aace50f9bbb9184b1086cccb57df0cb5d3b10589a9b6b91283aa719
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/afcfaf28-4cfa-47ef-9ea7-3d75c16a3d61
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1574347
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)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1574347 Sample: INV_NE_02_2034388.exe Startdate: 13/12/2024 Architecture: WINDOWS Score: 100 28 zlenh.biz 2->28 30 uhxqin.biz 2->30 32 5 other IPs or domains 2->32 38 Suricata IDS alerts for network traffic 2->38 40 Antivirus detection for URL or domain 2->40 42 Antivirus detection for dropped file 2->42 44 8 other signatures 2->44 7 INV_NE_02_2034388.exe 3 2->7         started        12 AppVClient.exe 1 2->12         started        14 FXSSVC.exe 15 4 2->14         started        16 7 other processes 2->16 signatures3 process4 dnsIp5 34 ssbzmoy.biz 18.141.10.107, 49702, 49703, 49738 AMAZON-02US United States 7->34 36 pywolwnvd.biz 54.244.188.177, 49700, 49701, 49705 AMAZON-02US United States 7->36 20 C:\Windows\System32\msdtc.exe, PE32+ 7->20 dropped 22 C:\Windows\System32\alg.exe, PE32+ 7->22 dropped 24 C:\Windows\System32\FXSSVC.exe, PE32+ 7->24 dropped 26 6 other malicious files 7->26 dropped 46 Binary is likely a compiled AutoIt script file 7->46 48 Writes to foreign memory regions 7->48 50 Maps a DLL or memory area into another process 7->50 62 3 other signatures 7->62 18 svchost.exe 7->18         started        52 Antivirus detection for dropped file 12->52 54 Creates files in the system32 config directory 12->54 56 Machine Learning detection for dropped file 12->56 58 Contains functionality to behave differently if execute on a Russian/Kazak computer 12->58 60 Found direct / indirect Syscall (likely to bypass EDR) 16->60 file6 signatures7 process8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/77fff1c59aace50f9bbb9184b1086cccb57df0cb5d3b10589a9b6b91283aa719
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77fff1c59aace50f9bbb9184b1086cccb57df0cb5d3b10589a9b6b91283aa719/
Threat name:
Win32.Virus.Expiro
Create hunting rule
Status:
Malicious
First seen:
2024-12-13 01:48:47 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=o777drm2vtsq7g53sgclccdmzs2x34gllu5rawe2tnvzckb2u4mq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/241213-jsn1tsvjap/
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
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/677397e2-0e08-4d62-a5af-ada5aaacc4ab
Unpacked files
SH256 hash:
88e2670a6bb2104f2f6a9f68cfb440794754f86e51cbcda90505eaec3e88b33a
MD5 hash:
607fb3e8dc322ea11c729cdcbaaf18f1
SHA1 hash:
25a260c10376613ad9bd4cc446138d821327166e
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/fa1e6595-3ae2-4307-848d-abe48ebf77fc/
Parent samples :
7eaf7543e2ea4cb939ef6b5a043f98b9cf4fa3231fd3137935e3fe69c4fd98a1
ec01b76e956bceeec02a2bf5004ec837639562729f5ea4fd61f2f9f1ea0e803f
77fff1c59aace50f9bbb9184b1086cccb57df0cb5d3b10589a9b6b91283aa719
f9d78174d15fee469beb09ad3a07fb4a87333cd00477b8dc934568edcb959738
8ddfda62decd6de3185b1ec3bebe067a20a124a39f8483afa9bbc47b3f3d0c09
SH256 hash:
77fff1c59aace50f9bbb9184b1086cccb57df0cb5d3b10589a9b6b91283aa719
MD5 hash:
c5843430a72fa7b29070c33f0f4d83d2
SHA1 hash:
a5c6c473fc57e7a8b26bb4acef0be2843aa56653
Link:
https://www.unpac.me/results/fa1e6595-3ae2-4307-848d-abe48ebf77fc/
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/77fff1c59aace50f9bbb9184b1086cccb57df0cb5d3b10589a9b6b91283aa719

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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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.

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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