MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec01b76e956bceeec02a2bf5004ec837639562729f5ea4fd61f2f9f1ea0e803f. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ec01b76e956bceeec02a2bf5004ec837639562729f5ea4fd61f2f9f1ea0e803f
SHA3-384 hash: 484caf97b8ccf7f7f69cdbdfcb0220b397ee22e11872a8d6316985345bca72469823a6d1b8911002e0e21c597ac86577
SHA1 hash: 23836ce6cfd0bf6617527366879bf36fcd9d3e26
MD5 hash: b5c0bc1ca5223c4b18328235497a2ef6
humanhash: vegan-maryland-low-saturn
File name:MA-DS-2024-03 URGENT.exe
Download: download sample
Signature Worm.m0yv
Create hunting rule
File size:1'762'304 bytes
First seen:2024-12-10 16:53:30 UTC
Last seen:2024-12-16 13:06:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 49152:3d0c++OCvkGs9FagQLJjVMYxgFIDRRAubt5M:tB3vkJ97rUf
Threatray 37 similar samples on MalwareBazaar
TLSH T1CC85E02273DDC361CB669173BF29B7056EBF38250630B85B2F940D7DA960172162DBA3
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 James_inthe_box
Tags:exe Worm.m0yv

Intelligence

File Origin
# of uploads :
2
# of downloads :
417
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MA-DS-2024-03 URGENT.exe
Verdict:
Malicious activity
Analysis date:
2024-12-10 16:54:56 UTC
Tags:
expiro sinkhole m0yv
Link:
https://app.any.run/tasks/3dd76c29-23eb-4aad-9330-0be6cce3bed8

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=6758732d75182a06409ee9e8
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
Launching a process
Loading a system driver
Connection attempt to an infection source
Modifying a system file
Enabling autorun for a service
Query of malicious DNS domain
Enabling autorun with the shell\open\command registry branches
Infecting executable files
Unauthorized injection to a system process
Sending an HTTP POST request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script evasive fingerprint hacktool keylogger lolbin microsoft_visual_cc packed packed packer_detected regsvr32 wmic
Link:
https://www.filescan.io/uploads/6758722ecb4a0b72cd729a6c/reports/a625bf94-f92e-44b5-a87b-9053d47a59cf/overview
Verdict:
Malicious
Labled as:
Virus/Expiro.q@expiro_x3
Link:
https://www.hybrid-analysis.com/sample/ec01b76e956bceeec02a2bf5004ec837639562729f5ea4fd61f2f9f1ea0e803f
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/18a8528e-d317-408a-b3ba-2b059afeae32
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1572587
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary is likely a compiled AutoIt script file
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
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 1572587 Sample: MA-DS-2024-03 URGENT.exe Startdate: 10/12/2024 Architecture: WINDOWS Score: 100 44 www.snyp.shop 2->44 46 www.8312zcksnu.bond 2->46 48 5 other IPs or domains 2->48 58 Suricata IDS alerts for network traffic 2->58 60 Antivirus detection for dropped file 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 7 other signatures 2->64 10 MA-DS-2024-03 URGENT.exe 5 2->10         started        15 AppVClient.exe 1 2->15         started        17 alg.exe 2->17         started        19 4 other processes 2->19 signatures3 process4 dnsIp5 50 pywolwnvd.biz 54.244.188.177, 49699, 80 AMAZON-02US United States 10->50 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 78 Binary is likely a compiled AutoIt script file 10->78 80 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->80 82 Writes to foreign memory regions 10->82 90 3 other signatures 10->90 21 svchost.exe 10->21         started        84 Antivirus detection for dropped file 15->84 86 Creates files in the system32 config directory 15->86 88 Machine Learning detection for dropped file 15->88 file6 signatures7 process8 signatures9 66 Maps a DLL or memory area into another process 21->66 24 fbLIkXRoMf.exe 21->24 injected process10 signatures11 68 Found direct / indirect Syscall (likely to bypass EDR) 24->68 27 choice.exe 13 24->27         started        process12 signatures13 70 Tries to steal Mail credentials (via file / registry access) 27->70 72 Tries to harvest and steal browser information (history, passwords, etc) 27->72 74 Modifies the context of a thread in another process (thread injection) 27->74 76 3 other signatures 27->76 30 fbLIkXRoMf.exe 27->30 injected 34 firefox.exe 27->34         started        process14 dnsIp15 52 d48dk.top 154.23.184.207, 49857, 49863, 49870 COGENT-174US United States 30->52 54 www.8312zcksnu.bond 38.165.29.234, 49896, 49902, 49908 COGENT-174US United States 30->54 56 2 other IPs or domains 30->56 92 Found direct / indirect Syscall (likely to bypass EDR) 30->92 signatures16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ec01b76e956bceeec02a2bf5004ec837639562729f5ea4fd61f2f9f1ea0e803f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec01b76e956bceeec02a2bf5004ec837639562729f5ea4fd61f2f9f1ea0e803f/
Threat name:
Win32.Virus.Expiro
Create hunting rule
Status:
Malicious
First seen:
2024-12-10 14:29:19 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5qa3o3uvnpho5qbkfp2qatwig5rzkytst5pkj7lb6l47d2qoqa7q._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
Similar samples:
0ea2f7230b7cb4a06bc6810e647a96d445962148694b45d282d551402d8f52db
Worm.m0yv
3ca1c11c2d4173581e8007b955c912dd1d6abdb1bafe03924aca8cba437df745
Worm.m0yv
5f0d6bb3445ed0c410b2dd8874cf7fc7b1c4e06cc2e620790eb782f2c339c796
Worm.m0yv
6012722bb5136e7dfcc33763ccd5ec5c2024a1904f928c5c75b8160b13b6ecc9
Worm.m0yv
7879a69cbb43f52e68e7d93e36e427ea20c699b89d6cd47fd124dc205adebccf
Worm.m0yv
9a759f2ef8ee16b697f30aab51fc726f9697b338e0aba56c063860146bbfc76b
Worm.m0yv
b10016211f6c0ad5738fa25a9c742291a7a92ed2c0f383ef30c356fff04f6bcc
Worm.m0yv
b336830d627101633db934f8d48606639c70d133a5985026bc250c035e887faf
Worm.m0yv
ed0b66043d5223c79f2206468bd12d369d933e0db2234508702ce7402579835f
Worm.m0yv
error
Worm.m0yv
+ 27 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/241210-veh37swjal/
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 Win.Malware.Expiro-9951780-0
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/1931bcbd-1b4e-4210-9433-8b758225942b
Unpacked files
SH256 hash:
88e2670a6bb2104f2f6a9f68cfb440794754f86e51cbcda90505eaec3e88b33a
MD5 hash:
607fb3e8dc322ea11c729cdcbaaf18f1
SHA1 hash:
25a260c10376613ad9bd4cc446138d821327166e
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/dcecf5ee-3de2-41b0-9961-462dbe1bf5bd/
Parent samples :
7eaf7543e2ea4cb939ef6b5a043f98b9cf4fa3231fd3137935e3fe69c4fd98a1
ec01b76e956bceeec02a2bf5004ec837639562729f5ea4fd61f2f9f1ea0e803f
77fff1c59aace50f9bbb9184b1086cccb57df0cb5d3b10589a9b6b91283aa719
f9d78174d15fee469beb09ad3a07fb4a87333cd00477b8dc934568edcb959738
8ddfda62decd6de3185b1ec3bebe067a20a124a39f8483afa9bbc47b3f3d0c09
SH256 hash:
ec01b76e956bceeec02a2bf5004ec837639562729f5ea4fd61f2f9f1ea0e803f
MD5 hash:
b5c0bc1ca5223c4b18328235497a2ef6
SHA1 hash:
23836ce6cfd0bf6617527366879bf36fcd9d3e26
Link:
https://www.unpac.me/results/dcecf5ee-3de2-41b0-9961-462dbe1bf5bd/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ec01b76e956b/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/ec01b76e956bceeec02a2bf5004ec837639562729f5ea4fd61f2f9f1ea0e803f

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 ec01b76e956bceeec02a2bf5004ec837639562729f5ea4fd61f2f9f1ea0e803f

(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

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