IOC Report
nested-Mail delivery failed%3A returning message to sender.eml

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Files

File Path
Type
Category
Malicious
nested-Mail delivery failed%3A returning message to sender.eml
RFC 822 mail, ASCII text, with CRLF line terminators
initial sample
C:\Users\user\AppData\Local\Microsoft\FORMS\FRMCACHE.DAT
data
dropped
C:\Users\user\AppData\Local\Microsoft\Office\OTele\outlook.exe.db-shm
data
dropped
C:\Users\user\AppData\Local\Microsoft\Office\OTele\outlook.exe.db-wal
SQLite Write-Ahead Log, version 3007000
modified
C:\Users\user\AppData\Local\Temp\Diagnostics\OUTLOOK\App1730304034921231500_DAB0B70B-0E32-4348-A09B-C620491E8F34.log
ASCII text, with very long lines (28785), with CRLF line terminators
dropped
C:\Users\user\AppData\Local\Temp\Diagnostics\OUTLOOK\App1730304034922899800_DAB0B70B-0E32-4348-A09B-C620491E8F34.log
data
dropped
C:\Users\user\AppData\Local\Temp\Outlook Logging\OUTLOOK_16_0_16827_20130-20241030T1200340314-7348.etl
data
dropped
C:\Users\user\AppData\Roaming\Microsoft\Office\MSO3072.acl
data
dropped
C:\Users\user\Documents\Outlook Files\Outlook Data File - NoEmail.pst
Microsoft Outlook email folder (>=2003)
dropped
C:\Users\user\Documents\Outlook Files\~Outlook Data File - NoEmail.pst.tmp
data
dropped

Processes

Path
Cmdline
Malicious
C:\Program Files (x86)\Microsoft Office\root\Office16\OUTLOOK.EXE
"C:\Program Files (x86)\Microsoft Office\Root\Office16\OUTLOOK.EXE" /eml "C:\Users\user\Desktop\nested-Mail delivery failed%3A returning message to sender.eml"
C:\Program Files (x86)\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Office16\ai.exe
"C:\Program Files (x86)\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Office16\ai.exe" "61DB761E-FD96-418A-AA4C-97B932246A95" "7E9C3EDC-7C20-4F6E-A0E1-FF6D270F0BBE" "7348" "C:\Program Files (x86)\Microsoft Office\Root\Office16\OUTLOOK.EXE" "WordCombinedFloatieLreOnline.onnx"

Registry

Path
Value
Malicious
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
CantBootResolution
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
ProfileBeingOpened
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
SessionId
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
BootDiagnosticsLogFile
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics
OutlookBootFlag
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Resiliency\StartupItems
o!
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsData
SessionId
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsData
ProfileBeingOpened
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Outlook\Settings
Accounts
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\Licensing
EligibleForExtendedGrace
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Word\Wizards
PageSize
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\MailSettings
Template
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Word\Options
WMACUpdated
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Options
DefaultKerningLigatures
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsData
BootDiagnosticsLogFile
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsData
CantBootResolution
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Outlook\Settings\Data
global_AccountSignaturesDialogOpen
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Resiliency\StartupItems
0+
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Addins\ColleagueImport.ColleagueImportAddin
1
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Addins\Microsoft.VbaAddinForOutlook.1
1
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Resiliency\StartupItems
/+
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Addins\OneNote.OutlookAddin
1
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Resiliency\StartupItems
>+
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Addins\OscAddin.Connect
1
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Resiliency\StartupItems
n+
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Addins\UCAddin.LyncAddin.1
1
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Resiliency\StartupItems
n+
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Addins\UmOutlookAddin.FormRegionAddin
1
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Resiliency\StartupItems
~+
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Resiliency\StartupItems
~+
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Resiliency\StartupItems
~+
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Resiliency\StartupItems
~+
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Outlook\Settings\Data
global_AccountsNeedResyncingWithOwnershipV5
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Outlook\Settings\Data
global_AccountsNeedResyncingWithOwnershipV4
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Outlook\Settings\Data
global_AccountsNeedResyncingWithOwnershipV3
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Outlook\Settings\Data
global_AccountsNeedResyncingWithOwnership
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\NoEmail\0a0d020000000000c000000000000046
000b046b
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00006109F10090400000000000F01FEC\Usage
NULL
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00006109F10090400000000000F01FEC\Usage
SpellingAndGrammarFiles_1033
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00006109F100C0400000000000F01FEC\Usage
NULL
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00006109F100C0400000000000F01FEC\Usage
SpellingAndGrammarFiles_1036
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00006109F100A0C00000000000F01FEC\Usage
NULL
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00006109F100A0C00000000000F01FEC\Usage
SpellingAndGrammarFiles_3082
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Options\Calendar
WorkDay
HKEY_CURRENT_USER\SOFTWARE\Microsoft\IdentityCRL\Immersive\production\Property
00184010449AB33A
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\ClientTelemetry\Volatile
MsaDevice
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\NoEmail\9207f3e0a3b11019908b08002b2a56c2
11023d05
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Word\Security\Trusted Documents
LastPurgeTime
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\ClientTelemetry\Sampling
6
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Logging
NULL
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00006109F00000000000000000F01FEC\Usage
OutlookMAPI2
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
en-CH
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
en-GB
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
en-CH
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
en-GB
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\Experiment\outlook
EcsRequestPending
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00006109A10090400000000000F01FEC\Usage
OutlookMAPI2Intl_1033
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\NoEmail\0a0d020000000000c000000000000046
00030429
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\NoEmail\9375CFF0413111d3B88A00104B2A6676
{ED475418-B0D6-11D2-8C3B-00104B2A6676}
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\NoEmail\9375CFF0413111d3B88A00104B2A6676
LastChangeVer
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Exchange\Forms Registry
CacheSyncCount
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\NoEmail\9375CFF0413111d3B88A00104B2A6676
{ED475418-B0D6-11D2-8C3B-00104B2A6676}
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\NoEmail\9375CFF0413111d3B88A00104B2A6676
LastChangeVer
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs\outlook
Expires
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs\outlook
ETag
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Outlook\AddinsData\ColleagueImport.ColleagueImportAddin
LoadCount
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Display Types\Balloons
HWND64ForOrphanedNotIcon
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\AddInLoadTimes
ColleagueImport.ColleagueImportAddin
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Outlook\AddinsData\OneNote.OutlookAddin
LoadCount
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
en-CH
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
en-GB
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
en-CH
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
en-GB
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\AddInLoadTimes
OneNote.OutlookAddin
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Outlook\AddinsData\OscAddin.Connect
LoadCount
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\AddInLoadTimes
OscAddin.Connect
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Outlook\AddinsData\UCAddin.LyncAddin.1
LoadCount
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\AddInLoadTimes
UCAddin.LyncAddin.1
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\AddInLoadTimes
UmOutlookAddin.FormRegionAddin
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\7348
0
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\UserInfo
CountQuickSteps
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\NoEmail\9375CFF0413111d3B88A00104B2A6676
{ED475418-B0D6-11D2-8C3B-00104B2A6676}
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\NoEmail\9375CFF0413111d3B88A00104B2A6676
LastChangeVer
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00006109F10090400000000000F01FEC\Usage
SpellingAndGrammarFiles_1033
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00006109F10090400000000000F01FEC\Usage
SpellingAndGrammarFiles_1033
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00006109F100C0400000000000F01FEC\Usage
SpellingAndGrammarFiles_1036
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00006109F100C0400000000000F01FEC\Usage
SpellingAndGrammarFiles_1036
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00006109F100A0C00000000000F01FEC\Usage
SpellingAndGrammarFiles_3082
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00006109F100A0C00000000000F01FEC\Usage
SpellingAndGrammarFiles_3082
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\NoEmail\9375CFF0413111d3B88A00104B2A6676
LastChangeVer
HKEY_CURRENT_USER\SOFTWARE\Microsoft\IdentityCRL\Immersive\production\Token\{2B379600-B42B-4FE9-A59C-A312FB934935}
DeviceTicket
HKEY_CURRENT_USER\SOFTWARE\Microsoft\IdentityCRL\Immersive\production\Token\{2B379600-B42B-4FE9-A59C-A312FB934935}
DeviceId
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Search\Catalog
C:\Users\user\Documents\Outlook Files\Outlook Data File - NoEmail.pst
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Outlook\Settings
Accounts
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