f1e5efdd360c02654d03f91e251504ebb63d3d03e6d3ff2d40fa915f9c4660fc

Analysis

user interaction
yes
max time kernel
598s
max time network
600s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/08/2026, 14:29

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General

Target
oneoffice.jp!adventus.com!1785855603!1785942003.xml
Size 1KB
Sample260808-rtpyhsyclc
SHA256 f1e5efdd360c02654d03f91e251504ebb63d3d03e6d3ff2d40fa915f9c4660fc
MD5 526a1593f9f82cdf00478feb767c720f
SHA1 94857e4eb31869576e6534ebc7a6e8591493dac9
SHA512 7dfd0085b4064501226eb3c6a4d186130ca00d14c1897cb24ea5cc3f56f1f9cb2eb1fa447f8b874d8fb73dbf1bd3f51dd7a60db4fb2b259296994013921c34ef
TLSH
T12021BBA0DCF840AAF50196C8B344BADA8F2AF0D32955801175FE8FD45F4B8C69D9F5D1
MD5 SHA1 SHA512 TLSH

Score

3^/10

adware discovery spyware

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000994ecf19d48ae9428d4805a6fac82213000000000200000000001066000000010000200000006ef869e290d6a7d3c0606c4ea9f44809f95162a78c3fbfd4bba9643225d7f079000000000e8000000002000020000000922b5656f943b34756c5570080fd842fe446bc6086ce20666a5f813fae1477982000000053f1a0855352c683cf0c3ab454e37a47df3a056bd6b8c33ed1eaaed56b8314454000000087ba305c9e208d29827ce67ab3f36c102b7cd8915a32280271201b59ed34c603fd7068ca677f2dba7ad06855983107ad1f11ee38f8dcba6e584d10a73bbd1e5d	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 00f7d6c74a27dd01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 103cd2c74a27dd01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31270722"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "492964345"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{908AC772-9335-11F1-AA2C-C2D11B6ECFEC} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000994ecf19d48ae9428d4805a6fac8221300000000020000000000106600000001000020000000b5aaf3ccdcf904ad99837b6286e45d0d64a0bc5478d4a58d0f290189e497e77a000000000e80000000020000200000004835bf01f342adbb984119b0731b22c4985391385526bc4a29dfc887e3155fa820000000d8797285ffa36ea3266d71edce6a68d2adb4a17e19247dfaae2160a56fd1d584400000003ef13c126f7536ce0a74fa0865f7f70b5fb440981c1aa78e93bdd452aa0574f6449698afc224685d63b2ffddfd90a2660933ce12cda43660c3f8b692b57640bf	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1710781627"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3272	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3272	iexplore.exe
3272	iexplore.exe
4792	IEXPLORE.EXE
4792	IEXPLORE.EXE
4792	IEXPLORE.EXE
4792	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 3272	2352	MSOXMLED.EXE	86
PID 3272 wrote to memory of 4792	3272	iexplore.exe	91

C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE
"C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\oneoffice.jp!adventus.com!1785855603!1785942003.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\oneoffice.jp!adventus.com!1785855603!1785942003.xml
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3272
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3272 CREDAT:17410 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:4792

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BDAHZAG5\suggestions[1].en-US
Size 17KB
SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
MD5 5a34cb996293fde2cb7a4ac89587393a
SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
TLSH
T13A823E4E61D88F57EA47B6B2D9084EA702E0C8794716DB93D62CFE63CDE33B25D02161
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2352-0-0x00007FFBD7710000-0x00007FFBD7720000-memory.dmp

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memory/2352-4-0x00007FFBD7710000-0x00007FFBD7720000-memory.dmp

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memory/2352-3-0x00007FFC1772D000-0x00007FFC1772E000-memory.dmp

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memory/2352-1-0x00007FFBD7710000-0x00007FFBD7720000-memory.dmp

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memory/2352-5-0x00007FFBD7710000-0x00007FFBD7720000-memory.dmp

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memory/2352-2-0x00007FFBD7710000-0x00007FFBD7720000-memory.dmp

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memory/2352-6-0x00007FFC17690000-0x00007FFC17885000-memory.dmp

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memory/2352-7-0x00007FFC17690000-0x00007FFC17885000-memory.dmp

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memory/2352-9-0x00007FFBD7710000-0x00007FFBD7720000-memory.dmp

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memory/2352-8-0x00007FFBD7710000-0x00007FFBD7720000-memory.dmp

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memory/2352-10-0x00007FFC17690000-0x00007FFC17885000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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