b653631708cdf4b2ec872b4dca10f3c23380c7a2b2029e20f23b590602d1bcfe

max time kernel
136s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
06-07-2023 18:32

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General

Target

stella_wa.xml
Size

9KB
MD5

4ee3c0dc45185231589902397c7a4c38
SHA1

28a4882e91c2bbb68562fd9373efe43d24dce3ff
SHA256

8fead4d413917d70a317375083a0cab7bcde24530fed6d9eb39de05bf14348f2
SHA512

c22274e0cfe22cddc65f0d258ec623360ba34d8ddeb09a2e7c88290d949cb20f76cb6e8ba8f02c7f5ee7ef4ab551d2d61f680c1dfa0b9acb30143f76d908eec5
SSDEEP

192:OCxf3sWhw3hysJPiaJfdvLZacjO/SbEgle3iVIept8CMei3ttdLx7Kx:Oa/sW63hNJPV9VZvjbj03ISpei3ttdLI

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2574988327"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31043640"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C4A8C066-1C2B-11EE-B699-5EF587AB3AC7} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000009e70746b52f6804aba4142285479e7a800000000020000000000106600000001000020000000f16ae3e7883e1cf6e9a463405b0196a6ace5ea879b8bcadce89ce2f617be52ca000000000e8000000002000020000000a28c8a624d3019176e944999a8a834e72bfd19fc42792a83b63b6fae74ea168a20000000b71f5e9f9677629e9f6674db67c042c532b6c03f76ba00e74a7eaf4f0ce2be5f400000007dd5de9022cfe3def55b4541b6266a03126b45c2f0d1ad6de1e1e86e9c98e6f89ca5dda1bfeaf7e7f8016865365e5b138fc0ace9f153abe125bb938e867dd06e	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 60542b9d38b0d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000009e70746b52f6804aba4142285479e7a80000000002000000000010660000000100002000000044a3e67cda261d4a4a7af8280abc2277f6f226e9a709949af00ef9ebd65e4d77000000000e80000000020000200000008ac42c63ab05ba844272178ac1f7e43e30f22e1d4679641ddf06724b027d2a7d200000004116acba107d5f9562d12d6559d12c71b0f73b1d1a383413e21456e8fb3058ee400000004cf999e1a2ae875fd6a4089503d8948910846a4d9f1e17a3e9e5c9652cf7f7a84678f5bd19631c18cfcda4cd701c5fd66ad39941c555bbbac033878c6eece7ab	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2574988327"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 00984c9d38b0d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2603584059"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "395433457"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31043640"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31043640"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3600	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3600	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3600	iexplore.exe
3600	iexplore.exe
4256	IEXPLORE.EXE
4256	IEXPLORE.EXE
4256	IEXPLORE.EXE
4256	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 3600	4420	MSOXMLED.EXE	83
PID 4420 wrote to memory of 3600	4420	MSOXMLED.EXE	83
PID 3600 wrote to memory of 4256	3600	iexplore.exe	85
PID 3600 wrote to memory of 4256	3600	iexplore.exe	85
PID 3600 wrote to memory of 4256	3600	iexplore.exe	85

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\stella_wa.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:4420
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\stella_wa.xml
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3600
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3600 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:4256

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\C7IPBQYV\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/4420-133-0x00007FF8F3F90000-0x00007FF8F3FA0000-memory.dmp

Filesize
64KB

Download
memory/4420-135-0x00007FF8F3F90000-0x00007FF8F3FA0000-memory.dmp

Filesize
64KB

Download
memory/4420-134-0x00007FF8F3F90000-0x00007FF8F3FA0000-memory.dmp

Filesize
64KB

Download
memory/4420-137-0x00007FF8F3F90000-0x00007FF8F3FA0000-memory.dmp

Filesize
64KB

Download
memory/4420-136-0x00007FF8F3F90000-0x00007FF8F3FA0000-memory.dmp

Filesize
64KB

Download
memory/4420-138-0x00007FF8F3F90000-0x00007FF8F3FA0000-memory.dmp

Filesize
64KB

Download
memory/4420-139-0x00007FF8F3F90000-0x00007FF8F3FA0000-memory.dmp

Filesize
64KB

Download
memory/4420-140-0x00007FF8F3F90000-0x00007FF8F3FA0000-memory.dmp

Filesize
64KB

Download
memory/4420-141-0x00007FF8F3F90000-0x00007FF8F3FA0000-memory.dmp

Filesize
64KB

Download

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Analysis