4c4d3d04b830b66d4a8c17fcb27f2e4b30b96f63c128308776478bf7ee8ae377

Analysis

max time kernel
132s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
11/06/2023, 18:57

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General

Target

stella_e2e.xml
Size

4KB
MD5

deb02e17bcc92fef2298a466d71f9457
SHA1

e4259e3c073d4cb4af07bb3a2147fb1e8d7943cb
SHA256

83d0ffc0ea968c3b71c194ecb47bbeb4512137a06e8f7ff7b3973ca23dc467bf
SHA512

cda1fc10cba541658d1f826d735641c2058fadbaf42a9f05e1d8cd3b25fe146db53187548b131bd248e56f34dfebeb3e7b2c1d53784dbe88c8266731aa7401cc
SSDEEP

96:38fSxf3sWhw3h0A+sJCxox9rxT57OxjrWthy9xFnNLWtEy8PM+cRSjOA+Ay:OSxf3sWhw3hysJCxoxHtSZ6tMNoaPsAw

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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31038615"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c71264ef63309d4fb364e5e2b3712985000000000200000000001066000000010000200000002625b9752d19e132fd0f60824714683929aa317d4ab694253a95b1da88050c77000000000e8000000002000020000000a31b308c1fd935112765136b11c2d536d47450ba0670b5c71c34caca97ebdc94200000005d45dae50cd4be54be3ba74aa4a51ef0757c46185bdde29f1b86af4c9e8b776440000000f3286d432bb937305c9511b87eac23e0dcba4a27128e83ee07a196835cfa3006da7808aed8238e95e4d419e2589779339da951273ac580eb27ffb706d5ec12b2	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1459563036"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 60a77857979cd901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c71264ef63309d4fb364e5e2b371298500000000020000000000106600000001000020000000c50ce0e8db7876892c4405ee2eed19b2fca6d461beb04c20c19cba0cf9ffacd4000000000e80000000020000200000006be4538c6daadb950c3bbb824662b32a79b81dfc21cbaddb6f5969f4ff7a533220000000d5ecda69068020e1381755fa966931824dd063672cff6d267a5c065d0d89dfe840000000b8d8f9a068aa1f930084e6b8c85b892f42deb257eb9f89553b530924dd55cbb60d6230ea58b7344e224401fa96dcad03815c8ac8a67b6f3d928afeaded14cbcb	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1448780283"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1448780283"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{81A00784-088A-11EE-8FFF-72EDBB006969} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 30498957979cd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31038615"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31038615"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "393275122"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
648	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
648	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
648	iexplore.exe
648	iexplore.exe
3480	IEXPLORE.EXE
3480	IEXPLORE.EXE
3480	IEXPLORE.EXE
3480	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 648	4592	MSOXMLED.EXE	89
PID 4592 wrote to memory of 648	4592	MSOXMLED.EXE	89
PID 648 wrote to memory of 3480	648	iexplore.exe	91
PID 648 wrote to memory of 3480	648	iexplore.exe	91
PID 648 wrote to memory of 3480	648	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\stella_e2e.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:4592
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\stella_e2e.xml
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:648
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:648 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:3480

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
63a98ac73c507735545199701e1d0443

SHA1
6748681657a2794ba852fca0483229ff353b2dad

SHA256
ff07c8dbf8bed6cace8aea69832c7b4cb95a94c96f05172838fb8efaa71dbafe

SHA512
cae0c1ce9cd6182200ac85bf9a713bcb3945055f31064368b60eb7d34596b4c1a05086ba246d8ec3ae95fd0ba50c63a4e3fe52cfb9d62ff52898dc19c8566d02

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
c91d2782718648e4105a266c2a8f35bc

SHA1
c00be0b13f3f3adf92619a8aaae58784a3cf641a

SHA256
0d620cfcbb4d108ce0e19529581d84fd88c5a9820de2b24958211a85a134d64a

SHA512
d4ff72d0cdad7b042c8b971ce993bc1c403715ee17b201fedb8242343f69fe09adfe6cbd5cd528ea9cedbfe28649884c694e334a01c35c6225d020893e63c330

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4VT6R2QM\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/4592-135-0x00007FFDBADF0000-0x00007FFDBAE00000-memory.dmp

Filesize
64KB

Download
memory/4592-137-0x00007FFDBADF0000-0x00007FFDBAE00000-memory.dmp

Filesize
64KB

Download
memory/4592-136-0x00007FFDBADF0000-0x00007FFDBAE00000-memory.dmp

Filesize
64KB

Download
memory/4592-134-0x00007FFDBADF0000-0x00007FFDBAE00000-memory.dmp

Filesize
64KB

Download
memory/4592-133-0x00007FFDBADF0000-0x00007FFDBAE00000-memory.dmp

Filesize
64KB

Download
memory/4592-139-0x00007FFDBADF0000-0x00007FFDBAE00000-memory.dmp

Filesize
64KB

Download
memory/4592-138-0x00007FFDBADF0000-0x00007FFDBAE00000-memory.dmp

Filesize
64KB

Download
memory/4592-141-0x00007FFDBADF0000-0x00007FFDBAE00000-memory.dmp

Filesize
64KB

Download
memory/4592-140-0x00007FFDBADF0000-0x00007FFDBAE00000-memory.dmp

Filesize
64KB

Download