b653631708cdf4b2ec872b4dca10f3c23380c7a2b2029e20f23b590602d1bcfe

max time kernel
132s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
05/07/2023, 08:59

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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-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2819008266"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f04003a91fafd901	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000000929439ee50e204ba4f4b605da59efba00000000020000000000106600000001000020000000747e29ead4038877450d6ef484795356951e0feade5da77f8c35b2d44d786ad8000000000e800000000200002000000041fd17eae6565e6040fbcb367e3c320d05f38b242cfd8315cfb5f6309db21eff2000000097dc24ad2a39acc7eb8fc27dcff9ceaf2fa54f1996908c68061ce381ab63899240000000aaaf848099b53da97f49abbfc6781b07550aab16383882bb930c766c538f2228d4ae48ba5210c63b58f899af7719587561747efc07aff841f59a1deb79677364	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 501bdda81fafd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31043359"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31043359"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2783385856"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2783385856"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000000929439ee50e204ba4f4b605da59efba00000000020000000000106600000001000020000000c3ccffcb31e3591d0ccc9dd445ea3654de6c9833993482550f94234ecba742f3000000000e8000000002000020000000b197aff92f0f9d69d3aa40ad08063d95bff49df3ed61e9d4d7ced0b71d613a60200000009f1a881f48c3155f48fd2c63d2e5440d9f605b69a609fb891026c4d5bedb4d4b40000000ef5d4d03c3ff76f6055625912868802a484f19ee290f23bc3fc65f66732e434aa80e62829c1e81d5c554241d82f0d98c23bebe63a2db7293fbf89e5d5162af40	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D0642D8D-1B12-11EE-AF72-FA18DFD6C72F} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "395312790"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31043359"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4576	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4576	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4576	iexplore.exe
4576	iexplore.exe
4648	IEXPLORE.EXE
4648	IEXPLORE.EXE
4648	IEXPLORE.EXE
4648	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 4576	2636	MSOXMLED.EXE	79
PID 2636 wrote to memory of 4576	2636	MSOXMLED.EXE	79
PID 4576 wrote to memory of 4648	4576	iexplore.exe	81
PID 4576 wrote to memory of 4648	4576	iexplore.exe	81
PID 4576 wrote to memory of 4648	4576	iexplore.exe	81

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:2636
- 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:4576
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4576 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:4648

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\42JDD8EA\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2636-133-0x00007FFCFE570000-0x00007FFCFE580000-memory.dmp

Filesize
64KB

Download
memory/2636-134-0x00007FFCFE570000-0x00007FFCFE580000-memory.dmp

Filesize
64KB

Download
memory/2636-135-0x00007FFCFE570000-0x00007FFCFE580000-memory.dmp

Filesize
64KB

Download
memory/2636-136-0x00007FFCFE570000-0x00007FFCFE580000-memory.dmp

Filesize
64KB

Download
memory/2636-137-0x00007FFCFE570000-0x00007FFCFE580000-memory.dmp

Filesize
64KB

Download
memory/2636-138-0x00007FFCFE570000-0x00007FFCFE580000-memory.dmp

Filesize
64KB

Download
memory/2636-139-0x00007FFCFE570000-0x00007FFCFE580000-memory.dmp

Filesize
64KB

Download
memory/2636-140-0x00007FFCFE570000-0x00007FFCFE580000-memory.dmp

Filesize
64KB

Download
memory/2636-141-0x00007FFCFE570000-0x00007FFCFE580000-memory.dmp

Filesize
64KB

Download

Resubmissions

Analysis