adf2482b7b36c11826486065f9551ca69742dbd70915acc1b2d740862fdcd106

Analysis

max time kernel
133s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
10-06-2023 22:47

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General

Target

Skull_w_01.xml
Size

2KB
MD5

a89988f0a456c1d1892d9bee7615fef6
SHA1

a21f2bb3d48719b7d760f8e36bd30ed2bbf29b62
SHA256

32efa112a870ce51fd26561e2d37c76ef847bd034af3b67adcad61b1d6ade114
SHA512

3f27b08acda13f2f1f59e56de4ec0822b77b8e3724cd4533fb0f34ece34499ffefe73fd66c57ea475768a14907dfe7a30411dc3f9a112e2151a8caa8764d5a3a

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31038445"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main	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
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\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	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
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3235193177"	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 (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 906f6ac2ed9bd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "393202286"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000006ca35622cf8da849b8d04899cff53786000000000200000000001066000000010000200000008a50bd5c2c2e6fc5819b4f0a10dec6912403e1ec8f06eea4ecf52a609cbecf8f000000000e8000000002000020000000ba9b0f9777efc90b2a31e6af8403ae0348321438bdf48043dd1d68e21742e796200000006302e4b40cf07ce5b0844accb42b9d9b6baabb73517b897a1a1e26187c5448a940000000bce510066f30435c0c2ddd81cd9526a89538853f1b82ea65aa744050bbaadb83ae199d7561f7490a186940aed560635bd985e5f2623a29128ec40886c38f1b6e	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	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\VersionManager\LastTTLHighDateTime = "50"	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 = c0eb54c2ed9bd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000006ca35622cf8da849b8d04899cff53786000000000200000000001066000000010000200000006c566de771a824b1f2181be3314e29f2b9b0022e217f5f6a792c8cf534a6bd31000000000e8000000002000020000000c45105b418cc52acde0b62e91a5776b972523401e3a5d444529229b529626b6e20000000670cbe0472506c777a87a65cd987736f3b94951e69c5dc9456b20803f8095db8400000005f699e226e63c41ed0da8f7d2115cae7cbcd281b3308ce371e7d3018f97236b07368cf5d9a6176efff411eeb0e1a9777c46f322b209d713f6a6f5fd8e8c864c0	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\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31038445"	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
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\LastCheckForUpdateLowDateTime = "3244568457"	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\DomainSuggestion	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\VersionManager\LastUpdateHighDateTime = "31038445"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3235193177"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\VersionManager	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 (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{EBACD748-07E0-11EE-8FFF-62A6D96D5571} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	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 (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	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

Processes:

iexplore.exe

pid process

3912 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

3912 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

3912 iexplore.exe
3912 iexplore.exe
2520 IEXPLORE.EXE
2520 IEXPLORE.EXE
2520 IEXPLORE.EXE
2520 IEXPLORE.EXE

pid	process
3912	iexplore.exe

pid	process
3912	iexplore.exe

pid	process
3912	iexplore.exe
3912	iexplore.exe
2520	IEXPLORE.EXE
2520	IEXPLORE.EXE
2520	IEXPLORE.EXE
2520	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

MSOXMLED.EXEiexplore.exe

description	pid	process	target process
PID 1500 wrote to memory of 3912	1500	MSOXMLED.EXE	iexplore.exe
PID 1500 wrote to memory of 3912	1500	MSOXMLED.EXE	iexplore.exe
PID 3912 wrote to memory of 2520	3912	iexplore.exe	IEXPLORE.EXE
PID 3912 wrote to memory of 2520	3912	iexplore.exe	IEXPLORE.EXE
PID 3912 wrote to memory of 2520	3912	iexplore.exe	IEXPLORE.EXE

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\Skull_w_01.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:1500

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Skull_w_01.xml
2⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3912

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3912 CREDAT:17410 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2520

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
f555af3f1b663a55df56040069b6097b

SHA1
ac566b3ec3882b349616e37dcce15f1470496361

SHA256
e9a0504f3aaee42e85baf24a611a6c237ba0de8c974cf2cb0b9f26913e445d5a

SHA512
8fca6bdd6356875a5e21d988cc809e6d062c1ee3271293f837968138fc4f302c5457707c4152a62b1ab8469c01c90d4dcde80bdbc210541ef12d151ff6edf1c2

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
404B

MD5
1eb56a569fe5c8f11a0305fcb619bcc3

SHA1
3a78572e6d97f7698d1d8ad6eee348d74073ff80

SHA256
9c6fc30677a40b6bddd62d44368fcfd262fff428241fbe255d3e555a816f3ecb

SHA512
e755a2800fd30c93fbd98088249a063707d1d308fc0eb609c22dbf796787becde5982546661af0e0a33a36b647ca98bb131337c643a44fc37b24ec0542be7497

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\39K1WZBJ\suggestions[1].en-US
Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/1500-133-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

Filesize
64KB

Download
memory/1500-134-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

Filesize
64KB

Download
memory/1500-135-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

Filesize
64KB

Download
memory/1500-136-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

Filesize
64KB

Download
memory/1500-137-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

Filesize
64KB

Download
memory/1500-138-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

Filesize
64KB

Download
memory/1500-139-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

Filesize
64KB

Download
memory/1500-140-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

Filesize
64KB

Download
memory/1500-141-0x00007FFBB13F0000-0x00007FFBB1400000-memory.dmp

Filesize
64KB

Download