Overview
overview
4Static
static
1YOURLS-1.1...dex.js
windows10-2004-x64
3YOURLS-1.1...dex.js
windows11-21h2-x64
3YOURLS-1.1...ins.js
windows10-2004-x64
3YOURLS-1.1...ins.js
windows11-21h2-x64
3YOURLS-1.1...ols.js
windows10-2004-x64
3YOURLS-1.1...ols.js
windows11-21h2-x64
3YOURLS-1.1...pt.svg
windows10-2004-x64
3YOURLS-1.1...pt.svg
windows11-21h2-x64
4YOURLS-1.1...sc.svg
windows10-2004-x64
3YOURLS-1.1...sc.svg
windows11-21h2-x64
4YOURLS-1.1...bg.svg
windows10-2004-x64
3YOURLS-1.1...bg.svg
windows11-21h2-x64
4YOURLS-1.1...el.svg
windows10-2004-x64
3YOURLS-1.1...el.svg
windows11-21h2-x64
4YOURLS-1.1...ar.svg
windows10-2004-x64
3YOURLS-1.1...ar.svg
windows11-21h2-x64
4YOURLS-1.1...dd.svg
windows10-2004-x64
3YOURLS-1.1...dd.svg
windows11-21h2-x64
4YOURLS-1.1...py.svg
windows10-2004-x64
3YOURLS-1.1...py.svg
windows11-21h2-x64
4YOURLS-1.1...te.svg
windows10-2004-x64
3YOURLS-1.1...te.svg
windows11-21h2-x64
4YOURLS-1.1...sc.svg
windows10-2004-x64
3YOURLS-1.1...sc.svg
windows11-21h2-x64
4YOURLS-1.1...or.svg
windows10-2004-x64
3YOURLS-1.1...or.svg
windows11-21h2-x64
4YOURLS-1.1...ok.svg
windows10-2004-x64
3YOURLS-1.1...ok.svg
windows11-21h2-x64
4YOURLS-1.1...on.svg
windows10-2004-x64
3YOURLS-1.1...on.svg
windows11-21h2-x64
4YOURLS-1.1...er.svg
windows10-2004-x64
3YOURLS-1.1...er.svg
windows11-21h2-x64
4Analysis
- max time kernel
149s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
18/04/2026, 12:23
Static task
static1
Behavioral task
behavioral1
Sample
YOURLS-1.10.3/admin/index.js
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
YOURLS-1.10.3/admin/index.js
Resource
win11-20260130-en
Behavioral task
behavioral3
Sample
YOURLS-1.10.3/admin/plugins.js
Resource
win10v2004-20260130-en
Behavioral task
behavioral4
Sample
YOURLS-1.10.3/admin/plugins.js
Resource
win11-20260130-en
Behavioral task
behavioral5
Sample
YOURLS-1.10.3/admin/tools.js
Resource
win10v2004-20260130-en
Behavioral task
behavioral6
Sample
YOURLS-1.10.3/admin/tools.js
Resource
win11-20260130-en
Behavioral task
behavioral7
Sample
YOURLS-1.10.3/images/accept.svg
Resource
win10v2004-20260130-en
Behavioral task
behavioral8
Sample
YOURLS-1.10.3/images/accept.svg
Resource
win11-20260130-en
Behavioral task
behavioral9
Sample
YOURLS-1.10.3/images/asc.svg
Resource
win10v2004-20260130-en
Behavioral task
behavioral10
Sample
YOURLS-1.10.3/images/asc.svg
Resource
win11-20260130-en
Behavioral task
behavioral11
Sample
YOURLS-1.10.3/images/bg.svg
Resource
win10v2004-20260130-en
Behavioral task
behavioral12
Sample
YOURLS-1.10.3/images/bg.svg
Resource
win11-20260130-en
Behavioral task
behavioral13
Sample
YOURLS-1.10.3/images/cancel.svg
Resource
win10v2004-20260130-en
Behavioral task
behavioral14
Sample
YOURLS-1.10.3/images/cancel.svg
Resource
win11-20260130-en
Behavioral task
behavioral15
Sample
YOURLS-1.10.3/images/chart_bar.svg
Resource
win10v2004-20260130-en
Behavioral task
behavioral16
Sample
YOURLS-1.10.3/images/chart_bar.svg
Resource
win11-20260130-en
Behavioral task
behavioral17
Sample
YOURLS-1.10.3/images/chart_bar_add.svg
Resource
win10v2004-20260130-en
Behavioral task
behavioral18
Sample
YOURLS-1.10.3/images/chart_bar_add.svg
Resource
win11-20260130-en
Behavioral task
behavioral19
Sample
YOURLS-1.10.3/images/copy.svg
Resource
win10v2004-20260130-en
Behavioral task
behavioral20
Sample
YOURLS-1.10.3/images/copy.svg
Resource
win11-20260130-en
Behavioral task
behavioral21
Sample
YOURLS-1.10.3/images/delete.svg
Resource
win10v2004-20260130-en
Behavioral task
behavioral22
Sample
YOURLS-1.10.3/images/delete.svg
Resource
win11-20260130-en
Behavioral task
behavioral23
Sample
YOURLS-1.10.3/images/desc.svg
Resource
win10v2004-20260130-en
Behavioral task
behavioral24
Sample
YOURLS-1.10.3/images/desc.svg
Resource
win11-20260130-en
Behavioral task
behavioral25
Sample
YOURLS-1.10.3/images/error.svg
Resource
win10v2004-20260130-en
Behavioral task
behavioral26
Sample
YOURLS-1.10.3/images/error.svg
Resource
win11-20260130-en
Behavioral task
behavioral27
Sample
YOURLS-1.10.3/images/facebook.svg
Resource
win10v2004-20260130-en
Behavioral task
behavioral28
Sample
YOURLS-1.10.3/images/facebook.svg
Resource
win11-20260130-en
Behavioral task
behavioral29
Sample
YOURLS-1.10.3/images/favicon.svg
Resource
win10v2004-20260130-en
Behavioral task
behavioral30
Sample
YOURLS-1.10.3/images/favicon.svg
Resource
win11-20260130-en
Behavioral task
behavioral31
Sample
YOURLS-1.10.3/images/filter.svg
Resource
win10v2004-20260130-en
General
- Target YOURLS-1.10.3/images/chart_bar_add.svg
- Size 2KB
- Sample260418-pkg57shv7n
- SHA256 62c149df4ac53c832319225e9e909102f443ff8280f8df820578f6b0b9f93bc4
- MD5 f7245bc70cd59deab11e83b5d3204ddd
- SHA1 8742f97bcfb15cc62b039fc4a52dcc16734fb833
- SHA512 b6259579554a429434b681203be9b21b1a1d2887c9db21c73e35c26e06b956d8116ab0da14ab49ebf7af35df3e1bcceafe0d7bc8ecbbc454aadc66a29325ec7e
- TLSH T164514585F2A648C6812C85A03ED6BA1642197093439A0D5BBEDC4835DFC50C777BF7DD
- MD5 SHA1 SHA512 TLSH
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31248175" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000006859385ce7fece4f9ff5654d6778c31d00000000020000000000106600000001000020000000318f86b5f83fdaaff9fc4156d3c1ab486b30700a330cdb5751fa990c39250cdf000000000e80000000020000200000005ca480646aefc8dc40fa02881a6d2174a97bbbee7ff51605462a953c1eb17cac200000005332d60222dce3100e17ca0502babeaaa5ca67e59befa954eb4126a105eb6ee140000000ce7b49caa751b839537e050d8f7f0b6563a79959588cf1cf3dc8ee28930e42469a40bb02ff1f367d75cc5889af067027eb0238397e8b006ee5620c6f0f4d4962 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50cba34638cfdc01 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0FB7D013-3B23-11F1-9D89-EAA6BA3891E2} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31248175" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000006859385ce7fece4f9ff5654d6778c31d000000000200000000001066000000010000200000005c4d994ca8d908a44776b4d0664038ea85a9cbe11bd3512ead1a89655d513353000000000e80000000020000200000002b65c917253c0474f9914e8488c0ac4af389a775bd2284ab698e7527358ac78a2000000066b603243f70cd4282aec0ebf8b4e030c7a98644384abd92ab3222c44d5fc58940000000c4d1bd32ef542033087d5f544f2d7d324e57394340d40095d4dca20b68d023b0e31136d2e01a3f021bf93201b0af0ac143c8cd337f2e4bac7a7026661507a614 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "483280695" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 4086a84638cfdc01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3831102103" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3834852395" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4472 iexplore.exe - Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4472 iexplore.exe 4472 iexplore.exe 4520 IEXPLORE.EXE 4520 IEXPLORE.EXE 4520 IEXPLORE.EXE 4520 IEXPLORE.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4472 wrote to memory of 4520 4472 iexplore.exe 84
Processes
-
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\YOURLS-1.10.3\images\chart_bar_add.svg1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4472 CREDAT:17410 /prefetch:22⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4520
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
- Size 471B
- SHA256 d21c1fbebadb7a799036e7a9b0ebe1dc3a2a126c948d6c2ea2a43cfb09d054c7
- MD5 931838d076c25f27f6cb79ee985788b7
- SHA1 cb38779e03a1f52fbc03a3c205d24339b74cb417
- SHA512 2e5d004c50ad60c2226d0cf2a498bdfd4cc4f971083558a6801ae4eb9c201018eb7c6008bdbb74a93fba956e5c5c43893186bf6f307a399bd67bd6d5fc999ae2
- TLSH T1F6F0D47B30BD9421B5A12CFE15E48B77A4306537068065C76E3815D5485BA549D5A03D
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
- Size 416B
- SHA256 92768c4cebf9f4a8a06ef4fd292228813e36d4036a64b02dfbadeb2a4d2d0955
- MD5 c41824132429a427e3798df91c41e2c6
- SHA1 ebf6223da13f512e566029b04fba53fafcc75870
- SHA512 5c636269f1257ebbfdac739fcf0321fceefa6d131a7e9612acbeebd303aa52a1b8a83ed932ffd4cfe77b7fe9e5f21384a9e55e6f04479f72980ec758a78ab470
- TLSH T1B1E0C02411FA421FEDF4E0355AC9F429846AF1220538E3B534C55B04B723640AC03A29
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\U5GKMXA3\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