Overview
overview
8Static
static
1happybirth...DME.js
windows10-2004-x64
3happybirth...DME.js
windows11-ltsc_2024-x64
3happybirth...fig.js
windows10-2004-x64
3happybirth...fig.js
windows11-ltsc_2024-x64
3happybirth...n1.svg
windows10-2004-x64
3happybirth...n1.svg
windows11-ltsc_2024-x64
4happybirth...n2.svg
windows10-2004-x64
3happybirth...n2.svg
windows11-ltsc_2024-x64
4happybirth...n3.svg
windows10-2004-x64
3happybirth...n3.svg
windows11-ltsc_2024-x64
4happybirth...at.svg
windows10-2004-x64
3happybirth...at.svg
windows11-ltsc_2024-x64
4happybirth...x.html
windows10-2004-x64
3happybirth...x.html
windows11-ltsc_2024-x64
4happybirth...ent.js
windows10-2004-x64
3happybirth...ent.js
windows11-ltsc_2024-x64
8happybirth...ons.js
windows10-2004-x64
3happybirth...ons.js
windows11-ltsc_2024-x64
3happybirth...box.js
windows10-2004-x64
3happybirth...box.js
windows11-ltsc_2024-x64
3happybirth...ing.js
windows10-2004-x64
3happybirth...ing.js
windows11-ltsc_2024-x64
3happybirth...tti.js
windows10-2004-x64
3happybirth...tti.js
windows11-ltsc_2024-x64
8happybirth...own.js
windows10-2004-x64
3happybirth...own.js
windows11-ltsc_2024-x64
8happybirth...rks.js
windows10-2004-x64
3happybirth...rks.js
windows11-ltsc_2024-x64
3happybirth...ing.js
windows10-2004-x64
3happybirth...ing.js
windows11-ltsc_2024-x64
3happybirth...eas.js
windows10-2004-x64
3happybirth...eas.js
windows11-ltsc_2024-x64
3Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/07/2026, 12:17
Static task
static1
Behavioral task
behavioral1
Sample
happybirthday-main/README.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
happybirthday-main/README.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral3
Sample
happybirthday-main/config.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
happybirthday-main/config.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral5
Sample
happybirthday-main/img/ballon1.svg
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
happybirthday-main/img/ballon1.svg
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral7
Sample
happybirthday-main/img/ballon2.svg
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
happybirthday-main/img/ballon2.svg
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral9
Sample
happybirthday-main/img/ballon3.svg
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
happybirthday-main/img/ballon3.svg
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral11
Sample
happybirthday-main/img/hat.svg
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
happybirthday-main/img/hat.svg
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral13
Sample
happybirthday-main/index.html
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
happybirthday-main/index.html
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral15
Sample
happybirthday-main/script/components/announcement.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
happybirthday-main/script/components/announcement.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral17
Sample
happybirthday-main/script/components/balloons.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
happybirthday-main/script/components/balloons.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral19
Sample
happybirthday-main/script/components/chatbox.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
happybirthday-main/script/components/chatbox.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral21
Sample
happybirthday-main/script/components/closing.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
happybirthday-main/script/components/closing.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral23
Sample
happybirthday-main/script/components/confetti.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
happybirthday-main/script/components/confetti.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral25
Sample
happybirthday-main/script/components/countdown.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
happybirthday-main/script/components/countdown.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral27
Sample
happybirthday-main/script/components/fireworks.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
happybirthday-main/script/components/fireworks.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral29
Sample
happybirthday-main/script/components/greeting.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral30
Sample
happybirthday-main/script/components/greeting.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral31
Sample
happybirthday-main/script/components/ideas.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral32
Sample
happybirthday-main/script/components/ideas.js
Resource
win11ltsc2024-20260629-en
General
- Target happybirthday-main/img/ballon1.svg
- Size 1KB
- Sample260704-pgd95sa16m
- SHA256 a97e80831b92cc542ca6eba7ae373af206ee4f108fde5681fbbec74a166efcfb
- MD5 33e0b287318d204ef4b21b19ba3f013d
- SHA1 8ff58748fcd6dc649edace29ad9eaf6592fa2859
- SHA512 b44821d805308aa94bc71c34ee76847df328c1ca46893d422ed7cb49abf3a2456b1bd2ac53cf9ec6b536cb23005db908f18b1cbd9cfb4de0b5209be93ec1023d
- TLSH T128210DAD6384616CA20507CDDBF4A823249F64DA70E4E1EDEF44025100316FEC1FA22D
- 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 Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "489932450" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "938787007" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000008e214533908c949bd6f849ed4c4ef8200000000020000000000106600000001000020000000f00519ee5582cdc105c3e9fd4317c236e41786779d7702ba8608afabf9958daa000000000e800000000200002000000039a1ab304263d5b0e1135edca67adffe1b06daa9e61c58f0b457df4eec6bdbf12000000031ee39e07e3058a0bd4764b89dcc29f8a70c05b5b28743d9f79dfa85d78b7f86400000000a495352915f9d49d44c4675fbcfee3bd47648691dd44df6076bce3331d8ada84636bfe1d3d34bbdf642c87ed2a4c4a6d1eb9d6968d081da7f91e71cdaabece3 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000008e214533908c949bd6f849ed4c4ef8200000000020000000000106600000001000020000000ad36d78c4bf00876014c83c360027628f3521b76ed29a69f5c913733913b9e72000000000e80000000020000200000001c6de532ed6eed0b8aef15b98a807b3bcdbb46b5bd9b3706207c8de733ab9bde200000000bef2bff00c27571697c2e32ec7a401a3f42046b5fff2e3599de9afabce134fd400000004ce1118b955775c9eb35bc15b91623b25124c3ba50ce9b50e652000735f8db2d587041217ab7b5b749d9256408713e0d42ecb72ebc924035f84afd62c13cc36a iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{62F550EF-77A2-11F1-B40A-C2D11B6ECFEC} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 8071e699b70bdd01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31263663" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 702ceb99b70bdd01 iexplore.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3108 iexplore.exe - Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3108 iexplore.exe 3108 iexplore.exe 4116 IEXPLORE.EXE 4116 IEXPLORE.EXE 4116 IEXPLORE.EXE 4116 IEXPLORE.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3108 wrote to memory of 4116 3108 iexplore.exe 85
Processes
-
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\happybirthday-main\img\ballon1.svg1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3108 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3108 CREDAT:17410 /prefetch:22⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4116
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZVQID18K\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