Overview
overview
3Static
static
1peppy.rar
windows10-ltsc_2021-x64
1peppy/peppy.sln
windows10-ltsc_2021-x64
3peppy/peppy/core.cxx
windows10-ltsc_2021-x64
3peppy/pepp...ac.hxx
windows10-ltsc_2021-x64
3peppy/pepp...id.hxx
windows10-ltsc_2021-x64
3peppy/pepp...sk.hxx
windows10-ltsc_2021-x64
3peppy/pepp...ry.hxx
windows10-ltsc_2021-x64
3peppy/pepp...es.hxx
windows10-ltsc_2021-x64
3peppy/pepp...ed.hxx
windows10-ltsc_2021-x64
3peppy/peppy/peppy.xml
windows10-ltsc_2021-x64
3peppy/pepp...oj.xml
windows10-ltsc_2021-x64
3peppy/pepp...j.user
windows10-ltsc_2021-x64
3Analysis
- max time kernel
898s - max time network
536s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
27/07/2026, 01:16
Static task
static1
Behavioral task
behavioral1
Sample
peppy.rar
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
peppy/peppy.sln
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral3
Sample
peppy/peppy/core.cxx
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral4
Sample
peppy/peppy/core/reg/mac.hxx
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral5
Sample
peppy/peppy/core/reg/uninstallid.hxx
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral6
Sample
peppy/peppy/core/wmi/disk.hxx
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral7
Sample
peppy/peppy/impl/defs/registry.hxx
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral8
Sample
peppy/peppy/impl/includes.hxx
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral9
Sample
peppy/peppy/impl/seed/seed.hxx
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral10
Sample
peppy/peppy/peppy.xml
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral11
Sample
peppy/peppy/peppy.vcxproj.xml
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral12
Sample
peppy/peppy/peppy.vcxproj.user
Resource
win10ltsc2021-20260513-en
General
- Target peppy/peppy/peppy.xml
- Size 7KB
- Sample260727-bm78hstyey
- SHA256 9042327dc87cdd6f5f75aee143630f31e8ddccc7e2d2e15722046a7849dd2584
- MD5 cc23d0078d35bfc63a46eb8c0346446b
- SHA1 59bf1d65b3ae7afd3d70e66330ff2528e1120b4f
- SHA512 557ef48f9b4b306eaeb75310ea78e1233f5a535e70a505146617583df24250ab85003f2ff7e883cf9426a5a96b175951aeec8aa5ebe06667f7be79d1e9dc0838
- SSDEEP 96:Z0/zcpr1fNOw7FO7bw7aOT2YyaLbyaLMyaL6yaLDSA7/ePPcDAf/eWPcSA7/eHPn:e/zctls4hp/YPc2/JPcN/gPcz/xPce6
- TLSH T1D1F1F051E0F42A4A91B3461BE1D78845EE71A3830D9B4C5CB69EE7DB5F770486223B33
- MD5 SHA1 SHA512 SSDEEP 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-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c0e271716e1ddd01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c0c476716e1ddd01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000465727ce9fb347478f34d8c9f28c1b8300000000020000000000106600000001000020000000866ad3868f987ec572684204ee0270e04585d03b34cb1a5b326f26fcd28f4289000000000e80000000020000200000005467e5b24c9494746f58d83172cc2c677de5555ebae908a063e979c94fe9c94b200000000969e9c8610eac3071b65ac2a6268a99b6fa6865bb0ea4c95e3f0a5cb998c4b340000000a7a471c6cc3aef4de2857fa3a9c0d6027756e2911d0a4f0ea80bdac513d0f598bad46a980690a892a99b5bdf8333933aeb0b25a600f061820a43fc2e02f0af07 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000465727ce9fb347478f34d8c9f28c1b830000000002000000000010660000000100002000000008ea5ae81d51a5d288ae5f952957a55221703b629347152db9f4f0c08920260d000000000e80000000020000200000000a25010accd1ce4261537e1a67ce18087b5f447c928ef6a3ea169fbf00c29c0f20000000feab17c95bc2139a1eadde06792d9d5a3c2953de3f4f4ca81b58644592a482d840000000089d0c3b16296ed29b949e86eb42a99b12f03944e36213c0abd2aa0ab60bc73e93a946ad544448b161b2288d165f157cae58be9f5f1a91567d38e6f760243ee1 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31268198" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{39BF6DCB-8959-11F1-A548-524F1E1B3A9B} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "256472194" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "491880149" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "248347979" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31268198" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-101591186-421676486-4137282292-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4876 iexplore.exe - Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4876 iexplore.exe 4876 iexplore.exe 5472 IEXPLORE.EXE 5472 IEXPLORE.EXE 5472 IEXPLORE.EXE 5472 IEXPLORE.EXE - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5036 wrote to memory of 4876 5036 MSOXMLED.EXE 82 PID 4876 wrote to memory of 5472 4876 iexplore.exe 84
Processes
-
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\peppy\peppy\peppy.xml"1⤵
- Suspicious use of WriteProcessMemory
PID:5036 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\peppy\peppy\peppy.xml2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4876 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4876 CREDAT:17410 /prefetch:23⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:5472
-
-
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 4be2fbcb79418281ae22f8ebd9d4dba73000571cf650ee3b88cf1ff4b1c8133f
- MD5 d79d50e1dc8eddd057908f1fade42534
- SHA1 f543b9fdb83493c3e259a21a97b421274e3597f0
- SHA512 e445832d7416373265e3e61eb9028952af5302178e2b526346d82e2278a18d7c75e53bcdb68432a21f7891da347e60395c7ed37eca2f0cbe17840c6b4fd78a03
- TLSH T1A5F054A154649EA13A41CD8C2468483D7021735A0294125170F459E0462638E273A02E
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
- Size 416B
- SHA256 e5ebf668f2c40f120d76a84407d1a060c88bc95b807d99901457b6a909765e50
- MD5 0761d7bcafb81a359fdd42fd768810c4
- SHA1 98cb7f479660708f31f17a6dfffbe8bb44040975
- SHA512 ea682848adb0fad5d8cd9df6597361c280ce64732f213cd69af9b5a4c2177562c355470a7e56d725e533bd09852019786625c82a1e34e7fa83a60ef5a35c53b9
- TLSH T1E4E0C03421FB021FF0F4F1344BC9B825555DF332081AA7B82AD55B04A7026009C03A25
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DM84O020\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