Overview
overview
8Static
static
3YuukiPS_2....up.exe
windows10-2004-x64
7YuukiPS_2....up.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...rd.bmp
windows10-2004-x64
1$PLUGINSDI...rd.bmp
windows11-ltsc_2024-x64
8$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
8yuukips-launcher.exe
windows10-2004-x64
6yuukips-launcher.exe
windows11-ltsc_2024-x64
6General
- Target YuukiPS_2.0.15_x64-setup.exe
- Size 4.5MB
- Sample260724-w44a4svvbw
- SHA256 7acb92c9349d251a199de8e7cc16c96c1bc969c3225062a1c7097fa1be45eac6
- MD5 e35bd8c654483e2ceba487eeda8c720d
- SHA1 f9fe6c3a0917b6e1b06e960fb9c751d6a3628394
- SHA512 2969a181fb57c4a01bbeee515e560a12c0ff197c1228b24e249e0a9b81ee4308f784e0e08b032ae943555c4ef36bb654fe5a2b158db611a7ff795bfa3b1e9cb3
- SSDEEP 98304:QTOyN89dV/bh5qJEtDgRQ597A/4DVtSvlsUXwl0xglKQH8GDoUN:QKy8d9d5cEtDgRQb7vDVtSv6Ywl0SlIa
- TLSH T15026330482B05C36D24CCD3EAB282475FB71AD2D6194D7825A7EE23179FBEC95EF8610
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
YuukiPS_2.0.15_x64-setup.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
YuukiPS_2.0.15_x64-setup.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/modern-wizard.bmp
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/modern-wizard.bmp
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
yuukips-launcher.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
yuukips-launcher.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target YuukiPS_2.0.15_x64-setup.exe
- Size 4.5MB
- SHA256 7acb92c9349d251a199de8e7cc16c96c1bc969c3225062a1c7097fa1be45eac6
- MD5 e35bd8c654483e2ceba487eeda8c720d
- SHA1 f9fe6c3a0917b6e1b06e960fb9c751d6a3628394
- SHA512 2969a181fb57c4a01bbeee515e560a12c0ff197c1228b24e249e0a9b81ee4308f784e0e08b032ae943555c4ef36bb654fe5a2b158db611a7ff795bfa3b1e9cb3
- SSDEEP 98304:QTOyN89dV/bh5qJEtDgRQ597A/4DVtSvlsUXwl0xglKQH8GDoUN:QKy8d9d5cEtDgRQb7vDVtSv6Ywl0SlIa
- TLSH T15026330482B05C36D24CCD3EAB282475FB71AD2D6194D7825A7EE23179FBEC95EF8610
- MD5 SHA1 SHA512 SSDEEP TLSH
Score7/10-
Executes dropped EXE
-
Loads dropped DLL
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Checks whether UAC is enabled
-
- Target $PLUGINSDIR/System.dll
- Size 12KB
- SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
- MD5 9b38a1b07a0ebc5c7e59e63346ecc2db
- SHA1 97332a2ffcf12a3e3f27e7c05213b5d7faa13735
- SHA512 26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c
- SSDEEP 192:kjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ40QPi:U/Qlt7wiij/lMRv/9V4b4r
- TLSH T1E8427C1297B089F2F151093419667F2A6FBEAC5D17F405A3CFE304C63D212CB9839243
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $PLUGINSDIR/modern-wizard.bmp
- Size 25KB
- SHA256 3ad2dc318056d0a2024af1804ea741146cfc18cc404649a44610cbf8b2056cf2
- MD5 cbe40fd2b1ec96daedc65da172d90022
- SHA1 366c216220aa4329dff6c485fd0e9b0f4f0a7944
- SHA512 62990cb16e37b6b4eff6ab03571c3a82dcaa21a1d393c3cb01d81f62287777fb0b4b27f8852b5fa71bc975feab5baa486d33f2c58660210e115de7e2bd34ea63
- SSDEEP 24:Qwika6aSaaDaVYoG6abuJsnZs5GhI11BayNXPcDrSsUWcSphsWwlEWqCl6aHAX2x:Qoi47a5G8SddzKFIcsOz3Xz
- TLSH T139C29757DE6B6EA4BE0804EF1A0694931C71FE211AB0CD0561D2B767B4FC93B19A0B3C
- MD5 SHA1 SHA512 SSDEEP TLSH
Score8/10-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
- Target $PLUGINSDIR/nsDialogs.dll
- Size 9KB
- SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
- MD5 8f0e7415f33843431df308bb8e06af81
- SHA1 1314272e6ad3be1985d4a1607b890a34b0bde8b5
- SHA512 5450b2070c40b257c28ba9a472d762f91b78928d1e8d4d88e0576992065a61fb9a6513006e6b5947c415c9e02ae80a90a85b58da7e016a424331c8cd596ed684
- SSDEEP 96:obEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YHNqkzfFc:obEvCu5e81785qHFcU0PuAw0uytIFc
- TLSH T19D12F892E2A454B3C5D6523B36AA2F2DCBBD5329B0927C01C7738E4D39395766E38343
- MD5 SHA1 SHA512 SSDEEP TLSH
Score8/10-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
- Target yuukips-launcher.exe
- Size 9.9MB
- SHA256 630e1af0ff2eb9e8312733a66519a3f8ca221bb2f91596eb22597084ff55d319
- MD5 46315a906da9cbebc9758f5858d78113
- SHA1 19ffe3a1bff11011795975f6855ac7618f8bf9fb
- SHA512 76500480724f910773b2f29c01e9934fe1545b5dea85f5b2755f1e8991b775a35e03c88a2a128ed5b74235927dc01d030607f2a528503f4a8456583a886d7f31
- SSDEEP 98304:V3yvG7RNnP5W1bUr58HMXgd/s6wwbbAeD6BsllUlci6UkEzttSKfn+a+U:ByQF60g8eeQERtJfB
- TLSH T1E0A63817F66290E8C569C074C31A6273FA72BC8D07357AEB5BE04A213E65F906B3CB54
- MD5 SHA1 SHA512 SSDEEP TLSH
Score6/10-
Checks whether UAC is enabled