Overview
overview
8Static
static
3AACGUARD-v...02.exe
windows10-2004-x64
7AACGUARD-v...02.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows11-ltsc_2024-x64
8$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows11-ltsc_2024-x64
8$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$RESOURCES...AC.exe
windows10-2004-x64
7$RESOURCES...AC.exe
windows11-ltsc_2024-x64
3$RESOURCES...r3.dll
windows10-2004-x64
1$RESOURCES...r3.dll
windows10-2004-x64
1$RESOURCES...r3.dll
windows11-ltsc_2024-x64
6$RESOURCES...r3.dll
windows10-2004-x64
1$RESOURCES...r3.dll
windows11-ltsc_2024-x64
1$RESOURCES...op.dll
windows10-2004-x64
1$RESOURCES...op.dll
windows11-ltsc_2024-x64
8$RESOURCES...r3.dll
windows10-2004-x64
1$RESOURCES...r3.dll
windows11-ltsc_2024-x64
6$RESOURCES...r3.dll
windows10-2004-x64
1$RESOURCES...r3.dll
windows11-ltsc_2024-x64
6Analysis
- max time kernel
601s - max time network
475s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/10/2026, 16:49
Static task
static1
Behavioral task
behavioral1
Sample
AACGUARD-v0.0.13-b02.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
AACGUARD-v0.0.13-b02.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
$RESOURCES/AACGUARD/AACGUARD/AAC.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
$RESOURCES/AACGUARD/AACGUARD/AAC.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
$RESOURCES/AACGUARD/AACGUARD/D3DCompiler_47_cor3.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
$RESOURCES/AACGUARD/AACGUARD/PenImc_cor3.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral13
Sample
$RESOURCES/AACGUARD/AACGUARD/PenImc_cor3.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral14
Sample
$RESOURCES/AACGUARD/AACGUARD/PresentationNative_cor3.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral15
Sample
$RESOURCES/AACGUARD/AACGUARD/PresentationNative_cor3.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral16
Sample
$RESOURCES/AACGUARD/AACGUARD/SQLite.Interop.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral17
Sample
$RESOURCES/AACGUARD/AACGUARD/SQLite.Interop.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral18
Sample
$RESOURCES/AACGUARD/AACGUARD/vcruntime140_cor3.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral19
Sample
$RESOURCES/AACGUARD/AACGUARD/vcruntime140_cor3.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral20
Sample
$RESOURCES/AACGUARD/AACGUARD/wpfgfx_cor3.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral21
Sample
$RESOURCES/AACGUARD/AACGUARD/wpfgfx_cor3.dll
Resource
win11ltsc2024-20260911-en
General
- Target AACGUARD-v0.0.13-b02.exe
- Size 76.6MB
- Sample261018-vbpftassbx
- SHA256 24ef9b6d2decb7f5970dd4478a35796517e4322341b27c26eb0543ab656c6776
- MD5 5bdc55ef01212d25739f4d63d299b25a
- SHA1 33fc4f83c322c4fbf74b7259bc748a12a5d13cdf
- SHA512 a090a4adb5107641a2fb79ee5b5756c738cbb181ad61942c0869b274aaed6551fc43a519b6f0067e7302f62e90cc4a892230372cdcacf9877e38234ef0755165
- SSDEEP 1572864:miaPeH3wzXgXsbY2XFWvFwNhTJzAjAInFLms4twq7JAlw0hsfFCvNbZgymAKBzz7:miaPeXmX6sbYm0mNz+dtwDwmfQvNbZgb
- TLSH T1760833E4C0F18442FCB3CBB58324681317CB562ED97DEB558DBD92832473E93A2A165E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Loads dropped DLL 3 IoCs
pid Process 2692 AACGUARD-v0.0.13-b02.exe 2692 AACGUARD-v0.0.13-b02.exe 2692 AACGUARD-v0.0.13-b02.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 AACGUARD-v0.0.13-b02.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\AACGUARD-v0.0.13-b02.exe"C:\Users\Admin\AppData\Local\Temp\AACGUARD-v0.0.13-b02.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2692
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:3588
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsc2F83.tmp\InstallOptions.dll
- Size 15KB
- SHA256 89dd7d646278d8bfc41d5446bdc348b9a9afaa832abf02c1396272bb7ac7262a
- MD5 d1eefb07abc2577dfb92eb2e95a975e4
- SHA1 0584c2b1807bc3bd10d4b60d2d23eeb0e6832ca2
- SHA512 eaffd9940b1df59e95e2adb79b3b6415fff5bf196ebea5fe625a6c52e552a00b44d985a36a8dd9eb33eba2425ffea4244ed07a75d87284ff51ec9f9a5e1ac65e
- SSDEEP 192:E6GQtZkTktEQUrJaZfuyCnSmUsv3sY7L7cW8Y6Q86QvoT311929WtshLAzgSrX8:E6Nt+4t7uJalUnGesY7Lt8nC3/Yosa
- TLSH T186624D1137D598B3E2E62A797EF377138FA5F722A4428E0BC7332E4678565805D78311
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsc2F83.tmp\LangDLL.dll
- Size 5KB
- SHA256 131aa0df90c08dce2eecee46cce8759e9afff04bf15b7b0002c2a53ae5e92c36
- MD5 549ee11198143574f4d9953198a09fe8
- SHA1 2e89ba5f30e1c1c4ce517f28ec1505294bb6c4c1
- SHA512 0fb4cea4fd320381fe50c52d1c198261f0347d6dcee857917169fcc3e2083ed4933beff708e81d816787195cca050f3f5f9c5ac9cc7f781831b028ef5714bec8
- SSDEEP 48:S46+/sTKYKxbWsptIp5tCZ0iVEAWyMEv9v/ft2O2B8mWofjLl:z+uPbO5tCZBVEAWyMEFv2Cm9L
- TLSH T1D5C1A370B3D248B9C591413778AB33D36612AE747784504FDB6311AA3820AE7AD3EBC2
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsc2F83.tmp\ioSpecial.ini
- Size 1KB
- SHA256 8362b258404666a54f6102d553f2f22422d52aa5628554a043956a0d537e8026
- MD5 6388222774ea1c97af31bf7c09d77978
- SHA1 5e9f79b2c12e61e32301780b64ad2d3fa19a5712
- SHA512 ce6dead9efb8f7c0615be3d2e11c608164848e103b3f7f052828e848e2b88ce1f701d47e8171725df88ab65ed641c44ddd5b29e19620093b536542ba0da7b39e
- TLSH T18B21B3437BFC1204F3BAB754FFF541758B7A78569839C60D81C00A4E09E5B808963BAB
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsc2F83.tmp\ioSpecial.ini
- Size 1KB
- SHA256 d663193f078349e2800c369cbbeca1c67e44816c5a9f207f4da0ad8ac507ca10
- MD5 d7b946e3abdd4743021d2a5dadd10f12
- SHA1 7ec531cd15e53836e558f104daf96e12a42316b0
- SHA512 851b1922b7fad92aedbca40e1199ac3ca280baa18995814e2c6646ac4a02232b139e4dcbc6316ce96b239b3db4ee6e0d559ce7e8006dfacd6451a3979c52edb9
- TLSH T12E31E7033AFD0204F3BBB754FFF541798B7978569839C50D90C00A0E05F6A408963BAB
- MD5 SHA1 SHA512 TLSH