Analysis
- max time kernel
33s - max time network
130s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/08/2026, 06:20
Behavioral task
behavioral1
Sample
discrete_69.7868.8_INSTALL.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
General
- Target discrete_69.7868.8_INSTALL.exe
- Size 11.8MB
- Sample260818-g38f4sysa1
- SHA256 6c555cf90603114a43bdea6966bc6562de8187678ffafa0e50544561e5c32061
- MD5 f6481e5a46c72784eca66dd60dcd7e70
- SHA1 a1e9b0b4b00cb91af02801ac12761e1215270551
- SHA512 244a4e059692936bbc4c9567ad5186e6d3fcd669d87563dd15858692fead88eba400a0dc58296d2aadf2057be6762b4987dda29283c99d0b7815f806e3f959ea
- SSDEEP 98304:E5OkH+3qndcIM57t775sQdfTQn1gTTXeP8ElMIxo:gC3qnu575rTY2eP8
- TLSH T156C6F17BA18BBDBAE07B15353EB2A210553B6B5065124C029BECC44DDF250B92F3E787
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 268 discrete_69.7868.8_INSTALL.tmp - Loads dropped DLL 2 IoCs
pid Process 268 discrete_69.7868.8_INSTALL.tmp 268 discrete_69.7868.8_INSTALL.tmp - System Location Discovery: System Language Discovery 1 TTPs 2 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 discrete_69.7868.8_INSTALL.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language discrete_69.7868.8_INSTALL.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/4820-1-0x00000000002C0000-0x00000000003AC000-memory.dmp innosetup behavioral2/memory/4820-13-0x00000000002C0000-0x00000000003AC000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4820 wrote to memory of 268 4820 discrete_69.7868.8_INSTALL.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\discrete_69.7868.8_INSTALL.exe"C:\Users\Admin\AppData\Local\Temp\discrete_69.7868.8_INSTALL.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4820 -
C:\Users\Admin\AppData\Local\Temp\is-8WCPSTCW6P.tmp\discrete_69.7868.8_INSTALL.tmp"C:\Users\Admin\AppData\Local\Temp\is-8WCPSTCW6P.tmp\discrete_69.7868.8_INSTALL.tmp" /SL5="$4019A,2775941,905728,C:\Users\Admin\AppData\Local\Temp\discrete_69.7868.8_INSTALL.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:268
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-1Y42YOV69T.tmp\_isetup\_isdecmp.dll
- Size 34KB
- SHA256 31d04c1e4bfdfa34704c142fa98f80c0a3076e4b312d6ada57c4be9d9c7dcf26
- MD5 c6ae924ad02500284f7e4efa11fa7cfc
- SHA1 2a7770b473b0a7dc9a331d017297ff5af400fed8
- SHA512 f321e4820b39d1642fc43bf1055471a323edcc0c4cbd3ddd5ad26a7b28c4fb9fc4e57c00ae7819a4f45a3e0bb9c7baa0ba19c3ceedacf38b911cdf625aa7ddae
- SSDEEP 768:Z4NHPfHCs6GNOpiM+RFjFyzcN23A4F+OiR9riuujF+X4UriXiRF:Zanvc+R9F4s8/RiPWuUs4UWXiv
- TLSH T11EF23AA1BDED1F53DA8A0A3056C994235C31E1D44B0008F7D5D9CA672A8E3A75FB329F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-8WCPSTCW6P.tmp\discrete_69.7868.8_INSTALL.tmp
- Size 4.2MB
- SHA256 3a62ca6296bbb01dea01d20db87eb23ece3ba0360ac5d9174d5ef68bbe31d2ff
- MD5 e2419d34fbcb35ebf8022e5bf423befd
- SHA1 94bf494102ad88f4d53bcea2d1b230dcf89478ea
- SHA512 562e629c4a082d7b4cf33505859ef0e8bf60b28762e6888d5502ea5a18491cbc7b7d67c01e28c02d394dacacdcd7de73cca09d9cdcd0a1fa9c9ba36b9830191b
- SSDEEP 98304:w9SZUvl30aj90ZFcvdQ0hdgvminQLMj+J8333H:HItJj90Z6RgKwJ
- TLSH T18D168E13B388793AE4B71A3A8C3FA250593F7A213916CD4B6BF4095C4F396417E2A747
- MD5 SHA1 SHA512 SSDEEP TLSH