Analysis
- max time kernel
148s - max time network
124s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/10/2026, 03:48
Behavioral task
behavioral1
Sample
387d51ff2a887c3b.exe
Resource
win10v2004-20260911-en
12 signatures
150 seconds
General
- Target 387d51ff2a887c3b.exe
- Size 2.1MB
- Sample261023-ec9kdazv2n
- SHA256 387d51ff2a887c3b2bed86b612a34c1e8654eadaab40ea462089815f8435d470
- MD5 6ba4c858cab3fa3bc45f196ce29fb6de
- SHA1 085b48ab2a93d541ee2948fcb52473819cbae0a7
- SHA512 913270a454936a1aea8a3b49c8c0c0ddd23b52c6ed34fc177e39fda28bd6a8bf3808a876dc1b0764b35762bb34d3dabd4a3eccf2dbf0b21f1b785eeb9d6b40d5
- SSDEEP 24576:GXVrSLScusMmOvjjhzvLZbwJDiUd+Sh97V6K8pmFH7BPNQ3ArPkBJultjK1nEm0D:puI2hSVfoSL3rdf/rVltjkRG
- TLSH T1BAA5D03FB28B653EE06E5A367AB6E214583B7A6165134C16D6F4C84CCF250702E3E787
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4280 387d51ff2a887c3b.tmp - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
pid Process 2640 powershell.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 5040 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 4 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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 387d51ff2a887c3b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 387d51ff2a887c3b.tmp - Inno Setup is an open-source installation builder for Windows applications. 3 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/4464-0-0x00000000001A0000-0x000000000027C000-memory.dmp innosetup behavioral2/memory/4464-8-0x00000000001A0000-0x000000000027C000-memory.dmp innosetup behavioral2/memory/4464-105-0x00000000001A0000-0x000000000027C000-memory.dmp innosetup - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2640 powershell.exe 2640 powershell.exe 2640 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2640 powershell.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4280 387d51ff2a887c3b.tmp - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4464 wrote to memory of 4280 4464 387d51ff2a887c3b.exe 90 PID 4280 wrote to memory of 2640 4280 387d51ff2a887c3b.tmp 91 PID 4280 wrote to memory of 5040 4280 387d51ff2a887c3b.tmp 95
Processes
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C:\Users\Admin\AppData\Local\Temp\387d51ff2a887c3b.exe"C:\Users\Admin\AppData\Local\Temp\387d51ff2a887c3b.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4464 -
C:\Users\Admin\AppData\Local\Temp\is-IQKYFFFLTK.tmp\387d51ff2a887c3b.tmp"C:\Users\Admin\AppData\Local\Temp\is-IQKYFFFLTK.tmp\387d51ff2a887c3b.tmp" /SL5="$E0060,969517,842240,C:\Users\Admin\AppData\Local\Temp\387d51ff2a887c3b.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -ExecutionPolicy Bypass -NoProfile -File "C:\Users\Admin\AppData\Local\Programs\AI Aging TEST Analyzer\install_deps.ps1" -InstallDir "C:\Users\Admin\AppData\Local\Programs\AI Aging TEST Analyzer"3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2640
-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Programs\AI Aging TEST Analyzer\launcher.bat""3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:5040
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Programs\AI Aging TEST Analyzer\install_deps.ps1
- Size 12KB
- SHA256 9df6fe4b8c2232942a829059d6637fa29aae8ca276f8808beb70b7884f374a67
- MD5 0edf260864df68e177d2ccebc665ae9e
- SHA1 d180d0847d315c8bcb2a095e264443a3ccb3141e
- SHA512 ef83add27204be53b66d8132948aafbf6a985982210ce31af31232fcf0a8f5a6ea0767e6a6357f6c82aa116eafb1ebb6094916f0cc5dd21ac097a7b2a8c5d18c
- SSDEEP 192:Lm/FrMgeFB7B1KTNTeDTxjHJpWlrylmRh/Xz:Cn4NrKRT8nW1rj
- TLSH T14C4284365A864014B0B2CB6D4AB1BD58F65170BBF6460580781CB0DAAFFC72ECE62D77
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Programs\AI Aging TEST Analyzer\launcher.bat
- Size 1KB
- SHA256 192516a91bf5405cc997c32468999f0b72967ab21c66bfce880962a0b93facee
- MD5 129899f26b579ce042a74f3f0c690f92
- SHA1 ebf44faed6759370449b476a89746bd279e837e1
- SHA512 4ccf1e4c6416a1a0b4620d6b6a31cc2cf4c3d7df2d216c10b93c49f73d9f7058288a57a2d70e0c7df117d230718e5883d194464fcd99c1bd2dcdf06a5869befd
- TLSH T18A31DE59301984D594715A3D8F3920E1F38322A7031E9D0E74FE46721BA4BE6263ABFC
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-IQKYFFFLTK.tmp\387d51ff2a887c3b.tmp
- Size 4.1MB
- SHA256 5e2dfd321c660e913eab7731d1d88253527e65fb0179812a930afaf1138ee45f
- MD5 a922d3da359349bacbafecc9437ff7e7
- SHA1 987a089193bfea30a8cd519c85c0930c35f3161f
- SHA512 55499e6e15788370117965fedbf5e38d09caf85323667c47cc0bbabef1118dcfd400c2c427fca4fa9287219d788d96b23a658459dc9646a3d3e4180a24406895
- SSDEEP 98304:t9SZUvl30aj90ZFcvdQ0hdgvminQLMj+Jv333i:CItJj90Z6RgKwd
- TLSH T1CC168E03B788753EE4B71A3A883FA254583F7A213A26CD4B6BF40D5C4F396416D2A747
- MD5 SHA1 SHA512 SSDEEP TLSH