Analysis
- max time kernel
149s - max time network
157s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/07/2026, 12:16
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-07-23_19d627eba302571e8cf1584d1f600b1e_akira_glassworm_icedid_rusty-stealer.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-23_19d627eba302571e8cf1584d1f600b1e_akira_glassworm_icedid_rusty-stealer.exe
Resource
win11ltsc2024-20260709-en
10 signatures
150 seconds
General
- Target 2026-07-23_19d627eba302571e8cf1584d1f600b1e_akira_glassworm_icedid_rusty-stealer.exe
- Size 23.4MB
- Sample260723-pflb3aag62
- SHA256 5643049dc6c4a5c78aa897f30d2dd75e1ba0576693f69cb08df515a6946c1853
- MD5 19d627eba302571e8cf1584d1f600b1e
- SHA1 b78d6eaff89e01f3d013f0c0c9d709f024dd09de
- SHA512 08de346b144373da35fce8fd67453b0310c9a6030a5faef963d60413e70dcb07af1eb89497e797176c873022260e22a5a549babf93fe8a506522df8d51715b30
- SSDEEP 24576:nIseaT+4ePkeyjRU1zW7L5tp8VK5R0184Om7XxqWSBu16M+Xjd1+07OP9XMm1Qy9:wf4hjR+Wf5tOd18Zm7XEWSBMKm
- TLSH T12D37B0B8B5047DE6E66F467BDA96ADDD137636238ACBA4CD4064B7C30963371FE02804
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5448 BackupAgent.exe - Loads dropped DLL 1 IoCs
pid Process 5448 BackupAgent.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 6036 set thread context of 2868 6036 TieringEngineService.exe 92 PID 6036 set thread context of 5212 6036 TieringEngineService.exe 94 - 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 backgroundTaskHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language backgroundTaskHost.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 TieringEngineService.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz TieringEngineService.exe - Modifies data under HKEY_USERS 5 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" backgroundTaskHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum backgroundTaskHost.exe Key created \REGISTRY\USER\.DEFAULT\Software backgroundTaskHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft backgroundTaskHost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie backgroundTaskHost.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 5376 2026-07-23_19d627eba302571e8cf1584d1f600b1e_akira_glassworm_icedid_rusty-stealer.exe 5376 2026-07-23_19d627eba302571e8cf1584d1f600b1e_akira_glassworm_icedid_rusty-stealer.exe 6036 TieringEngineService.exe 6036 TieringEngineService.exe 6036 TieringEngineService.exe 6036 TieringEngineService.exe 6036 TieringEngineService.exe 6036 TieringEngineService.exe - Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 5448 BackupAgent.exe 6036 TieringEngineService.exe 6036 TieringEngineService.exe 6036 TieringEngineService.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 5448 BackupAgent.exe Token: SeRestorePrivilege 6036 TieringEngineService.exe Token: SeManageVolumePrivilege 6036 TieringEngineService.exe Token: SeDebugPrivilege 6036 TieringEngineService.exe Token: SeDebugPrivilege 6036 TieringEngineService.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5376 wrote to memory of 5448 5376 2026-07-23_19d627eba302571e8cf1584d1f600b1e_akira_glassworm_icedid_rusty-stealer.exe 89 PID 6036 wrote to memory of 2868 6036 TieringEngineService.exe 92 PID 6036 wrote to memory of 5212 6036 TieringEngineService.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-23_19d627eba302571e8cf1584d1f600b1e_akira_glassworm_icedid_rusty-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-23_19d627eba302571e8cf1584d1f600b1e_akira_glassworm_icedid_rusty-stealer.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5376 -
C:\ProgramData\BackupAgent\BackupAgent.exe"C:\ProgramData\BackupAgent\BackupAgent.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:5448
-
-
C:\Windows\system32\TieringEngineService.exeC:\Windows\system32\TieringEngineService.exe1⤵
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:6036 -
C:\Windows\SysWOW64\backgroundTaskHost.exe"C:\Windows\SysWOW64\backgroundTaskHost.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2868
-
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C:\Windows\SysWOW64\backgroundTaskHost.exe"C:\Windows\SysWOW64\backgroundTaskHost.exe"2⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5212
-
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k AssignedAccessManagerSvc -s AssignedAccessManagerSvc1⤵PID:5472
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\ProgramData\BackupAgent\BackupAgent.exe
- Size 1.2MB
- SHA256 2f25dcd86efb2813f338abb4a85f250b5cbdc3bdef123e511fe707d52b8b359d
- MD5 8195a262a62edc3dfac980d42c6323f1
- SHA1 4685ac7c05d16a85c766381f42a6c4bacceb3c40
- SHA512 708d734765393873f134dfdf65970302311cc554ec64f142f077c7922f5378ef7c085f65e05c1f5f51fb7de65131590c59ce87f1ff8da8651f54042e1013409f
- SSDEEP 12288:nv/WQ13MXdk4n84Dgj7hSOVvDafYcE9QapjwZLIxjpuPA6X:v/WQ9Mtkr3XkWLafk9/pjwZLIxj+Ak
- TLSH T14A453C1C7E5467F6E446D43AE5334A8269F07D16131092EB52E8F93A2D3B9D4AC30FB2
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\ProgramData\BackupAgent\Cache.pmt
- Size 9.5MB
- SHA256 5db74cdfa7f7b6f95e532a00c56682e78e9f64c8805e5c79b04c2838beab2d54
- MD5 dc3f22c8bc801b3ffac6dfdc6b80e8f7
- SHA1 d2f8b37bc39f868d5bf2411c00cc7afc393ec538
- SHA512 af885e30149fc7104c1c9fba936ca6accab86028cd1337fb6375161ee0b6f9940e622df37a4269d8b925cf1131c72cb6d2d09a98395aa09f126d753a205b5f40
- SSDEEP 196608:7GrrYvEeFd9RloMCzVD92OQ5bIRjwIZhp0AdsTqa4rDSQgzJDnmPA6OOrj/:7GrrYFr9Rq5zVDkOEkRjwIl3w6H0DmPV
- TLSH T13AA63379E4C48BFCB6C9A10DCCA15561583499EE8AF3B302C6C231787DCEE4562771AB
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\ProgramData\BackupAgent\RTdRWt32.dll
- Size 106KB
- SHA256 3b621699682fe973b99b2f59ecf4388d0f0ed3607d8ffac17a082f9245c2cfe9
- MD5 f6eddfc5cd98dde45d1655ddbf8d0f14
- SHA1 e630804fd27c5be54232239966db83b98a8375bd
- SHA512 459faa9726129a561c1e914bc58ddd34d45f8d47a50b3b7dd1cdd77fab75afccda66aa3cce30e364f09870fd339b96efa34f2db3241d0f21e73ce0d9483cb22c
- SSDEEP 3072:uWYSRCY12w8BmSAibQObnW45xOdb+b5aD:jYwP12/FzbQO7tGW0
- TLSH T16DB35C5BA3A510FBF4778678C8630A45E7B2B8550760AFEF03A486561F237D18D3EB20
- MD5 SHA1 SHA512 SSDEEP TLSH