Analysis
- max time kernel
149s - max time network
112s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/07/2026, 04:24
Behavioral task
behavioral1
Sample
a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe
Resource
win11ltsc2024-20260709-en
8 signatures
150 seconds
General
- Target a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe
- Size 1.9MB
- Sample260710-e1jc4acz4q
- SHA256 a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf
- MD5 fcbe9ccd5d20b637cf2fa148aa8ea2ac
- SHA1 3fa004540f2234825bc76720339a13c9fff9f765
- SHA512 120300d71dcb736271f85c00a724abe5095bfead87d799570e88a10e758e0ea39e0170252cc5fb040c6c66b02ee96884cd553c7c7a22879dedcc43a4a0a64839
- SSDEEP 49152:BsfRD5R70jncpxARE+RzMTnNZwhcP9RunkDp:oD7QD9zMjjGKRukV
- TLSH T1FC9533952E6C950BC4378177D85FA737442F94DB10DD0AB07AB0214A99D22E8FCAFA7C
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4752 Bugreport-327926.dll - Loads dropped DLL 1 IoCs
pid Process 5008 a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe - Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe -
resource yara_rule behavioral2/memory/5008-0-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-41-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-49-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-51-0x0000000003690000-0x0000000003702000-memory.dmp upx behavioral2/memory/5008-52-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-48-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-45-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-43-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-56-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-55-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-39-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-37-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-57-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-35-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-33-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-31-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-29-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-27-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-25-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-24-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-21-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-19-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-17-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-15-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-13-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-11-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-58-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-10-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-8-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-7-0x0000000010000000-0x000000001003F000-memory.dmp upx behavioral2/memory/5008-50-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-59-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-61-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/files/0x000d00000001c4af-69.dat upx behavioral2/memory/4752-70-0x0000000000400000-0x0000000000442200-memory.dmp upx behavioral2/memory/4752-72-0x0000000000400000-0x0000000000442200-memory.dmp upx behavioral2/memory/4752-86-0x0000000000400000-0x0000000000442200-memory.dmp upx behavioral2/memory/5008-88-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-232-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-573-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-914-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-1255-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-1596-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-1937-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-2244-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-2585-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-2892-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-3233-0x0000000000400000-0x00000000008BA200-memory.dmp upx behavioral2/memory/5008-3575-0x0000000000400000-0x00000000008BA200-memory.dmp upx - 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 a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Bugreport-327926.dll - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5008 a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe 5008 a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe 5008 a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe 5008 a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 5008 a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe 5008 a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe 5008 a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe 5008 a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe 4752 Bugreport-327926.dll - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5008 wrote to memory of 4752 5008 a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe"C:\Users\Admin\AppData\Local\Temp\a6698bfa6d81038ccdf321ae3e1032d404881ab313b9afb1bc8fd469544b92bf.exe"1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5008 -
C:\Users\Admin\AppData\Local\Temp\data\Bugreport-327926.dllC:\Users\Admin\AppData\Local\Temp\data\Bugreport-327926.dll Bugreport %E9%AA%A8%E5%A4%B4QQ%E7%A9%BA%E9%97%B4%E8%AE%BF%E5%AE%A2%E7%9B%91%E6%8E%A7%E6%8F%90%202⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4752
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\data\Bugreport-327926.dll
- Size 83KB
- SHA256 8cc3d1e2e636809e16020c17cac389a35f28de53f7a6e592a2f605ad6d56a8f8
- MD5 087501b584e5780b8a4dd40c761dca2c
- SHA1 b5e0509dc91ea0f8cbd395bfba1cb1eb099771da
- SHA512 7421c9fc900cef197eb4bcfa81e19a91b818210997a22ed4aed8cad116855c375519624d55a06c69e2138ef1825be6cf48f4e2076401bddaae64c41d2a5cec0e
- SSDEEP 1536:ZA4pOyLOrrywXavLNzLKuJ9wUikhnUw8hWQLdfncMdwuqGdpf7VPm:BpOWmrNXavZiMwUiICWwdfncMdwuNdpU
- TLSH T18F83022AA35CA921E031733457A7C625706ADDA81317831D11C73E2A7EBBB5E4CE307B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\data\Bugreport.ini
- Size 113B
- SHA256 1d798a42d652b707e48e766c15ecd73a848e4547e5eed62c3e3d17d9427057c2
- MD5 b203eac4de635bf5bf5dd98d8f91d60f
- SHA1 b663464d60299bc3d3d1ead780cd660dd2fc5454
- SHA512 385e8388ab14de48a8790c75696497bafe33d4f0dc99f13cfbb242bff8dcb5ce353dde3cf8f576c82b01df976eaf19c5e60261f11eee2fade95443ebb2fe50f5
- TLSH T146B092A9201A0210B9CCD96891B346C0282B58235809C0B58F91A1A92E04C90F1F9824
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\data\setsoft.ini
- Size 857B
- SHA256 c84e2f513faad9dfd31649dbb546e4267fec0d0c250f46d3b131e3ea0adc506b
- MD5 fe3788eea587ea1785765638aac3d461
- SHA1 a357e47bdcce6ca8558a4cf0fcee8435d7a2d43c
- SHA512 562f61a7d5feb22738ec5a886534f5b35b264fdf19edde9af4852f8810ce675bc87cb85676fd297c9a91cc0c49034dde8ffbbd9e0a731b3755102b5f84d152d1
- TLSH T1F311E55BC3B66D35D4DBAC74DDD5CC1827C22C95A0F28E0153269AE63FC920193918B8
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\data\setsoft.ini
- Size 857B
- SHA256 ef5e89341ebd4e89c779c63555b653c31f47bd781003409f0fa706fd52801c62
- MD5 b076a3e32d798c39ab06325c18f11262
- SHA1 c15eb539aef8b7224a54bbb1a90f3e207bf58cc7
- SHA512 a46bc37aac7ce8dd77750c8964d8da9b7f6c417db8d26e611e6dd0c743e35ac42363dcfc4764eff3239e5c06696397f68b34a505d57342ca3a2ed62202214fc4
- TLSH T14911E15BC3B66D35D4DBAC64DDD5CC1827C22C95A0F28F0293269AEA3FC920193918B8
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\iext1.fnr.bbs.125.la
- Size 724KB
- SHA256 2e67ba278646fde95bb614dcbcc7da1c6bf7976c918b2c6ad3d78640000326f3
- MD5 a96fbd5e66b31f3d816ad80f623e9bd9
- SHA1 4eda42260bd3eb930cd4eafd7d15c6af367bcf18
- SHA512 43921107313775ea14b1bd33cf758c13798f4fa1c1074771c1c96b1b43b98f3416d249ed8ab3171383772d0054829c3754a91b5e94135f1df6d67a76f599c80e
- SSDEEP 12288:wKBQAJdbyF+XZrjvhIeWgtN5XcTXrTmY5GTTTTTTTTTy8L1d8GsgFMwq:wKBZbpXZrjhI8N5sT7TzGTTTTTTTTTy9
- TLSH T11BF49D12B982807FE4AC027146BFBF6E9A2D65100B75A9D723D91DAC4F303C17B3965B
- MD5 SHA1 SHA512 SSDEEP TLSH