Analysis
- max time kernel
150s - max time network
131s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/08/2026, 14:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f82a55eccf25f01679ed963b63d96fd9b2445c5d46e5b0eb3f7f7cf66146fa94.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
f82a55eccf25f01679ed963b63d96fd9b2445c5d46e5b0eb3f7f7cf66146fa94.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target f82a55eccf25f01679ed963b63d96fd9b2445c5d46e5b0eb3f7f7cf66146fa94.exe
- Size 2.0MB
- Sample260822-rb3rnavepf
- SHA256 f82a55eccf25f01679ed963b63d96fd9b2445c5d46e5b0eb3f7f7cf66146fa94
- MD5 77e09dbd33e40c076540776af6ceba4e
- SHA1 c1eadecbbff1c7720ee556432ecd78aa99543cbb
- SHA512 ecbf86984122b31299c2292ed3aefa5d20b563b1905517c6c28296bfbd9b442e4bd22b9939dea4bea22e50be2c6ce5a029dc2d2484272b7b651f91f6d624a78d
- SSDEEP 49152:yRh+PKlK8OilNGH7KqlKK0DyKsyr4tRy3mbhgbcSj6A4eOKy5dWuT:yR6viCH7Kql7a4k3mGcSmeOKQWuT
- TLSH T116A5BE5ABB6840F6D267C17DC9538A47E7B2B41A072097DF0360876E2F237E15E3A721
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
Malware Config
Signatures
- Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\WindowsShell56208.log f82a55eccf25f01679ed963b63d96fd9b2445c5d46e5b0eb3f7f7cf66146fa94.exe File opened for modification C:\Windows\WindowsSystemUpdate46.log nbtstat.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5112 f82a55eccf25f01679ed963b63d96fd9b2445c5d46e5b0eb3f7f7cf66146fa94.exe Token: SeDebugPrivilege 3988 nbtstat.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5112 wrote to memory of 3988 5112 f82a55eccf25f01679ed963b63d96fd9b2445c5d46e5b0eb3f7f7cf66146fa94.exe 89 PID 5112 wrote to memory of 3988 5112 f82a55eccf25f01679ed963b63d96fd9b2445c5d46e5b0eb3f7f7cf66146fa94.exe 89 PID 5112 wrote to memory of 3988 5112 f82a55eccf25f01679ed963b63d96fd9b2445c5d46e5b0eb3f7f7cf66146fa94.exe 89 PID 5112 wrote to memory of 4836 5112 f82a55eccf25f01679ed963b63d96fd9b2445c5d46e5b0eb3f7f7cf66146fa94.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\f82a55eccf25f01679ed963b63d96fd9b2445c5d46e5b0eb3f7f7cf66146fa94.exe"C:\Users\Admin\AppData\Local\Temp\f82a55eccf25f01679ed963b63d96fd9b2445c5d46e5b0eb3f7f7cf66146fa94.exe"1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\Windows\System32\nbtstat.exe"C:\Windows\System32\nbtstat.exe"2⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3988
-
-
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\F82A55~1.EXE >> NUL2⤵PID:4836
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\WindowsSystemUpdate46.log
- Size 5KB
- SHA256 3b6413961e372cb28e252091682b8e5a1389bee7918920a70facadcf0b7a57dc
- MD5 372d3ba20be53a579a7e5c8229bf8674
- SHA1 9610e479cba7d1e9b9a87537478cac6c01ff7a3b
- SHA512 f9a94af05747092c214043a520d54b4bfd7b93d9e8162cd991e9fefac9fdc95148746796d55c191c2e4eb67ee38373366ccc52178de3be344a6c6bf0cc8d1d88
- SSDEEP 96:ergCo8xTjmTxnW3SiUKGKVSdmBXzc/L14VZMpsbNnPldfuJ23jzyJEiJvnEWjqPb:eMCJxnsxW3SiRGKgaMINpn9dmIYvDjeb
- TLSH T195B18E57B5A5FC2385B9F5BC4A82B34F0E5543981960EF490940D42809792BFFB7CF15
- MD5 SHA1 SHA512 SSDEEP TLSH