Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
08/08/2026, 17:48
Behavioral task
behavioral1
Sample
f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe
- Size 512KB
- Sample260808-wdtzrasama
- SHA256 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d
- MD5 7faa37c3d31d2586414738c4b4fd996e
- SHA1 a286dd761635e5f01c885c82ac3ded06a748d359
- SHA512 0523fc1edf269cb24c05ca77efe0dffb6d3efbc92299a7377fef5c73cd9aca6f06908743d9a92c045efc52f45c3fbd751744c4095e63d253341fa809bfea7a50
- SSDEEP 12288:XMC9L/P4E2Kyb3sxE++PbzlLBeJVM5FAQjUJ:cOPiKybjvylcUJ
- TLSH T183B4BE30D202823AE5E7457397FD0AAFA0686629434570D3E7D81DAA7BD74D3BA3160F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3504 MdRes.exe - Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 3 114.114.114.114 3504 MdRes.exe -
resource yara_rule behavioral1/memory/2832-0-0x0000000000650000-0x0000000000743000-memory.dmp vmprotect behavioral1/memory/2832-1-0x0000000000650000-0x0000000000743000-memory.dmp vmprotect behavioral1/memory/2832-7-0x0000000000650000-0x0000000000743000-memory.dmp vmprotect behavioral1/memory/3228-13-0x00000000099A0000-0x0000000009C46000-memory.dmp vmprotect behavioral1/memory/3228-14-0x00000000099A0000-0x0000000009C46000-memory.dmp vmprotect behavioral1/memory/3228-37-0x00000000099A0000-0x0000000009C46000-memory.dmp vmprotect - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Help\MdRes.exe Explorer.EXE File opened for modification C:\Windows\Help\MdRes.exe Explorer.EXE - System Location Discovery: System Language Discovery 1 TTPs 1 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 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2832 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe 2832 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe 2832 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe 2832 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe 2832 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe 2832 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe 2832 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe 2832 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe 3228 Explorer.EXE 3228 Explorer.EXE 3228 Explorer.EXE 3228 Explorer.EXE - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3228 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeDebugPrivilege 2832 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe Token: SeTcbPrivilege 2832 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe Token: SeDebugPrivilege 2832 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe Token: SeDebugPrivilege 3228 Explorer.EXE Token: SeDebugPrivilege 3228 Explorer.EXE Token: SeShutdownPrivilege 3228 Explorer.EXE Token: SeCreatePagefilePrivilege 3228 Explorer.EXE Token: SeShutdownPrivilege 3228 Explorer.EXE Token: SeCreatePagefilePrivilege 3228 Explorer.EXE - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2832 wrote to memory of 3228 2832 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe 56 PID 2832 wrote to memory of 3228 2832 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe 56 PID 2832 wrote to memory of 3228 2832 f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe 56 PID 3228 wrote to memory of 3504 3228 Explorer.EXE 93 PID 3228 wrote to memory of 3504 3228 Explorer.EXE 93 PID 3228 wrote to memory of 3504 3228 Explorer.EXE 93 PID 3228 wrote to memory of 3504 3228 Explorer.EXE 93
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3228 -
C:\Users\Admin\AppData\Local\Temp\f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe"C:\Users\Admin\AppData\Local\Temp\f4fcde08f5ce9d696e263f12f27d899bc04be1e0bca2fbe9e6897e311805891d.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2832
-
-
C:\Windows\Help\MdRes.exe"C:\Windows\Help\MdRes.exe"2⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
PID:3504
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\Help\MdRes.exe
- Size 85KB
- SHA256 017f58759130eb04830148c5f71d866d9d9c0a231ca67440d335b8790c19afe0
- MD5 0c523f617f069e18124660a1486d6b6f
- SHA1 3753404a31a30f60b5e246579deeb7bd8a3b3f29
- SHA512 b40fea55bbbc473207f3046dc42ce495c047e57c42624ef6b0a74a78cb961fce8d494dc463a2507e6a507dc663d053e8b36a029b7d3779914bc4fce594937e24
- SSDEEP 1536:bKH1/nfGLm+65tFI720+VpmDOzc4JNWxwB1MjVJmRc:uteLe/FO+VQDUcUNWs+jm6
- TLSH T165836C86A2D408F1E639067485678E518972BC36CF2063ABBB9DF16E0F363D1663730D
- MD5 SHA1 SHA512 SSDEEP TLSH