Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
09/06/2026, 00:28
Behavioral task
behavioral1
Sample
tmpb2f_qqw2.exe
Resource
win10ltsc2021-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpb2f_qqw2.exe
Resource
win10v2004-20260513-en
13 signatures
150 seconds
General
- Target tmpb2f_qqw2.exe
- Size 36KB
- Sample260609-asm9vsas2q
- SHA256 83e22e8780eea945eaca041a1ad45e5dc83a286d9366dc9c4b15bf68a9c4a758
- MD5 e8ba29eed7f3314d0aa91bb9a112aa93
- SHA1 3a2fe759163491954117ce29f282c2fc013a5d81
- SHA512 bb3eacb6548795c241ab437eba5a1d25a969e1a8cbcfd8b6cf7bd975f78cfdaaaf3bac9b42e6c234764c6006b9e183731f160be8d1c8f8b698cc836953cbcf1e
- SSDEEP 768:3p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J:3pYoX58z1uirL98xMWnT0OQ9J
- TLSH T161F2E1923B59E122E0E7DC3319F5680B9732C9699F5E4F7F1AC825299C74390BC43B92
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5480 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2746394149-3500112804-1243524366-1000\Software\Microsoft\Windows\CurrentVersion\Run\24FB1D1D = "C:\\Users\\Admin\\AppData\\Roaming\\24FB1D1D\\bin.exe" winver.exe -
resource yara_rule behavioral3/memory/3224-0-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral3/memory/5480-23-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral3/files/0x001900000002b5fe-21.dat upx - Program crash 1 IoCs
pid pid_target Process procid_target 4100 5896 WerFault.exe 81 - System Location Discovery: System Language Discovery 1 TTPs 3 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 bin.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmpb2f_qqw2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5896 winver.exe 5896 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3172 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE Token: SeShutdownPrivilege 3172 Explorer.EXE Token: SeCreatePagefilePrivilege 3172 Explorer.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5896 winver.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3224 wrote to memory of 5896 3224 tmpb2f_qqw2.exe 81 PID 5896 wrote to memory of 3172 5896 winver.exe 54 PID 3172 wrote to memory of 3588 3172 Explorer.EXE PID 3172 wrote to memory of 3588 3172 Explorer.EXE PID 3588 wrote to memory of 5480 3588 Process not Found 83 PID 3588 wrote to memory of 5480 3588 Process not Found 83 PID 5896 wrote to memory of 1944 5896 winver.exe 50
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:1944
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3172 -
C:\Users\Admin\AppData\Local\Temp\tmpb2f_qqw2.exe"C:\Users\Admin\AppData\Local\Temp\tmpb2f_qqw2.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3224 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5896 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5896 -s 3804⤵
- Program crash
PID:4100
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-
-
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C:\Users\Admin\AppData\Roaming\24FB1D1D\bin.exeC:\Users\Admin\AppData\Roaming\24FB1D1D\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5480
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 5896 -ip 58961⤵PID:4360
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\24FB1D1D\bin.exe
- Size 36KB
- SHA256 4f5fb615dea2899cae0de13f724b990ba4b03d928bdcd230914a373c6e90269b
- MD5 3b2cf8661b99635855b37bc923b57b2f
- SHA1 15b10a58fdf6be4e5d8217b13e918fca1dd78ee3
- SHA512 d9dda10f2dbe0d08b45f1d709d0136db4f97cde8e5b236ecb2239faf668eb69ff952aa98f45f56f24bc8dbf30a64b2016029d162f6b6e7f802537ecdf5a5d6c8
- SSDEEP 768:vp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J:vpYoX58z1uirL98xMWnT0OQ9J
- TLSH T157F2E1923B59E122E0E7DC3319F5680B9732C9699F5E4F7F1AC825299C74390BC43B92
- MD5 SHA1 SHA512 SSDEEP TLSH