Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/06/2026, 01:37
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
tmp6jzy1c0n.exe
Resource
win10ltsc2021-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmp6jzy1c0n.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
Behavioral task
behavioral3
Sample
tmp6jzy1c0n.exe
Resource
win11-20260513-en
12 signatures
150 seconds
General
- Target tmp6jzy1c0n.exe
- Size 88KB
- Sample260602-b1wfwaax71
- SHA256 08e54adadf284d5a1cd2119284d582e714a3c7da217fe2c82288c50b15ba702f
- MD5 cf15979f061c894cee007549b7c00e9a
- SHA1 aa279165a40651fd552c10f442a225dfdebefa21
- SHA512 b589685c376176186318f62f2f1dc8a4e79be81ae5179bc9339990830621ea88c828f487739df727e113db3d59e780ee233f7a33842e925a42c01f55ff5ccc61
- SSDEEP 1536:b5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:b5fvp12UFKcD/6jwqWsN
- TLSH T199932A71E205E48BD927D8F2991DCD3168923EBD99A0440E72E9BF6C58B37E21059F0F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2896 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AAFFCFAE = "C:\\Users\\Admin\\AppData\\Roaming\\AAFFCFAE\\bin.exe" winver.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3304 1684 WerFault.exe 86 - 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 tmp6jzy1c0n.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bin.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1684 winver.exe 1684 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3248 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE Token: SeShutdownPrivilege 3248 Explorer.EXE Token: SeCreatePagefilePrivilege 3248 Explorer.EXE - Suspicious use of FindShellTrayWindow 6 IoCs
pid Process 1684 winver.exe 3248 Explorer.EXE 3248 Explorer.EXE 3248 Explorer.EXE 3248 Explorer.EXE 3248 Explorer.EXE - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3248 Explorer.EXE 3248 Explorer.EXE 3248 Explorer.EXE - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3248 Explorer.EXE - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4392 wrote to memory of 1684 4392 tmp6jzy1c0n.exe 86 PID 1684 wrote to memory of 3248 1684 winver.exe 56 PID 3248 wrote to memory of 3640 3248 Explorer.EXE PID 3248 wrote to memory of 3640 3248 Explorer.EXE PID 3640 wrote to memory of 2896 3640 Process not Found 98 PID 3640 wrote to memory of 2896 3640 Process not Found 98 PID 1684 wrote to memory of 3052 1684 winver.exe 51
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:3052
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3248 -
C:\Users\Admin\AppData\Local\Temp\tmp6jzy1c0n.exe"C:\Users\Admin\AppData\Local\Temp\tmp6jzy1c0n.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4392 -
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:1684 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 3524⤵
- Program crash
PID:3304
-
-
-
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C:\Users\Admin\AppData\Roaming\AAFFCFAE\bin.exeC:\Users\Admin\AppData\Roaming\AAFFCFAE\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2896
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1684 -ip 16841⤵PID:1764
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\AAFFCFAE\bin.exe
- Size 88KB
- SHA256 aaa2149d363b0f1be58e7b424f0d94938bb08be8513f57519ff42eac11450785
- MD5 a2d85653cbd7c2773f800e6a73c35228
- SHA1 4ee5b54556a208b50792198cc7c03bf895281f56
- SHA512 b199e45f101a78bc1268d6d17d5a420ee1fc6e1a4c58b67960204095ea5a2a14d3d4dbebfe60e30452cf58ee21f8a4b3f34b79339bf8cc77b95220c4b4dd144b
- SSDEEP 1536:x5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:x5fvp12UFKcD/6jwqWsN
- TLSH T10B932A71E205E48BD927D8F2991DCD3168923EBD99A0440E72E9BF6C58B37E21059F0F
- MD5 SHA1 SHA512 SSDEEP TLSH