Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/05/2026, 12:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
tmp3301608r.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmp3301608r.exe
Resource
win11-20260513-en
10 signatures
150 seconds
General
- Target tmp3301608r.exe
- Size 59KB
- Sample260522-pl7ggsdv71
- SHA256 e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130
- MD5 11dbd3b89a7eba591434bae7f34feef1
- SHA1 16887b950fcd85c3588c06545d12e37fd2f83bd3
- SHA512 c2468f73ea78813ee01761055e2ca2cc8411d34da1b4493ff292a0c3d066d8f3aff0ad9ec84c2c58116b4d1a7783bf2373488af1e231c5509f276198f30d7047
- SSDEEP 768:T+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9Jn:T+mFM2HXKZgiFP7xIksu+XM5O9Jn
- TLSH T11B432822A3A6905FF0B3ADF92E3480650D2779755C30D69A76CC9E5E4A33DC39D20B27
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1828 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FAB20B8A = "C:\\Users\\Admin\\AppData\\Roaming\\FAB20B8A\\bin.exe" winver.exe - Program crash 1 IoCs
pid pid_target Process procid_target 5084 4984 WerFault.exe 89 - 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 tmp3301608r.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 4984 winver.exe 4984 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3260 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE Token: SeShutdownPrivilege 3260 Explorer.EXE Token: SeCreatePagefilePrivilege 3260 Explorer.EXE - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 4984 winver.exe 3260 Explorer.EXE 3260 Explorer.EXE - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3260 Explorer.EXE - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2536 wrote to memory of 4984 2536 tmp3301608r.exe 89 PID 4984 wrote to memory of 3260 4984 winver.exe 56 PID 3260 wrote to memory of 4108 3260 Explorer.EXE PID 3260 wrote to memory of 4108 3260 Explorer.EXE PID 4108 wrote to memory of 1828 4108 Process not Found 97 PID 4108 wrote to memory of 1828 4108 Process not Found 97 PID 4984 wrote to memory of 2328 4984 winver.exe 51
Processes
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2328
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Users\Admin\AppData\Local\Temp\tmp3301608r.exe"C:\Users\Admin\AppData\Local\Temp\tmp3301608r.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536 -
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:4984 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 3524⤵
- Program crash
PID:5084
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-
-
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C:\Users\Admin\AppData\Roaming\FAB20B8A\bin.exeC:\Users\Admin\AppData\Roaming\FAB20B8A\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1828
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4984 -ip 49841⤵PID:1988
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\FAB20B8A\bin.exe
- Size 59KB
- SHA256 6f54e26a4ff42dd1937c21a0291edf27be8d0f517f0d254f00b51e11fb502273
- MD5 251641148f8d8524602cfae6f4d343ab
- SHA1 c83bd2d4276a978d06af0dc4061ae69700a0f310
- SHA512 26eb47fe9ef24f5854cca8491f84df7feb603e736560797c4299a72fbdcddef69fadc3f97751ba886c7158b081a3924ef42489e369d1facb67f9c2ff6611b9b0
- SSDEEP 768:B+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9Jn:B+mFM2HXKZgiFP7xIksu+XM5O9Jn
- TLSH T18D432822A3A6905FF0B3ADF92E3480650D2779755C30D69A76CC9E5E4A33DC39D20B27
- MD5 SHA1 SHA512 SSDEEP TLSH