Analysis
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max time kernel
120s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23/05/2024, 13:18
Static task
static1
Behavioral task
behavioral1
Sample
Script.cmd
Resource
win7-20240221-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
Script.cmd
Resource
win10v2004-20240508-en
windows10-2004-x64
6 signatures
150 seconds
General
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Target
Script.cmd
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Size
10KB
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MD5
e989bb0ae32b8b75aa8af97e95483602
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SHA1
e9c1e12aeb59dd721a068a553f3e24e3239b2d23
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SHA256
b885cecbb8978170a237bafb160e92fa6afd65db1c8e2f33098bac5e1712ba25
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SHA512
54925f5a5067960d8a27f73bf5e856562765ce317a1497335b9be71d621bf397d7af75760df02f695ed84bd57698077cb89e308a826b053d16c9da76b01f9846
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SSDEEP
96:NbQh9YG7IHKryL4jxV+feDPVlpicDwt/dYjxmYPYgBugajMLCeOeEPxS72wusuEQ:Nb3JqryL4jx0GDPVlZHggm7en5UR5
Score
4/10
Malware Config
Signatures
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Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust DrvInst.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2552 powershell.exe -
Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeDebugPrivilege 2552 powershell.exe Token: SeBackupPrivilege 2560 vssvc.exe Token: SeRestorePrivilege 2560 vssvc.exe Token: SeAuditPrivilege 2560 vssvc.exe Token: SeRestorePrivilege 1880 DrvInst.exe Token: SeRestorePrivilege 1880 DrvInst.exe Token: SeRestorePrivilege 1880 DrvInst.exe Token: SeRestorePrivilege 1880 DrvInst.exe Token: SeRestorePrivilege 1880 DrvInst.exe Token: SeRestorePrivilege 1880 DrvInst.exe Token: SeRestorePrivilege 1880 DrvInst.exe Token: SeLoadDriverPrivilege 1880 DrvInst.exe Token: SeLoadDriverPrivilege 1880 DrvInst.exe Token: SeLoadDriverPrivilege 1880 DrvInst.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1340 wrote to memory of 2032 1340 cmd.exe 29 PID 1340 wrote to memory of 2032 1340 cmd.exe 29 PID 1340 wrote to memory of 2032 1340 cmd.exe 29 PID 2032 wrote to memory of 1456 2032 net.exe 30 PID 2032 wrote to memory of 1456 2032 net.exe 30 PID 2032 wrote to memory of 1456 2032 net.exe 30 PID 1340 wrote to memory of 2264 1340 cmd.exe 31 PID 1340 wrote to memory of 2264 1340 cmd.exe 31 PID 1340 wrote to memory of 2264 1340 cmd.exe 31 PID 1340 wrote to memory of 2552 1340 cmd.exe 32 PID 1340 wrote to memory of 2552 1340 cmd.exe 32 PID 1340 wrote to memory of 2552 1340 cmd.exe 32 PID 1340 wrote to memory of 2732 1340 cmd.exe 40 PID 1340 wrote to memory of 2732 1340 cmd.exe 40 PID 1340 wrote to memory of 2732 1340 cmd.exe 40 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Script.cmd"1⤵
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Windows\system32\net.exenet session2⤵
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 session3⤵PID:1456
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C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore" /v SystemRestorePointCreationFrequency /t REG_DWORD /d 0 /f2⤵PID:2264
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell Checkpoint-Computer -Description "Utilisation-du-script-de-Kidou" -RestorePointType MODIFY_SETTINGS2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2552
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C:\Windows\system32\reg.exereg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore" /v SystemRestorePointCreationFrequency /t REG_DWORD /d 1440 /f2⤵PID:2732
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2560
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "000000000000059C" "0000000000000544"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1880