Analysis
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max time kernel
130s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 03:54
Static task
static1
Behavioral task
behavioral1
Sample
test.bat
Resource
win7-20240221-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
test.bat
Resource
win10v2004-20240508-en
windows10-2004-x64
13 signatures
150 seconds
General
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Target
test.bat
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Size
1KB
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MD5
6f0a7c834944a31c16dce1159cdfa6d0
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SHA1
b8d02b37e654af0c8aacdff2d0dd260e7104a451
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SHA256
1bd5de6c68dacb96bffa1433565afbd64328c241f1688174bd5364b82498578e
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SHA512
bd7255343ab67bd4df21c8cd1ac69410c78615fd64efee1ba203624e4f839d58047f11a2bb380bc9ce417754594c8515b345337c52199d7ab63306dd83f4a69d
Score
8/10
Malware Config
Signatures
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Disables Task Manager via registry modification
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Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win32 = "C:\\Windows\\Win32.exe" reg.exe Key deleted \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run reg.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Win32.exe cmd.exe File opened for modification C:\Windows\Win32.exe cmd.exe -
Kills process with taskkill 1 IoCs
pid Process 996 taskkill.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Modifies registry key 1 TTPs 5 IoCs
pid Process 2756 reg.exe 2592 reg.exe 2548 reg.exe 2580 reg.exe 2588 reg.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2728 explorer.exe -
Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeDebugPrivilege 996 taskkill.exe Token: SeShutdownPrivilege 2728 explorer.exe Token: SeShutdownPrivilege 2728 explorer.exe Token: SeShutdownPrivilege 2728 explorer.exe Token: SeShutdownPrivilege 2728 explorer.exe Token: SeShutdownPrivilege 2728 explorer.exe Token: SeShutdownPrivilege 2728 explorer.exe Token: SeShutdownPrivilege 2728 explorer.exe Token: SeShutdownPrivilege 2728 explorer.exe Token: SeShutdownPrivilege 2728 explorer.exe Token: SeShutdownPrivilege 2728 explorer.exe Token: SeShutdownPrivilege 2728 explorer.exe Token: SeShutdownPrivilege 2728 explorer.exe Token: SeShutdownPrivilege 2728 explorer.exe -
Suspicious use of FindShellTrayWindow 28 IoCs
pid Process 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe 2728 explorer.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2128 wrote to memory of 996 2128 cmd.exe 29 PID 2128 wrote to memory of 996 2128 cmd.exe 29 PID 2128 wrote to memory of 996 2128 cmd.exe 29 PID 2128 wrote to memory of 2548 2128 cmd.exe 31 PID 2128 wrote to memory of 2548 2128 cmd.exe 31 PID 2128 wrote to memory of 2548 2128 cmd.exe 31 PID 2128 wrote to memory of 2580 2128 cmd.exe 32 PID 2128 wrote to memory of 2580 2128 cmd.exe 32 PID 2128 wrote to memory of 2580 2128 cmd.exe 32 PID 2128 wrote to memory of 2588 2128 cmd.exe 33 PID 2128 wrote to memory of 2588 2128 cmd.exe 33 PID 2128 wrote to memory of 2588 2128 cmd.exe 33 PID 2128 wrote to memory of 2728 2128 cmd.exe 34 PID 2128 wrote to memory of 2728 2128 cmd.exe 34 PID 2128 wrote to memory of 2728 2128 cmd.exe 34 PID 2128 wrote to memory of 2756 2128 cmd.exe 35 PID 2128 wrote to memory of 2756 2128 cmd.exe 35 PID 2128 wrote to memory of 2756 2128 cmd.exe 35 PID 2128 wrote to memory of 2592 2128 cmd.exe 36 PID 2128 wrote to memory of 2592 2128 cmd.exe 36 PID 2128 wrote to memory of 2592 2128 cmd.exe 36 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\test.bat"1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2128 -
C:\Windows\system32\taskkill.exetaskkill /im explorer.exe /f2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:996
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C:\Windows\system32\reg.exeReg Delete HKLM\System\CurrentControlSet\Control\SafeBoot /f2⤵
- Modifies registry key
PID:2548
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C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v Win32 /t REG_SZ /d C:\Windows\Win32.exe /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:2580
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C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f2⤵
- Modifies registry key
PID:2588
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C:\Windows\explorer.exeexplorer.exe2⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2728
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C:\Windows\system32\reg.exereg Delete HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:2756
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C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 0 /f2⤵
- Modifies registry key
PID:2592
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