Analysis
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max time kernel
127s -
max time network
179s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 17:11
Static task
static1
Behavioral task
behavioral1
Sample
5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe
Resource
win10v2004-20220812-en
General
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Target
5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe
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Size
127KB
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MD5
17e9e20f13f810c6d641c31effdc85d9
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SHA1
c3382d85d1e1d5489e45ad2ad7cfe6c1a0c96046
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SHA256
5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b
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SHA512
8f7522d6f18f101c49b9398f9a223c1ac91d35a6e34bdf2faa91993c424bf48bd1e23f5b36957868f3f6b3a30a8d5500768e9287903fe452417bd1cb74c71b96
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SSDEEP
3072:inloN5U2D57V+FG3HIz5nnyqBZfKiHZvU13QP:qYT+A4PBH6y
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
Processes:
msiexec.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" msiexec.exe -
Processes:
msiexec.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" msiexec.exe -
Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
msiexec.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\3962698551 = "C:\\PROGRA~3\\mskob.exe" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run msiexec.exe -
Blocklisted process makes network request 18 IoCs
Processes:
msiexec.exeflow pid process 2 688 msiexec.exe 3 688 msiexec.exe 4 688 msiexec.exe 6 688 msiexec.exe 7 688 msiexec.exe 8 688 msiexec.exe 9 688 msiexec.exe 11 688 msiexec.exe 13 688 msiexec.exe 15 688 msiexec.exe 16 688 msiexec.exe 17 688 msiexec.exe 18 688 msiexec.exe 19 688 msiexec.exe 20 688 msiexec.exe 21 688 msiexec.exe 22 688 msiexec.exe 23 688 msiexec.exe -
Disables taskbar notifications via registry modification
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Suspicious use of SetThreadContext 1 IoCs
Processes:
5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exedescription pid process target process PID 2044 set thread context of 960 2044 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe -
Drops file in Program Files directory 1 IoCs
Processes:
msiexec.exedescription ioc process File opened for modification C:\PROGRA~3\mskob.exe msiexec.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exemsiexec.exepid process 2044 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe 2044 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe 960 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe 688 msiexec.exe 688 msiexec.exe -
Suspicious behavior: MapViewOfSection 26 IoCs
Processes:
5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exemsiexec.exepid process 960 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe 960 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe 688 msiexec.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
msiexec.exepid process 688 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exemsiexec.exedescription pid process Token: SeDebugPrivilege 960 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe Token: SeBackupPrivilege 960 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe Token: SeRestorePrivilege 960 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe Token: SeDebugPrivilege 688 msiexec.exe Token: SeBackupPrivilege 688 msiexec.exe Token: SeRestorePrivilege 688 msiexec.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exedescription pid process target process PID 2044 wrote to memory of 960 2044 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe PID 2044 wrote to memory of 960 2044 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe PID 2044 wrote to memory of 960 2044 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe PID 2044 wrote to memory of 960 2044 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe PID 2044 wrote to memory of 960 2044 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe PID 2044 wrote to memory of 960 2044 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe PID 2044 wrote to memory of 960 2044 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe PID 2044 wrote to memory of 960 2044 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe PID 960 wrote to memory of 688 960 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe msiexec.exe PID 960 wrote to memory of 688 960 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe msiexec.exe PID 960 wrote to memory of 688 960 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe msiexec.exe PID 960 wrote to memory of 688 960 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe msiexec.exe PID 960 wrote to memory of 688 960 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe msiexec.exe PID 960 wrote to memory of 688 960 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe msiexec.exe PID 960 wrote to memory of 688 960 5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe msiexec.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe"C:\Users\Admin\AppData\Local\Temp\5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Users\Admin\AppData\Local\Temp\5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe"C:\Users\Admin\AppData\Local\Temp\5422bc22120bd08d35a1434126f3dbfb98c9378f73952888a438f7ba5557b85b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:960 -
C:\Windows\SysWOW64\msiexec.exeC:\Windows\SysWOW64\msiexec.exe3⤵
- Modifies visiblity of hidden/system files in Explorer
- UAC bypass
- Adds policy Run key to start application
- Blocklisted process makes network request
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:688