Analysis
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max time kernel
183s -
max time network
201s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2022 04:48
Static task
static1
Behavioral task
behavioral1
Sample
43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe
Resource
win7-20220901-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe
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Size
148KB
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MD5
48355fa3f4f63c208b84a94af3a84840
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SHA1
8bd54d9f08fafda89a47e0890926ae0a3a1932db
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SHA256
43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a
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SHA512
c2c5e5d0fd5a6a0713b05bccbc526da61e81f4274568fff5264eb876495507fa2527746ac74b7b8cd6fe7df2d3b3b8a4ac6478169636ee4a4aed9be4542d657f
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SSDEEP
3072:hIZWWxukZThtCdVBJvXIATEi+S9ofjh4BwL1/BKbcltbAX24X:hIIWxu+hOVTXIAQDSifjh4Bwx/B9ltKX
Score
6/10
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Screen Saver Pro 3.1 = "C:\\Users\\Admin\\AppData\\Roaming\\ScreenSaverPro.scr" 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tmhehx = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Tmhehx.exe" mspaint.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tmhehx = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Tmhehx.exe" iexplore.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\F: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\D: mspaint.exe File opened (read-only) \??\D: iexplore.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1352 set thread context of 4284 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 84 -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Debug\WIA\wiatrace.log mspaint.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1696804889" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31000310" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1696804889" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31000310" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{87B82398-72E9-11ED-BF5F-DAA3C5DFCF8A} = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376823300" IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2192 mspaint.exe 2192 mspaint.exe 4284 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 4284 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 4284 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4284 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe Token: SeDebugPrivilege 4480 svchost.exe Token: SeDebugPrivilege 2192 mspaint.exe Token: SeDebugPrivilege 3276 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1668 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 2192 mspaint.exe 2192 mspaint.exe 2192 mspaint.exe 2192 mspaint.exe 1668 IEXPLORE.EXE 1668 IEXPLORE.EXE 5084 IEXPLORE.EXE 5084 IEXPLORE.EXE 5084 IEXPLORE.EXE 5084 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 1352 wrote to memory of 4480 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 83 PID 1352 wrote to memory of 4480 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 83 PID 1352 wrote to memory of 4480 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 83 PID 1352 wrote to memory of 4480 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 83 PID 1352 wrote to memory of 4480 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 83 PID 1352 wrote to memory of 4480 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 83 PID 1352 wrote to memory of 4284 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 84 PID 1352 wrote to memory of 4284 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 84 PID 1352 wrote to memory of 4284 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 84 PID 1352 wrote to memory of 4284 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 84 PID 1352 wrote to memory of 4284 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 84 PID 1352 wrote to memory of 4284 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 84 PID 1352 wrote to memory of 4284 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 84 PID 1352 wrote to memory of 4284 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 84 PID 1352 wrote to memory of 4284 1352 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 84 PID 4480 wrote to memory of 2192 4480 svchost.exe 85 PID 4480 wrote to memory of 2192 4480 svchost.exe 85 PID 4480 wrote to memory of 2192 4480 svchost.exe 85 PID 4284 wrote to memory of 3276 4284 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 87 PID 4284 wrote to memory of 3276 4284 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 87 PID 4284 wrote to memory of 3276 4284 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 87 PID 3276 wrote to memory of 1668 3276 iexplore.exe 89 PID 3276 wrote to memory of 1668 3276 iexplore.exe 89 PID 4284 wrote to memory of 4480 4284 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 83 PID 4284 wrote to memory of 4480 4284 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 83 PID 4284 wrote to memory of 2192 4284 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 85 PID 4284 wrote to memory of 2192 4284 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 85 PID 4284 wrote to memory of 3276 4284 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 87 PID 4284 wrote to memory of 3276 4284 43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe 87 PID 1668 wrote to memory of 5084 1668 IEXPLORE.EXE 91 PID 1668 wrote to memory of 5084 1668 IEXPLORE.EXE 91 PID 1668 wrote to memory of 5084 1668 IEXPLORE.EXE 91
Processes
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C:\Users\Admin\AppData\Local\Temp\43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe"C:\Users\Admin\AppData\Local\Temp\43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1352 -
C:\Windows\SysWOW64\svchost.exe"C:\Windows\system32\svchost.exe"2⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4480 -
C:\Windows\SysWOW64\mspaint.exe"C:\Windows\system32\mspaint.exe"3⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2192
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C:\Users\Admin\AppData\Local\Temp\43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe"C:\Users\Admin\AppData\Local\Temp\43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4284 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3276 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1668 CREDAT:17410 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:5084
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService1⤵PID:4692