Analysis
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max time kernel
131s -
max time network
136s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
13-05-2021 02:27
Static task
static1
Behavioral task
behavioral1
Sample
8645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f.exe
Resource
win7v20210410
General
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Target
8645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f.exe
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Size
193KB
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MD5
3256bfe80c44b37e949261882a804bff
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SHA1
cdaf5940cd9f241bc38a13ef5839fcd51e98ebc9
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SHA256
8645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f
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SHA512
9ba3dd4240030f98c3cc1ff8c2f39c15a12142eb7149defab24056c3cac4a1e2f67bdf63de8fe1671284e5e15caaa0b2476ab3fec0ab9bc0a7f51942604b9299
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
DesktopLayer.exepid process 2172 DesktopLayer.exe -
Processes:
resource yara_rule C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral2/memory/2544-120-0x0000000000400000-0x0000000000430000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
Processes:
8645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px910A.tmp 8645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 8645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 8645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F96DC8A9-B4B3-11EB-B2DB-F634F559A0EA} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "327159002" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327158945" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327159114" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
DesktopLayer.exepid process 2172 DesktopLayer.exe 2172 DesktopLayer.exe 2172 DesktopLayer.exe 2172 DesktopLayer.exe 2172 DesktopLayer.exe 2172 DesktopLayer.exe 2172 DesktopLayer.exe 2172 DesktopLayer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
iexplore.exepid process 2416 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 2416 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 2416 iexplore.exe 2416 iexplore.exe 3992 IEXPLORE.EXE 3992 IEXPLORE.EXE 3992 IEXPLORE.EXE 3992 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
8645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 2544 wrote to memory of 2172 2544 8645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f.exe DesktopLayer.exe PID 2544 wrote to memory of 2172 2544 8645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f.exe DesktopLayer.exe PID 2544 wrote to memory of 2172 2544 8645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f.exe DesktopLayer.exe PID 2172 wrote to memory of 2416 2172 DesktopLayer.exe iexplore.exe PID 2172 wrote to memory of 2416 2172 DesktopLayer.exe iexplore.exe PID 2416 wrote to memory of 3992 2416 iexplore.exe IEXPLORE.EXE PID 2416 wrote to memory of 3992 2416 iexplore.exe IEXPLORE.EXE PID 2416 wrote to memory of 3992 2416 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\8645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f.exe"C:\Users\Admin\AppData\Local\Temp\8645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2416 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2416 CREDAT:82945 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3992
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
3256bfe80c44b37e949261882a804bff
SHA1cdaf5940cd9f241bc38a13ef5839fcd51e98ebc9
SHA2568645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f
SHA5129ba3dd4240030f98c3cc1ff8c2f39c15a12142eb7149defab24056c3cac4a1e2f67bdf63de8fe1671284e5e15caaa0b2476ab3fec0ab9bc0a7f51942604b9299
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C:\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
3256bfe80c44b37e949261882a804bff
SHA1cdaf5940cd9f241bc38a13ef5839fcd51e98ebc9
SHA2568645bf457e511e79d2fadbd9ce60c0713d1932ed6b21709a5674b52f0579b79f
SHA5129ba3dd4240030f98c3cc1ff8c2f39c15a12142eb7149defab24056c3cac4a1e2f67bdf63de8fe1671284e5e15caaa0b2476ab3fec0ab9bc0a7f51942604b9299
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memory/2172-114-0x0000000000000000-mapping.dmp
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memory/2172-117-0x00000000001F0000-0x00000000001F1000-memory.dmpFilesize
4KB
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memory/2416-118-0x0000000000000000-mapping.dmp
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memory/2416-123-0x00007FFA9FDC0000-0x00007FFA9FE2B000-memory.dmpFilesize
428KB
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memory/2544-120-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/2544-119-0x00000000001E0000-0x00000000001EF000-memory.dmpFilesize
60KB
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memory/3992-124-0x0000000000000000-mapping.dmp