Analysis
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max time kernel
82s -
max time network
135s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
13-05-2021 15:18
Static task
static1
Behavioral task
behavioral1
Sample
45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce.exe
Resource
win7v20210410
General
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Target
45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce.exe
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Size
219KB
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MD5
c3a945348e512afb5a78bb84fb5696bf
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SHA1
3aa2f91646707999ba96193be9006eaa3187ad82
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SHA256
45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce
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SHA512
c3999a0b74b3d3e42de541015f32497be77a4daf5e0740cd0f50344cd5ec4f7ce14f829fcb4a51f1f0ac2247f36cf5cddffe70fa08cc90ec9bcf9afd8fc400ed
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exeDesktopLayer.exepid process 2056 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe 3208 DesktopLayer.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe upx C:\Users\Admin\AppData\Local\Temp\45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral2/memory/2056-123-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
Processes:
45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exedescription ioc process File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\pxAEF3.tmp 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe -
Processes:
IEXPLORE.EXEiexplore.exedescription ioc process 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 iexplore.exe 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\{52A09B97-B4AD-11EB-B2DB-DAB543A68B6E} = "0" 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 Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "327156145" 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\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327156088" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327156257" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch 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\Recovery\PendingRecovery 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 -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
DesktopLayer.exepid process 3208 DesktopLayer.exe 3208 DesktopLayer.exe 3208 DesktopLayer.exe 3208 DesktopLayer.exe 3208 DesktopLayer.exe 3208 DesktopLayer.exe 3208 DesktopLayer.exe 3208 DesktopLayer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
iexplore.exepid process 1252 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1252 iexplore.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce.exeiexplore.exeIEXPLORE.EXEpid process 708 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce.exe 708 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce.exe 1252 iexplore.exe 1252 iexplore.exe 2856 IEXPLORE.EXE 2856 IEXPLORE.EXE 2856 IEXPLORE.EXE 2856 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce.exe45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 708 wrote to memory of 2056 708 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce.exe 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe PID 708 wrote to memory of 2056 708 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce.exe 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe PID 708 wrote to memory of 2056 708 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce.exe 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe PID 2056 wrote to memory of 3208 2056 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe DesktopLayer.exe PID 2056 wrote to memory of 3208 2056 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe DesktopLayer.exe PID 2056 wrote to memory of 3208 2056 45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe DesktopLayer.exe PID 3208 wrote to memory of 1252 3208 DesktopLayer.exe iexplore.exe PID 3208 wrote to memory of 1252 3208 DesktopLayer.exe iexplore.exe PID 1252 wrote to memory of 2856 1252 iexplore.exe IEXPLORE.EXE PID 1252 wrote to memory of 2856 1252 iexplore.exe IEXPLORE.EXE PID 1252 wrote to memory of 2856 1252 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce.exe"C:\Users\Admin\AppData\Local\Temp\45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ce.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:708 -
C:\Users\Admin\AppData\Local\Temp\45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exeC:\Users\Admin\AppData\Local\Temp\45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3208 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1252 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1252 CREDAT:82945 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2856
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Local\Temp\45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\Local\Temp\45214db287d9fcde562d1c8336a0b09da0c37778bda55b322105af5fde6d32ceSrv.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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memory/1252-121-0x0000000000000000-mapping.dmp
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memory/1252-126-0x00007FFFABC60000-0x00007FFFABCCB000-memory.dmpFilesize
428KB
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memory/2056-114-0x0000000000000000-mapping.dmp
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memory/2056-122-0x00000000001E0000-0x00000000001EF000-memory.dmpFilesize
60KB
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memory/2056-123-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/2856-127-0x0000000000000000-mapping.dmp
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memory/3208-117-0x0000000000000000-mapping.dmp
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memory/3208-120-0x00000000001F0000-0x00000000001F1000-memory.dmpFilesize
4KB