Analysis
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max time kernel
130s -
max time network
100s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15-05-2021 14:52
Static task
static1
Behavioral task
behavioral1
Sample
5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3cc.exe
Resource
win7v20210410
General
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Target
5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3cc.exe
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Size
542KB
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MD5
b4c74676450971f9f31274c662c00d5a
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SHA1
0a5e1c81f52723c054ac9d2c8f1a8dff5f4709ca
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SHA256
5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3cc
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SHA512
7571c7b29b6b8fdbd95a06460a6603153627fbeff82c45305e00ef24cc52edf9f09afbc4cc6f2110ad35896288108a8ad75455ee71d59a363b63a9f1f2aeb841
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exeDesktopLayer.exepid process 2760 5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exe 2780 DesktopLayer.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exe upx C:\Users\Admin\AppData\Local\Temp\5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral2/memory/2760-124-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
Processes:
5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px76EB.tmp 5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process 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 = "327295482" 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 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 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\Main\WindowsSearch 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 (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\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327295651" 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 = "327295539" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E00FCCE1-B5F1-11EB-B2DB-DED7F066CF6D} = "0" 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\WindowsSearch\Version = "WS not running" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
DesktopLayer.exepid process 2780 DesktopLayer.exe 2780 DesktopLayer.exe 2780 DesktopLayer.exe 2780 DesktopLayer.exe 2780 DesktopLayer.exe 2780 DesktopLayer.exe 2780 DesktopLayer.exe 2780 DesktopLayer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
iexplore.exepid process 3732 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 3732 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 3732 iexplore.exe 3732 iexplore.exe 1240 IEXPLORE.EXE 1240 IEXPLORE.EXE 1240 IEXPLORE.EXE 1240 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3cc.exe5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 624 wrote to memory of 2760 624 5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3cc.exe 5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exe PID 624 wrote to memory of 2760 624 5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3cc.exe 5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exe PID 624 wrote to memory of 2760 624 5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3cc.exe 5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exe PID 2760 wrote to memory of 2780 2760 5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exe DesktopLayer.exe PID 2760 wrote to memory of 2780 2760 5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exe DesktopLayer.exe PID 2760 wrote to memory of 2780 2760 5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exe DesktopLayer.exe PID 2780 wrote to memory of 3732 2780 DesktopLayer.exe iexplore.exe PID 2780 wrote to memory of 3732 2780 DesktopLayer.exe iexplore.exe PID 3732 wrote to memory of 1240 3732 iexplore.exe IEXPLORE.EXE PID 3732 wrote to memory of 1240 3732 iexplore.exe IEXPLORE.EXE PID 3732 wrote to memory of 1240 3732 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3cc.exe"C:\Users\Admin\AppData\Local\Temp\5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3cc.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exeC:\Users\Admin\AppData\Local\Temp\5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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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
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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
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3732 CREDAT:82945 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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C:\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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C:\Users\Admin\AppData\Local\Temp\5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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C:\Users\Admin\AppData\Local\Temp\5de62c3c1c41d06149b79ba86dfe8d50efc5dcef0b0850d3fdb85f0f0d20f3ccSrv.exeMD5
da18881ccaefeaa4942af9291cb34826
SHA1e4f33c21684bede05ccea60dd0767250ff2b3aba
SHA2561d736643af18fe45f74f67a68c3268b39e7dbd84aaaf46dba5e23e48e8402842
SHA5122420cf80794f4e74fb95934698714d4386e022d68c0c4e181d9d6e189bf3fab09f920e6e9128e423a1dbf357558bab628133d1084a7a306617c3a9c2461a5901
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memory/624-126-0x0000000000A20000-0x0000000000A21000-memory.dmpFilesize
4KB
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memory/1240-128-0x0000000000000000-mapping.dmp
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memory/2760-123-0x00000000001E0000-0x00000000001EF000-memory.dmpFilesize
60KB
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memory/2760-114-0x0000000000000000-mapping.dmp
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memory/2760-124-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/2780-117-0x0000000000000000-mapping.dmp
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memory/2780-120-0x00000000001F0000-0x00000000001F1000-memory.dmpFilesize
4KB
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memory/3732-122-0x00007FFB50C60000-0x00007FFB50CCB000-memory.dmpFilesize
428KB
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memory/3732-121-0x0000000000000000-mapping.dmp