Analysis
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max time kernel
169s -
max time network
184s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
12-06-2022 14:00
Static task
static1
Behavioral task
behavioral1
Sample
1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e.exe
Resource
win7-20220414-en
General
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Target
1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e.exe
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Size
1.3MB
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MD5
1aab0bc42e16efbbe769dd65414c848d
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SHA1
8e3c247de2459f9ed4885999678a8dcc15b54881
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SHA256
1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e
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SHA512
c10e307dc85467ba2dbd955f6387f44a3a67476afc5e8f8c98e695dca12fc452eed41b76a9f087b5db7b2ab1db4f390048059e1ca0664f78a08a07fcd078c248
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\SkinH_EL.dll acprotect -
Executes dropped EXE 3 IoCs
Processes:
ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exeÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exeDesktopLayer.exepid process 4668 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe 3452 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe 4320 DesktopLayer.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral2/memory/3452-139-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/4320-142-0x0000000000400000-0x000000000042E000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\SkinH_EL.dll upx behavioral2/memory/4668-144-0x0000000010000000-0x000000001003D000-memory.dmp upx -
Loads dropped DLL 2 IoCs
Processes:
1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e.exeÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exepid process 3460 1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e.exe 4668 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe -
Drops file in Program Files directory 3 IoCs
Processes:
ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px222E.tmp ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Processes:
IEXPLORE.EXEiexplore.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1649371706" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30965412" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1649371706" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30965412" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "361834709" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{84DD33DE-EA97-11EC-B274-66F9B3FFC396} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
DesktopLayer.exeÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exepid process 4320 DesktopLayer.exe 4320 DesktopLayer.exe 4320 DesktopLayer.exe 4320 DesktopLayer.exe 4320 DesktopLayer.exe 4320 DesktopLayer.exe 4320 DesktopLayer.exe 4320 DesktopLayer.exe 4668 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe 4668 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 4248 iexplore.exe -
Suspicious use of SetWindowsHookEx 9 IoCs
Processes:
ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exeiexplore.exeIEXPLORE.EXEpid process 4668 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe 4668 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe 4668 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe 4668 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe 4248 iexplore.exe 4248 iexplore.exe 4668 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe 4804 IEXPLORE.EXE 4804 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e.exeÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exeÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 3460 wrote to memory of 4668 3460 1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e.exe ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe PID 3460 wrote to memory of 4668 3460 1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e.exe ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe PID 3460 wrote to memory of 4668 3460 1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e.exe ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe PID 4668 wrote to memory of 3452 4668 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe PID 4668 wrote to memory of 3452 4668 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe PID 4668 wrote to memory of 3452 4668 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe PID 3452 wrote to memory of 4320 3452 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe DesktopLayer.exe PID 3452 wrote to memory of 4320 3452 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe DesktopLayer.exe PID 3452 wrote to memory of 4320 3452 ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe DesktopLayer.exe PID 4320 wrote to memory of 4248 4320 DesktopLayer.exe iexplore.exe PID 4320 wrote to memory of 4248 4320 DesktopLayer.exe iexplore.exe PID 4248 wrote to memory of 4804 4248 iexplore.exe IEXPLORE.EXE PID 4248 wrote to memory of 4804 4248 iexplore.exe IEXPLORE.EXE PID 4248 wrote to memory of 4804 4248 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e.exe"C:\Users\Admin\AppData\Local\Temp\1ffe5501b656c49a8c3a723834ee0da9ad2af65c780720f57d6d65f7fcdfdc1e.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3460 -
C:\Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe"C:\Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exeC:\Users\Admin\AppData\Local\Temp\ÏÀµÁ·É³µ£ºÊ¥°²µØÁÐ˹MOD¹ÜÀí¹¤¾ß3.1.29Srv.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4320 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4248 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4248 CREDAT:17410 /prefetch:26⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4804
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
86KB
MD5147127382e001f495d1842ee7a9e7912
SHA192d1ed56032183c75d4b57d7ce30b1c4ae11dc9b
SHA256edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc
SHA51297f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d
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Filesize
6KB
MD5a1bba35c752b36f575350cb7ddf238e4
SHA19603b691ae71d4fbc7a14dbb837bd97cecac8aab
SHA2560667863d71a3021ab844069b6dd0485f874bf638af478ab11c6fb8b7d6c834b6
SHA512eb5d3498dd994bec42a437cf91343665d3c35bfe3f6277a7393af6a0b8348772c3166d9be48955edddf6ef79fa508ec8d4f96d7d5df37ecdc52c90042e0a2967
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Filesize
2.9MB
MD5cb8be6ad417786404e7bab9c74da5f20
SHA1f6a2a383b9dc0ba3c8b933e6076dcf1d45dfdab8
SHA25601d11e02fecdaf133199c13be48296c8a3f6119c06291566eb3f8da236c62a3c
SHA512144f06c724b3b17775adb9511ae6a10a1db60f35c91fd1b5c8fcd1a03f3df2da7e0e963e523e0e3e0c026fe14fd1a61cca9857daaa216dbb433905e2155cdb81
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Filesize
2.9MB
MD5cb8be6ad417786404e7bab9c74da5f20
SHA1f6a2a383b9dc0ba3c8b933e6076dcf1d45dfdab8
SHA25601d11e02fecdaf133199c13be48296c8a3f6119c06291566eb3f8da236c62a3c
SHA512144f06c724b3b17775adb9511ae6a10a1db60f35c91fd1b5c8fcd1a03f3df2da7e0e963e523e0e3e0c026fe14fd1a61cca9857daaa216dbb433905e2155cdb81
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a