Analysis
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max time kernel
128s -
max time network
143s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
15-05-2021 12:19
Static task
static1
Behavioral task
behavioral1
Sample
78e126bba4f96659f196059341983d4a6704050113a132507c5f8c6918968628.dll
Resource
win7v20210410
General
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Target
78e126bba4f96659f196059341983d4a6704050113a132507c5f8c6918968628.dll
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Size
303KB
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MD5
740d41dd50b5b278cdfda9ffe0d86944
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SHA1
a09e80f4f8160b20f9f93c2875e17197c5e10023
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SHA256
78e126bba4f96659f196059341983d4a6704050113a132507c5f8c6918968628
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SHA512
73a43e59915b145b5fd57faad55111bf4aca75e8cc92f4e4bf7f82ddb39424d5df53687988ddeb8fec6a3ff7da8b67f0b49ed846c1d30ba922ffddf0f9d6372d
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
rundll32Srv.exeDesktopLayer.exepid process 1640 rundll32Srv.exe 1856 DesktopLayer.exe -
Processes:
resource yara_rule C:\Windows\SysWOW64\rundll32Srv.exe upx C:\Windows\SysWOW64\rundll32Srv.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx C:\Program Files (x86)\Microsoft\DesktopLayer.exe upx behavioral2/memory/1640-126-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File created C:\Windows\SysWOW64\rundll32Srv.exe rundll32.exe -
Drops file in Program Files directory 3 IoCs
Processes:
rundll32Srv.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\px2C07.tmp rundll32Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe rundll32Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe rundll32Srv.exe -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327921051" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30886337" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 3 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3918391835" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$blogger iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$http://www.typepad.com/ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{148E2962-B5B5-11EB-A11C-4E8E8FD83A77} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 4 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\FileVersion = "2016061511" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "327889059" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327872465" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3912141921" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3912141921" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30886337" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30886337" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz! iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Telligent iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
DesktopLayer.exerundll32.exepid process 1856 DesktopLayer.exe 1856 DesktopLayer.exe 1856 DesktopLayer.exe 1856 DesktopLayer.exe 1856 DesktopLayer.exe 1856 DesktopLayer.exe 1856 DesktopLayer.exe 1856 DesktopLayer.exe 3220 rundll32.exe 3220 rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
iexplore.exepid process 2456 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 21 IoCs
Processes:
rundll32.exedescription pid process Token: SeIncreaseQuotaPrivilege 3220 rundll32.exe Token: SeSecurityPrivilege 3220 rundll32.exe Token: SeTakeOwnershipPrivilege 3220 rundll32.exe Token: SeLoadDriverPrivilege 3220 rundll32.exe Token: SeSystemProfilePrivilege 3220 rundll32.exe Token: SeSystemtimePrivilege 3220 rundll32.exe Token: SeProfSingleProcessPrivilege 3220 rundll32.exe Token: SeIncBasePriorityPrivilege 3220 rundll32.exe Token: SeCreatePagefilePrivilege 3220 rundll32.exe Token: SeBackupPrivilege 3220 rundll32.exe Token: SeRestorePrivilege 3220 rundll32.exe Token: SeShutdownPrivilege 3220 rundll32.exe Token: SeDebugPrivilege 3220 rundll32.exe Token: SeSystemEnvironmentPrivilege 3220 rundll32.exe Token: SeRemoteShutdownPrivilege 3220 rundll32.exe Token: SeUndockPrivilege 3220 rundll32.exe Token: SeManageVolumePrivilege 3220 rundll32.exe Token: 33 3220 rundll32.exe Token: 34 3220 rundll32.exe Token: 35 3220 rundll32.exe Token: 36 3220 rundll32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 2456 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 2456 iexplore.exe 2456 iexplore.exe 3540 IEXPLORE.EXE 3540 IEXPLORE.EXE 3540 IEXPLORE.EXE 3540 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 3016 wrote to memory of 3220 3016 rundll32.exe rundll32.exe PID 3016 wrote to memory of 3220 3016 rundll32.exe rundll32.exe PID 3016 wrote to memory of 3220 3016 rundll32.exe rundll32.exe PID 3220 wrote to memory of 1640 3220 rundll32.exe rundll32Srv.exe PID 3220 wrote to memory of 1640 3220 rundll32.exe rundll32Srv.exe PID 3220 wrote to memory of 1640 3220 rundll32.exe rundll32Srv.exe PID 1640 wrote to memory of 1856 1640 rundll32Srv.exe DesktopLayer.exe PID 1640 wrote to memory of 1856 1640 rundll32Srv.exe DesktopLayer.exe PID 1640 wrote to memory of 1856 1640 rundll32Srv.exe DesktopLayer.exe PID 1856 wrote to memory of 2456 1856 DesktopLayer.exe iexplore.exe PID 1856 wrote to memory of 2456 1856 DesktopLayer.exe iexplore.exe PID 2456 wrote to memory of 3540 2456 iexplore.exe IEXPLORE.EXE PID 2456 wrote to memory of 3540 2456 iexplore.exe IEXPLORE.EXE PID 2456 wrote to memory of 3540 2456 iexplore.exe IEXPLORE.EXE
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\78e126bba4f96659f196059341983d4a6704050113a132507c5f8c6918968628.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\78e126bba4f96659f196059341983d4a6704050113a132507c5f8c6918968628.dll,#12⤵
- Drops file in System32 directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32Srv.exeC:\Windows\SysWOW64\rundll32Srv.exe3⤵
- 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"4⤵
- 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"5⤵
- 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:2456 CREDAT:82945 /prefetch:26⤵
- 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
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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776MD5
a0a5a4d72ad62fd610b043c84033deaf
SHA1aa5c3deaba3b479e004880b369f63f2b59b23b9a
SHA25635d20d28885d84fef2a2e06125bf9626fbab13b99d1238a435a444a8db1cb9c6
SHA51220dd0d4276e854bca2767bd4cf7f04068a23742ff33926a7ba5296d2b0a453d456f37662e443c4df2fc3027bbead658a8ca6f8be40a61c82e3d6085cf85b9243
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776MD5
0fc3e549bb301eb83ad55fe02a179610
SHA1425e7c7b294fc54ea3f1dce8fffcff69533516f8
SHA256c8cd0015b6a9d7efc9bf6cbc9f0c247c47375e997e7ef1aae134d9b75b18d241
SHA512ef78f47c8c73901a89bef2a3fcdfda243f1a62e921a849ef344d23aa9c03c8ca5f8aff5ca9d618efae88f54f0970b3855a4d0804d8cce9cdb075a8304b21edcf
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\08B8FXHK.cookieMD5
bbcfd7c1973f2667d0035c7882edf1f9
SHA1bb7ff9a9fce1b99e20c0faf64bfa84165c0860a1
SHA256887e540a2964799231c1d17cc9a359c5cdca6c4d85c7f096a22eaee26561a332
SHA512cf1b3e01837bd4a6a507a8a4ec359d7d3357a83c0727193a993ca5b9955874ad07954dd0666e6a24699058e4120345bdf81be5cf139e86e2086c9d3db7f7cfb6
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\A0SU1RMW.cookieMD5
e305800c401aa1f8d1b23f9a5bc89ef8
SHA1fd8c3c99d770f4ed7457eac19a7fa27ba41dbddd
SHA25691a20622497e8673d03ee13913773db56978957a869bc419232c68addf893fe3
SHA512e0eec504cd12d669c7d76d3706a1c9dcee113b2df965e83be0ef2ada0ddfbfe054abae92ffff2bd7241f6953081a9896d9290acb7e9aeb599c8e43eb4c6afdec
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C:\Windows\SysWOW64\rundll32Srv.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Windows\SysWOW64\rundll32Srv.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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memory/1640-125-0x00000000001E0000-0x00000000001EF000-memory.dmpFilesize
60KB
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memory/1640-115-0x0000000000000000-mapping.dmp
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memory/1640-126-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/1856-118-0x0000000000000000-mapping.dmp
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memory/1856-121-0x00000000001F0000-0x00000000001F1000-memory.dmpFilesize
4KB
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memory/2456-123-0x00007FFDFDA90000-0x00007FFDFDAFB000-memory.dmpFilesize
428KB
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memory/2456-122-0x0000000000000000-mapping.dmp
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memory/3220-114-0x0000000000000000-mapping.dmp
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memory/3540-124-0x0000000000000000-mapping.dmp