Analysis
-
max time kernel
88s -
max time network
98s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15-05-2021 03:19
Static task
static1
Behavioral task
behavioral1
Sample
e0b510d4bed2b2b0dc1368cdb034a5c73f438733e3d46da9b2a8b1a7636e5f00.dll
Resource
win7v20210408
General
-
Target
e0b510d4bed2b2b0dc1368cdb034a5c73f438733e3d46da9b2a8b1a7636e5f00.dll
-
Size
396KB
-
MD5
78c3851122e0b8e9b2f53b9894a5fc30
-
SHA1
5319909bd20440fc59de8f60cd8161bc585d575e
-
SHA256
e0b510d4bed2b2b0dc1368cdb034a5c73f438733e3d46da9b2a8b1a7636e5f00
-
SHA512
05885552af8e1c1beb9842da9bf97ab7684cf8b9423904610d7926269abfe2fc054076610a682659909e943cf37f2139ed57bc070ea01c1e1524d5a50035e533
Malware Config
Signatures
-
Executes dropped EXE 2 IoCs
Processes:
rundll32Srv.exeDesktopLayer.exepid process 1672 rundll32Srv.exe 2784 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/1672-124-0x0000000000400000-0x000000000042E000-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\px8737.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 -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2576 1140 WerFault.exe rundll32.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process 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\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{0CB4CF8F-B55E-11EB-B2DB-76442655C859} = "0" 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\DomainSuggestion\NextUpdateDate = "327231992" 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\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "327232161" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main 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 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 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\HistoryJournalCertificate\NextUpdateDate = "327232049" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
Processes:
DesktopLayer.exeWerFault.exepid process 2784 DesktopLayer.exe 2784 DesktopLayer.exe 2784 DesktopLayer.exe 2784 DesktopLayer.exe 2784 DesktopLayer.exe 2784 DesktopLayer.exe 2784 DesktopLayer.exe 2784 DesktopLayer.exe 2576 WerFault.exe 2576 WerFault.exe 2576 WerFault.exe 2576 WerFault.exe 2576 WerFault.exe 2576 WerFault.exe 2576 WerFault.exe 2576 WerFault.exe 2576 WerFault.exe 2576 WerFault.exe 2576 WerFault.exe 2576 WerFault.exe 2576 WerFault.exe 2576 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
WerFault.exedescription pid process Token: SeRestorePrivilege 2576 WerFault.exe Token: SeBackupPrivilege 2576 WerFault.exe Token: SeDebugPrivilege 2576 WerFault.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 3988 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 3988 iexplore.exe 3988 iexplore.exe 632 IEXPLORE.EXE 632 IEXPLORE.EXE 632 IEXPLORE.EXE 632 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
rundll32.exerundll32.exerundll32Srv.exeDesktopLayer.exeiexplore.exedescription pid process target process PID 488 wrote to memory of 1140 488 rundll32.exe rundll32.exe PID 488 wrote to memory of 1140 488 rundll32.exe rundll32.exe PID 488 wrote to memory of 1140 488 rundll32.exe rundll32.exe PID 1140 wrote to memory of 1672 1140 rundll32.exe rundll32Srv.exe PID 1140 wrote to memory of 1672 1140 rundll32.exe rundll32Srv.exe PID 1140 wrote to memory of 1672 1140 rundll32.exe rundll32Srv.exe PID 1672 wrote to memory of 2784 1672 rundll32Srv.exe DesktopLayer.exe PID 1672 wrote to memory of 2784 1672 rundll32Srv.exe DesktopLayer.exe PID 1672 wrote to memory of 2784 1672 rundll32Srv.exe DesktopLayer.exe PID 2784 wrote to memory of 3988 2784 DesktopLayer.exe iexplore.exe PID 2784 wrote to memory of 3988 2784 DesktopLayer.exe iexplore.exe PID 3988 wrote to memory of 632 3988 iexplore.exe IEXPLORE.EXE PID 3988 wrote to memory of 632 3988 iexplore.exe IEXPLORE.EXE PID 3988 wrote to memory of 632 3988 iexplore.exe IEXPLORE.EXE
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e0b510d4bed2b2b0dc1368cdb034a5c73f438733e3d46da9b2a8b1a7636e5f00.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e0b510d4bed2b2b0dc1368cdb034a5c73f438733e3d46da9b2a8b1a7636e5f00.dll,#12⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32Srv.exeC:\Windows\SysWOW64\rundll32Srv.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
-
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
-
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
-
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3988 CREDAT:82945 /prefetch:26⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1140 -s 6243⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
C:\Program Files (x86)\Microsoft\DesktopLayer.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
C:\Windows\SysWOW64\rundll32Srv.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
C:\Windows\SysWOW64\rundll32Srv.exeMD5
ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
-
memory/632-128-0x0000000000000000-mapping.dmp
-
memory/1140-114-0x0000000000000000-mapping.dmp
-
memory/1672-115-0x0000000000000000-mapping.dmp
-
memory/1672-123-0x00000000001E0000-0x00000000001EF000-memory.dmpFilesize
60KB
-
memory/1672-124-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
-
memory/2784-118-0x0000000000000000-mapping.dmp
-
memory/2784-121-0x00000000001F0000-0x00000000001F1000-memory.dmpFilesize
4KB
-
memory/3988-122-0x0000000000000000-mapping.dmp
-
memory/3988-127-0x00007FFEE5060000-0x00007FFEE50CB000-memory.dmpFilesize
428KB