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Analysis
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max time kernel
141s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2022, 12:24
Static task
static1
Behavioral task
behavioral1
Sample
0e6a36bfbda0c0f0413e73d744f8f3f99551c70a078a55991f4d79f68367a4ae.dll
Resource
win7-20220812-en
General
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Target
0e6a36bfbda0c0f0413e73d744f8f3f99551c70a078a55991f4d79f68367a4ae.dll
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Size
336KB
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MD5
1b6e5f6f8207bfd61e66c10015d8e860
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SHA1
ed47d65cad8fac4150c58681b3481bfe610b0223
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SHA256
0e6a36bfbda0c0f0413e73d744f8f3f99551c70a078a55991f4d79f68367a4ae
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SHA512
64bfca3f8e900e0eb479dbd4a2c6654f9bed41f143d0ba524ed33a112de440708094d10e455e96fba2de51451a93bf03ded91c9edda1114b5678dc25841dcf33
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SSDEEP
6144:TyzfnLgzZra8HkJ3JVYSsjZSkHW7ZX1TtTP44HqHpqjESgyhkJ:YfMzZrW4SEH0XBtTP4IqHyrgKkJ
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 4272 rundll32Srv.exe 4900 DesktopLayer.exe -
resource yara_rule behavioral2/files/0x0006000000022e1f-134.dat upx behavioral2/files/0x0006000000022e1f-135.dat upx behavioral2/files/0x0007000000022e21-137.dat upx behavioral2/memory/4272-138-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/files/0x0007000000022e21-139.dat upx behavioral2/memory/4900-140-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32Srv.exe rundll32.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe rundll32Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\pxCE61.tmp rundll32Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe rundll32Srv.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4456 5032 WerFault.exe 85 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{FCF99122-499F-11ED-B696-D2D0017C8629} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "372283707" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4900 DesktopLayer.exe 4900 DesktopLayer.exe 4900 DesktopLayer.exe 4900 DesktopLayer.exe 4900 DesktopLayer.exe 4900 DesktopLayer.exe 4900 DesktopLayer.exe 4900 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2404 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2404 iexplore.exe 2404 iexplore.exe 824 IEXPLORE.EXE 824 IEXPLORE.EXE 824 IEXPLORE.EXE 824 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4896 wrote to memory of 5032 4896 rundll32.exe 85 PID 4896 wrote to memory of 5032 4896 rundll32.exe 85 PID 4896 wrote to memory of 5032 4896 rundll32.exe 85 PID 5032 wrote to memory of 4272 5032 rundll32.exe 86 PID 5032 wrote to memory of 4272 5032 rundll32.exe 86 PID 5032 wrote to memory of 4272 5032 rundll32.exe 86 PID 4272 wrote to memory of 4900 4272 rundll32Srv.exe 88 PID 4272 wrote to memory of 4900 4272 rundll32Srv.exe 88 PID 4272 wrote to memory of 4900 4272 rundll32Srv.exe 88 PID 4900 wrote to memory of 2404 4900 DesktopLayer.exe 89 PID 4900 wrote to memory of 2404 4900 DesktopLayer.exe 89 PID 2404 wrote to memory of 824 2404 iexplore.exe 91 PID 2404 wrote to memory of 824 2404 iexplore.exe 91 PID 2404 wrote to memory of 824 2404 iexplore.exe 91
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0e6a36bfbda0c0f0413e73d744f8f3f99551c70a078a55991f4d79f68367a4ae.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0e6a36bfbda0c0f0413e73d744f8f3f99551c70a078a55991f4d79f68367a4ae.dll,#12⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Windows\SysWOW64\rundll32Srv.exeC:\Windows\SysWOW64\rundll32Srv.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4272 -
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:4900 -
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:2404 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2404 CREDAT:17410 /prefetch:26⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 6203⤵
- Program crash
PID:4456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5032 -ip 50321⤵PID:4156
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
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a