Analysis
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max time kernel
106s -
max time network
75s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 15:00
Static task
static1
Behavioral task
behavioral1
Sample
3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exe
Resource
win10v2004-20220901-en
General
-
Target
3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exe
-
Size
5.7MB
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MD5
1a44409d5b2ab13bf53b11906f0683c0
-
SHA1
882864d436455deaedbfec8a78bab968f848488d
-
SHA256
3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0
-
SHA512
2af5ef4d4310014cd39d58b0d2d8e274c553cfd3eb3d04bda245c16834262eea2a7b582004548e239f5eed2fc6654a7161d3b8aaaea4a5d719b367f252b3f674
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SSDEEP
98304:6L+p957/mfkAb0JOyEmi+thHGAa0P9CQOGCfRJ2jlTDZ2l4wdcACdcruV95czC:m89J/ANzywiJlgQNUJ2BTDYiqcAViVw+
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
Processes:
optprosetup.exeoptprosetup.tmpOptProStart.exepid process 1036 optprosetup.exe 2040 optprosetup.tmp 1264 OptProStart.exe -
Modifies AppInit DLL entries 2 TTPs
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Loads dropped DLL 21 IoCs
Processes:
3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exeoptprosetup.exeoptprosetup.tmprundll32.exerundll32.exepid process 1784 3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exe 1036 optprosetup.exe 2040 optprosetup.tmp 2040 optprosetup.tmp 2040 optprosetup.tmp 2040 optprosetup.tmp 2040 optprosetup.tmp 2040 optprosetup.tmp 2040 optprosetup.tmp 2040 optprosetup.tmp 1276 rundll32.exe 1276 rundll32.exe 1276 rundll32.exe 1276 rundll32.exe 1540 rundll32.exe 1540 rundll32.exe 1540 rundll32.exe 1540 rundll32.exe 2040 optprosetup.tmp 2040 optprosetup.tmp 1540 rundll32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
optprosetup.tmpdescription ioc process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run optprosetup.tmp Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\Optimizer Pro = "C:\\Program Files (x86)\\Optimizer Pro\\OptProLauncher.exe" optprosetup.tmp -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 36 IoCs
Processes:
optprosetup.tmpdescription ioc process File opened for modification C:\Program Files (x86)\Optimizer Pro\OptProSmartScan.exe optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-IOB05.tmp optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-4GG36.tmp optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-N0SSH.tmp optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-RH0FO.tmp optprosetup.tmp File opened for modification C:\Program Files (x86)\Optimizer Pro\OptProHelper.dll optprosetup.tmp File opened for modification C:\Program Files (x86)\Optimizer Pro\OptProStart.exe optprosetup.tmp File opened for modification C:\Program Files (x86)\Optimizer Pro\OptProGuard.exe optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\unins000.dat optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-P16VP.tmp optprosetup.tmp File opened for modification C:\Program Files (x86)\Optimizer Pro\OptProUninstaller.exe optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-PDV25.tmp optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-0ILKS.tmp optprosetup.tmp File opened for modification C:\Program Files (x86)\Optimizer Pro\itdownload.dll optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-7GCIJ.tmp optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-627IU.tmp optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-90EBL.tmp optprosetup.tmp File opened for modification C:\Program Files (x86)\Optimizer Pro\sqlite3.dll optprosetup.tmp File opened for modification C:\Program Files (x86)\Optimizer Pro\OptProLauncher.exe optprosetup.tmp File opened for modification C:\Program Files (x86)\Optimizer Pro\OptProSchedule.exe optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-5ME2N.tmp optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-9B4PN.tmp optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\OptProCrash.dll optprosetup.tmp File opened for modification C:\Program Files (x86)\Optimizer Pro\OptimizerPro.exe optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-POO4R.tmp optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-7UE7C.tmp optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\unins000.msg optprosetup.tmp File opened for modification C:\Program Files (x86)\Optimizer Pro\unins000.dat optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-7EAVP.tmp optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-6B1JF.tmp optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-UIS62.tmp optprosetup.tmp File opened for modification C:\Program Files (x86)\Optimizer Pro\OptimizerPro.chm optprosetup.tmp File opened for modification C:\Program Files (x86)\Optimizer Pro\OptProReminder.exe optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-64L7Q.tmp optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-ARM1V.tmp optprosetup.tmp File created C:\Program Files (x86)\Optimizer Pro\is-4SUP8.tmp optprosetup.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies data under HKEY_USERS 51 IoCs
Processes:
rundll32.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\37b7a6d8 = "UlAr/XJ/c//k////" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\587b5709 = "V/////%%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\d1abcdb6 = "///%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\f0bf0bde = "///%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\f6ad6fa6 = "VP/l/C//V/////%%" rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\00000000\370856c7 = 6e0055003100550030003700780030006d00300031004d00300036004500300071006c0031004d0030003600450030006900550031004e0030003600740030006d006c003000530030003600680030006e006c0031004100300036004500300000006e0055003100550030003700780030006d00300031004d0030003600450030006d00550031005000300037003800300070006c00310044003000360049003000700055003000530030003600680030006e006c0031004100300036004500300000006e0055003100550030003700780030006d00300031004d0030003600450030006900780031004f0030003600680030006e0030003100440030003700780030006a0078003000530030003600680030006e006c0031004100300036004500300000006e0055003100550030003700780030006d00300031004d0030003600450030006d00550031005000300037003800300070006c003000530030003600680030006e006c0031004100300036004500300000000000 rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\0c230bcb = "///%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\6185d035 = "VP/h/CP/V//l////" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\bbf88800 = "///%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\c5705860 = "Vx////%%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\c6c5dd44 = "V/////%%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\fe94ce1e = "V/////%%" rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\00000000\a47da861 = 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 rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\65114b36 = "VP/+////" rundll32.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\iiid = "1" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\1520c6f1 = "V/////%%" rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F} rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\7367429f = "///%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\a0743acc = "N/////%%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\e8f9dcc7 = "UlAr/XJ/c//k////" rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\060df2cd = "alAl/YP/b/Af/X6/UxAp/X2/GxAk////" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\7f69fa1f = "///%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\a2e3b941 = "///%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\e46c271e = "///%" rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\00000000 rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\0dc3ee96 = "/P////%%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\0e93c3f3 = "///%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\3c09c42b = "///%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\414bc593 = "///%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\48bd1aff = "VP/l/C//N//l////" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\72758a5d = "///%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\d94388d2 = "alAl/YP/b/Af/X6/clAu/XZ/UxAp/X2/GxAk////" rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\00000000\493c7345 = 00000000 rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\2d71d5ab = "V/////%%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\38583bc3 = "Ml/2/CF/M//g/CZ////%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\a1dcff5b = "V/////%%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\f1f24e29 = "Vl/l/C/////%" rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\1c311243 = "alAl/YP/b/Af/X6/clAu/XZ/UxAp/X2/GxAk////" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\27ddcf6f = "///%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\2e22d94e = "///%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\340d3099 = "/P////%%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\51d2f2ea = "IlAl/YP/J/Af/X6/PlAf/XD/blAq/B//VP/j/Cx/V//j/CZ/V//l/CZ////%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\8b9e4cbc = "V/////%%" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\c24899a6 = "Vx/g/C//M/////%%" rundll32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\00000000\3efeb33e = 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 rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\f2c53c49 = "UlAr/XJ/c//k////" rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\c99a5f5c = "///%" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
optprosetup.tmprundll32.exepid process 2040 optprosetup.tmp 2040 optprosetup.tmp 1540 rundll32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
optprosetup.tmppid process 2040 optprosetup.tmp -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exeoptprosetup.exeoptprosetup.tmprundll32.exedescription pid process target process PID 1784 wrote to memory of 1036 1784 3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exe optprosetup.exe PID 1784 wrote to memory of 1036 1784 3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exe optprosetup.exe PID 1784 wrote to memory of 1036 1784 3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exe optprosetup.exe PID 1784 wrote to memory of 1036 1784 3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exe optprosetup.exe PID 1784 wrote to memory of 1036 1784 3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exe optprosetup.exe PID 1784 wrote to memory of 1036 1784 3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exe optprosetup.exe PID 1784 wrote to memory of 1036 1784 3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exe optprosetup.exe PID 1036 wrote to memory of 2040 1036 optprosetup.exe optprosetup.tmp PID 1036 wrote to memory of 2040 1036 optprosetup.exe optprosetup.tmp PID 1036 wrote to memory of 2040 1036 optprosetup.exe optprosetup.tmp PID 1036 wrote to memory of 2040 1036 optprosetup.exe optprosetup.tmp PID 1036 wrote to memory of 2040 1036 optprosetup.exe optprosetup.tmp PID 1036 wrote to memory of 2040 1036 optprosetup.exe optprosetup.tmp PID 1036 wrote to memory of 2040 1036 optprosetup.exe optprosetup.tmp PID 2040 wrote to memory of 1276 2040 optprosetup.tmp rundll32.exe PID 2040 wrote to memory of 1276 2040 optprosetup.tmp rundll32.exe PID 2040 wrote to memory of 1276 2040 optprosetup.tmp rundll32.exe PID 2040 wrote to memory of 1276 2040 optprosetup.tmp rundll32.exe PID 2040 wrote to memory of 1276 2040 optprosetup.tmp rundll32.exe PID 2040 wrote to memory of 1276 2040 optprosetup.tmp rundll32.exe PID 2040 wrote to memory of 1276 2040 optprosetup.tmp rundll32.exe PID 1876 wrote to memory of 1540 1876 rundll32.exe rundll32.exe PID 1876 wrote to memory of 1540 1876 rundll32.exe rundll32.exe PID 1876 wrote to memory of 1540 1876 rundll32.exe rundll32.exe PID 1876 wrote to memory of 1540 1876 rundll32.exe rundll32.exe PID 1876 wrote to memory of 1540 1876 rundll32.exe rundll32.exe PID 1876 wrote to memory of 1540 1876 rundll32.exe rundll32.exe PID 1876 wrote to memory of 1540 1876 rundll32.exe rundll32.exe PID 2040 wrote to memory of 1264 2040 optprosetup.tmp OptProStart.exe PID 2040 wrote to memory of 1264 2040 optprosetup.tmp OptProStart.exe PID 2040 wrote to memory of 1264 2040 optprosetup.tmp OptProStart.exe PID 2040 wrote to memory of 1264 2040 optprosetup.tmp OptProStart.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exe"C:\Users\Admin\AppData\Local\Temp\3ead94fb536b3ef07de53af5b6357296b94ffddbe773595348ff9e22ef038ed0.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\optprosetup.exeC:\Users\Admin\AppData\Local\Temp\\optprosetup.exe /VERYSILENT2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-VH8C1.tmp\optprosetup.tmp"C:\Users\Admin\AppData\Local\Temp\is-VH8C1.tmp\optprosetup.tmp" /SL5="$60124,5286589,118784,C:\Users\Admin\AppData\Local\Temp\optprosetup.exe" /VERYSILENT3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\Optimizer Pro\OptProCrash.dll",ENT -install4⤵
- Loads dropped DLL
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C:\Program Files (x86)\Optimizer Pro\OptProStart.exe"C:\Program Files (x86)\Optimizer Pro\OptProStart.exe"4⤵
- Executes dropped EXE
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\Optimizer Pro\OptProCrash.dll",ENT1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\Optimizer Pro\OptProCrash.dll",ENT2⤵
- Loads dropped DLL
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\Optimizer Pro\OptProStart.exeFilesize
643KB
MD51713fa8e8ecdfb32c46dd466c63107c6
SHA13798f368de630f751d3c05de7f9cfe7134caa604
SHA2568e8c99cbefb1e13e19b730c287f8a46b175f888d1959948bb9540008233dca2f
SHA51271bf969af56061520a534ed5c25bed4fca5fbda02218fe79eab1bb32912c7e3da6bd3071ed5b3a1259205e145d1251ab4dd74cc2afc99ab708b50c39e98470c1
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C:\Users\Admin\AppData\Local\Temp\is-VH8C1.tmp\optprosetup.tmpFilesize
1.1MB
MD550488cf899d007d697893fc72a823fb0
SHA1bc5512f623656ad69a054d558c35d463a5a8a6c1
SHA256d9b74c8ed046400b8966ca503bc5a4f0445736949651c4af8faefc68265652cf
SHA5122b275262a2f7a4a55bc40a8e3e264831273d04f197f52fabfbdb9720f0754da17d3da6a872590aebd5e4fc462b25b55c34c45e56fd7319bf1b52d847dd4f74a0
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C:\Users\Admin\AppData\Local\Temp\is-VH8C1.tmp\optprosetup.tmpFilesize
1.1MB
MD550488cf899d007d697893fc72a823fb0
SHA1bc5512f623656ad69a054d558c35d463a5a8a6c1
SHA256d9b74c8ed046400b8966ca503bc5a4f0445736949651c4af8faefc68265652cf
SHA5122b275262a2f7a4a55bc40a8e3e264831273d04f197f52fabfbdb9720f0754da17d3da6a872590aebd5e4fc462b25b55c34c45e56fd7319bf1b52d847dd4f74a0
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C:\Users\Admin\AppData\Local\Temp\optprosetup.exeFilesize
5.5MB
MD53d31e999e8433d22b740ee0c55ac93ce
SHA173ad53e7f5198f124f70d31bf2b2c6511aa8caea
SHA256769ce23a88674e9ff07f08652c4fa2498dd6301359a2bc8fda5e50f59ebce6ba
SHA51285654a99bbb36c49490cdc91ad663bd25ca08b691c33002abc7258e9e0e3618734650dbbba51cfd915f80322253d0dd36eabce954a0da8f297d7072dabbc753b
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C:\Users\Admin\AppData\Local\Temp\optprosetup.exeFilesize
5.5MB
MD53d31e999e8433d22b740ee0c55ac93ce
SHA173ad53e7f5198f124f70d31bf2b2c6511aa8caea
SHA256769ce23a88674e9ff07f08652c4fa2498dd6301359a2bc8fda5e50f59ebce6ba
SHA51285654a99bbb36c49490cdc91ad663bd25ca08b691c33002abc7258e9e0e3618734650dbbba51cfd915f80322253d0dd36eabce954a0da8f297d7072dabbc753b
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\??\c:\Program Files (x86)\Optimizer Pro\OptProCrash.dllFilesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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\Program Files (x86)\Optimizer Pro\OptProCrash.dllFilesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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\Program Files (x86)\Optimizer Pro\OptProCrash.dllFilesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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\Program Files (x86)\Optimizer Pro\OptProCrash.dllFilesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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\Program Files (x86)\Optimizer Pro\OptProCrash.dllFilesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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\Program Files (x86)\Optimizer Pro\OptProCrash.dllFilesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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\Program Files (x86)\Optimizer Pro\OptProCrash.dllFilesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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\Program Files (x86)\Optimizer Pro\OptProCrash.dllFilesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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\Program Files (x86)\Optimizer Pro\OptProCrash.dllFilesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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\Program Files (x86)\Optimizer Pro\OptProCrash.dllFilesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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\Program Files (x86)\Optimizer Pro\OptProStart.exeFilesize
643KB
MD51713fa8e8ecdfb32c46dd466c63107c6
SHA13798f368de630f751d3c05de7f9cfe7134caa604
SHA2568e8c99cbefb1e13e19b730c287f8a46b175f888d1959948bb9540008233dca2f
SHA51271bf969af56061520a534ed5c25bed4fca5fbda02218fe79eab1bb32912c7e3da6bd3071ed5b3a1259205e145d1251ab4dd74cc2afc99ab708b50c39e98470c1
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\Program Files (x86)\Optimizer Pro\OptProStart.exeFilesize
643KB
MD51713fa8e8ecdfb32c46dd466c63107c6
SHA13798f368de630f751d3c05de7f9cfe7134caa604
SHA2568e8c99cbefb1e13e19b730c287f8a46b175f888d1959948bb9540008233dca2f
SHA51271bf969af56061520a534ed5c25bed4fca5fbda02218fe79eab1bb32912c7e3da6bd3071ed5b3a1259205e145d1251ab4dd74cc2afc99ab708b50c39e98470c1
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\Program Files (x86)\Optimizer Pro\OptimizerPro.exeFilesize
3.1MB
MD5c2c83c1e16f8e452951257ef4e5421cf
SHA119dbd5ea6880f0ba2a2cbfae18c814a038d8a092
SHA2560d826f5799d95619a997f252798fff9ed2f975c96ea7acf1c3c8463062a1ca39
SHA51203941c2f82e353c98a704beed91194a9add36e9d7ed043b141f2d599d4dbce27f0c0dcc33a7c7648ccd61a6dd708e37e331ef25fa1c78f0d2650932055e708c0
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\Program Files (x86)\Optimizer Pro\OptimizerPro.exeFilesize
3.1MB
MD5c2c83c1e16f8e452951257ef4e5421cf
SHA119dbd5ea6880f0ba2a2cbfae18c814a038d8a092
SHA2560d826f5799d95619a997f252798fff9ed2f975c96ea7acf1c3c8463062a1ca39
SHA51203941c2f82e353c98a704beed91194a9add36e9d7ed043b141f2d599d4dbce27f0c0dcc33a7c7648ccd61a6dd708e37e331ef25fa1c78f0d2650932055e708c0
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\Program Files (x86)\Optimizer Pro\OptimizerPro.exeFilesize
3.1MB
MD5c2c83c1e16f8e452951257ef4e5421cf
SHA119dbd5ea6880f0ba2a2cbfae18c814a038d8a092
SHA2560d826f5799d95619a997f252798fff9ed2f975c96ea7acf1c3c8463062a1ca39
SHA51203941c2f82e353c98a704beed91194a9add36e9d7ed043b141f2d599d4dbce27f0c0dcc33a7c7648ccd61a6dd708e37e331ef25fa1c78f0d2650932055e708c0
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\Program Files (x86)\Optimizer Pro\unins000.exeFilesize
1.1MB
MD550488cf899d007d697893fc72a823fb0
SHA1bc5512f623656ad69a054d558c35d463a5a8a6c1
SHA256d9b74c8ed046400b8966ca503bc5a4f0445736949651c4af8faefc68265652cf
SHA5122b275262a2f7a4a55bc40a8e3e264831273d04f197f52fabfbdb9720f0754da17d3da6a872590aebd5e4fc462b25b55c34c45e56fd7319bf1b52d847dd4f74a0
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\Users\Admin\AppData\Local\Temp\is-L0QR9.tmp\OptProCrash.dllFilesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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\Users\Admin\AppData\Local\Temp\is-L0QR9.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-L0QR9.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-L0QR9.tmp\itdownload.dllFilesize
200KB
MD5d82a429efd885ca0f324dd92afb6b7b8
SHA186bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea
SHA256b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3
SHA5125bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df
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\Users\Admin\AppData\Local\Temp\is-VH8C1.tmp\optprosetup.tmpFilesize
1.1MB
MD550488cf899d007d697893fc72a823fb0
SHA1bc5512f623656ad69a054d558c35d463a5a8a6c1
SHA256d9b74c8ed046400b8966ca503bc5a4f0445736949651c4af8faefc68265652cf
SHA5122b275262a2f7a4a55bc40a8e3e264831273d04f197f52fabfbdb9720f0754da17d3da6a872590aebd5e4fc462b25b55c34c45e56fd7319bf1b52d847dd4f74a0
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\Users\Admin\AppData\Local\Temp\optprosetup.exeFilesize
5.5MB
MD53d31e999e8433d22b740ee0c55ac93ce
SHA173ad53e7f5198f124f70d31bf2b2c6511aa8caea
SHA256769ce23a88674e9ff07f08652c4fa2498dd6301359a2bc8fda5e50f59ebce6ba
SHA51285654a99bbb36c49490cdc91ad663bd25ca08b691c33002abc7258e9e0e3618734650dbbba51cfd915f80322253d0dd36eabce954a0da8f297d7072dabbc753b
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memory/1036-57-0x00000000753C1000-0x00000000753C3000-memory.dmpFilesize
8KB
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memory/1036-58-0x0000000000400000-0x0000000000427000-memory.dmpFilesize
156KB
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memory/1036-61-0x0000000000400000-0x0000000000427000-memory.dmpFilesize
156KB
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memory/1036-96-0x0000000000400000-0x0000000000427000-memory.dmpFilesize
156KB
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memory/1036-77-0x0000000000400000-0x0000000000427000-memory.dmpFilesize
156KB
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memory/1036-55-0x0000000000000000-mapping.dmp
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memory/1264-93-0x0000000000000000-mapping.dmp
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memory/1276-78-0x0000000000000000-mapping.dmp
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memory/1540-85-0x0000000000000000-mapping.dmp
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memory/2040-69-0x0000000001FF0000-0x000000000202C000-memory.dmpFilesize
240KB
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memory/2040-71-0x00000000740A1000-0x00000000740A3000-memory.dmpFilesize
8KB
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memory/2040-63-0x0000000000000000-mapping.dmp