e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0

Analysis

max time kernel
184s
max time network
205s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 11:25

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General

Target

e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0.exe
Size

5.7MB
MD5

5f01270664eb95b0389c2e9572a87f0b
SHA1

a5ec905b1f46e8758f0438898c66d978c2c824cb
SHA256

e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0
SHA512

85f5b0a147807238f2dedfde6e73bc683fae0a9b89e0e8c53a8a40a752801d03d7ba009cbfa6e02e48cf68ce1a4153d4ee29b60f2f676853bce67a7496442271
SSDEEP

98304:+L+p957/mfkAb0JOyEmi+thHGAa0P9CQOGCfRJ2jlTDZ2l4wdcACdcruV95czd:S89J/ANzywiJlgQNUJ2BTDYiqcAViVwR

Score

8^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

optprosetup.exeoptprosetup.tmp

pid process

268 optprosetup.exe
1928 optprosetup.tmp
Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

pid	process
268	optprosetup.exe
1928	optprosetup.tmp

Loads dropped DLL 18 IoCs

Processes:

e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0.exeoptprosetup.exeoptprosetup.tmprundll32.exerundll32.exe

pid	process
864	e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0.exe
268	optprosetup.exe
1928	optprosetup.tmp
1928	optprosetup.tmp
1928	optprosetup.tmp
1928	optprosetup.tmp
1928	optprosetup.tmp
1928	optprosetup.tmp
1928	optprosetup.tmp
1928	optprosetup.tmp
1100	rundll32.exe
1100	rundll32.exe
1100	rundll32.exe
1100	rundll32.exe
1300	rundll32.exe
1300	rundll32.exe
1300	rundll32.exe
1300	rundll32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

optprosetup.tmp

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Run	optprosetup.tmp
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\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.
discovery

Query Registry
T1012

Drops file in Program Files directory 36 IoCs

Processes:

optprosetup.tmp

description	ioc	process
File created	C:\Program Files (x86)\Optimizer Pro\is-Q2DPL.tmp	optprosetup.tmp
File opened for modification	C:\Program Files (x86)\Optimizer Pro\OptimizerPro.exe	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-VCML9.tmp	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-B6LTG.tmp	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-MF9H0.tmp	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-75DC8.tmp	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-2D1CM.tmp	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-L9FI7.tmp	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-KBSQK.tmp	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-TRUMQ.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\OptimizerPro.chm	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-ICBFL.tmp	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-CRSRP.tmp	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-GVO6S.tmp	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-0EA8B.tmp	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-5307M.tmp	optprosetup.tmp
File opened for modification	C:\Program Files (x86)\Optimizer Pro\OptProUninstaller.exe	optprosetup.tmp
File opened for modification	C:\Program Files (x86)\Optimizer Pro\OptProHelper.dll	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\unins000.dat	optprosetup.tmp
File opened for modification	C:\Program Files (x86)\Optimizer Pro\OptProGuard.exe	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-RB8GN.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\OptProSmartScan.exe	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-35AS3.tmp	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-SQADC.tmp	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-OT74G.tmp	optprosetup.tmp
File opened for modification	C:\Program Files (x86)\Optimizer Pro\OptProStart.exe	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-8Q2C2.tmp	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\is-52DOF.tmp	optprosetup.tmp
File opened for modification	C:\Program Files (x86)\Optimizer Pro\OptProReminder.exe	optprosetup.tmp
File opened for modification	C:\Program Files (x86)\Optimizer Pro\unins000.dat	optprosetup.tmp
File created	C:\Program Files (x86)\Optimizer Pro\OptProCrash.dll	optprosetup.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies data under HKEY_USERS 51 IoCs

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\e46c271e = "///%"	rundll32.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\f2c53c49 = "UlAr/XJ/c//k////"	rundll32.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	rundll32.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\00000000\3efeb33e = 6e0055003100550030003700780030006d00300031004d00300036004500300071006c0031004d0030003600450030006900550031004e0030003600740030006d006c003000530030003600680030006e006c0031004100300036004500300000006e0055003100550030003700780030006d00300031004d0030003600450030006d00550031005000300037003800300070006c00310044003000360049003000700055003000530030003600680030006e006c0031004100300036004500300000006e0055003100550030003700780030006d00300031004d0030003600450030006900780031004f0030003600680030006e0030003100440030003700780030006a0078003000530030003600680030006e006c0031004100300036004500300000006e0055003100550030003700780030006d00300031004d0030003600450030006d00550031005000300037003800300070006c003000530030003600680030006e006c0031004100300036004500300000000000	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\c24899a6 = "Vx/g/C//M/////%%"	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\7f69fa1f = "///%"	rundll32.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\c6c5dd44 = "V/////%%"	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\c5705860 = "Vx////%%"	rundll32.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\f1f24e29 = "Vl/l/C/////%"	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\27ddcf6f = "///%"	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\3c09c42b = "///%"	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	rundll32.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\00000000\370856c7 = 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	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\1520c6f1 = "V/////%%"	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 (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\a0743acc = "N/////%%"	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\d1abcdb6 = "///%"	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\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\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\e8f9dcc7 = "UlAr/XJ/c//k////"	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\8b9e4cbc = "V/////%%"	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\0c230bcb = "///%"	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\48bd1aff = "VP/l/C//N//l////"	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\72758a5d = "///%"	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\c99a5f5c = "///%"	rundll32.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\fe94ce1e = "V/////%%"	rundll32.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow	rundll32.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}	rundll32.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d	rundll32.exe
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\bbf88800 = "///%"	rundll32.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\00000000\493c7345 = 00000000	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\414bc593 = "///%"	rundll32.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\AppDataLow\{1146AC44-2F03-4431-B4FD-889BC837521F}\_70e6ca8c\eae10f9d\65114b36 = "VP/+////"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

optprosetup.tmp

pid process

1928 optprosetup.tmp
1928 optprosetup.tmp
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

optprosetup.tmp

pid process

1928 optprosetup.tmp

pid	process
1928	optprosetup.tmp
1928	optprosetup.tmp

pid	process
1928	optprosetup.tmp

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0.exeoptprosetup.exeoptprosetup.tmprundll32.exe

description	pid	process	target process
PID 864 wrote to memory of 268	864	e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0.exe	optprosetup.exe
PID 864 wrote to memory of 268	864	e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0.exe	optprosetup.exe
PID 864 wrote to memory of 268	864	e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0.exe	optprosetup.exe
PID 864 wrote to memory of 268	864	e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0.exe	optprosetup.exe
PID 864 wrote to memory of 268	864	e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0.exe	optprosetup.exe
PID 864 wrote to memory of 268	864	e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0.exe	optprosetup.exe
PID 864 wrote to memory of 268	864	e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0.exe	optprosetup.exe
PID 268 wrote to memory of 1928	268	optprosetup.exe	optprosetup.tmp
PID 268 wrote to memory of 1928	268	optprosetup.exe	optprosetup.tmp
PID 268 wrote to memory of 1928	268	optprosetup.exe	optprosetup.tmp
PID 268 wrote to memory of 1928	268	optprosetup.exe	optprosetup.tmp
PID 268 wrote to memory of 1928	268	optprosetup.exe	optprosetup.tmp
PID 268 wrote to memory of 1928	268	optprosetup.exe	optprosetup.tmp
PID 268 wrote to memory of 1928	268	optprosetup.exe	optprosetup.tmp
PID 1928 wrote to memory of 1100	1928	optprosetup.tmp	rundll32.exe
PID 1928 wrote to memory of 1100	1928	optprosetup.tmp	rundll32.exe
PID 1928 wrote to memory of 1100	1928	optprosetup.tmp	rundll32.exe
PID 1928 wrote to memory of 1100	1928	optprosetup.tmp	rundll32.exe
PID 1928 wrote to memory of 1100	1928	optprosetup.tmp	rundll32.exe
PID 1928 wrote to memory of 1100	1928	optprosetup.tmp	rundll32.exe
PID 1928 wrote to memory of 1100	1928	optprosetup.tmp	rundll32.exe
PID 1252 wrote to memory of 1300	1252	rundll32.exe	rundll32.exe
PID 1252 wrote to memory of 1300	1252	rundll32.exe	rundll32.exe
PID 1252 wrote to memory of 1300	1252	rundll32.exe	rundll32.exe
PID 1252 wrote to memory of 1300	1252	rundll32.exe	rundll32.exe
PID 1252 wrote to memory of 1300	1252	rundll32.exe	rundll32.exe
PID 1252 wrote to memory of 1300	1252	rundll32.exe	rundll32.exe
PID 1252 wrote to memory of 1300	1252	rundll32.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0.exe
"C:\Users\Admin\AppData\Local\Temp\e06842f4b3dcafd88ca3302f81bb293cc7c66b8dcc0d5a46407a351bd06a64b0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:864

C:\Users\Admin\AppData\Local\Temp\optprosetup.exe
C:\Users\Admin\AppData\Local\Temp\\optprosetup.exe /VERYSILENT
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:268

C:\Users\Admin\AppData\Local\Temp\is-OA8OP.tmp\optprosetup.tmp
"C:\Users\Admin\AppData\Local\Temp\is-OA8OP.tmp\optprosetup.tmp" /SL5="$70126,5286589,118784,C:\Users\Admin\AppData\Local\Temp\optprosetup.exe" /VERYSILENT
3⤵
- 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
PID:1928

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\Optimizer Pro\OptProCrash.dll",ENT -install
4⤵
- Loads dropped DLL
PID:1100

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\Optimizer Pro\OptProCrash.dll",ENT
1⤵
- Suspicious use of WriteProcessMemory
PID:1252

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\Optimizer Pro\OptProCrash.dll",ENT
2⤵
- Loads dropped DLL
- Modifies data under HKEY_USERS
PID:1300

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-OA8OP.tmp\optprosetup.tmp

Filesize
1.1MB

MD5
50488cf899d007d697893fc72a823fb0

SHA1
bc5512f623656ad69a054d558c35d463a5a8a6c1

SHA256
d9b74c8ed046400b8966ca503bc5a4f0445736949651c4af8faefc68265652cf

SHA512
2b275262a2f7a4a55bc40a8e3e264831273d04f197f52fabfbdb9720f0754da17d3da6a872590aebd5e4fc462b25b55c34c45e56fd7319bf1b52d847dd4f74a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-OA8OP.tmp\optprosetup.tmp

Filesize
1.1MB

MD5
50488cf899d007d697893fc72a823fb0

SHA1
bc5512f623656ad69a054d558c35d463a5a8a6c1

SHA256
d9b74c8ed046400b8966ca503bc5a4f0445736949651c4af8faefc68265652cf

SHA512
2b275262a2f7a4a55bc40a8e3e264831273d04f197f52fabfbdb9720f0754da17d3da6a872590aebd5e4fc462b25b55c34c45e56fd7319bf1b52d847dd4f74a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\optprosetup.exe

Filesize
5.5MB

MD5
3d31e999e8433d22b740ee0c55ac93ce

SHA1
73ad53e7f5198f124f70d31bf2b2c6511aa8caea

SHA256
769ce23a88674e9ff07f08652c4fa2498dd6301359a2bc8fda5e50f59ebce6ba

SHA512
85654a99bbb36c49490cdc91ad663bd25ca08b691c33002abc7258e9e0e3618734650dbbba51cfd915f80322253d0dd36eabce954a0da8f297d7072dabbc753b

Download Submit
C:\Users\Admin\AppData\Local\Temp\optprosetup.exe

Filesize
5.5MB

MD5
3d31e999e8433d22b740ee0c55ac93ce

SHA1
73ad53e7f5198f124f70d31bf2b2c6511aa8caea

SHA256
769ce23a88674e9ff07f08652c4fa2498dd6301359a2bc8fda5e50f59ebce6ba

SHA512
85654a99bbb36c49490cdc91ad663bd25ca08b691c33002abc7258e9e0e3618734650dbbba51cfd915f80322253d0dd36eabce954a0da8f297d7072dabbc753b

Download Submit
\??\c:\Program Files (x86)\Optimizer Pro\OptProCrash.dll

Filesize
3.4MB

MD5
8565b14afbe6625e11065a3526c75192

SHA1
2eff65173426ca303dec447d66028552629836d5

SHA256
da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

SHA512
2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

Download Submit
\Program Files (x86)\Optimizer Pro\OptProCrash.dll

Filesize
3.4MB

MD5
8565b14afbe6625e11065a3526c75192

SHA1
2eff65173426ca303dec447d66028552629836d5

SHA256
da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

SHA512
2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

Download Submit
\Program Files (x86)\Optimizer Pro\OptProCrash.dll

Filesize
3.4MB

MD5
8565b14afbe6625e11065a3526c75192

SHA1
2eff65173426ca303dec447d66028552629836d5

SHA256
da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

SHA512
2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

Download Submit
\Program Files (x86)\Optimizer Pro\OptProCrash.dll

Filesize
3.4MB

MD5
8565b14afbe6625e11065a3526c75192

SHA1
2eff65173426ca303dec447d66028552629836d5

SHA256
da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

SHA512
2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

Download Submit
\Program Files (x86)\Optimizer Pro\OptProCrash.dll

Filesize
3.4MB

MD5
8565b14afbe6625e11065a3526c75192

SHA1
2eff65173426ca303dec447d66028552629836d5

SHA256
da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

SHA512
2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

Download Submit
\Program Files (x86)\Optimizer Pro\OptProCrash.dll

Filesize
3.4MB

MD5
8565b14afbe6625e11065a3526c75192

SHA1
2eff65173426ca303dec447d66028552629836d5

SHA256
da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

SHA512
2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

Download Submit
\Program Files (x86)\Optimizer Pro\OptProCrash.dll

Filesize
3.4MB

MD5
8565b14afbe6625e11065a3526c75192

SHA1
2eff65173426ca303dec447d66028552629836d5

SHA256
da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

SHA512
2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

Download Submit
\Program Files (x86)\Optimizer Pro\OptProCrash.dll

Filesize
3.4MB

MD5
8565b14afbe6625e11065a3526c75192

SHA1
2eff65173426ca303dec447d66028552629836d5

SHA256
da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

SHA512
2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

Download Submit
\Program Files (x86)\Optimizer Pro\OptProCrash.dll

Filesize
3.4MB

MD5
8565b14afbe6625e11065a3526c75192

SHA1
2eff65173426ca303dec447d66028552629836d5

SHA256
da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

SHA512
2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

Download Submit
\Program Files (x86)\Optimizer Pro\OptimizerPro.exe

Filesize
3.1MB

MD5
c2c83c1e16f8e452951257ef4e5421cf

SHA1
19dbd5ea6880f0ba2a2cbfae18c814a038d8a092

SHA256
0d826f5799d95619a997f252798fff9ed2f975c96ea7acf1c3c8463062a1ca39

SHA512
03941c2f82e353c98a704beed91194a9add36e9d7ed043b141f2d599d4dbce27f0c0dcc33a7c7648ccd61a6dd708e37e331ef25fa1c78f0d2650932055e708c0

Download Submit
\Program Files (x86)\Optimizer Pro\OptimizerPro.exe

Filesize
3.1MB

MD5
c2c83c1e16f8e452951257ef4e5421cf

SHA1
19dbd5ea6880f0ba2a2cbfae18c814a038d8a092

SHA256
0d826f5799d95619a997f252798fff9ed2f975c96ea7acf1c3c8463062a1ca39

SHA512
03941c2f82e353c98a704beed91194a9add36e9d7ed043b141f2d599d4dbce27f0c0dcc33a7c7648ccd61a6dd708e37e331ef25fa1c78f0d2650932055e708c0

Download Submit
\Program Files (x86)\Optimizer Pro\OptimizerPro.exe

Filesize
3.1MB

MD5
c2c83c1e16f8e452951257ef4e5421cf

SHA1
19dbd5ea6880f0ba2a2cbfae18c814a038d8a092

SHA256
0d826f5799d95619a997f252798fff9ed2f975c96ea7acf1c3c8463062a1ca39

SHA512
03941c2f82e353c98a704beed91194a9add36e9d7ed043b141f2d599d4dbce27f0c0dcc33a7c7648ccd61a6dd708e37e331ef25fa1c78f0d2650932055e708c0

Download Submit
\Program Files (x86)\Optimizer Pro\unins000.exe

Filesize
1.1MB

MD5
50488cf899d007d697893fc72a823fb0

SHA1
bc5512f623656ad69a054d558c35d463a5a8a6c1

SHA256
d9b74c8ed046400b8966ca503bc5a4f0445736949651c4af8faefc68265652cf

SHA512
2b275262a2f7a4a55bc40a8e3e264831273d04f197f52fabfbdb9720f0754da17d3da6a872590aebd5e4fc462b25b55c34c45e56fd7319bf1b52d847dd4f74a0

Download Submit
\Users\Admin\AppData\Local\Temp\is-JM9I8.tmp\OptProCrash.dll

Filesize
3.4MB

MD5
8565b14afbe6625e11065a3526c75192

SHA1
2eff65173426ca303dec447d66028552629836d5

SHA256
da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

SHA512
2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

Download Submit
\Users\Admin\AppData\Local\Temp\is-JM9I8.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-JM9I8.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-JM9I8.tmp\itdownload.dll

Filesize
200KB

MD5
d82a429efd885ca0f324dd92afb6b7b8

SHA1
86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea

SHA256
b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3

SHA512
5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df

Download Submit
\Users\Admin\AppData\Local\Temp\is-OA8OP.tmp\optprosetup.tmp

Filesize
1.1MB

MD5
50488cf899d007d697893fc72a823fb0

SHA1
bc5512f623656ad69a054d558c35d463a5a8a6c1

SHA256
d9b74c8ed046400b8966ca503bc5a4f0445736949651c4af8faefc68265652cf

SHA512
2b275262a2f7a4a55bc40a8e3e264831273d04f197f52fabfbdb9720f0754da17d3da6a872590aebd5e4fc462b25b55c34c45e56fd7319bf1b52d847dd4f74a0

Download Submit
\Users\Admin\AppData\Local\Temp\optprosetup.exe

Filesize
5.5MB

MD5
3d31e999e8433d22b740ee0c55ac93ce

SHA1
73ad53e7f5198f124f70d31bf2b2c6511aa8caea

SHA256
769ce23a88674e9ff07f08652c4fa2498dd6301359a2bc8fda5e50f59ebce6ba

SHA512
85654a99bbb36c49490cdc91ad663bd25ca08b691c33002abc7258e9e0e3618734650dbbba51cfd915f80322253d0dd36eabce954a0da8f297d7072dabbc753b

Download Submit
memory/268-58-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/268-55-0x0000000000000000-mapping.dmp

Download
memory/268-65-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/268-57-0x0000000076B51000-0x0000000076B53000-memory.dmp

Filesize
8KB

Download
memory/1100-77-0x0000000000000000-mapping.dmp

Download
memory/1300-84-0x0000000000000000-mapping.dmp

Download
memory/1928-71-0x00000000748E1000-0x00000000748E3000-memory.dmp

Filesize
8KB

Download
memory/1928-62-0x0000000000000000-mapping.dmp

Download