Analysis
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max time kernel
134s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
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submitted
23-11-2022 11:26
General
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Target
5389159dd6c85df8258d70e9252e78522ada01b8b80b0b4ebedb45f24ab98dda.exe
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Size
5.7MB
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MD5
a267d8bf3dd57078016798d9dfeefa1b
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SHA1
45ac2f5bceef72ae1f9b405f8efe5c0dd3f981c9
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SHA256
5389159dd6c85df8258d70e9252e78522ada01b8b80b0b4ebedb45f24ab98dda
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SHA512
265ebb37556c91c0f52d73db4e625eac5d490d46f046bb8f02186cc82d5ebc73d65c034b590036628978712c3b71d7ef814d202fbce049bb9c6d1b93fd3d3845
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SSDEEP
98304:DL+p957/mfkAb0JOyEmi+thHGAa0P9CQOGCfRJ2jlTDZ2l4wdcACdcruV95czo:/89J/ANzywiJlgQNUJ2BTDYiqcAViVwM
Malware Config
Signatures
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Executes dropped EXE 4 IoCs
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Modifies AppInit DLL entries 2 TTPs
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Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL 7 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
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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
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies data under HKEY_USERS 53 IoCs
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Suspicious behavior: EnumeratesProcesses 6 IoCs
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Suspicious use of FindShellTrayWindow 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5389159dd6c85df8258d70e9252e78522ada01b8b80b0b4ebedb45f24ab98dda.exe"C:\Users\Admin\AppData\Local\Temp\5389159dd6c85df8258d70e9252e78522ada01b8b80b0b4ebedb45f24ab98dda.exe"1⤵
- 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
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-FK8O9.tmp\optprosetup.tmp"C:\Users\Admin\AppData\Local\Temp\is-FK8O9.tmp\optprosetup.tmp" /SL5="$D0054,5286589,118784,C:\Users\Admin\AppData\Local\Temp\optprosetup.exe" /VERYSILENT3⤵
- Executes dropped EXE
- Checks computer location settings
- 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
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Optimizer Pro\OptimizerPro.exe"C:\Program Files (x86)\Optimizer Pro\OptimizerPro.exe" /START5⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Optimizer Pro Schedule" /TR "\"C:\Program Files (x86)\Optimizer Pro\OptProLauncher.exe\"" /SC ONLOGON /RL HIGHEST /F6⤵
- Creates scheduled task(s)
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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 Enterprise v6
Replay Monitor
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Downloads
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Filesize
22KB
MD517c6915f5142b3d576c19dbe9615f1ea
SHA1c2e4c3b15ae9744ea564bc3393923e3e12e38f09
SHA256e0f54af0f070c5a37dc67182fbc53bbda664d714e0b100f398fddbe5bb817884
SHA512346e7e982401b43ce5d8e19b2f77848802f3dfbb279d369031bb77388edd4b137dc52ec96066c79e27eb49cf621a3a9d8f81c7f8a3c04a8103aadfd46c12a66d
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Filesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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Filesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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Filesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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Filesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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Filesize
643KB
MD51713fa8e8ecdfb32c46dd466c63107c6
SHA13798f368de630f751d3c05de7f9cfe7134caa604
SHA2568e8c99cbefb1e13e19b730c287f8a46b175f888d1959948bb9540008233dca2f
SHA51271bf969af56061520a534ed5c25bed4fca5fbda02218fe79eab1bb32912c7e3da6bd3071ed5b3a1259205e145d1251ab4dd74cc2afc99ab708b50c39e98470c1
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Filesize
643KB
MD51713fa8e8ecdfb32c46dd466c63107c6
SHA13798f368de630f751d3c05de7f9cfe7134caa604
SHA2568e8c99cbefb1e13e19b730c287f8a46b175f888d1959948bb9540008233dca2f
SHA51271bf969af56061520a534ed5c25bed4fca5fbda02218fe79eab1bb32912c7e3da6bd3071ed5b3a1259205e145d1251ab4dd74cc2afc99ab708b50c39e98470c1
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Filesize
3.1MB
MD5c2c83c1e16f8e452951257ef4e5421cf
SHA119dbd5ea6880f0ba2a2cbfae18c814a038d8a092
SHA2560d826f5799d95619a997f252798fff9ed2f975c96ea7acf1c3c8463062a1ca39
SHA51203941c2f82e353c98a704beed91194a9add36e9d7ed043b141f2d599d4dbce27f0c0dcc33a7c7648ccd61a6dd708e37e331ef25fa1c78f0d2650932055e708c0
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Filesize
3.1MB
MD5c2c83c1e16f8e452951257ef4e5421cf
SHA119dbd5ea6880f0ba2a2cbfae18c814a038d8a092
SHA2560d826f5799d95619a997f252798fff9ed2f975c96ea7acf1c3c8463062a1ca39
SHA51203941c2f82e353c98a704beed91194a9add36e9d7ed043b141f2d599d4dbce27f0c0dcc33a7c7648ccd61a6dd708e37e331ef25fa1c78f0d2650932055e708c0
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Filesize
55KB
MD56858a1ce31e5f92785fb525ce9725b8a
SHA16f666e761cb39ec0efa78038038706c6e09641ca
SHA256d576f0c14f855954701b054d625f7a95a5bfcd97ace82d83a4f00bda7a4cc908
SHA512b23b40e5f278dc12be7ebe0872acff893df84ff7c936f56de8111e0dfc442dd2797583d7bb5feb4157bb67292344ea078bce1f93f5a3f60a5bbe20032ccad9f2
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Filesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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Filesize
200KB
MD5d82a429efd885ca0f324dd92afb6b7b8
SHA186bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea
SHA256b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3
SHA5125bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df
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Filesize
200KB
MD5d82a429efd885ca0f324dd92afb6b7b8
SHA186bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea
SHA256b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3
SHA5125bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df
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Filesize
1.1MB
MD550488cf899d007d697893fc72a823fb0
SHA1bc5512f623656ad69a054d558c35d463a5a8a6c1
SHA256d9b74c8ed046400b8966ca503bc5a4f0445736949651c4af8faefc68265652cf
SHA5122b275262a2f7a4a55bc40a8e3e264831273d04f197f52fabfbdb9720f0754da17d3da6a872590aebd5e4fc462b25b55c34c45e56fd7319bf1b52d847dd4f74a0
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Filesize
1.1MB
MD550488cf899d007d697893fc72a823fb0
SHA1bc5512f623656ad69a054d558c35d463a5a8a6c1
SHA256d9b74c8ed046400b8966ca503bc5a4f0445736949651c4af8faefc68265652cf
SHA5122b275262a2f7a4a55bc40a8e3e264831273d04f197f52fabfbdb9720f0754da17d3da6a872590aebd5e4fc462b25b55c34c45e56fd7319bf1b52d847dd4f74a0
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Filesize
5.5MB
MD53d31e999e8433d22b740ee0c55ac93ce
SHA173ad53e7f5198f124f70d31bf2b2c6511aa8caea
SHA256769ce23a88674e9ff07f08652c4fa2498dd6301359a2bc8fda5e50f59ebce6ba
SHA51285654a99bbb36c49490cdc91ad663bd25ca08b691c33002abc7258e9e0e3618734650dbbba51cfd915f80322253d0dd36eabce954a0da8f297d7072dabbc753b
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Filesize
5.5MB
MD53d31e999e8433d22b740ee0c55ac93ce
SHA173ad53e7f5198f124f70d31bf2b2c6511aa8caea
SHA256769ce23a88674e9ff07f08652c4fa2498dd6301359a2bc8fda5e50f59ebce6ba
SHA51285654a99bbb36c49490cdc91ad663bd25ca08b691c33002abc7258e9e0e3618734650dbbba51cfd915f80322253d0dd36eabce954a0da8f297d7072dabbc753b
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Filesize
3.4MB
MD58565b14afbe6625e11065a3526c75192
SHA12eff65173426ca303dec447d66028552629836d5
SHA256da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11
SHA5122740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9
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Filesize
240KB
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Filesize
156KB
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Filesize
156KB
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Filesize
156KB
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