Analysis

  • max time kernel
    152s
  • max time network
    186s
  • 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

General

  • Target

    ffc070af48fb1f64e11630d2dfcd55f3afe325feb8dd78c6102a4d390fe3a24d.exe

  • Size

    5.7MB

  • MD5

    3322907ae113079bd33355e4e9f63d22

  • SHA1

    02134100cb5e2be44fab2f227fa3588d5e87ba34

  • SHA256

    ffc070af48fb1f64e11630d2dfcd55f3afe325feb8dd78c6102a4d390fe3a24d

  • SHA512

    a32fde7f82ab442405b69186c8ebd538d494b013aab3b70abc3df1f63eb5fd510a27a1bce55eaacdeae7e90b7bfd55b5d405c2d3bd371e30aec4d6b13a801675

  • SSDEEP

    98304:5L+p957/mfkAb0JOyEmi+thHGAa0P9CQOGCfRJ2jlTDZ2l4wdcACdcruV95cz6:N89J/ANzywiJlgQNUJ2BTDYiqcAViVwO

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Modifies AppInit DLL entries 2 TTPs
  • Loads dropped DLL 20 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 36 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies data under HKEY_USERS 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ffc070af48fb1f64e11630d2dfcd55f3afe325feb8dd78c6102a4d390fe3a24d.exe
    "C:\Users\Admin\AppData\Local\Temp\ffc070af48fb1f64e11630d2dfcd55f3afe325feb8dd78c6102a4d390fe3a24d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1232
    • 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:1348
      • C:\Users\Admin\AppData\Local\Temp\is-MPE4O.tmp\optprosetup.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-MPE4O.tmp\optprosetup.tmp" /SL5="$9001C,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:1920
        • 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:2028
        • C:\Program Files (x86)\Optimizer Pro\OptProStart.exe
          "C:\Program Files (x86)\Optimizer Pro\OptProStart.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:844
          • C:\Program Files (x86)\Optimizer Pro\OptimizerPro.exe
            "C:\Program Files (x86)\Optimizer Pro\OptimizerPro.exe" /START
            5⤵
            • Executes dropped EXE
            PID:1552
  • 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:1620
    • 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:1728

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Optimizer Pro\OptProStart.exe

    Filesize

    643KB

    MD5

    1713fa8e8ecdfb32c46dd466c63107c6

    SHA1

    3798f368de630f751d3c05de7f9cfe7134caa604

    SHA256

    8e8c99cbefb1e13e19b730c287f8a46b175f888d1959948bb9540008233dca2f

    SHA512

    71bf969af56061520a534ed5c25bed4fca5fbda02218fe79eab1bb32912c7e3da6bd3071ed5b3a1259205e145d1251ab4dd74cc2afc99ab708b50c39e98470c1

  • C:\Program Files (x86)\Optimizer Pro\OptimizerPro.exe

    Filesize

    3.1MB

    MD5

    c2c83c1e16f8e452951257ef4e5421cf

    SHA1

    19dbd5ea6880f0ba2a2cbfae18c814a038d8a092

    SHA256

    0d826f5799d95619a997f252798fff9ed2f975c96ea7acf1c3c8463062a1ca39

    SHA512

    03941c2f82e353c98a704beed91194a9add36e9d7ed043b141f2d599d4dbce27f0c0dcc33a7c7648ccd61a6dd708e37e331ef25fa1c78f0d2650932055e708c0

  • C:\Program Files (x86)\Optimizer Pro\OptimizerPro.exe

    Filesize

    3.1MB

    MD5

    c2c83c1e16f8e452951257ef4e5421cf

    SHA1

    19dbd5ea6880f0ba2a2cbfae18c814a038d8a092

    SHA256

    0d826f5799d95619a997f252798fff9ed2f975c96ea7acf1c3c8463062a1ca39

    SHA512

    03941c2f82e353c98a704beed91194a9add36e9d7ed043b141f2d599d4dbce27f0c0dcc33a7c7648ccd61a6dd708e37e331ef25fa1c78f0d2650932055e708c0

  • C:\Users\Admin\AppData\Local\Temp\is-MPE4O.tmp\optprosetup.tmp

    Filesize

    1.1MB

    MD5

    50488cf899d007d697893fc72a823fb0

    SHA1

    bc5512f623656ad69a054d558c35d463a5a8a6c1

    SHA256

    d9b74c8ed046400b8966ca503bc5a4f0445736949651c4af8faefc68265652cf

    SHA512

    2b275262a2f7a4a55bc40a8e3e264831273d04f197f52fabfbdb9720f0754da17d3da6a872590aebd5e4fc462b25b55c34c45e56fd7319bf1b52d847dd4f74a0

  • C:\Users\Admin\AppData\Local\Temp\is-MPE4O.tmp\optprosetup.tmp

    Filesize

    1.1MB

    MD5

    50488cf899d007d697893fc72a823fb0

    SHA1

    bc5512f623656ad69a054d558c35d463a5a8a6c1

    SHA256

    d9b74c8ed046400b8966ca503bc5a4f0445736949651c4af8faefc68265652cf

    SHA512

    2b275262a2f7a4a55bc40a8e3e264831273d04f197f52fabfbdb9720f0754da17d3da6a872590aebd5e4fc462b25b55c34c45e56fd7319bf1b52d847dd4f74a0

  • C:\Users\Admin\AppData\Local\Temp\optprosetup.exe

    Filesize

    5.5MB

    MD5

    3d31e999e8433d22b740ee0c55ac93ce

    SHA1

    73ad53e7f5198f124f70d31bf2b2c6511aa8caea

    SHA256

    769ce23a88674e9ff07f08652c4fa2498dd6301359a2bc8fda5e50f59ebce6ba

    SHA512

    85654a99bbb36c49490cdc91ad663bd25ca08b691c33002abc7258e9e0e3618734650dbbba51cfd915f80322253d0dd36eabce954a0da8f297d7072dabbc753b

  • C:\Users\Admin\AppData\Local\Temp\optprosetup.exe

    Filesize

    5.5MB

    MD5

    3d31e999e8433d22b740ee0c55ac93ce

    SHA1

    73ad53e7f5198f124f70d31bf2b2c6511aa8caea

    SHA256

    769ce23a88674e9ff07f08652c4fa2498dd6301359a2bc8fda5e50f59ebce6ba

    SHA512

    85654a99bbb36c49490cdc91ad663bd25ca08b691c33002abc7258e9e0e3618734650dbbba51cfd915f80322253d0dd36eabce954a0da8f297d7072dabbc753b

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

    Filesize

    3.4MB

    MD5

    8565b14afbe6625e11065a3526c75192

    SHA1

    2eff65173426ca303dec447d66028552629836d5

    SHA256

    da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

    SHA512

    2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

  • \Program Files (x86)\Optimizer Pro\OptProCrash.dll

    Filesize

    3.4MB

    MD5

    8565b14afbe6625e11065a3526c75192

    SHA1

    2eff65173426ca303dec447d66028552629836d5

    SHA256

    da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

    SHA512

    2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

  • \Program Files (x86)\Optimizer Pro\OptProCrash.dll

    Filesize

    3.4MB

    MD5

    8565b14afbe6625e11065a3526c75192

    SHA1

    2eff65173426ca303dec447d66028552629836d5

    SHA256

    da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

    SHA512

    2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

  • \Program Files (x86)\Optimizer Pro\OptProCrash.dll

    Filesize

    3.4MB

    MD5

    8565b14afbe6625e11065a3526c75192

    SHA1

    2eff65173426ca303dec447d66028552629836d5

    SHA256

    da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

    SHA512

    2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

  • \Program Files (x86)\Optimizer Pro\OptProCrash.dll

    Filesize

    3.4MB

    MD5

    8565b14afbe6625e11065a3526c75192

    SHA1

    2eff65173426ca303dec447d66028552629836d5

    SHA256

    da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

    SHA512

    2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

  • \Program Files (x86)\Optimizer Pro\OptProCrash.dll

    Filesize

    3.4MB

    MD5

    8565b14afbe6625e11065a3526c75192

    SHA1

    2eff65173426ca303dec447d66028552629836d5

    SHA256

    da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

    SHA512

    2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

  • \Program Files (x86)\Optimizer Pro\OptProCrash.dll

    Filesize

    3.4MB

    MD5

    8565b14afbe6625e11065a3526c75192

    SHA1

    2eff65173426ca303dec447d66028552629836d5

    SHA256

    da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

    SHA512

    2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

  • \Program Files (x86)\Optimizer Pro\OptProCrash.dll

    Filesize

    3.4MB

    MD5

    8565b14afbe6625e11065a3526c75192

    SHA1

    2eff65173426ca303dec447d66028552629836d5

    SHA256

    da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

    SHA512

    2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

  • \Program Files (x86)\Optimizer Pro\OptProCrash.dll

    Filesize

    3.4MB

    MD5

    8565b14afbe6625e11065a3526c75192

    SHA1

    2eff65173426ca303dec447d66028552629836d5

    SHA256

    da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

    SHA512

    2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

  • \Program Files (x86)\Optimizer Pro\OptProStart.exe

    Filesize

    643KB

    MD5

    1713fa8e8ecdfb32c46dd466c63107c6

    SHA1

    3798f368de630f751d3c05de7f9cfe7134caa604

    SHA256

    8e8c99cbefb1e13e19b730c287f8a46b175f888d1959948bb9540008233dca2f

    SHA512

    71bf969af56061520a534ed5c25bed4fca5fbda02218fe79eab1bb32912c7e3da6bd3071ed5b3a1259205e145d1251ab4dd74cc2afc99ab708b50c39e98470c1

  • \Program Files (x86)\Optimizer Pro\OptProStart.exe

    Filesize

    643KB

    MD5

    1713fa8e8ecdfb32c46dd466c63107c6

    SHA1

    3798f368de630f751d3c05de7f9cfe7134caa604

    SHA256

    8e8c99cbefb1e13e19b730c287f8a46b175f888d1959948bb9540008233dca2f

    SHA512

    71bf969af56061520a534ed5c25bed4fca5fbda02218fe79eab1bb32912c7e3da6bd3071ed5b3a1259205e145d1251ab4dd74cc2afc99ab708b50c39e98470c1

  • \Program Files (x86)\Optimizer Pro\OptimizerPro.exe

    Filesize

    3.1MB

    MD5

    c2c83c1e16f8e452951257ef4e5421cf

    SHA1

    19dbd5ea6880f0ba2a2cbfae18c814a038d8a092

    SHA256

    0d826f5799d95619a997f252798fff9ed2f975c96ea7acf1c3c8463062a1ca39

    SHA512

    03941c2f82e353c98a704beed91194a9add36e9d7ed043b141f2d599d4dbce27f0c0dcc33a7c7648ccd61a6dd708e37e331ef25fa1c78f0d2650932055e708c0

  • \Program Files (x86)\Optimizer Pro\OptimizerPro.exe

    Filesize

    3.1MB

    MD5

    c2c83c1e16f8e452951257ef4e5421cf

    SHA1

    19dbd5ea6880f0ba2a2cbfae18c814a038d8a092

    SHA256

    0d826f5799d95619a997f252798fff9ed2f975c96ea7acf1c3c8463062a1ca39

    SHA512

    03941c2f82e353c98a704beed91194a9add36e9d7ed043b141f2d599d4dbce27f0c0dcc33a7c7648ccd61a6dd708e37e331ef25fa1c78f0d2650932055e708c0

  • \Program Files (x86)\Optimizer Pro\OptimizerPro.exe

    Filesize

    3.1MB

    MD5

    c2c83c1e16f8e452951257ef4e5421cf

    SHA1

    19dbd5ea6880f0ba2a2cbfae18c814a038d8a092

    SHA256

    0d826f5799d95619a997f252798fff9ed2f975c96ea7acf1c3c8463062a1ca39

    SHA512

    03941c2f82e353c98a704beed91194a9add36e9d7ed043b141f2d599d4dbce27f0c0dcc33a7c7648ccd61a6dd708e37e331ef25fa1c78f0d2650932055e708c0

  • \Program Files (x86)\Optimizer Pro\unins000.exe

    Filesize

    1.1MB

    MD5

    50488cf899d007d697893fc72a823fb0

    SHA1

    bc5512f623656ad69a054d558c35d463a5a8a6c1

    SHA256

    d9b74c8ed046400b8966ca503bc5a4f0445736949651c4af8faefc68265652cf

    SHA512

    2b275262a2f7a4a55bc40a8e3e264831273d04f197f52fabfbdb9720f0754da17d3da6a872590aebd5e4fc462b25b55c34c45e56fd7319bf1b52d847dd4f74a0

  • \Users\Admin\AppData\Local\Temp\is-96M0D.tmp\OptProCrash.dll

    Filesize

    3.4MB

    MD5

    8565b14afbe6625e11065a3526c75192

    SHA1

    2eff65173426ca303dec447d66028552629836d5

    SHA256

    da5cd23d75fb370d412568ae909e113145e0e472d8a9a80b3e06ed3c8f839c11

    SHA512

    2740810ab2042e8dd3b887566b0f2bc540ff07737a079c32cf35498e32729651db9466d2db33ff092d43b8735a0b6b83571a146e5503152ced971b23b9e56dd9

  • \Users\Admin\AppData\Local\Temp\is-96M0D.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-96M0D.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-96M0D.tmp\itdownload.dll

    Filesize

    200KB

    MD5

    d82a429efd885ca0f324dd92afb6b7b8

    SHA1

    86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea

    SHA256

    b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3

    SHA512

    5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df

  • \Users\Admin\AppData\Local\Temp\is-MPE4O.tmp\optprosetup.tmp

    Filesize

    1.1MB

    MD5

    50488cf899d007d697893fc72a823fb0

    SHA1

    bc5512f623656ad69a054d558c35d463a5a8a6c1

    SHA256

    d9b74c8ed046400b8966ca503bc5a4f0445736949651c4af8faefc68265652cf

    SHA512

    2b275262a2f7a4a55bc40a8e3e264831273d04f197f52fabfbdb9720f0754da17d3da6a872590aebd5e4fc462b25b55c34c45e56fd7319bf1b52d847dd4f74a0

  • \Users\Admin\AppData\Local\Temp\optprosetup.exe

    Filesize

    5.5MB

    MD5

    3d31e999e8433d22b740ee0c55ac93ce

    SHA1

    73ad53e7f5198f124f70d31bf2b2c6511aa8caea

    SHA256

    769ce23a88674e9ff07f08652c4fa2498dd6301359a2bc8fda5e50f59ebce6ba

    SHA512

    85654a99bbb36c49490cdc91ad663bd25ca08b691c33002abc7258e9e0e3618734650dbbba51cfd915f80322253d0dd36eabce954a0da8f297d7072dabbc753b

  • memory/844-93-0x0000000000000000-mapping.dmp

  • memory/1348-64-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/1348-71-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/1348-58-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/1348-57-0x0000000075C31000-0x0000000075C33000-memory.dmp

    Filesize

    8KB

  • memory/1348-55-0x0000000000000000-mapping.dmp

  • memory/1552-97-0x0000000000000000-mapping.dmp

  • memory/1728-85-0x0000000000000000-mapping.dmp

  • memory/1920-69-0x0000000001F90000-0x0000000001FCC000-memory.dmp

    Filesize

    240KB

  • memory/1920-62-0x0000000000000000-mapping.dmp

  • memory/1920-72-0x0000000074631000-0x0000000074633000-memory.dmp

    Filesize

    8KB

  • memory/2028-78-0x0000000000000000-mapping.dmp