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Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2022, 04:49

General

  • Target

    7909d52b9e1870b13daa6435015b52c8a87f9c646c67d0dd9efbdf1e34dda90f.exe

  • Size

    42KB

  • MD5

    44eb3d88f54f445d6896f99d23c055a9

  • SHA1

    4076dc5fff3f965a02e505dad1217cbba5717a7e

  • SHA256

    7909d52b9e1870b13daa6435015b52c8a87f9c646c67d0dd9efbdf1e34dda90f

  • SHA512

    39b976bad403e2a1454d8273791e39533e91ef80753e0c2b5f41cef33e18f3d2d1c164077e9338b7c88cfd528cc00a390fc2f337a603a8f7959ba80bdde34037

  • SSDEEP

    768:gSz0/XBwayCUOwV3TNZHdrPeqzEWvpbPwSMX6+w6pqZxLdeVgol9D8888888888l:BzOCay4wV339rPjzbpLwRJ9pSdoII

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 8 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 4 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 4 IoCs
  • ASPack v2.12-2.42 18 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 12 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 29 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 20 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7909d52b9e1870b13daa6435015b52c8a87f9c646c67d0dd9efbdf1e34dda90f.exe
    "C:\Users\Admin\AppData\Local\Temp\7909d52b9e1870b13daa6435015b52c8a87f9c646c67d0dd9efbdf1e34dda90f.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2864
    • C:\recycled\SVCHOST.EXE
      C:\recycled\SVCHOST.EXE :agent
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4512
      • C:\recycled\SVCHOST.EXE
        C:\recycled\SVCHOST.EXE :agent
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4216
      • C:\recycled\SPOOLSV.EXE
        C:\recycled\SPOOLSV.EXE :agent
        3⤵
        • Modifies WinLogon for persistence
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2896
        • C:\recycled\SVCHOST.EXE
          C:\recycled\SVCHOST.EXE :agent
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2840
        • C:\recycled\SPOOLSV.EXE
          C:\recycled\SPOOLSV.EXE :agent
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1928
        • C:\recycled\CTFMON.EXE
          C:\recycled\CTFMON.EXE :agent
          4⤵
          • Modifies WinLogon for persistence
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Windows directory
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4212
          • C:\recycled\SVCHOST.EXE
            C:\recycled\SVCHOST.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:204
          • C:\recycled\SPOOLSV.EXE
            C:\recycled\SPOOLSV.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:3692
          • C:\recycled\CTFMON.EXE
            C:\recycled\CTFMON.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1444
      • C:\recycled\CTFMON.EXE
        C:\recycled\CTFMON.EXE :agent
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3080
    • C:\recycled\SPOOLSV.EXE
      C:\recycled\SPOOLSV.EXE :agent
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:936
    • C:\recycled\CTFMON.EXE
      C:\recycled\CTFMON.EXE :agent
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4892
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\7909d52b9e1870b13daa6435015b52c8a87f9c646c67d0dd9efbdf1e34dda90f.doc" /o ""
      2⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:4448

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Recycled\CTFMON.EXE

    Filesize

    42KB

    MD5

    5962e262161173918965a4d0db5c65ac

    SHA1

    3613de872d6085d1f86aeb7b958b31b4bb859c8f

    SHA256

    8d0bd2648ee42f19f518585735e62985f8a6f7265e3d86ca40185fde6c5c30ee

    SHA512

    92217673a3090d9311ab647b6663b64008f39277d4528eb7e76385821e6e6483952c81a28fa8baf47f12bba7fb3571cf3502e9e144260c42ab2e5e858e8bc628

  • C:\Recycled\CTFMON.EXE

    Filesize

    42KB

    MD5

    5962e262161173918965a4d0db5c65ac

    SHA1

    3613de872d6085d1f86aeb7b958b31b4bb859c8f

    SHA256

    8d0bd2648ee42f19f518585735e62985f8a6f7265e3d86ca40185fde6c5c30ee

    SHA512

    92217673a3090d9311ab647b6663b64008f39277d4528eb7e76385821e6e6483952c81a28fa8baf47f12bba7fb3571cf3502e9e144260c42ab2e5e858e8bc628

  • C:\Recycled\CTFMON.EXE

    Filesize

    42KB

    MD5

    5962e262161173918965a4d0db5c65ac

    SHA1

    3613de872d6085d1f86aeb7b958b31b4bb859c8f

    SHA256

    8d0bd2648ee42f19f518585735e62985f8a6f7265e3d86ca40185fde6c5c30ee

    SHA512

    92217673a3090d9311ab647b6663b64008f39277d4528eb7e76385821e6e6483952c81a28fa8baf47f12bba7fb3571cf3502e9e144260c42ab2e5e858e8bc628

  • C:\Recycled\CTFMON.EXE

    Filesize

    42KB

    MD5

    5962e262161173918965a4d0db5c65ac

    SHA1

    3613de872d6085d1f86aeb7b958b31b4bb859c8f

    SHA256

    8d0bd2648ee42f19f518585735e62985f8a6f7265e3d86ca40185fde6c5c30ee

    SHA512

    92217673a3090d9311ab647b6663b64008f39277d4528eb7e76385821e6e6483952c81a28fa8baf47f12bba7fb3571cf3502e9e144260c42ab2e5e858e8bc628

  • C:\Recycled\SPOOLSV.EXE

    Filesize

    42KB

    MD5

    0c717c76cd2b88f2647d0553e1417ad9

    SHA1

    b0803966169600f8c5d1314e833e7904fa0091c4

    SHA256

    5d9b701f03ecd155ead220a6879e5b564b10b33844d332e92c59cad1950466f0

    SHA512

    4dec5a0f53be75d9f0a16471840c075560ea1161c3938b86d42a0403d55390cda2eff11a9dde490bce78e9bafa7eb8c05a927d2940ef660bb01256e975efb77c

  • C:\Recycled\SPOOLSV.EXE

    Filesize

    42KB

    MD5

    0c717c76cd2b88f2647d0553e1417ad9

    SHA1

    b0803966169600f8c5d1314e833e7904fa0091c4

    SHA256

    5d9b701f03ecd155ead220a6879e5b564b10b33844d332e92c59cad1950466f0

    SHA512

    4dec5a0f53be75d9f0a16471840c075560ea1161c3938b86d42a0403d55390cda2eff11a9dde490bce78e9bafa7eb8c05a927d2940ef660bb01256e975efb77c

  • C:\Recycled\SPOOLSV.EXE

    Filesize

    42KB

    MD5

    0c717c76cd2b88f2647d0553e1417ad9

    SHA1

    b0803966169600f8c5d1314e833e7904fa0091c4

    SHA256

    5d9b701f03ecd155ead220a6879e5b564b10b33844d332e92c59cad1950466f0

    SHA512

    4dec5a0f53be75d9f0a16471840c075560ea1161c3938b86d42a0403d55390cda2eff11a9dde490bce78e9bafa7eb8c05a927d2940ef660bb01256e975efb77c

  • C:\Recycled\SPOOLSV.EXE

    Filesize

    42KB

    MD5

    0c717c76cd2b88f2647d0553e1417ad9

    SHA1

    b0803966169600f8c5d1314e833e7904fa0091c4

    SHA256

    5d9b701f03ecd155ead220a6879e5b564b10b33844d332e92c59cad1950466f0

    SHA512

    4dec5a0f53be75d9f0a16471840c075560ea1161c3938b86d42a0403d55390cda2eff11a9dde490bce78e9bafa7eb8c05a927d2940ef660bb01256e975efb77c

  • C:\Recycled\SVCHOST.EXE

    Filesize

    42KB

    MD5

    30329e71cb77b653fb97f2c49cf066bf

    SHA1

    36e71441147ecd3e520b6a7fe5da3ff66dde428e

    SHA256

    9f6fb13e5ced63b7b3be2d718153c66ae18d3b7c5844dde6201f110e37c36d78

    SHA512

    1caf3cc2c0e6da029430bed24848faafacfdef4fcda95cb105c22ad23402f8302a52911020cf64744e28e8d16e722a354761753cd60ae1849b5f8f172125cef0

  • C:\Recycled\SVCHOST.EXE

    Filesize

    42KB

    MD5

    30329e71cb77b653fb97f2c49cf066bf

    SHA1

    36e71441147ecd3e520b6a7fe5da3ff66dde428e

    SHA256

    9f6fb13e5ced63b7b3be2d718153c66ae18d3b7c5844dde6201f110e37c36d78

    SHA512

    1caf3cc2c0e6da029430bed24848faafacfdef4fcda95cb105c22ad23402f8302a52911020cf64744e28e8d16e722a354761753cd60ae1849b5f8f172125cef0

  • C:\Recycled\SVCHOST.EXE

    Filesize

    42KB

    MD5

    30329e71cb77b653fb97f2c49cf066bf

    SHA1

    36e71441147ecd3e520b6a7fe5da3ff66dde428e

    SHA256

    9f6fb13e5ced63b7b3be2d718153c66ae18d3b7c5844dde6201f110e37c36d78

    SHA512

    1caf3cc2c0e6da029430bed24848faafacfdef4fcda95cb105c22ad23402f8302a52911020cf64744e28e8d16e722a354761753cd60ae1849b5f8f172125cef0

  • C:\Recycled\SVCHOST.EXE

    Filesize

    42KB

    MD5

    30329e71cb77b653fb97f2c49cf066bf

    SHA1

    36e71441147ecd3e520b6a7fe5da3ff66dde428e

    SHA256

    9f6fb13e5ced63b7b3be2d718153c66ae18d3b7c5844dde6201f110e37c36d78

    SHA512

    1caf3cc2c0e6da029430bed24848faafacfdef4fcda95cb105c22ad23402f8302a52911020cf64744e28e8d16e722a354761753cd60ae1849b5f8f172125cef0

  • C:\Users\Admin\AppData\Local\Temp\Flu Burung.txt

    Filesize

    2KB

    MD5

    1a1dce35d60d2c70ca8894954fd5d384

    SHA1

    58547dd65d506c892290755010d0232da34ee000

    SHA256

    2661c05273f33efa4b7faa6ed8a6f7e69a13ad86077f69ee285ece9cba57e44c

    SHA512

    4abe37613145fabeb44ea4c28ecc827c8a0eb2b003e86ae7aef9be5687711fa7a294f17567ea0a70a6f14ab3cbe7886c83763a7c49278097fd53f0d11fd8154e

  • C:\Users\Admin\AppData\Local\Temp\Flu Burung.txt

    Filesize

    2KB

    MD5

    1a1dce35d60d2c70ca8894954fd5d384

    SHA1

    58547dd65d506c892290755010d0232da34ee000

    SHA256

    2661c05273f33efa4b7faa6ed8a6f7e69a13ad86077f69ee285ece9cba57e44c

    SHA512

    4abe37613145fabeb44ea4c28ecc827c8a0eb2b003e86ae7aef9be5687711fa7a294f17567ea0a70a6f14ab3cbe7886c83763a7c49278097fd53f0d11fd8154e

  • C:\Users\Admin\AppData\Local\Temp\Flu Burung.txt

    Filesize

    2KB

    MD5

    1a1dce35d60d2c70ca8894954fd5d384

    SHA1

    58547dd65d506c892290755010d0232da34ee000

    SHA256

    2661c05273f33efa4b7faa6ed8a6f7e69a13ad86077f69ee285ece9cba57e44c

    SHA512

    4abe37613145fabeb44ea4c28ecc827c8a0eb2b003e86ae7aef9be5687711fa7a294f17567ea0a70a6f14ab3cbe7886c83763a7c49278097fd53f0d11fd8154e

  • C:\Windows\Fonts\ Explorer.exe

    Filesize

    42KB

    MD5

    5cec1e5bf1cbccc6e443ecc9aa7ac984

    SHA1

    64a0ac3cd8d78578d74d67c09d96e34b1e052619

    SHA256

    a8cfd8f60b1025f4bdb53df5aa316a295608a12599b71d4537051121a2569fa1

    SHA512

    f252b889905aeaaa2da043eda10554912b25df3ca1d44fe104d7ff390ae342a875c1c6cc15a1c43dd4fbb88f70f38a2d042226e4a106306658484e1788badfda

  • C:\Windows\Fonts\ Explorer.exe

    Filesize

    42KB

    MD5

    79dec76c914d0d32999d8ff5f92ed12e

    SHA1

    60eb964b87b91eacb7989912370c41b11a0a4fec

    SHA256

    f2d1723698ae9ac67b9a874cef72c73809376583e2cbb1036f07e42bd4a7d888

    SHA512

    a403d79ff71f06946bba7b60f6d22be8d8200854778714198f8d5e0c9bd2af5894332f056e3863c6bd109d78966839755fae0dbe5cd488bfe37a01fc735abcf5

  • C:\Windows\Fonts\ Explorer.exe

    Filesize

    42KB

    MD5

    debaffeb2a78b752b8e1ea6e5005cee5

    SHA1

    6ef96cc76bf635321a1041bd00de3fc2ce94b734

    SHA256

    4f53cc5d9b338bbd4e9d741c7e765e61925a95bc28a78d1beafd72a68c5aa457

    SHA512

    f452a193f73f912db135210fe096416b7407ac0604b3ba02c440e4a1bd6621fee056567b0dcb01da8904f56d7bde74c6cb0b1b6dcd737e59a827b2313877d195

  • C:\recycled\CTFMON.EXE

    Filesize

    42KB

    MD5

    5962e262161173918965a4d0db5c65ac

    SHA1

    3613de872d6085d1f86aeb7b958b31b4bb859c8f

    SHA256

    8d0bd2648ee42f19f518585735e62985f8a6f7265e3d86ca40185fde6c5c30ee

    SHA512

    92217673a3090d9311ab647b6663b64008f39277d4528eb7e76385821e6e6483952c81a28fa8baf47f12bba7fb3571cf3502e9e144260c42ab2e5e858e8bc628

  • C:\recycled\SPOOLSV.EXE

    Filesize

    42KB

    MD5

    0c717c76cd2b88f2647d0553e1417ad9

    SHA1

    b0803966169600f8c5d1314e833e7904fa0091c4

    SHA256

    5d9b701f03ecd155ead220a6879e5b564b10b33844d332e92c59cad1950466f0

    SHA512

    4dec5a0f53be75d9f0a16471840c075560ea1161c3938b86d42a0403d55390cda2eff11a9dde490bce78e9bafa7eb8c05a927d2940ef660bb01256e975efb77c

  • C:\recycled\SVCHOST.EXE

    Filesize

    42KB

    MD5

    30329e71cb77b653fb97f2c49cf066bf

    SHA1

    36e71441147ecd3e520b6a7fe5da3ff66dde428e

    SHA256

    9f6fb13e5ced63b7b3be2d718153c66ae18d3b7c5844dde6201f110e37c36d78

    SHA512

    1caf3cc2c0e6da029430bed24848faafacfdef4fcda95cb105c22ad23402f8302a52911020cf64744e28e8d16e722a354761753cd60ae1849b5f8f172125cef0

  • memory/204-182-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/936-204-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1444-193-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1928-168-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2840-164-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2864-210-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2864-135-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2896-184-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2896-219-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3080-199-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3692-189-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3692-187-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/4212-220-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/4212-186-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/4216-150-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/4216-152-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/4448-214-0x00007FFCCDEB0000-0x00007FFCCDEC0000-memory.dmp

    Filesize

    64KB

  • memory/4448-211-0x00007FFCCDEB0000-0x00007FFCCDEC0000-memory.dmp

    Filesize

    64KB

  • memory/4448-212-0x00007FFCCDEB0000-0x00007FFCCDEC0000-memory.dmp

    Filesize

    64KB

  • memory/4448-213-0x00007FFCCDEB0000-0x00007FFCCDEC0000-memory.dmp

    Filesize

    64KB

  • memory/4448-215-0x00007FFCCDEB0000-0x00007FFCCDEC0000-memory.dmp

    Filesize

    64KB

  • memory/4448-216-0x00007FFCCB810000-0x00007FFCCB820000-memory.dmp

    Filesize

    64KB

  • memory/4448-217-0x00007FFCCB810000-0x00007FFCCB820000-memory.dmp

    Filesize

    64KB

  • memory/4512-218-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/4512-149-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/4892-208-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB