Analysis

  • max time kernel
    52s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 04:13

General

  • Target

    7af416d0c0ab3f70c6eaa5e8005f35baca14f78676b14bd99eb36083f3c26926.exe

  • Size

    562KB

  • MD5

    07231c13bfbb4c4030252972dbb64190

  • SHA1

    0130f441b0ec30f03e870b2cfb562838fc0fd607

  • SHA256

    7af416d0c0ab3f70c6eaa5e8005f35baca14f78676b14bd99eb36083f3c26926

  • SHA512

    d8de69089f44c3c0b605ec1c9c4a51cb6d1c60edbc06e7bc5b9841286534f72e5b5c240cff9b52823ff53bdeec4bdd8cde47dd90f8e009d9d35f2d49c042bf14

  • SSDEEP

    12288:oPwMDD1dxDx5SCbpK2h6Ieu96aUT7dxIfLbdi8R+3z2f:kt9jF5JU2h6IlLUTUvdRRaz2f

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7af416d0c0ab3f70c6eaa5e8005f35baca14f78676b14bd99eb36083f3c26926.exe
    "C:\Users\Admin\AppData\Local\Temp\7af416d0c0ab3f70c6eaa5e8005f35baca14f78676b14bd99eb36083f3c26926.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\DM_A9CwkKpwTb\DownloadManager.exe
      DownloadManager.exe "C:\Users\Admin\AppData\Local\Temp\7af416d0c0ab3f70c6eaa5e8005f35baca14f78676b14bd99eb36083f3c26926.exe"
      2⤵
      • Executes dropped EXE
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:896

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\DM_A9CwkKpwTb\ApplicationDebug.log

    Filesize

    228B

    MD5

    9e3cfcdd4fd754e893f2d79629cc8377

    SHA1

    3a93fc958d20ed83c80e6f0801627958f3aac746

    SHA256

    70a4351b30f7c4dbfe017dded1645fc22d3d030713f0edc9401a8d1dd8a0c788

    SHA512

    355428b837405350009c2292067e5246d8c07bd19312284db27ed13b8ee23af8d386389d778680b40f875350825d16e5add49dd157ec196aad40591b1d486965

  • C:\Users\Admin\AppData\Local\Temp\DM_A9CwkKpwTb\DownloadManager.exe

    Filesize

    864KB

    MD5

    54fff123842d60d5e57d04c4cf7fbf93

    SHA1

    8b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb

    SHA256

    e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44

    SHA512

    b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1

  • C:\Users\Admin\AppData\Local\Temp\DM_A9CwkKpwTb\DownloadManager.exe

    Filesize

    864KB

    MD5

    54fff123842d60d5e57d04c4cf7fbf93

    SHA1

    8b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb

    SHA256

    e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44

    SHA512

    b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1

  • \Users\Admin\AppData\Local\Temp\DM_A9CwkKpwTb\DownloadManager.exe

    Filesize

    864KB

    MD5

    54fff123842d60d5e57d04c4cf7fbf93

    SHA1

    8b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb

    SHA256

    e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44

    SHA512

    b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1

  • \Users\Admin\AppData\Local\Temp\DM_A9CwkKpwTb\DownloadManager.exe

    Filesize

    864KB

    MD5

    54fff123842d60d5e57d04c4cf7fbf93

    SHA1

    8b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb

    SHA256

    e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44

    SHA512

    b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1

  • \Users\Admin\AppData\Local\Temp\nsd6EAC.tmp\System.dll

    Filesize

    11KB

    MD5

    a436db0c473a087eb61ff5c53c34ba27

    SHA1

    65ea67e424e75f5065132b539c8b2eda88aa0506

    SHA256

    75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

    SHA512

    908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

  • \Users\Admin\AppData\Local\Temp\nsd6EAC.tmp\System.dll

    Filesize

    11KB

    MD5

    a436db0c473a087eb61ff5c53c34ba27

    SHA1

    65ea67e424e75f5065132b539c8b2eda88aa0506

    SHA256

    75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

    SHA512

    908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

  • \Users\Admin\AppData\Local\Temp\nsd6EAC.tmp\System.dll

    Filesize

    11KB

    MD5

    a436db0c473a087eb61ff5c53c34ba27

    SHA1

    65ea67e424e75f5065132b539c8b2eda88aa0506

    SHA256

    75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

    SHA512

    908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

  • \Users\Admin\AppData\Local\Temp\nsd6EAC.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    031ec9b12afb1fafc9fc397f3b90f29c

    SHA1

    de26ddfe3ef452f8205bfbd5520a8eff6328619f

    SHA256

    2dc320488b636b9dce9581a95e5a833a07500622c1a64fc05023ba6482d2a6e1

    SHA512

    cbebded4e3a87234899e2b67121f898c9060671d25088b7de29bbcbda90a5410dd3afd110417caa6c46ba656e1a863da39127e15c2122fedaa5054f4d43b90a6

  • \Users\Admin\AppData\Local\Temp\nsd6EAC.tmp\inetc.dll

    Filesize

    21KB

    MD5

    d7a3fa6a6c738b4a3c40d5602af20b08

    SHA1

    34fc75d97f640609cb6cadb001da2cb2c0b3538a

    SHA256

    67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

    SHA512

    75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

  • \Users\Admin\AppData\Local\Temp\nsd6EAC.tmp\pwgen.dll

    Filesize

    16KB

    MD5

    a555472395178ac8c733d90928e05017

    SHA1

    f44b192d66473f01a6540aaec4b6c9ac4c611d35

    SHA256

    82ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e

    SHA512

    e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a

  • memory/896-63-0x0000000000000000-mapping.dmp

  • memory/896-66-0x000007FEF2360000-0x000007FEF2D83000-memory.dmp

    Filesize

    10.1MB

  • memory/896-67-0x000007FEED540000-0x000007FEEE5D6000-memory.dmp

    Filesize

    16.6MB

  • memory/896-68-0x000007FEFB761000-0x000007FEFB763000-memory.dmp

    Filesize

    8KB

  • memory/896-69-0x0000000000BD7000-0x0000000000BF6000-memory.dmp

    Filesize

    124KB

  • memory/896-70-0x000007FEEB080000-0x000007FEEBF0F000-memory.dmp

    Filesize

    14.6MB

  • memory/896-71-0x0000000000BD7000-0x0000000000BF6000-memory.dmp

    Filesize

    124KB

  • memory/1976-54-0x00000000754E1000-0x00000000754E3000-memory.dmp

    Filesize

    8KB